Tornado Watch 214

Issued

Apr 30, 2012, 7:30 PM CDT (00:30 UTC)

Expired

May 1, 2012, 2:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

65 kt

The Wichita radar (KICT), 76 km from the middle of the area, began a volume at 00:32 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

50%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

90%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 635Apr 30, 5:19 PM CDT
• Mesoscale Discussion 637Apr 30, 6:55 PM CDT
• Mesoscale Discussion 639Apr 30, 8:55 PM CDT
• Mesoscale Discussion 641Apr 30, 11:28 PM CDT
• Mesoscale Discussion 642May 1, 1:19 AM CDT

666 
WWUS20 KWNS 010037
SEL4
SPC WW 010037
ARZ000-KSZ000-MOZ000-OKZ000-010700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 214
NWS STORM PREDICTION CENTER NORMAN OK
730 PM CDT MON APR 30 2012

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

       FAR NORTHWEST ARKANSAS
       SOUTH CENTRAL AND SOUTHEASTERN KANSAS
       SOUTHWEST MISSOURI
       NORTHERN OKLAHOMA

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 730 PM UNTIL
200 AM CDT.

TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 5 MILES NORTHWEST OF
MEDICINE LODGE KANSAS TO 15 MILES EAST NORTHEAST OF MONETT
MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 208...WW 209...WW
210...WW 211...WW 212...WW 213...

DISCUSSION...TSTMS...INCLUDING A FEW SUSTAINED SUPERCELLS...EXPECTED
TO MOVE/DEVELOP ESE ALONG WARM FRONT FROM SW AND S CNTRL KS INTO
PARTS OF SE KS AND NRN/NERN OK LATER THIS EVE AS SLY LLJ STRENGTHENS
AND SLIGHTLY VEERS IN RESPONSE TO BOTH DIURNAL CYCLE AND CONTINUED
EWD MOVEMENT OF UPR IMPULSE NOW ENTERING SW KS.  MOIST LWR
TROPOSPHERIC ENVIRONMENT /PER 00Z OKC RAOB/ AND MODEST EXPECTED
INCREASE IN WLY 700-500 MB FLOW SUGGEST POTENTIAL FOR A COUPLE
TORNADOES IN ADDITION TO LARGE HAIL/DMGG WIND.  WIND THREAT MAY
INCREASE RELATIVE TO OTHER SVR THREATS LATER TNGT IF STORMS EVOLVE
INTO A SQLN/QLCS...AS MIGHT OCCUR GIVEN CURRENT CONCENTRATION OF
STORMS NOW ENTERING S CNTRL KS FROM THE DDC AREA.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 27030.


...CORFIDI/EDWARDS

Tornado Watches in Kansas, 2012Tornado Watches in Oklahoma, 2012Tornado Watches in Missouri, 2012Every tornado 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.