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.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 409
NWS Storm Prediction Center Norman OK
355 PM EDT Sat Aug 1 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Extreme northeast Kentucky
Southern and eastern Ohio
Southwest Pennsylvania
Central and northern West Virginia
* Effective this Saturday afternoon and evening from 355 PM until
1100 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Severe thunderstorms will continue to increase in coverage
through the evening and pose a risk for scattered damaging winds and
perhaps a tornado or two.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 40 miles north
northwest of Huntington WV to 20 miles east northeast of Morgantown
WV. For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU9).
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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
24025.
...Bunting
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 409 SEVERE TSTM KY OH PA WV 011955Z - 020300Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
40NNW HTS/HUNTINGTON WV/ - 20ENE MGW/MORGANTOWN WV/
..AVIATION COORDS.. 50NM N/S /39WNW HNN - 48SW JST/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24025.
LAT...LON 39688283 40567957 38967957 38098283
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 409 Status Report Messages:
STATUS REPORT #3 ON WW 409
VALID 020135Z - 020240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ENE BKW
TO 30 W EKN TO 5 WSW PIT.
..BROYLES..08/02/20
ATTN...WFO...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 409
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
PAC003-051-059-125-129-020240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY FAYETTE GREENE
WASHINGTON WESTMORELAND
$$
WVC001-041-049-061-075-077-083-091-093-097-101-020240-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR LEWIS MARION
MONONGALIA POCAHONTAS PRESTON
RANDOLPH TAYLOR TUCKER
UPSHUR WEBSTER
$$
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.
$$
STATUS REPORT #2 ON WW 409
VALID 012335Z - 020040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SSW HTS
TO 35 NNE CRW TO 30 W HLG.
..BROYLES..08/01/20
ATTN...WFO...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 409
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC013-019-029-067-081-111-020040-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT CARROLL COLUMBIANA
HARRISON JEFFERSON MONROE
$$
PAC003-007-051-059-125-129-020040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY BEAVER FAYETTE
GREENE WASHINGTON WESTMORELAND
$$
WVC001-005-007-009-013-015-017-019-021-029-033-039-041-043-045-
049-051-059-061-067-069-073-075-077-079-083-085-087-091-093-095-
097-099-101-103-105-020040-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BOONE BRAXTON
BROOKE CALHOUN CLAY
DODDRIDGE FAYETTE GILMER
HANCOCK HARRISON KANAWHA
LEWIS LINCOLN LOGAN
MARION MARSHALL MINGO
MONONGALIA NICHOLAS OHIO
PLEASANTS POCAHONTAS PRESTON
PUTNAM RANDOLPH RITCHIE
ROANE TAYLOR TUCKER
TYLER UPSHUR WAYNE
WEBSTER WETZEL WIRT
$$
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.
$$
STATUS REPORT #1 ON WW 409
VALID 012230Z - 012340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 WSW HTS
TO 35 SSE UNI TO 15 NNE ZZV.
..BROYLES..08/01/20
ATTN...WFO...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 409
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KYC019-127-012340-
KY
. KENTUCKY COUNTIES INCLUDED ARE
BOYD LAWRENCE
$$
OHC013-019-029-059-067-081-111-121-157-167-012340-
OH
. OHIO COUNTIES INCLUDED ARE
BELMONT CARROLL COLUMBIANA
GUERNSEY HARRISON JEFFERSON
MONROE NOBLE TUSCARAWAS
WASHINGTON
$$
PAC003-007-051-059-125-129-012340-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ALLEGHENY BEAVER FAYETTE
GREENE WASHINGTON WESTMORELAND
$$
WVC001-005-007-009-011-013-015-017-019-021-029-033-035-039-041-
043-045-049-051-053-059-061-067-069-073-075-077-079-083-085-087-
091-093-095-097-099-101-103-105-107-012340-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BOONE BRAXTON
BROOKE CABELL CALHOUN
CLAY DODDRIDGE FAYETTE
GILMER HANCOCK HARRISON
JACKSON KANAWHA LEWIS
LINCOLN LOGAN MARION
MARSHALL MASON MINGO
MONONGALIA NICHOLAS OHIO
PLEASANTS POCAHONTAS PRESTON
PUTNAM RANDOLPH RITCHIE
ROANE TAYLOR TUCKER
TYLER UPSHUR WAYNE
WEBSTER 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
|
Low (20%)
|
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 (<5%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (50%)
|
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.