Tornado Watch 110

Issued

Apr 28, 2014, 2:33 PM EDT (18:33 UTC)

Expired

Apr 28, 2014, 8:00 PM EDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Knoxville radar (KMRX), 29 km from the middle of the area, began a volume at 18:37 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

30%

One or more gusts of 65 knots or more

10%

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

70%

• Mesoscale Discussion 452Apr 28, 1:50 PM EDT
• Mesoscale Discussion 456Apr 28, 4:12 PM EDT
• Mesoscale Discussion 461Apr 28, 6:22 PM EDT

115 
WWUS20 KWNS 281833
SEL0  
SPC WW 281833
KYZ000-TNZ000-VAZ000-290000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 110
NWS STORM PREDICTION CENTER NORMAN OK
235 PM EDT MON APR 28 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  SOUTHEAST KENTUCKY
  EASTERN TENNESSEE
  FAR WESTERN VIRGINIA

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 235 PM UNTIL
  800 PM EDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 50 MILES NORTH OF BRISTOL
TENNESSEE TO 10 MILES EAST SOUTHEAST OF CHATTANOOGA TENNESSEE. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 108...WW 109...

DISCUSSION...BROKEN BAND OF STORMS WILL CONTINUE TO SPREAD EWD
ACROSS ERN TN/SE KY THIS AFTERNOON...ALONG AN OUTFLOW BOUNDARY FROM
MORNING CONVECTION AND IN ADVANCE OF A WEAK MCV.  VERTICAL SHEAR AND
INSTABILITY WILL BE SUFFICIENT FOR SOME RISK OF SUPERCELLS...WITH AN
ATTENDANT RISK FOR A COUPLE TORNADOES...LARGE HAIL...AND DAMAGING
GUSTS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 25035.


...THOMPSON

Tornado Watches in Tennessee, 2014Tornado Watches in Kentucky, 2014Tornado Watches in Virginia, 2014Every tornado watch in 2014

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.