Severe Thunderstorm Watch 429

Issued

Jun 25, 2012, 5:34 PM EDT (21:34 UTC)

Expired

Jun 25, 2012, 11:48 PM EDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Norfolk radar (KAKQ), 106 km from the middle of the area, began a volume at 21:37 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

20%

One or more EF2 to EF5 tornadoes

5%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

20%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 1275Jun 25, 5:21 PM EDT
• Mesoscale Discussion 1279Jun 25, 7:44 PM EDT
• Mesoscale Discussion 1283Jun 25, 9:50 PM EDT

330 
WWUS20 KWNS 252133
SEL9
SPC WW 252133
NCZ000-CWZ000-260500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 429
NWS STORM PREDICTION CENTER NORMAN OK
535 PM EDT MON JUN 25 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

       EASTERN NORTH CAROLINA
       COASTAL WATERS

EFFECTIVE THIS MONDAY AFTERNOON AND TUESDAY MORNING FROM 535 PM
UNTIL 100 AM EDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST OF
ROCKY MOUNT NORTH CAROLINA TO 50 MILES EAST SOUTHEAST OF
ELIZABETH CITY NORTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE
WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

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.

OTHER WATCH INFORMATION...CONTINUE...WW 426...WW 427...WW 428...

DISCUSSION...PRE-FRONTAL BAND OF TSTMS ONGOING OVER S-CNTRL/SERN VA
IS EXPECTED TO SPREAD SEWD ACROSS THE WATCH AREA THIS
AFTERNOON/EVENING AHEAD OF 50 KT MIDLEVEL JET STREAK AND
ASSOCIATED...AMPLIFYING UPPER TROUGH.  THE COMBINATION OF A
MODERATELY UNSTABLE WARM SECTOR AND STRENGTHENING VERTICAL SHEAR
WILL CONTINUE TO PROMOTE BOWING LINE SEGMENTS CAPABLE OF DAMAGING
WINDS AND SOME HAIL.

AVIATION...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 30030.


...MEAD

Severe Thunderstorm Watches in North Carolina, 2012Every severe thunderstorm watch in 2012

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.