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Helping Business Weather the Storm

National Weather Summary for Monday, May 22, 2017

by David Moran, on May 22, 2017 11:16:49 AM

A few thunderstorms may develop Monday across the Central Plains and Southern High Plains in association with an upper level low. Along the Gulf Coast, a stalled front will be the focus for the development of showers and thunderstorms.

  • Thunderstorm Potential Monday for the Central Plains and Southern High Plains
  • Strong to Severe Thunderstorms Possible for the Gulf Coast on Monday
  • Elevated Conditions Continue for Northern Gulf of Mexico Through Early Tuesday
  • Thunderstorms for Southern Texas Tuesday
  • Risk for Thunderstorms Tuesday across Southern States
  • Excessive Rainfall for Portions of the Southeast on Tuesday
  • Potential for Thunderstorms Wednesday across the Southeast and Florida

US Hazards for Monday, May 22, 2017US Hazards

Find out more about the Spring forecast!

Thunderstorm Potential Monday for the Central Plains and Southern High Plains
A developing area of low pressure and cold front extending across the Plains will lead to the development of strong to severe thunderstorms along the front as it moves to the Southeast throughout the day. Isolated to scattered thunderstorms are expected in the afternoon. Instability ahead of the front is forecast to be rather weak with large hail and damaging winds the primary hazards. Further south across Texas, storms will begin as isolated supercells with the potential for large hail, damaging winds, and tornadoes. Toward the evening, thunderstorms are expected to evolve into lines with large hail and damaging winds the primary hazards. 

Update 1:53pm CDT: Thunderstorms capable of large hail in eastern New Mexico.

Radar 1:53pm CDT 5/22/17Radar 1:53pm CDT

Major Cities in Region: Amarillo, TX, Goodland, KS, Dodge City, KS, Dallas, TX, Wichita, KS, Topeka, KS, Sioux Falls, SD, Omaha, NE, Des Moines, IA, Cedar Rapids, IA

Region 1 Monday, May 22, 2017Region 1

Strong to Severe Thunderstorms Possible for the Gulf Coast on Monday
A stalled front is forecast to extend across the Gulf Coast from Texas to Mississippi, acting as as focus for the development of strong to severe thunderstorms. Into the afternoon, weak instability is forecast over the region with onshore flow along the front leading to the development of thunderstorms. The main hazards will be large hail and damaging winds, but there will be a risk for tornadoes along the coast. 

Update 11:53am CDT: Tornado Warning near Galveston, TX until 12:30pm CDT.

Radar 11:53am CDT 5/22/17Radar 11:53am CDT

Update 2:38pm EDT: Severe thunderstorm capable of hail and damaging winds northwest of Columbia, SC.

Radar 2:38pm EDT 5/22/17Radar 2:38pm EDT

Major Cities in Region: Corpus Christi, TX, Houston, TX, New Orleans, LA, Montgomery, AL, Atlanta, GA, Columbia, SC, Charlotte, NC

Region 2 Monday, May 22, 2017Region 2

Elevated Conditions Continue for Northern Gulf of Mexico Through Early Tuesday
A disturbance moving eastward along the Texas coast resulted in the development of widespread showers and thunderstorms and enhanced winds and seas overnight. This thunderstorm activity is expected to continue to move slowly eastward through the morning. Winds will be southeasterly at 20-30 knots, becoming southerly at 15-25 knots with gusts in excess of 35 knots. Swells of 6-9 feet are also expected. Conditions will gradually decrease into the early afternoon. Further east, elevated conditions will continue through early Tuesday. Easterly winds of 10-15 knots will become southerly at 18-25 knots with gusts in excess of 30 knots. Swells will build to 5-7 feet. 

Region 3 Monday, May 22, 2017Region 3

Thunderstorms for Southern Texas Tuesday
A cold front will lie over the area and warm and moist unstable air will be to the south. Although a capping inversion will be present over the area, daytime heating and the front should provide the lift needed to break the inversion. Strong winds and large hail will be the primary hazards with any storms that develop.

Major Cities in Region: Laredo, TX, San Antonio, TX, Corpus Christi, TX, Brownsville, TX, Houston, TX

SPC Convective Outlook for Tuesday, May 23, 2017SPC Convective Outlook for Tuesday

Risk for Thunderstorms Tuesday across Southern States
Isolated strong to severe thunderstorms may develop Tuesday from southern Georgia into northern Florida along and ahead of a slow moving cold front. Copious low level moisture will provide more than enough instability. An upper level trough will provide the lift needed for the development of thunderstorms. The trough should begin to move over the region on Tuesday, with storms developing and moving in from the west by midday. Damaging winds will be the primary risk, but some small hail will also be possible. 

Major Cities in Region: Pensacola, FL, Tallahassee, FL, Tampa, FL, Jacksonville, FL, Savannah, GA

SPC Convective Outlook for Tuesday, May 23, 2017SPC Convective Outlook for Tuesday

Excessive Rainfall for Portions of the Southeast on Tuesday
The threat for excessive rainfall will shift eastward on Tuesday as an upper level disturbance tracks northeastward across the Southeast and into the Mid Atlantic. Showers and thunderstorms will likely persist through much of the day on Tuesday and possibly linger through the overnight hours. Rainfall amounts of 1-2 inches with locally higher amounts in excess of 3 inches are expected. This will pose a risk for localized flooding and runoff. 

The heaviest rainfall is expected along the coast from southeastern Louisiana eastward into Alabama, where 2-4 inches with locally higher amounts in excess of 5 inches are forecast. This could pose a risk for flash flooding. 

Major Cities in Region: New Orleans, LA, Mobile, AL, Tallahassee, FL, Atlanta, GA, Raleigh, NC, Norfolk, VA

Excessive Rainfall Risk Outline for Tuesday, May 23, 2017Excessive Rainfall Risk Outline for Tuesday

Potential for Thunderstorms Wednesday across the Southeast and Florida
An approaching trough and cold front will push across Florida by the middle of the week. Shower and thunderstorm activity will increase in coverage during the afternoon and evening hours. Storms could become severe with a threat for hail and damaging winds. 

Major Cities in Region: Pensacola, FL, Montgomery, AL, Tallahassee, FL, Tampa, FL, Orlando, FL, Jacksonville, FL, Savannah, GA, Wilmington, NC

SPC Convective Outlook for Wednesday, May 24, 2017SPC Convective Outlook for Wednesday

A Look Ahead
Heavy rain will continue across Florida on Thursday as a cold front pushes through the state. Otherwise, generally quiet conditions are expected through next weekend. 

This is just a brief look at current weather hazards. We can provide you site-specific weather forecast information for the purpose of protecting your personnel and assets and to assess your weather risk. Try a 7-day demo right away and learn how timely precision weather information can enhance your bottom line.

Topics:Nowcast/Forecast

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