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WW 0527 Status Updates
STATUS REPORT ON WW 527 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WNW RAP TO 10 W Y22. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1606. ..GRAMS..07/14/24 ATTN...WFO...UNR... STATUS REPORT FOR WS 527 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS SDC019-055-071-093-103-105-137-140540- SD . SOUTH DAKOTA COUNTIES INCLUDED ARE BUTTE HAAKON JACKSON MEADE PENNINGTON PERKINS ZIEBACH 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 0527 Status Updates
STATUS REPORT ON WW 527 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WNW RAP TO 10 W Y22. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1606. ..GRAMS..07/14/24 ATTN...WFO...UNR... STATUS REPORT FOR WS 527 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS SDC019-055-071-093-103-105-137-140540- SD . SOUTH DAKOTA COUNTIES INCLUDED ARE BUTTE HAAKON JACKSON MEADE PENNINGTON PERKINS ZIEBACH 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 527 SEVERE TSTM SD WY 140235Z - 140900Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 527 NWS Storm Prediction Center Norman OK 835 PM MDT Sat Jul 13 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western South Dakota Far Northeast Wyoming * Effective this Saturday night and Sunday morning from 835 PM until 300 AM MDT. * Primary threats include... Scattered damaging winds likely with isolated significant gusts to 75 mph possible Scattered large hail and isolated very large hail events to 2 inches in diameter possible SUMMARY...Intense thunderstorms will move quickly southeastward across western South Dakota this evening while posing a threat for severe/damaging winds generally up to 65-75 mph, and large hail around 1-2 inches in diameter. The severe thunderstorm watch area is approximately along and 60 statute miles east and west of a line from 20 miles north of Buffalo SD to 30 miles east southeast of Rapid City SD. 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 522...WW 523...WW 524...WW 525...WW 526... 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 32040. ...Gleason Read more

MD 1605 CONCERNING SEVERE THUNDERSTORM WATCH 526... FOR NORTHEAST IA...SOUTHWEST WI...NORTHWEST IL
Mesoscale Discussion 1605 NWS Storm Prediction Center Norman OK 1000 PM CDT Sat Jul 13 2024 Areas affected...northeast IA...southwest WI...northwest IL Concerning...Severe Thunderstorm Watch 526... Valid 140300Z - 140400Z The severe weather threat for Severe Thunderstorm Watch 526 continues. SUMMARY...Sporadic strong to localized severe gusts should remain possible through about Midnight-1 am CDT along the portion of the Mississippi River bordering Wisconsin, Iowa, and Illinois. An additional severe thunderstorm watch appears unlikely. DISCUSSION...While the leading MCS in WI clearly weakened, the trailing cluster appeared to have weakened for a time across northeast IA before a recent uptick in reflectivity and cloud top cooling over Clayton County, IA and Grant County, WI. The airmass immediately to the south and southwest of this small cluster remains amply unstable. But the bulk of the convection appears likely to mostly overrun the remnant outflow boundary that is stalling in the wake of the lead MCS. This merger process could yield another uptick in convective intensity before broader weakening trends amid increasing MLCIN occur overnight. ..Grams.. 07/14/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...LOT...MKX...DVN...ARX... LAT...LON 43249071 42888993 42528912 42098895 41808920 41799012 41889057 42139105 42429148 42829169 42979108 43249071 Read more

MD 1604 CONCERNING SEVERE THUNDERSTORM WATCH 525... FOR SOUTHEAST MONTANA INTO WESTERN SOUTH DAKOTA
Mesoscale Discussion 1604 NWS Storm Prediction Center Norman OK 0853 PM CDT Sat Jul 13 2024 Areas affected...Southeast Montana into western South Dakota Concerning...Severe Thunderstorm Watch 525... Valid 140153Z - 140400Z The severe weather threat for Severe Thunderstorm Watch 525 continues. SUMMARY...Downstream watch issuance into western South Dakota will likely be needed in near future as a cluster of severe thunderstorms continues to organize across southeast Montana. DISCUSSION...Regional radar imagery continues to show a pair of semi-discrete supercells migrating across southeastern MT. This cluster has recently produced wind damage in Miles City, MT, including a 72 mph measured wind gust. Velocity data from KGGW and KBLX continue to show well pronounced mid-level mesocyclones, but gradual upscale growth remains anticipated as these cells approach the western Dakotas. Storm track trends over the past 30 minutes show this cluster beginning to track more southeasterly as it encounters a buoyancy gradient draped from southeast MT into west-central SD. Continued propagation along this gradient appears likely with a gradual increase in severe wind potential still anticipated. Storm track timing estimates based on the recently observed motion, as well as HRRR timing forecasts, suggest this cluster should reach the SD border between 03-04 UTC, so downstream watch issuance into SD will likely be needed prior to that time. ..Moore.. 07/14/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...ABR...BIS...UNR...BYZ...GGW... LAT...LON 45610585 45860597 46090595 46350573 46460544 46540517 46560492 46540450 45600151 45310115 45020099 44690102 44370121 44050144 43770191 43610233 43550279 43590317 43710341 44110398 45610585 Read more

WW 0524 Status Updates
STATUS REPORT ON WW 524 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSW DTL TO 45 NNE BRD. ..GRAMS..07/14/24 ATTN...WFO...DLH...FGF... STATUS REPORT FOR WS 524 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MNC001-021-035-111-159-140440- MN . MINNESOTA COUNTIES INCLUDED ARE AITKIN CASS CROW WING OTTER TAIL WADENA 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 0524 Status Updates
STATUS REPORT ON WW 524 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSW DTL TO 45 NNE BRD. ..GRAMS..07/14/24 ATTN...WFO...DLH...FGF... STATUS REPORT FOR WS 524 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MNC001-021-035-111-159-140440- MN . MINNESOTA COUNTIES INCLUDED ARE AITKIN CASS CROW WING OTTER TAIL WADENA 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 0524 Status Updates
STATUS REPORT ON WW 524 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSW DTL TO 45 NNE BRD. ..GRAMS..07/14/24 ATTN...WFO...DLH...FGF... STATUS REPORT FOR WS 524 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MNC001-021-035-111-159-140440- MN . MINNESOTA COUNTIES INCLUDED ARE AITKIN CASS CROW WING OTTER TAIL WADENA 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 0524 Status Updates
STATUS REPORT ON WW 524 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSW DTL TO 45 NNE BRD. ..GRAMS..07/14/24 ATTN...WFO...DLH...FGF... STATUS REPORT FOR WS 524 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MNC001-021-035-111-159-140440- MN . MINNESOTA COUNTIES INCLUDED ARE AITKIN CASS CROW WING OTTER TAIL WADENA 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 0524 Status Updates
STATUS REPORT ON WW 524 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSW DTL TO 45 NNE BRD. ..GRAMS..07/14/24 ATTN...WFO...DLH...FGF... STATUS REPORT FOR WS 524 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MNC001-021-035-111-159-140440- MN . MINNESOTA COUNTIES INCLUDED ARE AITKIN CASS CROW WING OTTER TAIL WADENA 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 524 SEVERE TSTM MN ND 132240Z - 140500Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 524 NWS Storm Prediction Center Norman OK 540 PM CDT Sat Jul 13 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern Minnesota Southeast North Dakota * Effective this Saturday afternoon from 540 PM until Midnight CDT. * 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 A tornado or two possible SUMMARY...Thunderstorms will continue to develop this evening while posing a threat for both large hail mainly 1-1.75 inches in diameter and severe/damaging winds around 60-70 mph. A tornado or two may also occur. The severe thunderstorm watch area is approximately along and 75 statute miles east and west of a line from 80 miles north northeast of Bemidji MN to 35 miles south southeast of Detroit Lakes MN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). 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 522...WW 523... 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 500. Mean storm motion vector 29025. ...Gleason Read more

WW 0526 Status Updates
STATUS REPORT ON WW 526 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E ALO TO 20 SW LNR. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1605. ..GRAMS..07/14/24 ATTN...WFO...ARX...DMX...DVN... STATUS REPORT FOR WS 526 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC019-055-061-140440- IA . IOWA COUNTIES INCLUDED ARE BUCHANAN DELAWARE DUBUQUE WIC043-140440- WI . WISCONSIN COUNTIES INCLUDED ARE GRANT 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 0526 Status Updates
STATUS REPORT ON WW 526 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E ALO TO 20 SW LNR. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1605. ..GRAMS..07/14/24 ATTN...WFO...ARX...DMX...DVN... STATUS REPORT FOR WS 526 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC019-055-061-140440- IA . IOWA COUNTIES INCLUDED ARE BUCHANAN DELAWARE DUBUQUE WIC043-140440- WI . WISCONSIN COUNTIES INCLUDED ARE GRANT 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 0526 Status Updates
STATUS REPORT ON WW 526 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E ALO TO 20 SW LNR. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1605. ..GRAMS..07/14/24 ATTN...WFO...ARX...DMX...DVN... STATUS REPORT FOR WS 526 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC019-055-061-140440- IA . IOWA COUNTIES INCLUDED ARE BUCHANAN DELAWARE DUBUQUE WIC043-140440- WI . WISCONSIN COUNTIES INCLUDED ARE GRANT 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 0526 Status Updates
STATUS REPORT ON WW 526 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E ALO TO 20 SW LNR. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1605. ..GRAMS..07/14/24 ATTN...WFO...ARX...DMX...DVN... STATUS REPORT FOR WS 526 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC019-055-061-140440- IA . IOWA COUNTIES INCLUDED ARE BUCHANAN DELAWARE DUBUQUE WIC043-140440- WI . WISCONSIN COUNTIES INCLUDED ARE GRANT 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 0526 Status Updates
STATUS REPORT ON WW 526 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E ALO TO 20 SW LNR. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1605. ..GRAMS..07/14/24 ATTN...WFO...ARX...DMX...DVN... STATUS REPORT FOR WS 526 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC019-055-061-140440- IA . IOWA COUNTIES INCLUDED ARE BUCHANAN DELAWARE DUBUQUE WIC043-140440- WI . WISCONSIN COUNTIES INCLUDED ARE GRANT 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 526 SEVERE TSTM IA WI 140030Z - 140500Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 526 NWS Storm Prediction Center Norman OK 730 PM CDT Sat Jul 13 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northeast Iowa Far Southwest Wisconsin * Effective this Saturday night from 730 PM until Midnight CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...A small cluster of intense thunderstorms may continue to pose a threat for mainly severe/damaging winds up to 60-70 mph as it develops south-southeastward through the evening. The severe thunderstorm watch area is approximately along and 30 statute miles north and south of a line from 130 miles west northwest of Dubuque IA to 25 miles north northeast of Dubuque IA. 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. && OTHER WATCH INFORMATION...CONTINUE...WW 522...WW 523...WW 524...WW 525... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 33035. ...Gleason Read more

MD 1603 CONCERNING SEVERE THUNDERSTORM WATCH 524... FOR NORTHWEST TO EAST-CENTRAL MN
Mesoscale Discussion 1603 NWS Storm Prediction Center Norman OK 0847 PM CDT Sat Jul 13 2024 Areas affected...northwest to east-central MN Concerning...Severe Thunderstorm Watch 524... Valid 140147Z - 140315Z The severe weather threat for Severe Thunderstorm Watch 524 continues. SUMMARY...A small cluster with an embedded supercell may evolve into a small bow and move southeastward across parts of central Minnesota tonight. This may yield a confined swath of damaging winds and some hail, with an additional severe thunderstorm watch likely. DISCUSSION...A trio of updrafts persist over northwest MN in Clay and Becker counties, the more prominent of which has been a supercell on the western flank. This specific supercell along the composite front/outflow appears to be developing a substantial enough cold pool for potential acceleration and bowing evolution as it likely tracks along the pronounced MLCAPE gradient to its southeast. The 00Z MPX sounding in the midst of the gradient sampled ample buoyancy and favorable west-northwesterly mid to upper-level flow to support an organized strong to severe wind threat tonight. While low-level flow will remain modest, the degree of warm theta-e advection should be adequate to sustain a small MCS. Latest trends suggest this will likely impact areas along the I-94 corridor into the overnight. ..Grams/Gleason.. 07/14/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...DLH...MPX...FGF... LAT...LON 47219543 46679448 46089339 45549295 44959327 44799351 44799384 44869417 45609567 46139636 46599663 47219543 Read more

WW 0528 Status Updates
STATUS FOR WATCH 0528 HAS NOT BEEN ISSUED YET Read more

MD 1602 CONCERNING SEVERE THUNDERSTORM WATCH 522...525... FOR SOUTHEAST MONTANA
Mesoscale Discussion 1602 NWS Storm Prediction Center Norman OK 0757 PM CDT Sat Jul 13 2024 Areas affected...Southeast Montana Concerning...Severe Thunderstorm Watch 522...525... Valid 140057Z - 140300Z The severe weather threat for Severe Thunderstorm Watch 522, 525 continues. SUMMARY...The threat for severe hail and wind continues as a cluster of semi-discrete storms moves into southeast Montana. Gradual upscale growth is still expected later this evening as storms move towards the Dakotas. DISCUSSION...Despite numerous storm interactions, the predominant storm mode has remained supercellular across eastern MT. At least two supercells continue to exhibit robust mid-level mesocyclones based on KGGW velocity imagery, suggesting that these storms may persist for the next hour or two with an attendant large hail threat. Strong right-mover supercell motion continues to favor a mean south/southeasterly storm motion, but propagation along a diffuse buoyancy gradient may result in a more southeasterly motion with time. Gradual upscale growth is still anticipated later this evening as this cluster of semi-discrete storms migrates further into southeastern MT. Early hints of a somewhat more consolidated cold pool are noted in lowest-tilt velocity imagery between the cells, suggesting that eventual upscale growth remains probable - though the exact timing remains uncertain. Recent probabilistic hazard guidance suggests the wind threat should slowly increase as the cluster migrates closer to the ND/SD border. ..Moore.. 07/14/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...BIS...UNR...BYZ...GGW... LAT...LON 45280547 45470594 45700627 45910661 46130683 46340689 46520688 46730677 46960641 47180591 47360560 47430538 47420516 47250470 47120445 46800420 46420396 45940400 45420408 45110437 45040462 45050477 45160510 45280547 Read more