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.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 85
NWS Storm Prediction Center Norman OK
1140 PM EDT Tue Apr 7 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern and eastern Ohio
Western Pennsylvania
Northern West Virginia
* Effective this Tuesday night and Wednesday morning from 1140 PM
until 600 AM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...Extensive squall line with embedded supercell structures
should progress southeast towards the Upper Ohio Valley through the
early morning. A mix of damaging winds and severe hail will be
possible.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 5 miles south of Dayton
OH to 20 miles north northeast of Latrobe 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 82...WW 84...
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 450. Mean storm motion vector
32040.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 85 SEVERE TSTM OH PA WV 080340Z - 081000Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
5S DAY/DAYTON OH/ - 20NNE LBE/LATROBE PA/
..AVIATION COORDS.. 50NM N/S /29SSW ROD - 24NW JST/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 32040.
LAT...LON 40628422 41347925 39757925 39038422
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 85 Status Report Messages:
STATUS REPORT #5 ON WW 85
VALID 080935Z - 081000Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 W DAY TO
30 SW CMH TO 40 N SSU.
WW 85 WILL BE ALLOWED TO EXPIRE AT 081000Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 307
..GLEASON..04/08/20
ATTN...WFO...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 85
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC047-053-057-079-105-113-129-141-163-081000-
OH
. OHIO COUNTIES INCLUDED ARE
FAYETTE GALLIA GREENE
JACKSON MEIGS MONTGOMERY
PICKAWAY ROSS VINTON
$$
WVC007-035-053-087-101-081000-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BRAXTON JACKSON MASON
ROANE WEBSTER
$$
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.
$$
STATUS REPORT #4 ON WW 85
VALID 080835Z - 080940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NNW DAY
TO 30 E DAY TO 5 ENE UNI TO 40 ESE PKB TO 25 ENE EKN.
..GLEASON..04/08/20
ATTN...WFO...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 85
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC023-047-053-057-073-079-097-105-113-129-141-163-080940-
OH
. OHIO COUNTIES INCLUDED ARE
CLARK FAYETTE GALLIA
GREENE HOCKING JACKSON
MADISON MEIGS MONTGOMERY
PICKAWAY ROSS VINTON
$$
WVC007-013-021-035-041-053-083-087-097-101-105-107-080940-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BRAXTON CALHOUN GILMER
JACKSON LEWIS MASON
RANDOLPH ROANE UPSHUR
WEBSTER 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 #3 ON WW 85
VALID 080735Z - 080840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ESE MIE
TO 30 NE PKB TO 45 NE EKN.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 305
..GLEASON..04/08/20
ATTN...WFO...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 85
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC009-023-037-045-047-057-073-097-109-111-113-115-121-127-129-
141-163-167-080840-
OH
. OHIO COUNTIES INCLUDED ARE
ATHENS CLARK DARKE
FAIRFIELD FAYETTE GREENE
HOCKING MADISON MIAMI
MONROE MONTGOMERY MORGAN
NOBLE PERRY PICKAWAY
ROSS VINTON WASHINGTON
$$
WVC017-033-049-073-077-085-091-093-095-107-080840-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
DODDRIDGE HARRISON MARION
PLEASANTS PRESTON RITCHIE
TAYLOR TUCKER TYLER
WOOD
$$
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.
$$
STATUS REPORT #2 ON WW 85
VALID 080650Z - 080740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 E MIE TO
20 NW ZZV TO 10 E ZZV TO 30 S HLG TO 35 SSE LBE.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 304
..GLEASON..04/08/20
ATTN...WFO...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 85
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC023-080740-
MD
. MARYLAND COUNTIES INCLUDED ARE
GARRETT
$$
OHC009-021-023-037-041-045-047-049-057-073-089-091-097-109-111-
113-115-119-121-127-129-141-149-159-163-167-080740-
OH
. OHIO COUNTIES INCLUDED ARE
ATHENS CHAMPAIGN CLARK
DARKE DELAWARE FAIRFIELD
FAYETTE FRANKLIN GREENE
HOCKING LICKING LOGAN
MADISON MIAMI MONROE
MONTGOMERY MORGAN MUSKINGUM
NOBLE PERRY PICKAWAY
ROSS SHELBY UNION
VINTON WASHINGTON
$$
WVC017-033-049-061-073-077-085-091-093-095-103-107-080740-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
DODDRIDGE HARRISON MARION
MONONGALIA PLEASANTS PRESTON
RITCHIE TAYLOR TUCKER
TYLER WETZEL WOOD
$$
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.
$$
STATUS REPORT #1 ON WW 85
VALID 080540Z - 080640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 WNW MFD
TO 10 NW HLG TO 20 NNW LBE TO 35 NNE LBE TO 25 SSE DUJ.
..GLEASON..04/08/20
ATTN...WFO...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 85
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC009-013-021-023-031-037-041-045-047-049-057-059-067-073-081-
089-091-097-109-111-113-115-119-121-127-129-141-149-157-159-163-
167-080640-
OH
. OHIO COUNTIES INCLUDED ARE
ATHENS BELMONT CHAMPAIGN
CLARK COSHOCTON DARKE
DELAWARE FAIRFIELD FAYETTE
FRANKLIN GREENE GUERNSEY
HARRISON HOCKING JEFFERSON
LICKING LOGAN MADISON
MIAMI MONROE MONTGOMERY
MORGAN MUSKINGUM NOBLE
PERRY PICKAWAY ROSS
SHELBY TUSCARAWAS UNION
VINTON WASHINGTON
$$
PAC003-051-059-063-125-129-080640-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY FAYETTE GREENE
INDIANA WASHINGTON WESTMORELAND
$$
WVC009-017-033-049-051-061-069-073-085-091-095-103-107-080640-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BROOKE DODDRIDGE HARRISON
MARION MARSHALL MONONGALIA
OHIO PLEASANTS RITCHIE
TAYLOR TYLER WETZEL
WOOD
$$
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
|
Low (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
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% (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.