Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 213
NWS STORM PREDICTION CENTER NORMAN OK
150 PM EDT TUE APR 26 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EXTREME WESTERN MARYLAND
MUCH OF UPSTATE NEW YORK
PENNSYLVANIA
NORTHERN WEST VIRGINIA
LAKE ONTARIO
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 150 PM UNTIL
900 PM EDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH
NORTHEAST OF UTICA NEW YORK TO 45 MILES SOUTH SOUTHEAST OF
LATROBE PENNSYLVANIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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.
DISCUSSION...SEVERAL BANDS OF BROKEN CONVECTION ARE DEVELOPING ALONG
TWO PRIMARY ZONES OF LOW LEVEL CONFLUENCE ACROSS THE OH VALLEY INTO
UPSTATE NY. THUNDERSTORMS WILL GRADUALLY INTENSIFY AND INCREASE IN
AREAL COVERAGE AS THEY SPREAD/DEVELOP DOWNSTREAM. LARGE HAIL AND
DAMAGING WINDS ARE EXPECTED WITH THE STRONGEST STORMS.
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 450. MEAN STORM
MOTION VECTOR 22030.
...DARROW
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 213 SEVERE TSTM MD NY PA WV LO 261750Z - 270100Z
AXIS..90 STATUTE MILES EAST AND WEST OF LINE..
60NNE UCA/UTICA NY/ - 45SSE LBE/LATROBE PA/
..AVIATION COORDS.. 80NM E/W /58S MSS - 40SSW JST/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 22030.
LAT...LON 43937311 39667737 39668076 43937673
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 213 Status Report Messages:
STATUS REPORT #6 ON WW 213
VALID 270050Z - 270100Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ENE EKN
TO 25 SE LBE TO 25 S DUJ TO 40 NNW UNV TO 35 WSW ELM TO 40 WNW
ELM TO 20 S ROC TO ROC TO 55 N ROC.
WW 213 WILL BE ALLOWED TO EXPIRE AT 270100Z.
..DEAN..04/27/11
ATTN...WFO...PBZ...BUF...BGM...ALY...CTP...
&&
STATUS REPORT FOR WS 213
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC007-011-015-017-023-025-035-041-043-045-049-051-053-057-065-
067-069-075-077-095-097-099-101-107-109-117-123-270100-
NY
. NEW YORK COUNTIES INCLUDED ARE
BROOME CAYUGA CHEMUNG
CHENANGO CORTLAND DELAWARE
FULTON HAMILTON HERKIMER
JEFFERSON LEWIS LIVINGSTON
MADISON MONTGOMERY ONEIDA
ONONDAGA ONTARIO OSWEGO
OTSEGO SCHOHARIE SCHUYLER
SENECA STEUBEN TIOGA
TOMPKINS WAYNE YATES
$$
PAC001-009-013-015-021-027-035-037-041-043-055-057-061-067-069-
079-081-087-093-097-099-107-109-111-113-115-117-119-127-131-
270100-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BEDFORD BLAIR
BRADFORD CAMBRIA CENTRE
CLINTON COLUMBIA CUMBERLAND
DAUPHIN FRANKLIN FULTON
HUNTINGDON JUNIATA LACKAWANNA
LUZERNE LYCOMING MIFFLIN
MONTOUR NORTHUMBERLAND PERRY
SCHUYLKILL SNYDER SOMERSET
SULLIVAN SUSQUEHANNA TIOGA
UNION WAYNE WYOMING
$$
LOZ043-044-045-063-064-065-270100-
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 213
VALID 262325Z - 270040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SW MGW TO
15 NE MGW TO 15 NE LBE TO 10 S DUJ TO 20 NNW DUJ TO 30 NNE FKL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 600
..DEAN..04/26/11
ATTN...WFO...PBZ...BUF...BGM...ALY...CTP...
&&
STATUS REPORT FOR WS 213
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC023-270040-
MD
. MARYLAND COUNTIES INCLUDED ARE
GARRETT
$$
NYC003-007-009-011-015-017-023-025-035-037-041-043-045-049-051-
053-055-057-065-067-069-075-077-095-097-099-101-107-109-117-121-
123-270040-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY BROOME CATTARAUGUS
CAYUGA CHEMUNG CHENANGO
CORTLAND DELAWARE FULTON
GENESEE HAMILTON HERKIMER
JEFFERSON LEWIS LIVINGSTON
MADISON MONROE MONTGOMERY
ONEIDA ONONDAGA ONTARIO
OSWEGO OTSEGO SCHOHARIE
SCHUYLER SENECA STEUBEN
TIOGA TOMPKINS WAYNE
WYOMING YATES
$$
PAC001-009-013-015-021-023-027-033-035-037-041-043-047-055-057-
061-067-069-079-081-083-087-093-097-099-105-107-109-111-113-115-
117-119-123-127-131-270040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BEDFORD BLAIR
BRADFORD CAMBRIA CAMERON
CENTRE CLEARFIELD CLINTON
COLUMBIA CUMBERLAND DAUPHIN
ELK FRANKLIN FULTON
HUNTINGDON JUNIATA LACKAWANNA
LUZERNE LYCOMING MCKEAN
MIFFLIN MONTOUR NORTHUMBERLAND
PERRY POTTER SCHUYLKILL
SNYDER SOMERSET SULLIVAN
SUSQUEHANNA TIOGA UNION
WARREN WAYNE WYOMING
$$
WVC077-093-270040-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
PRESTON TUCKER
$$
LOZ043-044-045-063-064-065-270040-
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 213
VALID 262250Z - 262340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 WSW MGW TO
20 SSW DUJ TO 30 NNW DUJ.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 600
..ROGERS..04/26/11
ATTN...WFO...PBZ...BUF...BGM...ALY...CTP...
&&
STATUS REPORT FOR WS 213
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC023-262340-
MD
. MARYLAND COUNTIES INCLUDED ARE
GARRETT
$$
NYC003-007-009-011-015-017-023-025-035-037-041-043-045-049-051-
053-055-057-065-067-069-075-077-095-097-099-101-107-109-117-121-
123-262340-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY BROOME CATTARAUGUS
CAYUGA CHEMUNG CHENANGO
CORTLAND DELAWARE FULTON
GENESEE HAMILTON HERKIMER
JEFFERSON LEWIS LIVINGSTON
MADISON MONROE MONTGOMERY
ONEIDA ONONDAGA ONTARIO
OSWEGO OTSEGO SCHOHARIE
SCHUYLER SENECA STEUBEN
TIOGA TOMPKINS WAYNE
WYOMING YATES
$$
PAC001-009-013-015-021-023-027-033-035-037-041-043-047-055-057-
061-067-069-079-081-083-087-093-097-099-105-107-109-111-113-115-
117-119-123-127-131-262340-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BEDFORD BLAIR
BRADFORD CAMBRIA CAMERON
CENTRE CLEARFIELD CLINTON
COLUMBIA CUMBERLAND DAUPHIN
ELK FRANKLIN FULTON
HUNTINGDON JUNIATA LACKAWANNA
LUZERNE LYCOMING MCKEAN
MIFFLIN MONTOUR NORTHUMBERLAND
PERRY POTTER SCHUYLKILL
SNYDER SOMERSET SULLIVAN
SUSQUEHANNA TIOGA UNION
WARREN WAYNE WYOMING
$$
WVC077-093-262340-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
PRESTON TUCKER
$$
LOZ043-044-045-063-064-065-262340-
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 213
VALID 262135Z - 262240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..CORFIDI..04/26/11
ATTN...WFO...PBZ...BUF...BGM...ALY...CTP...
&&
STATUS REPORT FOR WS 213
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC023-262240-
MD
. MARYLAND COUNTIES INCLUDED ARE
GARRETT
$$
NYC003-007-009-011-015-017-023-025-035-037-041-043-045-049-051-
053-055-057-065-067-069-075-077-095-097-099-101-107-109-117-121-
123-262240-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY BROOME CATTARAUGUS
CAYUGA CHEMUNG CHENANGO
CORTLAND DELAWARE FULTON
GENESEE HAMILTON HERKIMER
JEFFERSON LEWIS LIVINGSTON
MADISON MONROE MONTGOMERY
ONEIDA ONONDAGA ONTARIO
OSWEGO OTSEGO SCHOHARIE
SCHUYLER SENECA STEUBEN
TIOGA TOMPKINS WAYNE
WYOMING YATES
$$
PAC001-003-005-007-009-013-015-019-021-023-027-031-033-035-037-
041-043-047-051-053-055-057-059-061-063-065-067-069-079-081-083-
087-093-097-099-105-107-109-111-113-115-117-119-123-125-127-129-
131-262240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS ALLEGHENY ARMSTRONG
BEAVER BEDFORD BLAIR
BRADFORD BUTLER CAMBRIA
CAMERON CENTRE CLARION
CLEARFIELD CLINTON COLUMBIA
CUMBERLAND DAUPHIN ELK
FAYETTE FOREST FRANKLIN
FULTON GREENE HUNTINGDON
INDIANA JEFFERSON JUNIATA
LACKAWANNA LUZERNE LYCOMING
MCKEAN MIFFLIN MONTOUR
NORTHUMBERLAND PERRY POTTER
SCHUYLKILL SNYDER SOMERSET
SULLIVAN SUSQUEHANNA TIOGA
UNION WARREN WASHINGTON
WAYNE WESTMORELAND WYOMING
$$
WVC049-061-077-093-262240-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
MARION MONONGALIA PRESTON
TUCKER
$$
LOZ043-044-045-063-064-065-262240-
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 213
VALID 262040Z - 262140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 593.
..GRAMS..04/26/11
ATTN...WFO...PBZ...BUF...BGM...ALY...CTP...
&&
STATUS REPORT FOR WS 213
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC023-262140-
MD
. MARYLAND COUNTIES INCLUDED ARE
GARRETT
$$
NYC003-007-009-011-015-017-023-025-035-037-041-043-045-049-051-
053-055-057-065-067-069-075-077-095-097-099-101-107-109-117-121-
123-262140-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY BROOME CATTARAUGUS
CAYUGA CHEMUNG CHENANGO
CORTLAND DELAWARE FULTON
GENESEE HAMILTON HERKIMER
JEFFERSON LEWIS LIVINGSTON
MADISON MONROE MONTGOMERY
ONEIDA ONONDAGA ONTARIO
OSWEGO OTSEGO SCHOHARIE
SCHUYLER SENECA STEUBEN
TIOGA TOMPKINS WAYNE
WYOMING YATES
$$
PAC001-003-005-007-009-013-015-019-021-023-027-031-033-035-037-
041-043-047-051-053-055-057-059-061-063-065-067-069-079-081-083-
087-093-097-099-105-107-109-111-113-115-117-119-123-125-127-129-
131-262140-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS ALLEGHENY ARMSTRONG
BEAVER BEDFORD BLAIR
BRADFORD BUTLER CAMBRIA
CAMERON CENTRE CLARION
CLEARFIELD CLINTON COLUMBIA
CUMBERLAND DAUPHIN ELK
FAYETTE FOREST FRANKLIN
FULTON GREENE HUNTINGDON
INDIANA JEFFERSON JUNIATA
LACKAWANNA LUZERNE LYCOMING
MCKEAN MIFFLIN MONTOUR
NORTHUMBERLAND PERRY POTTER
SCHUYLKILL SNYDER SOMERSET
SULLIVAN SUSQUEHANNA TIOGA
UNION WARREN WASHINGTON
WAYNE WESTMORELAND WYOMING
$$
WVC049-061-077-093-262140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
MARION MONONGALIA PRESTON
TUCKER
$$
LOZ043-044-045-063-064-065-262140-
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 213
VALID 261925Z - 262040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GRAMS..04/26/11
ATTN...WFO...PBZ...BUF...BGM...ALY...CTP...
&&
STATUS REPORT FOR WS 213
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC023-262040-
MD
. MARYLAND COUNTIES INCLUDED ARE
GARRETT
$$
NYC003-007-009-011-015-017-023-025-035-037-041-043-045-049-051-
053-055-057-065-067-069-075-077-095-097-099-101-107-109-117-121-
123-262040-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY BROOME CATTARAUGUS
CAYUGA CHEMUNG CHENANGO
CORTLAND DELAWARE FULTON
GENESEE HAMILTON HERKIMER
JEFFERSON LEWIS LIVINGSTON
MADISON MONROE MONTGOMERY
ONEIDA ONONDAGA ONTARIO
OSWEGO OTSEGO SCHOHARIE
SCHUYLER SENECA STEUBEN
TIOGA TOMPKINS WAYNE
WYOMING YATES
$$
PAC001-003-005-007-009-013-015-019-021-023-027-031-033-035-037-
041-043-047-051-053-055-057-059-061-063-065-067-069-079-081-083-
087-093-097-099-105-107-109-111-113-115-117-119-123-125-127-129-
131-262040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS ALLEGHENY ARMSTRONG
BEAVER BEDFORD BLAIR
BRADFORD BUTLER CAMBRIA
CAMERON CENTRE CLARION
CLEARFIELD CLINTON COLUMBIA
CUMBERLAND DAUPHIN ELK
FAYETTE FOREST FRANKLIN
FULTON GREENE HUNTINGDON
INDIANA JEFFERSON JUNIATA
LACKAWANNA LUZERNE LYCOMING
MCKEAN MIFFLIN MONTOUR
NORTHUMBERLAND PERRY POTTER
SCHUYLKILL SNYDER SOMERSET
SULLIVAN SUSQUEHANNA TIOGA
UNION WARREN WASHINGTON
WAYNE WESTMORELAND WYOMING
$$
WVC049-061-077-093-262040-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
MARION MONONGALIA PRESTON
TUCKER
$$
LOZ043-044-045-063-064-065-262040-
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
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% (F2-F5 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.