Tornado Watch 28

Issued

Feb 28, 2011, 1:40 AM EST (06:40 UTC)

Expired

Feb 28, 2011, 7:54 AM EST

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

65 kt

The Cincinnati radar (KILN), 52 km from the middle of the area, began a volume at 06:41 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

40%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 164Feb 28, 1:28 AM EST
• Mesoscale Discussion 166Feb 28, 3:32 AM EST
• Mesoscale Discussion 167Feb 28, 4:25 AM EST
• Mesoscale Discussion 169Feb 28, 5:31 AM EST

282 
WWUS20 KWNS 280639
SEL8
SPC WW 280639
INZ000-KYZ000-OHZ000-281400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 28
NWS STORM PREDICTION CENTER NORMAN OK
140 AM EST MON FEB 28 2011

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

       SOUTHEAST INDIANA
       FAR NORTHERN KENTUCKY
       OHIO

EFFECTIVE THIS MONDAY MORNING FROM 140 AM UNTIL 900 AM EST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTH OF MUNCIE
INDIANA TO 15 MILES EAST SOUTHEAST OF ZANESVILLE OHIO.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).

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 24...WW 25...WW 26...WW
27...

DISCUSSION...FAST-MOVING CLUSTER OF TSTMS WITH EMBEDDED SUPERCELLS
IS EXPECTED TO MOVE ACROSS THE WW AREA EARLY THIS MORNING IN
CONJUNCTION WITH MIGRATORY SURFACE LOW.  VERY STRONG SHEAR COMBINED
WITH WEAK BUT SUFFICIENT INSTABILITY WILL MAINTAIN A RISK FOR
TORNADOES AND DAMAGING WIND GUSTS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 25050.


...MEAD

Tornado Watches in Ohio, 2011Tornado Watches in Kentucky, 2011Tornado Watches in Indiana, 2011Every tornado watch in 2011

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.