Tornado Watch 218

Issued

Jun 4, 2014, 2:51 PM EDT (18:51 UTC)

Expired

Jun 5, 2014, 12:50 AM EDT

In force

10 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Jackson,KY radar (KJKL), 77 km from the middle of the area, began a volume at 18:52 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

30%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

20%

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

60%

• Mesoscale Discussion 813Jun 4, 12:11 PM EDT
• Mesoscale Discussion 814Jun 4, 1:20 PM EDT
• Mesoscale Discussion 818Jun 4, 6:34 PM EDT
• Mesoscale Discussion 821Jun 4, 7:57 PM EDT
• Mesoscale Discussion 824Jun 4, 10:45 PM EDT

980 
WWUS20 KWNS 041854
SEL8  
SPC WW 041854
INZ000-KYZ000-OHZ000-VAZ000-WVZ000-050100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 218
NWS STORM PREDICTION CENTER NORMAN OK
255 PM EDT WED JUN 4 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  EXTREME SOUTHEAST INDIANA
  NORTHERN AND EASTERN KENTUCKY
  SOUTHERN OHIO
  SOUTHWEST VIRGINIA
  WESTERN WEST VIRGINIA

* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 255 PM
  UNTIL 900 PM EDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHWEST OF
HUNTINGTON WEST VIRGINIA TO 30 MILES SOUTH OF LONDON KENTUCKY. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU8).

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.

&&

DISCUSSION...WHILE INITIAL ROUND OF STRONG TO ISOLD SVR STORMS WAS
PROGRESSING INTO WV ALONG WARM FRONTAL SEGMENT...MORE NUMEROUS
STRONG TO SVR STORMS APPEAR LIKELY TO INCREASE IN THE WAKE OF THIS
INITIAL ROUND. THIS ACTIVITY SHOULD BE SPURRED BY LARGE SCALE
FORCING FOR ASCENT ASSOCIATED WITH A SHORTWAVE TROUGH TRANSLATING
EAST ACROSS OH AND ASSOCIATED SFC LOW/FRONTAL WAVE. MODERATELY
UNSTABLE AIRMASS WILL FUEL INTENSE UPDRAFTS WHERE DEEP-LAYER
VERTICAL SHEAR WILL SUPPORT SUPERCELLS. DISCRETE CELLS WILL EXIST IN
A MARGINALLY SUPPORTIVE LOW LEVEL SHEAR REGIME FOR MESOCYCLONES AND
PERHAPS A COUPLE OF TORNADOES.

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 28025.


...CARBIN

Tornado Watches in Kentucky, 2014Tornado Watches in West Virginia, 2014Tornado Watches in Ohio, 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.