Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 442
NWS STORM PREDICTION CENTER NORMAN OK
350 PM EDT WED JUN 17 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF EASTERN OHIO
PARTS OF SOUTHWEST PENNSYLVANIA
PARTS OF NORTHERN WEST VIRGINIA
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
1000 PM EDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHWEST OF WHEELING
WEST VIRGINIA TO 40 MILES EAST OF CHARLESTON WEST VIRGINIA. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
OTHER WATCH INFORMATION...CONTINUE...WW 439...WW 440...WW 441...
DISCUSSION...THUNDERSTORMS ARE DEVELOPING ERN OH AND WILL INTERACT
WITH N/S WARM FRONT ZONE THRU THE WATCH. THIS WILL ENHANCE THE SHEAR
IN ALREADY FAVORABLE SHEARED ENVIRONMENT AND SUPPORT SUPERCELLS. IN
ADDITION TO DAMAGING WINDS AND HAIL...TORNADOES POSSIBLE WITH ANY
SUPERCELL AS STORMS DEVELOP SEWD THRU THE WATCH.
AVIATION...TORNADOES AND 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 28025.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 442 TORNADO OH PA WV 171950Z - 180200Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
45NW HLG/WHEELING WV/ - 40E CRW/CHARLESTON WV/
..AVIATION COORDS.. 50NM E/W /42NNW AIR - 37NNE BKW/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28025.
LAT...LON 40638011 38347973 38348195 40638240
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 442 Status Report Messages:
STATUS REPORT #4 ON WW 442
VALID 180140Z - 180200Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 E CRW TO
20 NNW PKB TO 25 WSW ZZV.
WW 442 WILL BE ALLOWED TO EXPIRE AT 180200Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1187
..GARNER..06/18/09
ATTN...WFO...RLX...PBZ...
&&
STATUS REPORT FOR WT 442
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC013-019-029-031-059-067-081-111-119-121-157-180200-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT CARROLL COLUMBIANA
COSHOCTON GUERNSEY HARRISON
JEFFERSON MONROE MUSKINGUM
NOBLE TUSCARAWAS
$$
PAC003-005-007-019-051-059-063-073-125-129-180200-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY ARMSTRONG BEAVER
BUTLER FAYETTE GREENE
INDIANA LAWRENCE WASHINGTON
WESTMORELAND
$$
WVC001-007-009-013-015-017-019-021-029-033-041-049-051-061-067-
069-073-075-077-083-085-087-091-093-095-097-101-103-105-
180200-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BRAXTON BROOKE
CALHOUN CLAY DODDRIDGE
FAYETTE GILMER HANCOCK
HARRISON LEWIS MARION
MARSHALL MONONGALIA NICHOLAS
OHIO PLEASANTS POCAHONTAS
PRESTON RANDOLPH RITCHIE
ROANE TAYLOR TUCKER
TYLER UPSHUR WEBSTER
WETZEL WIRT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 442
VALID 180045Z - 180140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 E CRW TO
20 NNW PKB TO 20 WSW ZZV.
..SMITH..06/18/09
ATTN...WFO...RLX...PBZ...
&&
STATUS REPORT FOR WT 442
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC013-019-029-031-059-067-081-111-119-121-157-180140-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT CARROLL COLUMBIANA
COSHOCTON GUERNSEY HARRISON
JEFFERSON MONROE MUSKINGUM
NOBLE TUSCARAWAS
$$
PAC003-005-007-019-051-059-063-073-125-129-180140-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY ARMSTRONG BEAVER
BUTLER FAYETTE GREENE
INDIANA LAWRENCE WASHINGTON
WESTMORELAND
$$
WVC001-007-009-013-015-017-019-021-029-033-041-049-051-061-067-
069-073-075-077-083-085-087-091-093-095-097-101-103-105-
180140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BRAXTON BROOKE
CALHOUN CLAY DODDRIDGE
FAYETTE GILMER HANCOCK
HARRISON LEWIS MARION
MARSHALL MONONGALIA NICHOLAS
OHIO PLEASANTS POCAHONTAS
PRESTON RANDOLPH RITCHIE
ROANE TAYLOR TUCKER
TYLER UPSHUR WEBSTER
WETZEL WIRT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 442
VALID 172135Z - 172240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..06/17/09
ATTN...WFO...RLX...PBZ...
&&
STATUS REPORT FOR WT 442
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC009-013-019-031-059-067-081-105-111-115-119-121-127-157-167-
172240-
OH
. OHIO COUNTIES INCLUDED ARE
ATHENS BELMONT CARROLL
COSHOCTON GUERNSEY HARRISON
JEFFERSON MEIGS MONROE
MORGAN MUSKINGUM NOBLE
PERRY TUSCARAWAS WASHINGTON
$$
PAC051-059-125-172240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
FAYETTE GREENE WASHINGTON
$$
WVC001-007-009-013-017-021-029-033-035-041-049-051-053-061-069-
073-077-083-085-087-091-093-095-097-103-105-107-172240-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BRAXTON BROOKE
CALHOUN DODDRIDGE GILMER
HANCOCK HARRISON JACKSON
LEWIS MARION MARSHALL
MASON MONONGALIA OHIO
PLEASANTS PRESTON RANDOLPH
RITCHIE ROANE TAYLOR
TUCKER TYLER UPSHUR
WETZEL WIRT WOOD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 442
VALID 172025Z - 172140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..06/17/09
ATTN...WFO...RLX...PBZ...
&&
STATUS REPORT FOR WT 442
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC009-013-019-031-059-067-081-105-111-115-119-121-127-157-167-
172140-
OH
. OHIO COUNTIES INCLUDED ARE
ATHENS BELMONT CARROLL
COSHOCTON GUERNSEY HARRISON
JEFFERSON MEIGS MONROE
MORGAN MUSKINGUM NOBLE
PERRY TUSCARAWAS WASHINGTON
$$
PAC051-059-125-172140-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
FAYETTE GREENE WASHINGTON
$$
WVC001-007-009-013-017-021-029-033-035-041-049-051-053-061-069-
073-077-083-085-087-091-093-095-097-103-105-107-172140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BRAXTON BROOKE
CALHOUN DODDRIDGE GILMER
HANCOCK HARRISON JACKSON
LEWIS MARION MARSHALL
MASON MONONGALIA OHIO
PLEASANTS PRESTON RANDOLPH
RITCHIE ROANE TAYLOR
TUCKER TYLER UPSHUR
WETZEL WIRT WOOD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
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
|
Mod (30%)
|
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.