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 393
NWS Storm Prediction Center Norman OK
330 PM EDT Tue Oct 2 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Ohio
Southwest Pennsylvania
Far northern West Virginia
* Effective this Tuesday afternoon and evening from 330 PM until
1000 PM EDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Strong to severe thunderstorms will continue to increase
along and ahead of a cold front. A moist/moderately unstable
environment will support some severe storms capable of hail/damaging
winds as the primary hazards.
The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 50 miles southeast of
Akron OH to 40 miles west southwest of Columbus OH. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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 392...
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
28030.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 393 SEVERE TSTM OH PA WV 021930Z - 030200Z
AXIS..65 STATUTE MILES NORTH AND SOUTH OF LINE..
50SE CAK/AKRON OH/ - 40WSW CMH/COLUMBUS OH/
..AVIATION COORDS.. 55NM N/S /23N AIR - 38SE ROD/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28030.
LAT...LON 39478076 38848358 40728358 41348076
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 393 Status Report Messages:
STATUS REPORT #2 ON WW 393
VALID 030025Z - 030140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SSE UNI
TO 10 NW ZZV TO 30 WNW PIT.
..BENTLEY..10/03/18
ATTN...WFO...CLE...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 393
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC009-013-059-067-111-115-119-121-167-030140-
OH
. OHIO COUNTIES INCLUDED ARE
ATHENS BELMONT GUERNSEY
HARRISON MONROE MORGAN
MUSKINGUM NOBLE WASHINGTON
$$
WVC049-051-061-069-073-095-103-030140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
MARION MARSHALL MONONGALIA
OHIO PLEASANTS TYLER
WETZEL
$$
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.
$$
STATUS REPORT #1 ON WW 393
VALID 022025Z - 022140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..10/02/18
ATTN...WFO...CLE...RLX...PBZ...ILN...
&&
STATUS REPORT FOR WS 393
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC005-009-013-019-021-023-031-041-045-047-049-055-057-059-067-
073-075-083-085-089-091-097-101-103-111-115-117-119-121-127-129-
133-139-141-151-153-157-159-163-167-169-022140-
OH
. OHIO COUNTIES INCLUDED ARE
ASHLAND ATHENS BELMONT
CARROLL CHAMPAIGN CLARK
COSHOCTON DELAWARE FAIRFIELD
FAYETTE FRANKLIN GEAUGA
GREENE GUERNSEY HARRISON
HOCKING HOLMES KNOX
LAKE LICKING LOGAN
MADISON MARION MEDINA
MONROE MORGAN MORROW
MUSKINGUM NOBLE PERRY
PICKAWAY PORTAGE RICHLAND
ROSS STARK SUMMIT
TUSCARAWAS UNION VINTON
WASHINGTON WAYNE
$$
PAC051-059-022140-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
FAYETTE GREENE
$$
WVC051-069-073-095-103-022140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
MARSHALL OHIO PLEASANTS
TYLER WETZEL
$$
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.
$$
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
|
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% (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.
weather.gov 
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