Tornado Watch 347

Issued

Jun 22, 2013, 5:56 PM CDT (22:56 UTC)

Expired

Jun 23, 2013, 1:01 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

65 kt

The North Platte radar (KLNX), 126 km from the middle of the area, began a volume at 22:56 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

50%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

70%

One or more hailstones of 2 inches or more

40%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 1173Jun 22, 2:45 PM CDT
• Mesoscale Discussion 1174Jun 22, 3:34 PM CDT
• Mesoscale Discussion 1176Jun 22, 5:00 PM CDT
• Mesoscale Discussion 1179Jun 22, 7:47 PM CDT
• Mesoscale Discussion 1180Jun 22, 8:27 PM CDT
• Mesoscale Discussion 1182Jun 22, 10:34 PM CDT
• Mesoscale Discussion 1183Jun 22, 11:48 PM CDT

488 
WWUS20 KWNS 222303
SEL7  
SPC WW 222303
KSZ000-NEZ000-230600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 347
NWS STORM PREDICTION CENTER NORMAN OK
555 PM CDT SAT JUN 22 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTHWEST KANSAS
  SOUTHWEST...CENTRAL...AND NORTHEAST NEBRASKA

* EFFECTIVE THIS SATURDAY AFTERNOON AND SUNDAY MORNING FROM 555
  PM UNTIL 100 AM CDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL TORNADOES WITH A FEW INTENSE TORNADOES POSSIBLE
  SEVERAL VERY LARGE HAIL EVENTS TO 3 INCHES IN DIAMETER POSSIBLE
  SEVERAL DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS
    TO 75 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHEAST OF
BURWELL NEBRASKA TO 60 MILES SOUTHEAST OF GOODLAND KANSAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).

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 343...WW 344...WW
345...WW 346...

DISCUSSION...TSTMS EXPECTED TO INCREASE IN COVERAGE THROUGH LATE
TNGT ALONG AND POSSIBLY N OF WSW-ENE OUTFLOW BOUNDARY THROUGH
CNTRL/ERN NEB. OTHER STORMS MAY FORM IN MORE DEEPLY-MIXED/HEATED
ENVIRONMENT ALONG LEE TROUGH IN NW KS. AMPLE SHEAR/INSTABILITY WILL
EXIST FOR SUSTAINED STORMS/SUPERCELLS IN BOTH AREAS...ALTHOUGH THE
GREATEST LIKELIHOOD FOR LOW-LVL MESOCYCLONES/TORNADOES SHOULD
DEVELOP ALONG OUTFLOW BOUNDARY LATER THIS EVE AS LLJ STRENGTHENS
WITH NOCTURNAL COOLING AND THE APPROACH OF NRN RCKYS SHORTWAVE
TROUGH.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 26020.


...CORFIDI

Tornado Watches in Nebraska, 2013Tornado Watches in Kansas, 2013Every tornado watch in 2013

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.