Tornado Watch 504

Issued

Nov 29, 2016, 1:48 PM CST (19:48 UTC)

Expired

Nov 29, 2016, 9:00 PM CST

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Jackson/Brandon,MS radar (KDGX), 143 km from the middle of the area, began a volume at 19:51 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

70%

One or more EF2 to EF5 tornadoes

40%

Ten or more severe wind reports

40%

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

10%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 1838Nov 29, 9:51 AM CST
• Mesoscale Discussion 1839Nov 29, 12:38 PM CST
• Mesoscale Discussion 1840Nov 29, 3:08 PM CST
• Mesoscale Discussion 1841Nov 29, 4:20 PM CST
• Mesoscale Discussion 1845Nov 29, 6:06 PM CST
• Mesoscale Discussion 1846Nov 29, 6:43 PM CST
• Mesoscale Discussion 1847Nov 29, 8:03 PM CST

926 
WWUS20 KWNS 291946
SEL4  
SPC WW 291946
ARZ000-LAZ000-MSZ000-300300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 504
NWS STORM PREDICTION CENTER NORMAN OK
145 PM CST TUE NOV 29 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  EXTREME SOUTHEAST ARKANSAS
  PARTS OF NORTH CENTRAL AND NORTHEAST LOUISIANA
  PARTS OF WESTERNA AND CENTRAL MISSISSIPPI

* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 145 PM UNTIL
  900 PM CST.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

SUMMARY...WIDELY SCATTERED SUPERCELLS ARE EXPECTED THIS AFTERNOON
FROM LOUISIANA INTO WESTERN MISSISSIPPI...WITH A GRADUAL INCREASE IN
STORM COVERAGE AND INTENSITY EXPECTED THIS EVENING.  INITIALLY...THE
SUPERCELLS WILL BE CAPABLE OF PRODUCING ISOLATED LARGE HAIL AND
DAMAGING WINDS...AS WELL AS A WEAK TORNADO OR TWO.  BY LATE EVENING...
THE STORM ENVIRONMENT WILL BECOME MORE FAVORABLE FOR SUPERCELLS WITH
POTENTIALLY A COUPLE OF STRONG TORNADOES.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES EAST SOUTHEAST OF NATCHITOCHES
LA TO 30 MILES NORTHEAST OF GREENWOOD MS. FOR A COMPLETE DEPICTION
OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU4).

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 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN
STORM MOTION VECTOR 24045.

...THOMPSON

Tornado Watches in Mississippi, 2016Tornado Watches in Louisiana, 2016Tornado Watches in Arkansas, 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.