Tornado Watch 170

Issued

Apr 14, 2012, 5:24 PM CDT (22:24 UTC)

Expired

Apr 15, 2012, 2:00 AM CDT

In force

9 hr

Issued by

the Storm Prediction Center

Particularly dangerous situation

Yes

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Wichita radar (KICT), 87 km from the middle of the area, began a volume at 22:23 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

80%

One or more EF2 to EF5 tornadoes

60%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

60%

Ten or more severe hail reports

80%

One or more hailstones of 2 inches or more

60%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 526Apr 14, 1:41 PM CDT
• Mesoscale Discussion 527Apr 14, 1:44 PM CDT
• Mesoscale Discussion 529Apr 14, 2:28 PM CDT
• Mesoscale Discussion 530Apr 14, 3:01 PM CDT
• Mesoscale Discussion 531Apr 14, 3:48 PM CDT
• Mesoscale Discussion 532Apr 14, 4:47 PM CDT
• Mesoscale Discussion 533Apr 14, 4:54 PM CDT
• Mesoscale Discussion 535Apr 14, 7:15 PM CDT
• Mesoscale Discussion 540Apr 14, 10:37 PM CDT
• Mesoscale Discussion 542Apr 14, 11:48 PM CDT

253 
WWUS20 KWNS 142227
SEL0
SPC WW 142227
KSZ000-NEZ000-OKZ000-TXZ000-150700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 170
NWS STORM PREDICTION CENTER NORMAN OK
525 PM CDT SAT APR 14 2012

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

       KANSAS
       FAR SOUTHWEST NEBRASKA
       WESTERN AND NORTHERN OKLAHOMA
       EASTERN TEXAS PANHANDLE

EFFECTIVE THIS SATURDAY AFTERNOON AND SUNDAY MORNING FROM 525 PM
UNTIL 200 AM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 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 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF
CONCORDIA KANSAS TO 65 MILES SOUTH SOUTHWEST OF ENID OKLAHOMA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 165...WW 166...WW
167...WW 169...

DISCUSSION...SUPERCELLS WITH A HISTORY OF TORNADOES FROM NW HUT TO S
OF GAG ARE EXPECTED TO MOVE NEWD WITHIN A MODERATELY UNSTABLE AND
STRONGLY SHEARED ENVIRONMENT.  THE STRONGEST STORMS WILL REMAIN
CAPABLE OF SIGNIFICANT TORNADOES AND LARGE HAIL INTO TONIGHT.
ADDITIONAL STORMS WILL BE POSSIBLE THIS EVENING ALONG STATIONARY OR
SLOWLY RETREATING DRYLINE OVER WRN KS INTO THE ERN TX PNHDL WHERE
ENVIRONMENT WILL SUPPORT TORNADIC SUPERCELLS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24040.


...MEAD

Tornado Watches in Kansas, 2012Tornado Watches in Oklahoma, 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.