SPC MD 365

1 year 3 months ago
MD 0365 CONCERNING SEVERE POTENTIAL...WATCH POSSIBLE FOR FLORIDA PANHANDLE INTO FAR SOUTHERN GA
Mesoscale Discussion 0365 NWS Storm Prediction Center Norman OK 0416 AM CDT Wed Apr 03 2024 Areas affected...Florida Panhandle into far southern GA Concerning...Severe potential...Watch possible Valid 030916Z - 031045Z Probability of Watch Issuance...40 percent SUMMARY...Isolated strong to severe thunderstorms will move onshore across the Florida Panhandle and spread east through the morning. Some severe risk may accompany this activity and area is being monitored for possible watch issuance. DISCUSSION...Convection just offshore the Florida Panhandle has strengthened and become somewhat better organized over the past 1-2 hours. This activity will move inland and shift east/northeast through the early morning. The 06z TLH RAOB showed substantial capping around 700 mb. However, forecast soundings indicated an eroding cap as large-scale ascent overspreads the area. Strong vertical shear with enlarged and curved low-level hodographs remains apparent in regional VWP data. While instability will be greatest near the coast, sufficient instability extends northward into southern GA to maintain organized convection. Locally damaging gusts and a tornado or two may be possible across the MCD area and a watch may be considered within the hour. ..Leitman/Smith.. 04/03/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...JAX...TAE... LAT...LON 30298615 30868490 31048368 30908314 30388297 29958304 29198378 29248497 29398577 29488642 29678662 30298615 Read more

SPC Tornado Watch 84 Status Reports

1 year 3 months ago
WW 0084 Status Updates
STATUS REPORT ON WW 84 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE MAI TO 55 ENE ABY. ..LEITMAN..04/03/24 ATTN...WFO...TAE... STATUS REPORT FOR WT 84 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC007-017-155-201-205-277-287-321-031140- GA . GEORGIA COUNTIES INCLUDED ARE BAKER BEN HILL IRWIN MILLER MITCHELL TIFT TURNER WORTH 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

SPC Tornado Watch 84 Status Reports

1 year 3 months ago
WW 0084 Status Updates
STATUS REPORT ON WW 84 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE MAI TO 55 ENE ABY. ..LEITMAN..04/03/24 ATTN...WFO...TAE... STATUS REPORT FOR WT 84 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC007-017-155-201-205-277-287-321-031140- GA . GEORGIA COUNTIES INCLUDED ARE BAKER BEN HILL IRWIN MILLER MITCHELL TIFT TURNER WORTH 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

SPC Tornado Watch 84 Status Reports

1 year 3 months ago
WW 0084 Status Updates
STATUS REPORT ON WW 84 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE MAI TO 55 ENE ABY. ..LEITMAN..04/03/24 ATTN...WFO...TAE... STATUS REPORT FOR WT 84 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC007-017-155-201-205-277-287-321-031140- GA . GEORGIA COUNTIES INCLUDED ARE BAKER BEN HILL IRWIN MILLER MITCHELL TIFT TURNER WORTH 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

SPC Tornado Watch 84 Status Reports

1 year 3 months ago
WW 0084 Status Updates
STATUS REPORT ON WW 84 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE MAI TO 55 ENE ABY. ..LEITMAN..04/03/24 ATTN...WFO...TAE... STATUS REPORT FOR WT 84 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC007-017-155-201-205-277-287-321-031140- GA . GEORGIA COUNTIES INCLUDED ARE BAKER BEN HILL IRWIN MILLER MITCHELL TIFT TURNER WORTH 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

SPC Tornado Watch 84 Status Reports

1 year 3 months ago
WW 0084 Status Updates
STATUS REPORT ON WW 84 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE MAI TO 55 ENE ABY. ..LEITMAN..04/03/24 ATTN...WFO...TAE... STATUS REPORT FOR WT 84 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC007-017-155-201-205-277-287-321-031140- GA . GEORGIA COUNTIES INCLUDED ARE BAKER BEN HILL IRWIN MILLER MITCHELL TIFT TURNER WORTH 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

SPC Tornado Watch 84

1 year 3 months ago
WW 84 TORNADO AL GA 030635Z - 031200Z
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 84 NWS Storm Prediction Center Norman OK 235 AM EDT Wed Apr 3 2024 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Southeast Alabama Southwest Georgia * Effective this Wednesday morning from 235 AM until 800 AM EDT. * Primary threats include... A couple tornadoes possible Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...A linear cluster of thunderstorms will continue to move quickly east across the Watch area overnight. A few of the stronger thunderstorms could pose a risk for damaging gusts and perhaps a tornado or two. The tornado watch area is approximately along and 30 statute miles north and south of a line from 40 miles west of Dothan AL to 60 miles east of Albany GA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and 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. && OTHER WATCH INFORMATION...CONTINUE...WW 82...WW 83... AVIATION...Tornadoes and 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 25050. ...Smith Read more

SPC Tornado Watch 83 Status Reports

1 year 3 months ago
WW 0083 Status Updates
STATUS REPORT ON WW 83 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 ENE ABY TO 30 NNW VDI TO 40 S AGS TO 45 S AGS. ..LEITMAN..04/03/24 ATTN...WFO...FFC...CAE...GSP... STATUS REPORT FOR WT 83 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC091-107-175-209-271-279-283-309-031140- GA . GEORGIA COUNTIES INCLUDED ARE DODGE EMANUEL LAURENS MONTGOMERY TELFAIR TOOMBS TREUTLEN WHEELER 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

SPC Tornado Watch 83 Status Reports

1 year 3 months ago
WW 0083 Status Updates
STATUS REPORT ON WW 83 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 ENE ABY TO 30 NNW VDI TO 40 S AGS TO 45 S AGS. ..LEITMAN..04/03/24 ATTN...WFO...FFC...CAE...GSP... STATUS REPORT FOR WT 83 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC091-107-175-209-271-279-283-309-031140- GA . GEORGIA COUNTIES INCLUDED ARE DODGE EMANUEL LAURENS MONTGOMERY TELFAIR TOOMBS TREUTLEN WHEELER 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

SPC Tornado Watch 83 Status Reports

1 year 3 months ago
WW 0083 Status Updates
STATUS REPORT ON WW 83 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 ENE ABY TO 30 NNW VDI TO 40 S AGS TO 45 S AGS. ..LEITMAN..04/03/24 ATTN...WFO...FFC...CAE...GSP... STATUS REPORT FOR WT 83 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC091-107-175-209-271-279-283-309-031140- GA . GEORGIA COUNTIES INCLUDED ARE DODGE EMANUEL LAURENS MONTGOMERY TELFAIR TOOMBS TREUTLEN WHEELER 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

SPC Tornado Watch 83 Status Reports

1 year 3 months ago
WW 0083 Status Updates
STATUS REPORT ON WW 83 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 ENE ABY TO 30 NNW VDI TO 40 S AGS TO 45 S AGS. ..LEITMAN..04/03/24 ATTN...WFO...FFC...CAE...GSP... STATUS REPORT FOR WT 83 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC091-107-175-209-271-279-283-309-031140- GA . GEORGIA COUNTIES INCLUDED ARE DODGE EMANUEL LAURENS MONTGOMERY TELFAIR TOOMBS TREUTLEN WHEELER 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

SPC Tornado Watch 83 Status Reports

1 year 3 months ago
WW 0083 Status Updates
STATUS REPORT ON WW 83 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 ENE ABY TO 30 NNW VDI TO 40 S AGS TO 45 S AGS. ..LEITMAN..04/03/24 ATTN...WFO...FFC...CAE...GSP... STATUS REPORT FOR WT 83 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC091-107-175-209-271-279-283-309-031140- GA . GEORGIA COUNTIES INCLUDED ARE DODGE EMANUEL LAURENS MONTGOMERY TELFAIR TOOMBS TREUTLEN WHEELER 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

SPC Tornado Watch 83

1 year 3 months ago
WW 83 TORNADO GA SC 030500Z - 031200Z
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 83 NWS Storm Prediction Center Norman OK 100 AM EDT Wed Apr 3 2024 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Eastern and South-Central Georgia South Carolina * Effective this Wednesday morning from 100 AM until 800 AM EDT. * Primary threats include... A few tornadoes and a couple intense tornadoes possible Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Storms are expected to strengthen and move into the region overnight as an increasingly moist air mass spreads northeastward regionally. The tornado watch area is approximately along and 60 statute miles east and west of a line from 80 miles north of Augusta GA to 55 miles south of Macon GA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and 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. && OTHER WATCH INFORMATION...CONTINUE...WW 82... AVIATION...Tornadoes and 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 450. Mean storm motion vector 24040. ...Guyer Read more

SPC Tornado Watch 85 Status Reports

1 year 3 months ago
WW 0085 Status Updates
STATUS REPORT ON WW 61 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WNW BPT TO 50 SE LFK TO 45 WNW POE TO IER TO 15 W MLU TO 30 SSW LLQ TO 10 SSW LLQ. ..KERR..03/25/24 ATTN...WFO...JAN...LZK...SHV...LCH... STATUS REPORT FOR WT 61 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS ARC003-017-043-252140- AR . ARKANSAS COUNTIES INCLUDED ARE ASHLEY CHICOT DREW LAC003-011-019-021-025-035-041-043-049-053-059-065-067-069-073- 079-083-107-115-123-127-252140- LA . LOUISIANA PARISHES INCLUDED ARE ALLEN BEAUREGARD CALCASIEU CALDWELL CATAHOULA EAST CARROLL FRANKLIN GRANT JACKSON JEFFERSON DAVIS LA SALLE MADISON MOREHOUSE NATCHITOCHES OUACHITA RAPIDES RICHLAND TENSAS VERNON WEST CARROLL WINN TXC199-241-351-361-403-252140- Read more

SPC Tornado Watch 85 Status Reports

1 year 3 months ago
WW 0085 Status Updates
STATUS REPORT ON WW 61 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WNW BPT TO 50 SE LFK TO 45 WNW POE TO IER TO 15 W MLU TO 30 SSW LLQ TO 10 SSW LLQ. ..KERR..03/25/24 ATTN...WFO...JAN...LZK...SHV...LCH... STATUS REPORT FOR WT 61 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS ARC003-017-043-252140- AR . ARKANSAS COUNTIES INCLUDED ARE ASHLEY CHICOT DREW LAC003-011-019-021-025-035-041-043-049-053-059-065-067-069-073- 079-083-107-115-123-127-252140- LA . LOUISIANA PARISHES INCLUDED ARE ALLEN BEAUREGARD CALCASIEU CALDWELL CATAHOULA EAST CARROLL FRANKLIN GRANT JACKSON JEFFERSON DAVIS LA SALLE MADISON MOREHOUSE NATCHITOCHES OUACHITA RAPIDES RICHLAND TENSAS VERNON WEST CARROLL WINN TXC199-241-351-361-403-252140- Read more

SPC Tornado Watch 84 Status Reports

1 year 3 months ago
WW 0084 Status Updates
STATUS REPORT ON WW 84 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W MAI TO 15 E DHN TO 10 NW ABY TO 40 NNE ABY. ..LEITMAN..04/03/24 ATTN...WFO...TAE... STATUS REPORT FOR WT 84 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS ALC069-031040- AL . ALABAMA COUNTIES INCLUDED ARE HOUSTON GAC007-017-037-095-099-155-201-205-277-287-321-031040- GA . GEORGIA COUNTIES INCLUDED ARE BAKER BEN HILL CALHOUN DOUGHERTY EARLY IRWIN MILLER MITCHELL TIFT TURNER WORTH 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

SPC Tornado Watch 83 Status Reports

1 year 3 months ago
WW 0083 Status Updates
STATUS REPORT ON WW 83 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNE ABY TO 40 ESE MCN TO 30 SSW AGS TO 10 ENE AGS TO 20 NW CAE TO 40 SSE CLT. ..LEITMAN..04/03/24 ATTN...WFO...FFC...CAE...GSP... STATUS REPORT FOR WT 83 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS GAC033-081-091-107-175-209-235-271-279-283-309-315-031040- GA . GEORGIA COUNTIES INCLUDED ARE BURKE CRISP DODGE EMANUEL LAURENS MONTGOMERY PULASKI TELFAIR TOOMBS TREUTLEN WHEELER WILCOX SCC003-011-039-063-079-031040- SC . SOUTH CAROLINA COUNTIES INCLUDED ARE AIKEN BARNWELL FAIRFIELD LEXINGTON RICHLAND 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

SPC MD 364

1 year 3 months ago
MD 0364 CONCERNING TORNADO WATCH 83...84... FOR PORTIONS OF CENTRAL/EASTERN GEORGIA INTO SOUTH CAROLINA
Mesoscale Discussion 0364 NWS Storm Prediction Center Norman OK 0253 AM CDT Wed Apr 03 2024 Areas affected...portions of central/eastern Georgia into South Carolina Concerning...Tornado Watch 83...84... Valid 030753Z - 030930Z The severe weather threat for Tornado Watch 83, 84 continues. SUMMARY...Strong to severe thunderstorms with an attendant risk for damaging gusts and a couple tornadoes will continue to shift east across parts of Georgia and South Carolina through early morning. Trends being monitored for possible watch issuance downstream from Tornado Watch 83. DISCUSSION...Stronger surface pressure falls have been noted over GA the past couple of hours. This has allowed for some minor backing of low-level flow ahead of bowing segments from central to eastern GA and several areas of low-level rotation have been noted over the past hour. Area VWPs continue to show impressive low-level and deep shear supporting supercells. Instability remains modest, but sufficient for a continued severe thunderstorm/tornado risk the next few hours. Downstream from Tornado Watch 83 and 84 across portions of southeast GA into the SC Midlands into the Low Country, vertical shear will improve with time. However, it is unclear how much further destabilization will occur with eastward extent. Organized convection will likely persist toward the coast into the morning hours, but low-level inhibition and poor lapse rates my limit a more robust severe risk. Trends will be monitored for possible downstream watch issuance in the next couple of hours. ..Leitman.. 04/03/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...ILM...CHS...CAE...GSP...JAX...FFC...TAE... LAT...LON 33878318 34508196 34778102 34698042 34377998 33678010 32968063 31588202 31438295 31378419 31588484 31768473 32788406 33878318 Read more

SPC Apr 3, 2024 Day 4-8 Severe Weather Outlook

1 year 3 months ago
Day 4-8 Outlook
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0347 AM CDT Wed Apr 03 2024 Valid 061200Z - 111200Z ...DISCUSSION... ...Saturday/Day 4 and Sunday/Day 5... The medium-range models continue to move an upper-level trough into the Great Plains on Saturday/Day 4. Moisture advection will take place ahead of the trough, with an axis of low-level moisture setting up from north Texas to southern Nebraska. Thunderstorm development is expected along this corridor from late Saturday afternoon into the evening. Although instability is forecast to remain weak, strong deep-layer shear and steep lapse rates should support a severe threat. On Sunday/Day 5, the trough is forecast to move to the mid Mississippi Valley, with a cold front advancing southeastward through the Ark-La-Tex. Thunderstorm development will be most likely Sunday afternoon near and ahead of the front across parts of the lower to mid Mississippi Valley. A severe threat could develop, but uncertainty is still considerable concerning the timing and position of the front. ...Monday/Day 6 to Wednesday/Day 8... The medium range models move an upper-level low into the Desert Southwest on Monday/Day 6. A moist airmass is forecast to be in place from the southern Plains into the Ark-La-Tex. Scattered thunderstorms, associated with a severe threat, could develop along the north edge of the warm sector Monday evening, in part of the Red River Valley. On Tuesday/Day 7, the models suggest that the moist airmass will advect northward into the Ozarks. Strong to severe thundertorms could again develop across the warm sector, as the upper-level trough comes out into the Great Plains. The most likely area for a severe threat remains uncertain. On Wednesday/Day 8, the upper-level trough is forecast to move through the central U.S., with a moist airmass in place across the Southeast. Strong to potentially severe storms may occur across parts of the moist airmass from the Southeast northward into the Tennessee. However, considerable uncertainty exists at this range. Read more

SPC Apr 3, 2024 Day 4-8 Severe Weather Outlook

1 year 3 months ago
Day 4-8 Outlook
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0347 AM CDT Wed Apr 03 2024 Valid 061200Z - 111200Z ...DISCUSSION... ...Saturday/Day 4 and Sunday/Day 5... The medium-range models continue to move an upper-level trough into the Great Plains on Saturday/Day 4. Moisture advection will take place ahead of the trough, with an axis of low-level moisture setting up from north Texas to southern Nebraska. Thunderstorm development is expected along this corridor from late Saturday afternoon into the evening. Although instability is forecast to remain weak, strong deep-layer shear and steep lapse rates should support a severe threat. On Sunday/Day 5, the trough is forecast to move to the mid Mississippi Valley, with a cold front advancing southeastward through the Ark-La-Tex. Thunderstorm development will be most likely Sunday afternoon near and ahead of the front across parts of the lower to mid Mississippi Valley. A severe threat could develop, but uncertainty is still considerable concerning the timing and position of the front. ...Monday/Day 6 to Wednesday/Day 8... The medium range models move an upper-level low into the Desert Southwest on Monday/Day 6. A moist airmass is forecast to be in place from the southern Plains into the Ark-La-Tex. Scattered thunderstorms, associated with a severe threat, could develop along the north edge of the warm sector Monday evening, in part of the Red River Valley. On Tuesday/Day 7, the models suggest that the moist airmass will advect northward into the Ozarks. Strong to severe thundertorms could again develop across the warm sector, as the upper-level trough comes out into the Great Plains. The most likely area for a severe threat remains uncertain. On Wednesday/Day 8, the upper-level trough is forecast to move through the central U.S., with a moist airmass in place across the Southeast. Strong to potentially severe storms may occur across parts of the moist airmass from the Southeast northward into the Tennessee. However, considerable uncertainty exists at this range. Read more
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