Severe Thunderstorm Watch 85

Issued

Apr 11, 2016, 1:38 PM CDT (18:38 UTC)

Expired

Apr 11, 2016, 11:00 PM CDT

In force

9 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

60 kt

The Dallas/Ft Worth radar (KFWS), 132 km from the middle of the area, began a volume at 18:41 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

20%

One or more EF2 to EF5 tornadoes

5%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

50%

One or more hailstones of 2 inches or more

40%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 361Apr 11, 11:48 AM CDT
• Mesoscale Discussion 363Apr 11, 12:39 PM CDT
• Mesoscale Discussion 365Apr 11, 3:26 PM CDT
• Mesoscale Discussion 367Apr 11, 4:49 PM CDT
• Mesoscale Discussion 368Apr 11, 5:27 PM CDT
• Mesoscale Discussion 371Apr 11, 8:38 PM CDT

043 
WWUS20 KWNS 111835
SEL5  
SPC WW 111835
ARZ000-OKZ000-TXZ000-120200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 85
NWS STORM PREDICTION CENTER NORMAN OK
135 PM CDT MON APR 11 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  PARTS OF SOUTHWESTERN ARKANSAS
  SOUTHERN OKLAHOMA
  PORTIONS OF NORTHERN AND EASTERN TEXAS

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 135 PM UNTIL
  900 PM CDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3
    INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  A TORNADO OR TWO POSSIBLE

SUMMARY...THUNDERSTORMS HAVE BEGUN DEVELOPING NEAR AND JUST NORTH OF
THE RED RIVER EARLY THIS AFTERNOON...WITH CONTINUED DEVELOPMENT NEAR
AND SOUTH OF THE RIVER INTO NORTHERN -- AND EVENTUALLY EASTERN --
TEXAS EXPECTED OVER THE NEXT FEW HOURS.  VERY LARGE HAIL CAN BE
EXPECTED WITH THE STRONGEST STORMS...ALONG WITH LOCALLY DAMAGING
WINDS AND POSSIBLY A TORNADO OR TWO.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTHWEST
OF FORT WORTH TEXAS TO 55 MILES SOUTH OF DE QUEEN ARKANSAS.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 84...

AVIATION...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 550. MEAN STORM
MOTION VECTOR 26035.


...GOSS

Severe Thunderstorm Watches in Texas, 2016Severe Thunderstorm Watches in Oklahoma, 2016Every severe thunderstorm 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.