Tornado Watch 126

Issued

Apr 29, 2016, 1:57 PM CDT (18:57 UTC)

Expired

Apr 29, 2016, 10:00 PM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Norman radar (KTLX), 77 km from the middle of the area, began a volume at 18:58 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

60%

One or more EF2 to EF5 tornadoes

20%

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

50%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 499Apr 29, 1:40 PM CDT
• Mesoscale Discussion 501Apr 29, 3:56 PM CDT
• Mesoscale Discussion 505Apr 29, 6:16 PM CDT

481 
WWUS20 KWNS 291855
SEL6  
SPC WW 291855
OKZ000-TXZ000-300300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 126
NWS STORM PREDICTION CENTER NORMAN OK
155 PM CDT FRI APR 29 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  PARTS OF SOUTHERN AND CENTRAL OKLAHOMA
  EXTREME NORTHWEST TEXAS

* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 155 PM UNTIL
  1000 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES LIKELY
  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
    TO 2.5 INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...STORMS ARE INTENSIFYING IN SOUTHWEST OKLAHOMA...AND
ADDITIONAL STORM DEVELOPMENT IS POSSIBLE A LITTLE FARTHER EAST THIS
AFTERNOON.  THE STORMS WILL LIKELY SPREAD EASTWARD AND NORTHEASTWARD
TOWARD CENTRAL OKLAHOMA THROUGH THE AFTERNOON...WHILE OTHER STORMS
MOVE INTO SOUTH CENTRAL AND SOUTHEAST OKLAHOMA FROM NORTH TEXAS. 
THE STORM ENVIRONMENT IS SUPPORTIVE OF THE RISK FOR A FEW TORNADOES
AND ISOLATED VERY LARGE HAIL...IN ADDITION TO A FEW DAMAGING GUSTS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 5 MILES NORTH OF ALTUS
OKLAHOMA TO 30 MILES SOUTH SOUTHEAST OF MCALESTER OKLAHOMA.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 124...WW 125...

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
550. MEAN STORM MOTION VECTOR 25030.


...THOMPSON

Tornado Watches in Oklahoma, 2016Tornado Watches in Texas, 2016Every tornado watch in 2016

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.