Tornado Watch 94

Issued

Apr 10, 2013, 8:28 PM CDT (01:28 UTC)

Expired

Apr 11, 2013, 3:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

65 kt

The Paducah radar (KPAH), 79 km from the middle of the area, began a volume at 01:29 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

95%

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

10%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 432Apr 10, 6:09 PM CDT
• Mesoscale Discussion 434Apr 10, 7:55 PM CDT
• Mesoscale Discussion 438Apr 10, 11:08 PM CDT

242 
WWUS20 KWNS 110136
SEL4  
SPC WW 110136
ARZ000-ILZ000-INZ000-KYZ000-MOZ000-MSZ000-TNZ000-110800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 94
NWS STORM PREDICTION CENTER NORMAN OK
830 PM CDT WED APR 10 2013

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

       EASTERN ARKANSAS
       SOUTHERN AND CENTRAL ILLINOIS
       SOUTHWEST INDIANA
       WESTERN KENTUCKY
       SOUTHEAST MISSOURI
       NORTHWEST MISSISSIPPI
       WEST TENNESSEE

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 830 PM
UNTIL 300 AM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH NORTHEAST OF
SALEM ILLINOIS TO 55 MILES WEST SOUTHWEST OF OXFORD MISSISSIPPI. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 89...WW 90...WW 91...WW
92...WW 93...

DISCUSSION...SSW-NNE SQLN NOW EXTENDING FROM NEAR STL TO E OF PBF
EXPECTED TO CONTINUE ENE AT ABOUT 25 KTS...WHILE STORMS WITHIN THE
LINE MOVE NNE AT 45-50. AREA VWP DATA SHOW A BAND OF ENHANCED SSWLY
850-700 MB FLOW...WITH SPEEDS AOA 60 KTS...DEVELOPING EWD AHEAD OF
SQLN IN ASSOCIATION WITH UPR LVL JET STREAK NOW ENTERING WRN AR.
AMPLE LOW-LVL MOISTURE IS IN PLACE TO SUPPORT A CONTINUED THREAT FOR
DMGG WIND AND OCCASIONAL QLCS-TYPE TORNADOES FROM EMBEDDED SUSTAINED
STORMS/SUPERCELLS/LEWPS. SVR POTENTIAL MAY BECOME MORE FOCUSED IN
NRN THIRD OF THE WW LATER TNGT/ERY THU AS NRN PART OF SQLN INTERACTS
WITH SFC FRONT EXPECTED TO REMAIN QSTNRY NEAR I-70 IN IL/SW IND.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 22045.


...CORFIDI

Tornado Watches in Illinois, 2013Tornado Watches in Missouri, 2013Tornado Watches in Tennessee, 2013Every tornado watch in 2013

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.