Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 334
NWS STORM PREDICTION CENTER NORMAN OK
450 PM EDT MON JUN 22 2015
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN OHIO
NORTHWEST PENNSYLVANIA
LAKE ERIE
* EFFECTIVE THIS MONDAY AFTERNOON FROM 450 PM UNTIL MIDNIGHT EDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...AT LEAST ISOLATED SEVERE THUNDERSTORMS WILL CONTINUE TO
PROGRESS EASTWARD ACROSS NORTHERN OHIO INTO NORTHWEST PENNSYLVANIA
THROUGH THE EVENING HOURS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 65 MILES WEST
NORTHWEST OF MANSFIELD OHIO TO 40 MILES EAST NORTHEAST OF
YOUNGSTOWN OHIO. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
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 333...
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 26035.
...GUYER
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 334 SEVERE TSTM OH PA LE 222050Z - 230400Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
65WNW MFD/MANSFIELD OH/ - 40ENE YNG/YOUNGSTOWN OH/
..AVIATION COORDS.. 50NM N/S /56NNE ROD - 36SSE ERI/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26035.
LAT...LON 42048366 42347997 40597997 40318366
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 334 Status Report Messages:
STATUS REPORT #1 ON WW 334
VALID 222215Z - 222340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NNW CMH
TO 50 WNW ERI.
..ROGERS..06/22/15
ATTN...WFO...CLE...PBZ...
&&
STATUS REPORT FOR WS 334
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC005-007-019-029-035-055-075-083-085-099-103-133-139-151-153-
155-169-222340-
OH
. OHIO COUNTIES INCLUDED ARE
ASHLAND ASHTABULA CARROLL
COLUMBIANA CUYAHOGA GEAUGA
HOLMES KNOX LAKE
MAHONING MEDINA PORTAGE
RICHLAND STARK SUMMIT
TRUMBULL WAYNE
$$
PAC039-049-073-085-121-222340-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
CRAWFORD ERIE LAWRENCE
MERCER VENANGO
$$
LEZ146-147-148-149-167-168-169-222340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
AVON POINT TO WILLOWICK OH
WILLOWICK TO GENEVA-ON-THE LAKE OH
GENEVA-ON-THE-LAKE TO CONNEAUT OH
CONNEAUT OH TO RIPLEY NY
WILLOWICK TO GENEVA-ON-THE-LAKE OH BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
GENEVA-ON-THE-LAKE TO CONNEAUT OH BEYOND 5 NM OFF SHORELINE TO
US-CANADIAN BORDER
CONNEAUT OH TO RIPLEY NY BEYOND 5 NM 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 (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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 (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.