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Severe Weather Watches Overview

Watch data currently updates every 15 minutes.

Severe Thunderstorm Watch #0259 for Western and Central New York, Northwest Pennsylvania, Lake Erie
  • Scattered damaging wind gusts to 70 mph possible
  • Isolated large hail events to 1.5 inches in diameter possible
Severe Thunderstorm Watch #0258 for Southwest Arkansas, Southeast Oklahoma, Central and Northeast Texas
  • Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible
  • Scattered damaging wind gusts to 70 mph possible
  • A tornado or two possible
Severe Thunderstorm Watch #0257 for Central and Northern Arkansas, Western Kentucky, Missouri Bootheel, Northwest Mississippi, West Tennessee
  • Scattered large hail likely with isolated very large hail events to 2 inches in diameter possible
  • Scattered damaging wind gusts to 70 mph likely
  • A tornado or two possible
Severe Thunderstorm Watch #0256 for Northern and Western Maine, Northern New Hampshire, Northeast New York, Northern and Central Vermont
  • Scattered large hail likely with isolated very large hail events to 2 inches in diameter possible
  • Scattered damaging wind gusts to 70 mph likely
  • A tornado or two possible
Severe Thunderstorm Watch #0255 for Northeast Kentucky, Central and Eastern Ohio, Western Pennsylvania, Northern Panhandle of West Virginia, Lake Erie
  • Scattered damaging wind gusts to 70 mph likely
  • Isolated large hail events to 1.5 inches in diameter possible
  • A tornado or two possible
EXPIRED Severe Thunderstorm Watch #0254 for Southeast Illinois, Central and Southern Indiana, Northern and Central Kentucky, Western Ohio
  • Scattered damaging wind gusts to 70 mph likely
  • Scattered large hail events to 1.5 inches in diameter possible
  • A tornado or two possible

↑ back to the list of watches ↑

Severe Thunderstorm Watch #0259

Locations Affected

  • Western and Central New York
  • Northwest Pennsylvania
  • Lake Erie
  • Severe Thunderstorm Watch Summary

    Storms will continue to develop east-northeastward into and across western/central New York and northwest Pennsylvania this evening, with damaging winds and some hail as the primary hazards. Multiple rounds of storms could affect the region through late evening and early in the overnight.

    Severe Weather Threats

  • Scattered damaging wind gusts to 70 mph possible
  • Isolated large hail events to 1.5 inches in diameter possible
  • Severe Thunderstorm Watch Details

    SEL9
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Severe Thunderstorm Watch Number 259
    NWS Storm Prediction Center Norman OK
    620 PM EDT Sat May 21 2022
    
    The NWS Storm Prediction Center has issued a
    
    * Severe Thunderstorm Watch for portions of 
      Western and Central New York
      Northwest Pennsylvania
      Lake Erie
    
    * Effective this Saturday night and Sunday morning from 620 PM
      until 100 AM EDT.
    
    * Primary threats include...
      Scattered damaging wind gusts to 70 mph possible
      Isolated large hail events to 1.5 inches in diameter possible
    
    SUMMARY...Storms will continue to develop east-northeastward into
    and across western/central New York and northwest Pennsylvania this
    evening, with damaging winds and some hail as the primary hazards.
    Multiple rounds of storms could affect the region through late
    evening and early in the overnight.
    
    The severe thunderstorm watch area is approximately along and 40
    statute miles north and south of a line from 10 miles west southwest
    of Jamestown NY to 35 miles north northeast of Elmira NY. For a
    complete depiction of the watch see the associated watch outline
    update (WOUS64 KWNS WOU9).
    
    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 254...WW 255...WW
    256...WW 257...WW 258...
    
    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 550. Mean storm motion vector
    24030.
    
    ...Guyer

    ↑ back to the list of watches ↑

    Severe Thunderstorm Watch #0258

    Locations Affected

  • Southwest Arkansas
  • Southeast Oklahoma
  • Central and Northeast Texas
  • Severe Thunderstorm Watch Summary

    Thunderstorms are beginning to form along a cold front that stretches from southeast Oklahoma into central Texas. The strongest storms in this zone will pose a risk of large hail and damaging wind gusts through the evening.

    Severe Weather Threats

  • Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible
  • Scattered damaging wind gusts to 70 mph possible
  • A tornado or two possible
  • Severe Thunderstorm Watch Details

    SEL8
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Severe Thunderstorm Watch Number 258
    NWS Storm Prediction Center Norman OK
    330 PM CDT Sat May 21 2022
    
    The NWS Storm Prediction Center has issued a
    
    * Severe Thunderstorm Watch for portions of 
      Southwest Arkansas
      Southeast Oklahoma
      Central and Northeast Texas
    
    * Effective this Saturday afternoon and evening from 330 PM until
      1100 PM CDT.
    
    * Primary threats include...
      Scattered large hail and isolated very large hail events to 2.5
        inches in diameter possible
      Scattered damaging wind gusts to 70 mph possible
      A tornado or two possible
    
    SUMMARY...Thunderstorms are beginning to form along a cold front
    that stretches from southeast Oklahoma into central Texas.  The
    strongest storms in this zone will pose a risk of large hail and
    damaging wind gusts through the evening.
    
    The severe thunderstorm watch area is approximately along and 60
    statute miles east and west of a line from 40 miles south southeast
    of Junction TX to 35 miles northeast of De Queen AR. For a complete
    depiction of the watch see the associated watch outline update
    (WOUS64 KWNS WOU8).
    
    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 254...WW 255...WW
    256...WW 257...
    
    AVIATION...A few severe thunderstorms with hail surface and aloft to
    2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
    few cumulonimbi with maximum tops to 500. Mean storm motion vector
    24025.
    
    ...Hart

    ↑ back to the list of watches ↑

    Severe Thunderstorm Watch #0257

    Locations Affected

  • Central and Northern Arkansas
  • Western Kentucky
  • Missouri Bootheel
  • Northwest Mississippi
  • West Tennessee
  • Severe Thunderstorm Watch Summary

    Scattered thunderstorms will continue to develop and intensify across the watch area, in a very moist and unstable air mass. Locally damaging wind gusts and hail are the main threat. An isolated tornado or two may also occur.

    Severe Weather Threats

  • Scattered large hail likely with isolated very large hail events to 2 inches in diameter possible
  • Scattered damaging wind gusts to 70 mph likely
  • A tornado or two possible
  • Severe Thunderstorm Watch Details

    SEL7
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Severe Thunderstorm Watch Number 257
    NWS Storm Prediction Center Norman OK
    250 PM CDT Sat May 21 2022
    
    The NWS Storm Prediction Center has issued a
    
    * Severe Thunderstorm Watch for portions of 
      Central and Northern Arkansas
      Western Kentucky
      Missouri Bootheel
      Northwest Mississippi
      West Tennessee
    
    * Effective this Saturday afternoon and evening from 250 PM until
      1000 PM CDT.
    
    * Primary threats include...
      Scattered large hail likely with isolated very large hail events
        to 2 inches in diameter possible
      Scattered damaging wind gusts to 70 mph likely
      A tornado or two possible
    
    SUMMARY...Scattered thunderstorms will continue to develop and
    intensify across the watch area, in a very moist and unstable air
    mass.  Locally damaging wind gusts and hail are the main threat.  An
    isolated tornado or two may also occur.
    
    The severe thunderstorm watch area is approximately along and 50
    statute miles north and south of a line from 50 miles west northwest
    of Hot Springs AR to 25 miles east northeast of Clarksville TN. 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 254...WW 255...WW 256...
    
    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
    27030.
    
    ...Hart

    ↑ back to the list of watches ↑

    Severe Thunderstorm Watch #0256

    Locations Affected

  • Northern and Western Maine
  • Northern New Hampshire
  • Northeast New York
  • Northern and Central Vermont
  • Severe Thunderstorm Watch Summary

    Multiple rounds of severe thunderstorms are expected to affect the watch area this afternoon and evening as storms form over Canada and track into region. Damaging winds and large hail will be possible in the strongest cells. A tornado or two is also possible.

    Severe Weather Threats

  • Scattered large hail likely with isolated very large hail events to 2 inches in diameter possible
  • Scattered damaging wind gusts to 70 mph likely
  • A tornado or two possible
  • Severe Thunderstorm Watch Details

    SEL6
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Severe Thunderstorm Watch Number 256
    NWS Storm Prediction Center Norman OK
    320 PM EDT Sat May 21 2022
    
    The NWS Storm Prediction Center has issued a
    
    * Severe Thunderstorm Watch for portions of 
      Northern and Western Maine
      Northern New Hampshire
      Northeast New York
      Northern and Central Vermont
    
    * Effective this Saturday afternoon and evening from 320 PM until
      1100 PM EDT.
    
    * Primary threats include...
      Scattered large hail likely with isolated very large hail events
        to 2 inches in diameter possible
      Scattered damaging wind gusts to 70 mph likely
      A tornado or two possible
    
    SUMMARY...Multiple rounds of severe thunderstorms are expected to
    affect the watch area this afternoon and evening as storms form over
    Canada and track into region.  Damaging winds and large hail will be
    possible in the strongest cells.  A tornado or two is also possible.
    
    The severe thunderstorm watch area is approximately along and 60
    statute miles north and south of a line from 45 miles north of Utica
    NY to 140 miles northeast of Berlin NH. 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 254...WW 255...
    
    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
    25035.
    
    ...Hart

    ↑ back to the list of watches ↑

    Severe Thunderstorm Watch #0255

    Locations Affected

  • Northeast Kentucky
  • Central and Eastern Ohio
  • Western Pennsylvania
  • Northern Panhandle of West Virginia
  • Lake Erie
  • Severe Thunderstorm Watch Summary

    Thunderstorms are developing across much of Ohio and vicinity in a very moist and unstable air mass. Scattered strong to occasionally severe storms are expected this afternoon with damaging winds and hail possible.

    Severe Weather Threats

  • Scattered damaging wind gusts to 70 mph likely
  • Isolated large hail events to 1.5 inches in diameter possible
  • A tornado or two possible
  • Severe Thunderstorm Watch Details

    SEL5
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Severe Thunderstorm Watch Number 255
    NWS Storm Prediction Center Norman OK
    245 PM EDT Sat May 21 2022
    
    The NWS Storm Prediction Center has issued a
    
    * Severe Thunderstorm Watch for portions of 
      Northeast Kentucky
      Central and Eastern Ohio
      Western Pennsylvania
      Northern Panhandle of West Virginia
      Lake Erie
    
    * Effective this Saturday afternoon and evening from 245 PM until
      1000 PM EDT.
    
    * Primary threats include...
      Scattered damaging wind gusts to 70 mph likely
      Isolated large hail events to 1.5 inches in diameter possible
      A tornado or two possible
    
    SUMMARY...Thunderstorms are developing across much of Ohio and
    vicinity in a very moist and unstable air mass.  Scattered strong to
    occasionally severe storms are expected this afternoon with damaging
    winds and hail possible.
    
    The severe thunderstorm watch area is approximately along and 50
    statute miles north and south of a line from 60 miles west of
    Columbus OH to 15 miles north northeast of Franklin PA. For a
    complete depiction of the watch see the associated watch outline
    update (WOUS64 KWNS WOU5).
    
    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 254...
    
    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
    25035.
    
    ...Hart

    ↑ back to the list of watches ↑

    EXPIRED Severe Thunderstorm Watch #0254

    Locations Affected

  • Southeast Illinois
  • Central and Southern Indiana
  • Northern and Central Kentucky
  • Western Ohio
  • Severe Thunderstorm Watch Summary

    A line of thunderstorms over Illinois will track eastward across the watch area, while new storms form ahead of the line. Damaging winds are the main threat with the strongest cells, although some large hail is also possible.

    Severe Weather Threats

  • Scattered damaging wind gusts to 70 mph likely
  • Scattered large hail events to 1.5 inches in diameter possible
  • A tornado or two possible
  • Severe Thunderstorm Watch Details

    SEL4
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Severe Thunderstorm Watch Number 254
    NWS Storm Prediction Center Norman OK
    150 PM EDT Sat May 21 2022
    
    The NWS Storm Prediction Center has issued a
    
    * Severe Thunderstorm Watch for portions of 
      Southeast Illinois
      Central and Southern Indiana
      Northern and Central Kentucky
      Western Ohio
    
    * Effective this Saturday afternoon and evening from 150 PM until
      700 PM EDT.
    
    * Primary threats include...
      Scattered damaging wind gusts to 70 mph likely
      Scattered large hail events to 1.5 inches in diameter possible
      A tornado or two possible
    
    SUMMARY...A line of thunderstorms over Illinois will track eastward
    across the watch area, while new storms form ahead of the line. 
    Damaging winds are the main threat with the strongest cells,
    although some large hail is also possible.
    
    The severe thunderstorm watch area is approximately along and 90
    statute miles north and south of a line from 30 miles west northwest
    of Evansville IN to 10 miles east of Dayton OH. 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.
    
    &&
    
    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
    25040.
    
    ...Hart

    National Risk Overview

    Saturday, May 21
    TORNADO: 5%
    HAIL: 15%
    WIND: 15%
    Sunday, May 22
    TORNADO: 5%
    HAIL: 15%
    WIND: 15%
    Monday, May 23
    ANY SEVERE: 5%
    Tuesday, May 24
    ANY SEVERE: low / uncertain
    Wednesday, May 25
    ANY SEVERE: low / uncertain
    Thursday, May 26
    ANY SEVERE: low / uncertain
    Friday, May 27
    ANY SEVERE: low / uncertain
    Saturday, May 28
    ANY SEVERE: low / uncertain

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