Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 638
NWS STORM PREDICTION CENTER NORMAN OK
1215 PM EDT SUN JUN 29 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
LARGE PART OF WESTERN NEW YORK
PARTS OF EASTERN OHIO
LARGE PART OF WESTERN PENNSYLVANIA
PARTS OF NORTHERN WEST VIRGINIA
LAKE ERIE
LAKE ONTARIO
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1215 PM UNTIL
800 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 65
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTHWEST OF
WATERTOWN NEW YORK TO 45 MILES SOUTHEAST OF ZANESVILLE OHIO. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU8).
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 637...
DISCUSSION...THUNDERSTORMS ARE INCREASING ALONG/AHEAD OF COLD FRONT
ACROSS ERN OH. WITH MLCAPES TO 1500 J/KG AND 40KT OF DEEP LAYER
SHEAR AHEAD OF LARGE UPPER TROUGH...SEVERE THUNDERSTORMS WILL
DEVELOP AND SPREAD QUICKLY NEWD. PRIMARY THREAT WILL BE DAMAGING
WINDS AND HAIL AS STORMS EVOLVE INTO LINE SEGMENTS/BOWS.
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 23035.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 638 SEVERE TSTM NY OH PA WV LE LO 291615Z - 300000Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
20NW ART/WATERTOWN NY/ - 45SE ZZV/ZANESVILLE OH/
..AVIATION COORDS.. 55NM E/W /63N SYR - 39SW AIR/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 23035.
LAT...LON 44207498 39478008 39478251 44207762
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 638 Status Report Messages:
STATUS REPORT #7 ON WW 638
VALID 292335Z - 300040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ENE PKB
TO 35 WSW DUJ TO 25 N DUJ TO 30 ENE BFD TO 45 SSW ROC TO 30 W SYR
TO 35 WSW SLK.
REPLACEMENT LIKELY WITHIN THE HOUR. FOR ADDITIONAL INFORMATION SEE
SPC MESOSCALE DISCUSSION 1638.
..EDWARDS..06/29/08
ATTN...WFO...BUF...BGM...PBZ...RLX...CTP...CLE...
&&
STATUS REPORT FOR WS 638
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-011-049-051-067-069-075-099-101-123-300040-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CAYUGA LEWIS
LIVINGSTON ONONDAGA ONTARIO
OSWEGO SENECA STEUBEN
YATES
$$
PAC003-005-023-033-047-051-059-063-065-083-105-125-129-300040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY ARMSTRONG CAMERON
CLEARFIELD ELK FAYETTE
GREENE INDIANA JEFFERSON
MCKEAN POTTER WASHINGTON
WESTMORELAND
$$
WVC049-051-061-103-300040-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
MARION MARSHALL MONONGALIA
WETZEL
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #6 ON WW 638
VALID 292245Z - 292340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 WNW PKB
TO 15 NE FKL TO 15 ENE JHW TO 30 SSE BUF TO 15 ESE BUF TO 20 SW
ROC TO 40 NNW ROC TO 45 WSW ART TO 20 NNW ART.
..EDWARDS..06/29/08
ATTN...WFO...BUF...BGM...PBZ...RLX...CTP...CLE...
&&
STATUS REPORT FOR WS 638
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-045-049-051-055-067-069-075-099-101-117-121-123-
292340-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
JEFFERSON LEWIS LIVINGSTON
MONROE ONONDAGA ONTARIO
OSWEGO SENECA STEUBEN
WAYNE WYOMING YATES
$$
OHC013-081-111-121-167-292340-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT JEFFERSON MONROE
NOBLE WASHINGTON
$$
PAC003-005-007-019-023-031-033-047-051-053-059-063-065-073-083-
105-121-123-125-129-292340-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY ARMSTRONG BEAVER
BUTLER CAMERON CLARION
CLEARFIELD ELK FAYETTE
FOREST GREENE INDIANA
JEFFERSON LAWRENCE MCKEAN
POTTER VENANGO WARREN
WASHINGTON WESTMORELAND
$$
WVC009-029-049-051-061-069-103-292340-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BROOKE HANCOCK MARION
MARSHALL MONONGALIA OHIO
WETZEL
$$
LOZ043-044-045-063-064-065-292340-
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 638
VALID 292150Z - 292240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNW JHW
TO 35 SSE BUF TO 15 E BUF TO 20 SW ROC TO 40 NNW ROC TO 45 WSW
ART TO 25 NW ART.
FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 1634.
..EDWARDS..06/29/08
ATTN...WFO...BUF...BGM...PBZ...RLX...CTP...CLE...
&&
STATUS REPORT FOR WS 638
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-013-045-049-051-055-067-069-075-099-101-117-121-
123-292240-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
CHAUTAUQUA JEFFERSON LEWIS
LIVINGSTON MONROE ONONDAGA
ONTARIO OSWEGO SENECA
STEUBEN WAYNE WYOMING
YATES
$$
OHC013-019-029-031-059-067-081-111-115-119-121-127-157-167-
292240-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT CARROLL COLUMBIANA
COSHOCTON GUERNSEY HARRISON
JEFFERSON MONROE MORGAN
MUSKINGUM NOBLE PERRY
TUSCARAWAS WASHINGTON
$$
PAC003-005-007-019-023-031-033-039-047-049-051-053-059-063-065-
073-083-085-105-121-123-125-129-292240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY ARMSTRONG BEAVER
BUTLER CAMERON CLARION
CLEARFIELD CRAWFORD ELK
ERIE FAYETTE FOREST
GREENE INDIANA JEFFERSON
LAWRENCE MCKEAN MERCER
POTTER VENANGO WARREN
WASHINGTON WESTMORELAND
$$
WVC009-029-049-051-061-069-103-292240-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BROOKE HANCOCK MARION
MARSHALL MONONGALIA OHIO
WETZEL
$$
LOZ043-044-045-063-064-065-292240-
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 638
VALID 292050Z - 292140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NW JHW TO
10 WNW ROC TO 45 WNW ART.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1634
..SPC..06/29/08
ATTN...WFO...BUF...BGM...PBZ...RLX...CTP...CLE...
&&
STATUS REPORT FOR WS 638
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-013-045-049-051-055-067-069-075-099-101-117-121-
123-292140-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
CHAUTAUQUA JEFFERSON LEWIS
LIVINGSTON MONROE ONONDAGA
ONTARIO OSWEGO SENECA
STEUBEN WAYNE WYOMING
YATES
$$
OHC013-019-029-031-059-067-081-111-115-119-121-127-157-167-
292140-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT CARROLL COLUMBIANA
COSHOCTON GUERNSEY HARRISON
JEFFERSON MONROE MORGAN
MUSKINGUM NOBLE PERRY
TUSCARAWAS WASHINGTON
$$
PAC003-005-007-019-023-031-033-039-047-049-051-053-059-063-065-
073-083-085-105-121-123-125-129-292140-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY ARMSTRONG BEAVER
BUTLER CAMERON CLARION
CLEARFIELD CRAWFORD ELK
ERIE FAYETTE FOREST
GREENE INDIANA JEFFERSON
LAWRENCE MCKEAN MERCER
POTTER VENANGO WARREN
WASHINGTON WESTMORELAND
$$
WVC009-029-049-051-061-069-103-292140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BROOKE HANCOCK MARION
MARSHALL MONONGALIA OHIO
WETZEL
$$
LOZ043-044-045-063-064-065-292140-
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 638
VALID 291950Z - 292040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
A MESOSCALE DISCUSSION WILL BE ISSUED SHORTLY FOR THIS WATCH.
..SPC..06/29/08
ATTN...WFO...BUF...BGM...PBZ...RLX...CTP...CLE...
&&
STATUS REPORT FOR WS 638
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-013-029-037-045-049-051-055-063-067-069-073-075-
099-101-117-121-123-292040-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
CHAUTAUQUA ERIE GENESEE
JEFFERSON LEWIS LIVINGSTON
MONROE NIAGARA ONONDAGA
ONTARIO ORLEANS OSWEGO
SENECA STEUBEN WAYNE
WYOMING YATES
$$
OHC013-019-029-031-059-067-081-111-115-119-121-127-157-167-
292040-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT CARROLL COLUMBIANA
COSHOCTON GUERNSEY HARRISON
JEFFERSON MONROE MORGAN
MUSKINGUM NOBLE PERRY
TUSCARAWAS WASHINGTON
$$
PAC003-005-007-019-023-031-033-039-047-049-051-053-059-063-065-
073-083-085-105-121-123-125-129-292040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY ARMSTRONG BEAVER
BUTLER CAMERON CLARION
CLEARFIELD CRAWFORD ELK
ERIE FAYETTE FOREST
GREENE INDIANA JEFFERSON
LAWRENCE MCKEAN MERCER
POTTER VENANGO WARREN
WASHINGTON WESTMORELAND
$$
WVC009-029-049-051-061-069-103-292040-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BROOKE HANCOCK MARION
MARSHALL MONONGALIA OHIO
WETZEL
$$
LEZ020-040-041-061-LOZ042-043-044-045-062-063-064-065-292040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NIAGARA RIVER TO HAMLIN BEACH NY
HAMLIN BEACH TO SODUS BAY NY
SODUS BAY TO MEXICO BAY NY
MEXICO BAY NY TO THE ST. LAWRENCE RIVER
NIAGARA RIVER TO HAMLIN BEACH NY BEYOND 5NM OFF SHORELINE TO
US/CANADIAN BORDER
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
BUFFALO HARBOR AND THE UPPER NIAGARA RIVER
RIPLEY TO DUNKIRK NY
DUNKIRK TO BUFFALO NY
RIPLEY TO BUFFALO NY EXTENDING FROM 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 638
VALID 291855Z - 291940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..06/29/08
ATTN...WFO...BUF...BGM...PBZ...RLX...CTP...CLE...
&&
STATUS REPORT FOR WS 638
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-013-029-037-045-049-051-055-063-067-069-073-075-
099-101-117-121-123-291940-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
CHAUTAUQUA ERIE GENESEE
JEFFERSON LEWIS LIVINGSTON
MONROE NIAGARA ONONDAGA
ONTARIO ORLEANS OSWEGO
SENECA STEUBEN WAYNE
WYOMING YATES
$$
OHC013-019-029-031-059-067-081-111-115-119-121-127-157-167-
291940-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT CARROLL COLUMBIANA
COSHOCTON GUERNSEY HARRISON
JEFFERSON MONROE MORGAN
MUSKINGUM NOBLE PERRY
TUSCARAWAS WASHINGTON
$$
PAC003-005-007-019-023-031-033-039-047-049-051-053-059-063-065-
073-083-085-105-121-123-125-129-291940-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY ARMSTRONG BEAVER
BUTLER CAMERON CLARION
CLEARFIELD CRAWFORD ELK
ERIE FAYETTE FOREST
GREENE INDIANA JEFFERSON
LAWRENCE MCKEAN MERCER
POTTER VENANGO WARREN
WASHINGTON WESTMORELAND
$$
WVC009-029-049-051-061-069-103-291940-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BROOKE HANCOCK MARION
MARSHALL MONONGALIA OHIO
WETZEL
$$
LEZ020-040-041-061-LOZ042-043-044-045-062-063-064-065-291940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NIAGARA RIVER TO HAMLIN BEACH NY
HAMLIN BEACH TO SODUS BAY NY
SODUS BAY TO MEXICO BAY NY
MEXICO BAY NY TO THE ST. LAWRENCE RIVER
NIAGARA RIVER TO HAMLIN BEACH NY BEYOND 5NM OFF SHORELINE TO
US/CANADIAN BORDER
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
BUFFALO HARBOR AND THE UPPER NIAGARA RIVER
RIPLEY TO DUNKIRK NY
DUNKIRK TO BUFFALO NY
RIPLEY TO BUFFALO NY EXTENDING FROM 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 638
VALID 291805Z - 291940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..06/29/08
ATTN...WFO...BUF...BGM...PBZ...RLX...CTP...CLE...
&&
STATUS REPORT FOR WS 638
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NYC003-009-011-013-029-037-045-049-051-055-063-067-069-073-075-
099-101-117-121-123-291940-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALLEGANY CATTARAUGUS CAYUGA
CHAUTAUQUA ERIE GENESEE
JEFFERSON LEWIS LIVINGSTON
MONROE NIAGARA ONONDAGA
ONTARIO ORLEANS OSWEGO
SENECA STEUBEN WAYNE
WYOMING YATES
$$
OHC013-019-029-031-059-067-081-111-115-119-121-127-157-167-
291940-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT CARROLL COLUMBIANA
COSHOCTON GUERNSEY HARRISON
JEFFERSON MONROE MORGAN
MUSKINGUM NOBLE PERRY
TUSCARAWAS WASHINGTON
$$
PAC003-005-007-019-023-031-033-039-047-049-051-053-059-063-065-
073-083-085-105-121-123-125-129-291940-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY ARMSTRONG BEAVER
BUTLER CAMERON CLARION
CLEARFIELD CRAWFORD ELK
ERIE FAYETTE FOREST
GREENE INDIANA JEFFERSON
LAWRENCE MCKEAN MERCER
POTTER VENANGO WARREN
WASHINGTON WESTMORELAND
$$
WVC009-029-049-051-061-069-103-291940-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BROOKE HANCOCK MARION
MARSHALL MONONGALIA OHIO
WETZEL
$$
LEZ020-040-041-061-LOZ042-043-044-045-062-063-064-065-291940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NIAGARA RIVER TO HAMLIN BEACH NY
HAMLIN BEACH TO SODUS BAY NY
SODUS BAY TO MEXICO BAY NY
MEXICO BAY NY TO THE ST. LAWRENCE RIVER
NIAGARA RIVER TO HAMLIN BEACH NY BEYOND 5NM OFF SHORELINE TO
US/CANADIAN BORDER
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
BUFFALO HARBOR AND THE UPPER NIAGARA RIVER
RIPLEY TO DUNKIRK NY
DUNKIRK TO BUFFALO NY
RIPLEY TO BUFFALO NY EXTENDING FROM 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 (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
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.