Tornado Watch 446

Issued

Jun 4, 2008, 9:18 AM EDT (13:18 UTC)

Expired

Jun 4, 2008, 4:00 PM EDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

70 kt

The Charleston,WV radar (KRLX), 108 km from the middle of the area, began a volume at 13:18 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

20%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

40%

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

90%

• Mesoscale Discussion 1197Jun 4, 7:09 AM EDT
• Mesoscale Discussion 1198Jun 4, 7:23 AM EDT
• Mesoscale Discussion 1200Jun 4, 12:25 PM EDT
• Mesoscale Discussion 1203Jun 4, 2:39 PM EDT

000
WWUS20 KWNS 041316
SEL6  
SPC WW 041316
INZ000-KYZ000-MDZ000-OHZ000-WVZ000-042000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 446
NWS STORM PREDICTION CENTER NORMAN OK
915 AM EDT WED JUN 4 2008

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

       EXTREME SOUTHEASTERN INDIANA
       NORTHEASTERN KENTUCKY
       EXTREME WRN PANHANDLE OF MARYLAND
       SOUTHERN OHIO
       WEST VIRGINIA

EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 915 AM UNTIL
400 PM EDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EITHER SIDE OF A LINE FROM 30 MILES NORTHWEST OF CINCINNATI
OHIO TO 25 MILES SOUTHEAST OF ELKINS WEST VIRGINIA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU6).

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 444. WATCH NUMBER 444 WILL NOT BE IN EFFECT AFTER
915 AM EDT. 

DISCUSSION...SVR POTENTIAL FCST TO INCREASE ACROSS WW AREA THROUGH
MID-DAY AS PROSPECTIVE INFLOW-LAYER AIR MASS DESTABILIZES...AMIDST
FAVORABLE ORIENTED LOW-LEVEL AND DEEP-LAYER SHEAR PROFILES.  MAIN
CONCERN IS DAMAGING WIND...HOWEVER A FEW TORNADOES ARE POSSIBLE
ALONG BOUNDARY INTERSECTIONS AND ASSOCIATED WITH BOW ECHOES AND QLCS
MESOVORTICES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 28035.


...EDWARDS/CORFIDI

Tornado Watches in West Virginia, 2008Tornado Watches in Ohio, 2008Tornado Watches in Kentucky, 2008Every tornado watch in 2008

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.