Tornado Watch 111

Issued

Apr 28, 2014, 6:37 PM EDT (22:37 UTC)

Expired

Apr 29, 2014, 1:00 AM EDT

In force

6 hr

Issued by

the Storm Prediction Center

Particularly dangerous situation

Yes

Largest hail expected

2 in

Strongest gust expected

60 kt

The Northeast Alabama radar (KHTX), 85 km from the middle of the area, began a volume at 22:38 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

90%

One or more EF2 to EF5 tornadoes

80%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 456Apr 28, 4:12 PM EDT
• Mesoscale Discussion 461Apr 28, 6:22 PM EDT
• Mesoscale Discussion 464Apr 28, 8:12 PM EDT
• Mesoscale Discussion 465Apr 28, 10:10 PM EDT
• Mesoscale Discussion 466Apr 28, 10:34 PM EDT
• Mesoscale Discussion 469Apr 29, 12:20 AM EDT

833 
WWUS20 KWNS 282236
SEL1  
SPC WW 282236
GAZ000-NCZ000-TNZ000-290500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 111
NWS STORM PREDICTION CENTER NORMAN OK
640 PM EDT MON APR 28 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTHWEST GEORGIA
  EXTREME WESTERN NORTH CAROLINA
  SOUTHEAST TENNESSEE

* EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 640 PM
  UNTIL 100 AM EDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

* PRIMARY THREATS INCLUDE...
  SEVERAL TORNADOES AND A FEW INTENSE TORNADOES LIKELY
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES WEST SOUTHWEST OF
CHATTANOOGA TENNESSEE TO 20 MILES WEST NORTHWEST OF KNOXVILLE
TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

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...WW 110...

DISCUSSION...INTENSE SUPERCELL THUNDERSTORMS OVER NORTHERN AL MAY
MAINTAIN INTENSITY FOR A FEW MORE HOURS AND TRACK INTO WATCH AREA. 
MODERATE INSTABILITY AND FAVORABLE VERTICAL SHEAR PROFILES WILL
RESULT IN A CONTINUED RISK OF STRONG/DAMAGING TORNADOES.  HAIL AND
DAMAGING WINDS ARE ALSO POSSIBLE WITH THE STRONGER CELLS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.


...HART

Tornado Watches in Tennessee, 2014Tornado Watches in Georgia, 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.