Tornado Watch 194

Issued

Apr 27, 2012, 2:11 PM CDT (19:11 UTC)

Expired

Apr 27, 2012, 9:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

60 kt

The Topeka radar (KTWX), 91 km from the middle of the area, began a volume at 19:14 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

30%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 603Apr 27, 10:15 AM CDT
• Mesoscale Discussion 605Apr 27, 1:29 PM CDT
• Mesoscale Discussion 607Apr 27, 3:44 PM CDT
• Mesoscale Discussion 608Apr 27, 6:07 PM CDT
• Mesoscale Discussion 609Apr 27, 7:00 PM CDT

640 
WWUS20 KWNS 271916
SEL4
SPC WW 271916
KSZ000-280200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 194
NWS STORM PREDICTION CENTER NORMAN OK
215 PM CDT FRI APR 27 2012

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

       CENTRAL AND EASTERN KANSAS

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 215 PM UNTIL 900
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF CONCORDIA
KANSAS TO 50 MILES SOUTH SOUTHWEST OF CHANUTE KANSAS.  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.

DISCUSSION...STORMS ARE EXPECTED TO CONTINUE DEVELOPING ALONG THE
DRY LINE OVER CENTRAL KS IN RESPONSE TO INCREASING FORCING FROM A
STRONG VORTICITY MAX MOVING OVER WRN KS.  HEATING IN ADVANCE OF THE
DRY LINE OVER CENTRAL INTO SOUTH CENTRAL KS IS CONTINUING TO
DESTABILIZE THE AIR MASS AND WEAKEN THE CAP...WITH RADAR AND VISIBLE
SATELLITE SHOWING EARLY STAGES OF DEEPENING CONVECTION.  CURRENT
STRONG/SEVERE STORMS OVER NORTH CENTRAL KS WILL MOVE NEWD TOWARD
NERN KS...WHILE OTHER STORMS ARE EXPECTED TO INTENSIFY OVER SOUTH
CENTRAL/SERN KS.  VAD AND WIND PROFILER DATA SUPPORT SUPERCELL
FORMATION WITH POTENTIAL FOR VERY LARGE HAIL...TORNADOES...AND
DAMAGING WIND GUSTS FROM STRONGER CELLS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 22035.


...WEISS

Tornado Watches in Kansas, 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.