Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 288
NWS Storm Prediction Center Norman OK
300 PM EDT Wed May 22 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central Maryland
Central New York
Central Pennsylvania
Northern Virginia
Eastern Panhandle of West Virginia
Lake Ontario
Coastal Waters
* Effective this Wednesday afternoon and evening from 300 PM
until 800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 65 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Scattered afternoon thunderstorms across the watch area
will pose a risk of locally damaging wind gusts and hail.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 15 miles west northwest
of Watertown NY to 60 miles west southwest of Washington DC. 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 284...WW 285...WW
286...WW 287...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27025.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 288 SEVERE TSTM MD NY PA VA WV LO CW 221900Z - 230000Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
15WNW ART/WATERTOWN NY/ - 60WSW DCA/WASHINGTON DC/
..AVIATION COORDS.. 50NM E/W /56N SYR - 12SW CSN/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..55 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 44087508 38507694 38507917 44087751
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 288 Status Report Messages:
STATUS REPORT #5 ON WW 288
VALID 222355Z - 230000Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ESE CXY
TO 35 ESE UNV TO 15 SSW IPT TO 20 SE BGM.
WW 288 WILL BE ALLOWED TO EXPIRE AT 230000Z.
..SQUITIERI..05/22/24
ATTN...WFO...LWX...BUF...BGM...CTP...
&&
STATUS REPORT FOR WS 288
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
PAC037-069-075-079-093-097-107-109-115-119-131-230000-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
COLUMBIA LACKAWANNA LEBANON
LUZERNE MONTOUR NORTHUMBERLAND
SCHUYLKILL SNYDER SUSQUEHANNA
UNION WYOMING
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 288
VALID 222300Z - 230040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 E EKN TO
10 WSW HGR TO 15 NW HGR TO 15 E UNV TO 25 SE ELM TO 30 E BGM.
..SQUITIERI..05/22/24
ATTN...WFO...LWX...BUF...BGM...CTP...
&&
STATUS REPORT FOR WS 288
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC013-021-043-230040-
MD
. MARYLAND COUNTIES INCLUDED ARE
CARROLL FREDERICK WASHINGTON
$$
PAC001-015-037-041-043-055-067-069-071-075-079-081-087-093-097-
099-107-109-113-115-119-131-133-230040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BRADFORD COLUMBIA
CUMBERLAND DAUPHIN FRANKLIN
JUNIATA LACKAWANNA LANCASTER
LEBANON LUZERNE LYCOMING
MIFFLIN MONTOUR NORTHUMBERLAND
PERRY SCHUYLKILL SNYDER
SULLIVAN SUSQUEHANNA UNION
WYOMING YORK
$$
VAC043-047-061-069-079-107-113-139-157-165-171-187-660-840-
230040-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CLARKE CULPEPER FAUQUIER
FREDERICK GREENE LOUDOUN
MADISON PAGE RAPPAHANNOCK
ROCKINGHAM SHENANDOAH WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
HARRISONBURG WINCHESTER
$$
WVC003-031-037-230040-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY HARDY JEFFERSON
$$
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.
$$
STATUS REPORT #3 ON WW 288
VALID 222155Z - 222240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SQUITIERI..05/22/24
ATTN...WFO...LWX...BUF...BGM...CTP...
&&
STATUS REPORT FOR WS 288
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DCC001-222240-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC003-005-013-017-021-025-027-031-033-043-510-222240-
MD
. MARYLAND COUNTIES INCLUDED ARE
ANNE ARUNDEL BALTIMORE CARROLL
CHARLES FREDERICK HARFORD
HOWARD MONTGOMERY PRINCE GEORGES
WASHINGTON
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NYC007-015-017-023-045-049-053-065-107-109-222240-
NY
. NEW YORK COUNTIES INCLUDED ARE
BROOME CHEMUNG CHENANGO
CORTLAND JEFFERSON LEWIS
MADISON ONEIDA TIOGA
TOMPKINS
$$
PAC001-015-027-035-037-041-043-055-061-067-069-071-075-079-081-
087-093-097-099-107-109-113-115-117-119-131-133-222240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BRADFORD CENTRE
CLINTON COLUMBIA CUMBERLAND
DAUPHIN FRANKLIN HUNTINGDON
JUNIATA LACKAWANNA LANCASTER
LEBANON LUZERNE LYCOMING
MIFFLIN MONTOUR NORTHUMBERLAND
PERRY SCHUYLKILL SNYDER
SULLIVAN SUSQUEHANNA TIOGA
UNION WYOMING YORK
$$
VAC013-043-047-059-061-069-079-099-107-113-139-153-157-165-171-
179-187-510-600-610-660-683-685-840-222240-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ARLINGTON CLARKE CULPEPER
FAIRFAX FAUQUIER FREDERICK
GREENE KING GEORGE LOUDOUN
MADISON PAGE PRINCE WILLIAM
RAPPAHANNOCK ROCKINGHAM SHENANDOAH
STAFFORD WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA FAIRFAX FALLS CHURCH
HARRISONBURG MANASSAS MANASSAS PARK
WINCHESTER
$$
WVC003-031-037-222240-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY HARDY JEFFERSON
$$
ANZ530-531-532-535-536-538-222240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
$$
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.
$$
STATUS REPORT #2 ON WW 288
VALID 222110Z - 222240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E EKN TO
10 W HGR TO 15 N AOO TO 40 E BFD TO 10 NNE ELM TO 25 NNW ART.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 898
..SQUITIERI..05/22/24
ATTN...WFO...LWX...BUF...BGM...CTP...
&&
STATUS REPORT FOR WS 288
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DCC001-222240-
DC
. DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE
DISTRICT OF COLUMBIA
$$
MDC003-005-013-017-021-025-027-031-033-043-510-222240-
MD
. MARYLAND COUNTIES INCLUDED ARE
ANNE ARUNDEL BALTIMORE CARROLL
CHARLES FREDERICK HARFORD
HOWARD MONTGOMERY PRINCE GEORGES
WASHINGTON
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NYC007-011-015-017-023-045-049-053-065-067-075-107-109-222240-
NY
. NEW YORK COUNTIES INCLUDED ARE
BROOME CAYUGA CHEMUNG
CHENANGO CORTLAND JEFFERSON
LEWIS MADISON ONEIDA
ONONDAGA OSWEGO TIOGA
TOMPKINS
$$
PAC001-013-015-027-035-037-041-043-055-061-067-069-071-075-079-
081-087-093-097-099-105-107-109-113-115-117-119-131-133-
222240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BLAIR BRADFORD
CENTRE CLINTON COLUMBIA
CUMBERLAND DAUPHIN FRANKLIN
HUNTINGDON JUNIATA LACKAWANNA
LANCASTER LEBANON LUZERNE
LYCOMING MIFFLIN MONTOUR
NORTHUMBERLAND PERRY POTTER
SCHUYLKILL SNYDER SULLIVAN
SUSQUEHANNA TIOGA UNION
WYOMING YORK
$$
VAC013-043-047-059-061-069-079-099-107-113-139-153-157-165-171-
179-187-510-600-610-660-683-685-840-222240-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ARLINGTON CLARKE CULPEPER
FAIRFAX FAUQUIER FREDERICK
GREENE KING GEORGE LOUDOUN
MADISON PAGE PRINCE WILLIAM
RAPPAHANNOCK ROCKINGHAM SHENANDOAH
STAFFORD WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
ALEXANDRIA FAIRFAX FALLS CHURCH
HARRISONBURG MANASSAS MANASSAS PARK
WINCHESTER
$$
WVC003-031-037-222240-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY HARDY JEFFERSON
$$
ANZ530-531-532-535-536-538-LOZ045-065-222240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
MEXICO BAY NY TO THE ST. LAWRENCE RIVER
MEXICO BAY NY TO THE ST. LAWRENCE RIVER BEYOND 5NM OFF SHORELINE
TO US-CANADIAN BORDER
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
$$
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.
$$
STATUS REPORT #1 ON WW 288
VALID 222010Z - 222140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SQUITIERI..05/22/24
ATTN...WFO...LWX...BUF...BGM...CTP...
&&
STATUS REPORT FOR WS 288
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC005-013-021-031-043-510-222140-
MD
. MARYLAND COUNTIES INCLUDED ARE
BALTIMORE CARROLL FREDERICK
MONTGOMERY WASHINGTON
MARYLAND INDEPENDENT CITIES INCLUDED ARE
BALTIMORE CITY
$$
NYC003-007-011-015-017-023-037-045-049-051-053-055-065-067-069-
075-097-099-101-107-109-117-121-123-222140-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY BROOME CAYUGA
CHEMUNG CHENANGO CORTLAND
GENESEE JEFFERSON LEWIS
LIVINGSTON MADISON MONROE
ONEIDA ONONDAGA ONTARIO
OSWEGO SCHUYLER SENECA
STEUBEN TIOGA TOMPKINS
WAYNE WYOMING YATES
$$
PAC001-009-013-015-023-027-035-037-041-043-047-055-057-061-067-
069-071-075-079-081-083-087-093-097-099-105-107-109-113-115-117-
119-131-133-222140-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BEDFORD BLAIR
BRADFORD CAMERON CENTRE
CLINTON COLUMBIA CUMBERLAND
DAUPHIN ELK FRANKLIN
FULTON HUNTINGDON JUNIATA
LACKAWANNA LANCASTER LEBANON
LUZERNE LYCOMING MCKEAN
MIFFLIN MONTOUR NORTHUMBERLAND
PERRY POTTER SCHUYLKILL
SNYDER SULLIVAN SUSQUEHANNA
TIOGA UNION WYOMING
YORK
$$
VAC043-047-059-061-069-079-107-113-139-153-157-165-171-187-600-
610-660-683-685-840-222140-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CLARKE CULPEPER FAIRFAX
FAUQUIER FREDERICK GREENE
LOUDOUN MADISON PAGE
PRINCE WILLIAM RAPPAHANNOCK ROCKINGHAM
SHENANDOAH WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
FAIRFAX FALLS CHURCH HARRISONBURG
MANASSAS MANASSAS PARK WINCHESTER
$$
WVC003-027-031-037-065-222140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY HAMPSHIRE HARDY
JEFFERSON MORGAN
$$
ANZ531-535-536-538-LOZ043-044-045-063-064-065-222140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
HAMLIN BEACH TO SODUS BAY NY
SODUS BAY TO MEXICO BAY NY
MEXICO BAY NY TO THE ST. LAWRENCE RIVER
HAMLIN BEACH TO SODUS BAY NY BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
SODUS BAY TO MEXICO BAY NY BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
MEXICO BAY NY TO THE ST. LAWRENCE RIVER BEYOND 5NM OFF SHORELINE
TO US-CANADIAN BORDER
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.