Severe Thunderstorm Watch 321

Issued

Jul 4, 2016, 12:41 PM CDT (17:41 UTC)

Expired

Jul 4, 2016, 8:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Jackson,KY radar (KJKL), 45 km from the middle of the area, began a volume at 17:41 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

20%

One or more EF2 to EF5 tornadoes

2%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

5%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 1130Jul 4, 11:36 AM CDT
• Mesoscale Discussion 1133Jul 4, 4:50 PM CDT

424 
WWUS20 KWNS 041739 CCA
SEL1  
SPC WW 041739 CCA
KYZ000-TNZ000-VAZ000-WVZ000-050100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 321...CORRECTED
NWS STORM PREDICTION CENTER NORMAN OK
140 PM EDT MON JUL 4 2016

CORRECTED FOR INCLUSION OF TORNADO PROBABLITIES

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  KENTUCKY
  NORTHERN TENNESSEE
  SOUTHWEST VIRGINIA
  WESTERN AND SOUTHERN WEST VIRGINIA

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
  900 PM EDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE
  A TORNADO OR TWO POSSIBLE

SUMMARY...SEVERAL CLUSTERS AND SHORT LINES OF THUNDERSTORMS WITH A
RISK FOR DAMAGING WIND AND POSSIBLY A TORNADO OR TWO EXPECTED TO
SPREAD GENERALLY WEST TO EAST ACROSS WATCH AREA THROUGH EARLY
TONIGHT.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105
STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF
CHARLESTON WEST VIRGINIA TO 60 MILES SOUTHEAST OF BOWLING GREEN
KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

&&

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION
VECTOR 26030.


...CORFIDI

Severe Thunderstorm Watches in Kentucky, 2016Severe Thunderstorm Watches in Tennessee, 2016Severe Thunderstorm Watches in West Virginia, 2016Every severe thunderstorm watch in 2016

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.