Tornado Watch 583

Issued

Dec 21, 2013, 5:49 PM EST (22:49 UTC)

Expired

Dec 21, 2013, 10:57 PM EST

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

0.5 in

Strongest gust expected

60 kt

The Evansville,IN radar (KVWX), 80 km from the middle of the area, began a volume at 22:52 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

20%

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

90%

• Mesoscale Discussion 2103Dec 21, 4:21 PM EST
• Mesoscale Discussion 2105Dec 21, 8:40 PM EST

944 
WWUS20 KWNS 212249
SEL3  
SPC WW 212249
INZ000-KYZ000-220500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 583
NWS STORM PREDICTION CENTER NORMAN OK
450 PM CST SAT DEC 21 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  EXTREME SOUTHERN INDIANA
  WESTERN AND PARTS OF CENTRAL KENTUCKY

* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 450 PM UNTIL
  1100 PM CST.

* PRIMARY THREATS INCLUDE...
  SEVERAL TORNADOES POSSIBLE
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHWEST OF
LOUISVILLE KENTUCKY TO 40 MILES WEST SOUTHWEST OF FORT CAMPBELL
KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 580...WW 582...

DISCUSSION...QLCS IS ORGANIZING NEAR THE MS RIVER AND WILL SURGE
NEWD THROUGH EARLY TONIGHT IN ASSOCIATION WITH A DEEPENING SURFACE
CYCLONE.  THOUGH INSTABILITY IS WEAK...IT IS BASED NEAR THE GROUND
AND THE MOIST PROFILES WITH VERY STRONG LOW-LEVEL SHEAR WILL FAVOR
EMBEDDED CIRCULATIONS CAPABLE OF PRODUCING A COUPLE OF TORNADOES AND
DAMAGING WINDS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
350. MEAN STORM MOTION VECTOR 24045.


...THOMPSON

Tornado Watches in Kentucky, 2013Tornado Watches in Indiana, 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.