Tornado Watch 543

Issued

Nov 17, 2015, 4:48 AM CST (10:48 UTC)

Expired

Nov 17, 2015, 9:00 AM CST

In force

4 hr

Issued by

the Storm Prediction Center

Largest hail expected

0.5 in

Strongest gust expected

60 kt

The Dallas/Ft Worth radar (KFWS), 160 km from the middle of the area, began a volume at 10:50 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

30%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

50%

• Mesoscale Discussion 1962Nov 17, 4:18 AM CST
• Mesoscale Discussion 1963Nov 17, 4:35 AM CST
• Mesoscale Discussion 1965Nov 17, 8:24 AM CST

597 
WWUS20 KWNS 171045
SEL3  
SPC WW 171045
ARZ000-OKZ000-TXZ000-171500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 543
NWS STORM PREDICTION CENTER NORMAN OK
445 AM CST TUE NOV 17 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  SOUTHWEST ARKANSAS
  SOUTHEAST OKLAHOMA
  EAST TEXAS

* EFFECTIVE THIS TUESDAY MORNING FROM 445 AM UNTIL 900 AM CST.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...A LINE OF STRONG/SEVERE THUNDERSTORMS OVER CENTRAL TX WILL
SPREAD EASTWARD ACROSS THE WATCH AREA THIS MORNING...WITH ISOLATED
THUNDERSTORMS FORMING AHEAD OF THE LINE AS WELL.  WIND PROFILES ARE
FAVORABLE FOR AN ISOLATED TORNADO OR TWO...ALONG WITH DAMAGING WIND
GUSTS IN THE STRONGER CELLS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 65 MILES WEST SOUTHWEST OF
LUFKIN TEXAS TO 35 MILES NORTHEAST OF PARIS TEXAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU3).

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 542...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 24035.


...HART

Tornado Watches in Texas, 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.