Tornado Watch 49

Issued

Feb 29, 2012, 1:37 PM EST (18:37 UTC)

Expired

Feb 29, 2012, 8:51 PM EST

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Cincinnati radar (KILN), 126 km from the middle of the area, began a volume at 18:36 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

50%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 183Feb 29, 12:41 PM EST
• Mesoscale Discussion 185Feb 29, 1:24 PM EST
• Mesoscale Discussion 186Feb 29, 3:23 PM EST
• Mesoscale Discussion 187Feb 29, 4:18 PM EST
• Mesoscale Discussion 188Feb 29, 4:34 PM EST
• Mesoscale Discussion 190Feb 29, 7:30 PM EST

949 
WWUS20 KWNS 291839
SEL9
SPC WW 291839
KYZ000-OHZ000-VAZ000-WVZ000-LEZ000-010200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 49
NWS STORM PREDICTION CENTER NORMAN OK
140 PM EST WED FEB 29 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

       EASTERN KENTUCKY
       CENTRAL AND EASTERN OHIO
       FAR WESTERN VIRGINIA
       WESTERN AND CENTRAL WEST VIRGINIA
       LAKE ERIE

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
900 PM EST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHWEST OF
AKRON OHIO TO 60 MILES SOUTH SOUTHWEST OF HUNTINGTON WEST
VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

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 48...

DISCUSSION...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE AND
INTENSITY THIS AFTERNOON ON NRN AND ERN PERIPHERY OF ONGOING SVR
TSTMS OVER CNTRL KY.  18Z ILN SOUNDING INDICATES THAT AIR MASS HAS
BECOME UNCAPPED AHEAD OF COLD FRONT MOVING ACROSS OH WITH SBCAPE
VALUES OF AROUND 800 J/KG.  GIVEN THE VERY STRONG WIND FIELD /REF.
18Z ILN SOUNDING AND CURRENT VAD DATA/...THE POTENTIAL WILL EXIST
FOR LOW-TOPPED SUPERCELLS AND BOWING STRUCTURES CAPABLE OF TORNADOES
AND DAMAGING WINDS.

AVIATION...TORNADOES AND 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 350.
MEAN STORM MOTION VECTOR 26050.


...MEAD

Tornado Watches in Ohio, 2012Tornado Watches in West Virginia, 2012Tornado Watches in Kentucky, 2012Every tornado watch in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.