Tornado Watch 569

Issued

Dec 26, 2015, 12:35 PM CST (18:35 UTC)

Expired

Dec 26, 2015, 9:45 PM CST

In force

9 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Dallas/Ft Worth radar (KFWS), 84 km from the middle of the area, began a volume at 18:36 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

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 2066Dec 26, 12:02 PM CST
• Mesoscale Discussion 2068Dec 26, 3:51 PM CST
• Mesoscale Discussion 2070Dec 26, 5:52 PM CST
• Mesoscale Discussion 2071Dec 26, 7:32 PM CST

378 
WWUS20 KWNS 261833
SEL9  
SPC WW 261833
ARZ000-OKZ000-TXZ000-270200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 569
NWS STORM PREDICTION CENTER NORMAN OK
1235 PM CST SAT DEC 26 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  WEST-CENTRAL ARKANSAS
  SOUTH-CENTRAL INTO SOUTHEAST AND EAST-CENTRAL OKLAHOMA
  NORTH-CENTRAL AND NORTHEAST TEXAS

* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 1235 PM
  UNTIL 800 PM CST.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...THUNDERSTORMS ARE EXPECTED TO GRADUALLY INCREASE IN
COVERAGE AND INTENSITY THIS AFTERNOON AHEAD OF A COLD FRONT
PROGRESSING SOUTHEAST ACROSS THE REGION.  THE ENVIRONMENT AHEAD OF
THE FRONT IS FAVORABLE FOR SUPERCELLS CAPABLE OF A FEW
TORNADOES...LARGE HAIL AND DAMAGING OUTFLOW WINDS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTHWEST OF WACO
TEXAS TO 40 MILES NORTHWEST OF FORT SMITH ARKANSAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU9).

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.

&&

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 22035.


...MEAD

Tornado Watches in Texas, 2015Tornado Watches in Oklahoma, 2015Tornado Watches in Arkansas, 2015Every tornado watch in 2015

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.