Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 516
NWS Storm Prediction Center Norman OK
840 PM CST Wed Dec 23 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Central and Southern Louisiana
Southwest Mississippi
Southeast Texas
Coastal Waters
* Effective this Wednesday night and Thursday morning from 840 PM
until 200 AM CST.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...A line of thunderstorms is intensifying from southeast
Texas into central Louisiana. These storms will track across the
watch area this evening and tonight, posing a risk of locally
damaging wind gusts and perhaps a tornado or two.
The tornado watch area is approximately along and 80 statute miles
east and west of a line from 50 miles south southeast of Lake
Charles LA to 35 miles east northeast of Alexandria LA. 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.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 23030.
...Hart
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 516
NWS Storm Prediction Center Norman OK
840 PM CST Wed Dec 23 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Central and Southern Louisiana
Southwest Mississippi
Southeast Texas
Coastal Waters
* Effective this Wednesday night and Thursday morning from 840 PM
until 200 AM CST.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...A line of thunderstorms is intensifying from southeast
Texas into central Louisiana. These storms will track across the
watch area this evening and tonight, posing a risk of locally
damaging wind gusts and perhaps a tornado or two.
The tornado watch area is approximately along and 80 statute miles
east and west of a line from 50 miles south southeast of Lake
Charles LA to 35 miles east northeast of Alexandria LA. 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.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 23030.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 516 TORNADO LA MS TX CW 240240Z - 240800Z
AXIS..80 STATUTE MILES EAST AND WEST OF LINE..
50SSE LCH/LAKE CHARLES LA/ - 35ENE ESF/ALEXANDRIA LA/
..AVIATION COORDS.. 70NM E/W /42SSE LCH - 43ENE AEX/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 23030.
LAT...LON 29459423 31599311 31599039 29459157
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 516 Status Report Messages:
STATUS REPORT #2 ON WW 516
VALID 240745Z - 240800Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SE 7R4 TO
45 ESE LFT.
WW 516 WILL BE ALLOWED TO EXPIRE AT 240800Z.
..SMITH..12/24/20
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 516
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-007-063-093-099-101-105-117-240800-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION LIVINGSTON
ST. JAMES ST. MARTIN ST. MARY
TANGIPAHOA WASHINGTON
$$
GMZ455-240800-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 516
VALID 240340Z - 240440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 WSW BPT
TO 20 NNE BPT TO 25 SSW POE TO 25 ESE POE TO 10 NNE ESF TO 25 NNE
ESF.
..JEWELL..12/24/20
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 516
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-003-005-007-009-011-019-023-025-029-033-037-039-045-047-
053-055-063-077-079-091-093-097-099-101-105-113-121-125-
240440-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ALLEN ASCENSION
ASSUMPTION AVOYELLES BEAUREGARD
CALCASIEU CAMERON CATAHOULA
CONCORDIA EAST BATON ROUGE EAST FELICIANA
EVANGELINE IBERIA IBERVILLE
JEFFERSON DAVIS LAFAYETTE LIVINGSTON
POINTE COUPEE RAPIDES ST. HELENA
ST. JAMES ST. LANDRY ST. MARTIN
ST. MARY TANGIPAHOA VERMILION
WEST BATON ROUGE WEST FELICIANA
$$
MSC001-005-037-063-085-113-157-240440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE FRANKLIN
JEFFERSON LINCOLN PIKE
WILKINSON
$$
TXC245-361-240440-
TX
. TEXAS COUNTIES INCLUDED ARE
JEFFERSON ORANGE
$$
GMZ430-432-435-450-452-455-240440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
SABINE LAKE
CALCASIEU LAKE
VERMILION BAY
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
weather.gov 
@NWSSPC
