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WW 0646 Status Updates
STATUS REPORT ON WW 646 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 S 4BL TO 55 NNE GJT TO 15 SSW CAG. ..SPC..08/26/24 ATTN...WFO...GJT...SLC...CYS...RIW... STATUS REPORT FOR WS 646 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS COC029-033-045-077-083-085-103-107-113-260240- CO . COLORADO COUNTIES INCLUDED ARE DELTA DOLORES GARFIELD MESA MONTEZUMA MONTROSE RIO BLANCO ROUTT SAN MIGUEL THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. Read more

WW 646 SEVERE TSTM CO UT WY 251920Z - 260200Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 646 NWS Storm Prediction Center Norman OK 120 PM MDT Sun Aug 25 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western Colorado Eastern Utah Southern Wyoming * Effective this Sunday afternoon and evening from 120 PM until 800 PM MDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible SUMMARY...Scattered storms, including some supercells, will continue to develop and increase across the region, with large hail and severe-caliber wind gusts possible through early/mid-evening. The severe thunderstorm watch area is approximately along and 80 statute miles east and west of a line from 50 miles north northeast of Rock Springs WY to 45 miles south southwest of Blanding UT. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 23030. ...Guyer Read more

MD 1991 CONCERNING SEVERE THUNDERSTORM WATCH 647... FOR EASTERN SD INTO EXTREME NORTH-CENTRAL NE
Mesoscale Discussion 1991 NWS Storm Prediction Center Norman OK 0750 PM CDT Sun Aug 25 2024 Areas affected...Eastern SD into extreme north-central NE Concerning...Severe Thunderstorm Watch 647... Valid 260050Z - 260215Z The severe weather threat for Severe Thunderstorm Watch 647 continues. SUMMARY...The severe threat continues in and near WW 647. DISCUSSION...Multiple storm mergers have resulted in the development of a supercell cluster across Gregory and Charles Mix Counties in SD, with hail up to baseball size reported within the last hour. Strong to extreme instability (MLCAPE of 3000-4500 J/kg) and sufficient deep-layer shear (as noted on the 00Z ABR sounding) will continue to support this cluster in the short-term, with a threat of large hail, severe gusts in the 60-80 mph range, and possibly a tornado given the presence of modestly enhanced low-level SRH. Longevity of this cluster later this evening remains somewhat uncertain due to increasing MLCINH, but some severe threat could eventually approach the southeast edge of WW 647. Other cells have recently developed near the Beadle/Spink county border, near the edge of WW 647. These cells could also evolve into a supercell or two and pose a threat of hail and localized severe gusts this evening, though they may also struggle with increasing MLCINH. Local watch expansion may be needed, depending on observational trends regarding these cells. ..Dean.. 08/26/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...FSD...ABR...LBF... LAT...LON 43169936 44579921 45339803 45429721 44659724 43189803 42699857 42599914 42679927 43169936 Read more

SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 PM CDT Sun Aug 25 2024 Valid 260100Z - 261200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE EASTERN DAKOTAS INTO WESTERN MINNESOTA... ...SUMMARY... Severe wind gusts and hail remain possible into tonight over parts of the eastern Dakotas and western Minnesota. Meanwhile, an isolated instance of severe wind or hail cannot be ruled out over parts of the central Rockies into the High Plains. ...01Z Update... A mid-level trough will continue to progress across the Interior West while upper ridging persists over the Central U.S., and a mid-level trough drifts offshore over the Atlantic Seaboard. Strong to occasionally severe thunderstorms remain most likely over eastern SD/ND into western MN in advance of a surface lee trough. Here, 30+ kts of effective bulk shear and 7-8 C/km mid-level lapse rates continue to overspread mid 70s F surface dewpoints, contributing to modest deep-layer shear overlapping with 4000+ J/kg MLCAPE. While increasing MLCINH should gradually influence storm coverage and intensity, at least a few more hours of severe hail and wind potential remains with any discrete supercells or multicells that are either ongoing or can develop. Meanwhile, a couple of severe gusts cannot be ruled out over the Central Rockies into the High Plains, where strong flow aloft continues to overspread a well-mixed boundary layer in spots. ..Squitieri.. 08/26/2024 Read more

SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 PM CDT Sun Aug 25 2024 Valid 260100Z - 261200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE EASTERN DAKOTAS INTO WESTERN MINNESOTA... ...SUMMARY... Severe wind gusts and hail remain possible into tonight over parts of the eastern Dakotas and western Minnesota. Meanwhile, an isolated instance of severe wind or hail cannot be ruled out over parts of the central Rockies into the High Plains. ...01Z Update... A mid-level trough will continue to progress across the Interior West while upper ridging persists over the Central U.S., and a mid-level trough drifts offshore over the Atlantic Seaboard. Strong to occasionally severe thunderstorms remain most likely over eastern SD/ND into western MN in advance of a surface lee trough. Here, 30+ kts of effective bulk shear and 7-8 C/km mid-level lapse rates continue to overspread mid 70s F surface dewpoints, contributing to modest deep-layer shear overlapping with 4000+ J/kg MLCAPE. While increasing MLCINH should gradually influence storm coverage and intensity, at least a few more hours of severe hail and wind potential remains with any discrete supercells or multicells that are either ongoing or can develop. Meanwhile, a couple of severe gusts cannot be ruled out over the Central Rockies into the High Plains, where strong flow aloft continues to overspread a well-mixed boundary layer in spots. ..Squitieri.. 08/26/2024 Read more

SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 PM CDT Sun Aug 25 2024 Valid 260100Z - 261200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE EASTERN DAKOTAS INTO WESTERN MINNESOTA... ...SUMMARY... Severe wind gusts and hail remain possible into tonight over parts of the eastern Dakotas and western Minnesota. Meanwhile, an isolated instance of severe wind or hail cannot be ruled out over parts of the central Rockies into the High Plains. ...01Z Update... A mid-level trough will continue to progress across the Interior West while upper ridging persists over the Central U.S., and a mid-level trough drifts offshore over the Atlantic Seaboard. Strong to occasionally severe thunderstorms remain most likely over eastern SD/ND into western MN in advance of a surface lee trough. Here, 30+ kts of effective bulk shear and 7-8 C/km mid-level lapse rates continue to overspread mid 70s F surface dewpoints, contributing to modest deep-layer shear overlapping with 4000+ J/kg MLCAPE. While increasing MLCINH should gradually influence storm coverage and intensity, at least a few more hours of severe hail and wind potential remains with any discrete supercells or multicells that are either ongoing or can develop. Meanwhile, a couple of severe gusts cannot be ruled out over the Central Rockies into the High Plains, where strong flow aloft continues to overspread a well-mixed boundary layer in spots. ..Squitieri.. 08/26/2024 Read more

SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 PM CDT Sun Aug 25 2024 Valid 260100Z - 261200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE EASTERN DAKOTAS INTO WESTERN MINNESOTA... ...SUMMARY... Severe wind gusts and hail remain possible into tonight over parts of the eastern Dakotas and western Minnesota. Meanwhile, an isolated instance of severe wind or hail cannot be ruled out over parts of the central Rockies into the High Plains. ...01Z Update... A mid-level trough will continue to progress across the Interior West while upper ridging persists over the Central U.S., and a mid-level trough drifts offshore over the Atlantic Seaboard. Strong to occasionally severe thunderstorms remain most likely over eastern SD/ND into western MN in advance of a surface lee trough. Here, 30+ kts of effective bulk shear and 7-8 C/km mid-level lapse rates continue to overspread mid 70s F surface dewpoints, contributing to modest deep-layer shear overlapping with 4000+ J/kg MLCAPE. While increasing MLCINH should gradually influence storm coverage and intensity, at least a few more hours of severe hail and wind potential remains with any discrete supercells or multicells that are either ongoing or can develop. Meanwhile, a couple of severe gusts cannot be ruled out over the Central Rockies into the High Plains, where strong flow aloft continues to overspread a well-mixed boundary layer in spots. ..Squitieri.. 08/26/2024 Read more

SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 PM CDT Sun Aug 25 2024 Valid 260100Z - 261200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE EASTERN DAKOTAS INTO WESTERN MINNESOTA... ...SUMMARY... Severe wind gusts and hail remain possible into tonight over parts of the eastern Dakotas and western Minnesota. Meanwhile, an isolated instance of severe wind or hail cannot be ruled out over parts of the central Rockies into the High Plains. ...01Z Update... A mid-level trough will continue to progress across the Interior West while upper ridging persists over the Central U.S., and a mid-level trough drifts offshore over the Atlantic Seaboard. Strong to occasionally severe thunderstorms remain most likely over eastern SD/ND into western MN in advance of a surface lee trough. Here, 30+ kts of effective bulk shear and 7-8 C/km mid-level lapse rates continue to overspread mid 70s F surface dewpoints, contributing to modest deep-layer shear overlapping with 4000+ J/kg MLCAPE. While increasing MLCINH should gradually influence storm coverage and intensity, at least a few more hours of severe hail and wind potential remains with any discrete supercells or multicells that are either ongoing or can develop. Meanwhile, a couple of severe gusts cannot be ruled out over the Central Rockies into the High Plains, where strong flow aloft continues to overspread a well-mixed boundary layer in spots. ..Squitieri.. 08/26/2024 Read more

SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 PM CDT Sun Aug 25 2024 Valid 260100Z - 261200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE EASTERN DAKOTAS INTO WESTERN MINNESOTA... ...SUMMARY... Severe wind gusts and hail remain possible into tonight over parts of the eastern Dakotas and western Minnesota. Meanwhile, an isolated instance of severe wind or hail cannot be ruled out over parts of the central Rockies into the High Plains. ...01Z Update... A mid-level trough will continue to progress across the Interior West while upper ridging persists over the Central U.S., and a mid-level trough drifts offshore over the Atlantic Seaboard. Strong to occasionally severe thunderstorms remain most likely over eastern SD/ND into western MN in advance of a surface lee trough. Here, 30+ kts of effective bulk shear and 7-8 C/km mid-level lapse rates continue to overspread mid 70s F surface dewpoints, contributing to modest deep-layer shear overlapping with 4000+ J/kg MLCAPE. While increasing MLCINH should gradually influence storm coverage and intensity, at least a few more hours of severe hail and wind potential remains with any discrete supercells or multicells that are either ongoing or can develop. Meanwhile, a couple of severe gusts cannot be ruled out over the Central Rockies into the High Plains, where strong flow aloft continues to overspread a well-mixed boundary layer in spots. ..Squitieri.. 08/26/2024 Read more

SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 PM CDT Sun Aug 25 2024 Valid 260100Z - 261200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE EASTERN DAKOTAS INTO WESTERN MINNESOTA... ...SUMMARY... Severe wind gusts and hail remain possible into tonight over parts of the eastern Dakotas and western Minnesota. Meanwhile, an isolated instance of severe wind or hail cannot be ruled out over parts of the central Rockies into the High Plains. ...01Z Update... A mid-level trough will continue to progress across the Interior West while upper ridging persists over the Central U.S., and a mid-level trough drifts offshore over the Atlantic Seaboard. Strong to occasionally severe thunderstorms remain most likely over eastern SD/ND into western MN in advance of a surface lee trough. Here, 30+ kts of effective bulk shear and 7-8 C/km mid-level lapse rates continue to overspread mid 70s F surface dewpoints, contributing to modest deep-layer shear overlapping with 4000+ J/kg MLCAPE. While increasing MLCINH should gradually influence storm coverage and intensity, at least a few more hours of severe hail and wind potential remains with any discrete supercells or multicells that are either ongoing or can develop. Meanwhile, a couple of severe gusts cannot be ruled out over the Central Rockies into the High Plains, where strong flow aloft continues to overspread a well-mixed boundary layer in spots. ..Squitieri.. 08/26/2024 Read more

MD 1990 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR NORTHEAST WY INTO WESTERN SD AND EXTREME SOUTHEAST MT
Mesoscale Discussion 1990 NWS Storm Prediction Center Norman OK 0539 PM CDT Sun Aug 25 2024 Areas affected...Northeast WY into western SD and extreme southeast MT Concerning...Severe potential...Watch unlikely Valid 252239Z - 260045Z Probability of Watch Issuance...20 percent SUMMARY...Isolated strong to severe storms are possible into early evening. DISCUSSION...Some recent intensification has been noted as a cluster of high-based convection and related outflow have moved into a post-frontal regime across the Black Hills. Short-term evolution of this convection remains uncertain, with more favorable moisture/instability with eastward extent, but also substantial CINH. However, with relatively steep low/midlevel lapse rates and favorable deep-layer shear in place, some increase in storm coverage and organization is possible. Strong to locally severe storms capable of localized severe gusts and hail will be possible into early evening. Watch issuance is currently considered unlikely, but will be reevaluated if trends support a more-organized severe threat. ..Dean/Gleason.. 08/25/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...UNR...BYZ... LAT...LON 44680505 45630417 45500213 43750193 43140380 44250441 44680505 Read more

WW 0647 Status Updates
STATUS REPORT ON WW 647 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..DEAN..08/26/24 ATTN...WFO...LBF...FSD...ABR...UNR... STATUS REPORT FOR WS 647 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NEC015-017-089-103-149-260140- NE . NEBRASKA COUNTIES INCLUDED ARE BOYD BROWN HOLT KEYA PAHA ROCK SDC003-005-015-017-023-035-043-053-059-061-073-077-085-097-111- 123-260140- SD . SOUTH DAKOTA COUNTIES INCLUDED ARE AURORA BEADLE BRULE BUFFALO CHARLES MIX DAVISON DOUGLAS GREGORY HAND HANSON JERAULD KINGSBURY LYMAN MINER SANBORN TRIPP THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES Read more

WW 0647 Status Updates
STATUS REPORT ON WW 647 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..DEAN..08/26/24 ATTN...WFO...LBF...FSD...ABR...UNR... STATUS REPORT FOR WS 647 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NEC015-017-089-103-149-260140- NE . NEBRASKA COUNTIES INCLUDED ARE BOYD BROWN HOLT KEYA PAHA ROCK SDC003-005-015-017-023-035-043-053-059-061-073-077-085-097-111- 123-260140- SD . SOUTH DAKOTA COUNTIES INCLUDED ARE AURORA BEADLE BRULE BUFFALO CHARLES MIX DAVISON DOUGLAS GREGORY HAND HANSON JERAULD KINGSBURY LYMAN MINER SANBORN TRIPP THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES Read more

WW 0646 Status Updates
STATUS REPORT ON WW 646 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SW 4BL TO 30 W GJT TO 15 SSW CAG. ..SPC..08/25/24 ATTN...WFO...GJT...SLC...CYS...RIW... STATUS REPORT FOR WS 646 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS COC029-033-045-077-083-085-103-107-113-260040- CO . COLORADO COUNTIES INCLUDED ARE DELTA DOLORES GARFIELD MESA MONTEZUMA MONTROSE RIO BLANCO ROUTT SAN MIGUEL UTC019-037-260040- UT . UTAH COUNTIES INCLUDED ARE GRAND SAN JUAN WYC007-260040- WY . WYOMING COUNTIES INCLUDED ARE CARBON Read more

522
ABPZ20 KNHC 252330
TWOEP

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Sun Aug 25 2024

For the eastern North Pacific...east of 140 degrees west longitude:

Active Systems:
The National Hurricane Center is issuing advisories on Hurricane
Gilma, located about midway between the southern tip of the Baja
California peninsula and the Hawaiian Islands and on newly formed
Tropical Storm Hector, located well west-southwest of the southern
tip of the Baja California peninsula.

Tropical cyclone formation is not expected during the next 7 days.

&&
Public Advisories on Tropical Storm Hector are issued under WMO
header WTPZ33 KNHC and under AWIPS header MIATCPEP3.
Forecast/Advisories on Tropical Storm Hector are issued under WMO
header WTPZ23 KNHC and under AWIPS header MIATCMEP3.

$$
Forecaster Bucci

WW 0646 Status Updates
STATUS REPORT ON WW 646 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SW 4BL TO 30 W GJT TO 15 SSW CAG. ..SPC..08/25/24 ATTN...WFO...GJT...SLC...CYS...RIW... STATUS REPORT FOR WS 646 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS COC029-033-045-077-083-085-103-107-113-260040- CO . COLORADO COUNTIES INCLUDED ARE DELTA DOLORES GARFIELD MESA MONTEZUMA MONTROSE RIO BLANCO ROUTT SAN MIGUEL UTC019-037-260040- UT . UTAH COUNTIES INCLUDED ARE GRAND SAN JUAN WYC007-260040- WY . WYOMING COUNTIES INCLUDED ARE CARBON Read more

WW 646 SEVERE TSTM CO UT WY 251920Z - 260200Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 646 NWS Storm Prediction Center Norman OK 120 PM MDT Sun Aug 25 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western Colorado Eastern Utah Southern Wyoming * Effective this Sunday afternoon and evening from 120 PM until 800 PM MDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible SUMMARY...Scattered storms, including some supercells, will continue to develop and increase across the region, with large hail and severe-caliber wind gusts possible through early/mid-evening. The severe thunderstorm watch area is approximately along and 80 statute miles east and west of a line from 50 miles north northeast of Rock Springs WY to 45 miles south southwest of Blanding UT. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 23030. ...Guyer Read more

MD 1990 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR NORTHEAST WY INTO WESTERN SD AND EXTREME SOUTHEAST MT
Mesoscale Discussion 1990 NWS Storm Prediction Center Norman OK 0539 PM CDT Sun Aug 25 2024 Areas affected...Northeast WY into western SD and extreme southeast MT Concerning...Severe potential...Watch unlikely Valid 252239Z - 260045Z Probability of Watch Issuance...20 percent SUMMARY...Isolated strong to severe storms are possible into early evening. DISCUSSION...Some recent intensification has been noted as a cluster of high-based convection and related outflow have moved into a post-frontal regime across the Black Hills. Short-term evolution of this convection remains uncertain, with more favorable moisture/instability with eastward extent, but also substantial CINH. However, with relatively steep low/midlevel lapse rates and favorable deep-layer shear in place, some increase in storm coverage and organization is possible. Strong to locally severe storms capable of localized severe gusts and hail will be possible into early evening. Watch issuance is currently considered unlikely, but will be reevaluated if trends support a more-organized severe threat. ..Dean/Gleason.. 08/25/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...UNR...BYZ... LAT...LON 44680505 45630417 45500213 43750193 43140380 44250441 44680505 Read more

WW 0647 Status Updates
STATUS REPORT ON WW 647 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..DEAN..08/25/24 ATTN...WFO...LBF...FSD...ABR...UNR... STATUS REPORT FOR WS 647 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NEC015-017-089-103-149-260040- NE . NEBRASKA COUNTIES INCLUDED ARE BOYD BROWN HOLT KEYA PAHA ROCK SDC003-005-015-017-023-035-043-053-059-061-073-077-085-097-111- 123-260040- SD . SOUTH DAKOTA COUNTIES INCLUDED ARE AURORA BEADLE BRULE BUFFALO CHARLES MIX DAVISON DOUGLAS GREGORY HAND HANSON JERAULD KINGSBURY LYMAN MINER SANBORN TRIPP THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES Read more

WW 647 SEVERE TSTM NE SD 252215Z - 260500Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 647 NWS Storm Prediction Center Norman OK 515 PM CDT Sun Aug 25 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of North-central Nebraska Southeast and East-central South Dakota * Effective this Sunday afternoon from 515 PM until Midnight CDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 75 mph possible Scattered large hail and isolated very large hail events to 2 inches in diameter possible SUMMARY...Thunderstorms should intensify this evening while posing a threat for large hail around 1-2 inches in diameter, along with severe/damaging winds up to 65-75 mph. This threat should continue through much of the evening as this activity spreads east-northeastward. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 15 miles north northeast of Huron SD to 30 miles east southeast of Ainsworth NE. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU7). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 646... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 26025. ...Gleason Read more