Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 494
NWS Storm Prediction Center Norman OK
235 PM CDT Wed Sep 23 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southern and Eastern Louisiana
Southern Mississippi
* Effective this Wednesday afternoon and evening from 235 PM
until 1000 PM CDT.
* Primary threats include...
A couple tornadoes possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...The post-tropical remnants of Beta will continue to move
northeastward across the region, with strong low-level shear and a
moist environment conducive for a risk for a couple of brief
tornadoes.
The tornado watch area is approximately along and 35 statute miles
north and south of a line from 60 miles southwest of Natchez MS to
15 miles north of Mc Comb 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 0.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 20020.
...Guyer
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 494
NWS Storm Prediction Center Norman OK
235 PM CDT Wed Sep 23 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southern and Eastern Louisiana
Southern Mississippi
* Effective this Wednesday afternoon and evening from 235 PM
until 1000 PM CDT.
* Primary threats include...
A couple tornadoes possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...The post-tropical remnants of Beta will continue to move
northeastward across the region, with strong low-level shear and a
moist environment conducive for a risk for a couple of brief
tornadoes.
The tornado watch area is approximately along and 35 statute miles
north and south of a line from 60 miles southwest of Natchez MS to
15 miles north of Mc Comb 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 0.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 20020.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 494 TORNADO LA MS 231935Z - 240300Z
AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
60SW HEZ/NATCHEZ MS/ - 15N MCB/MC COMB MS/
..AVIATION COORDS.. 30NM N/S /29ESE AEX - 12WNW MCB/
HAIL SURFACE AND ALOFT..0.5 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 20020.
LAT...LON 31519202 31909047 30899047 30509202
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 494 Status Report Messages:
STATUS REPORT #4 ON WW 494
VALID 240030Z - 240140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SE ESF TO
10 W HEZ.
..SPC..09/24/20
ATTN...WFO...LCH...JAN...LIX...
&&
STATUS REPORT FOR WT 494
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC009-033-037-077-091-097-121-125-240140-
LA
. LOUISIANA PARISHES INCLUDED ARE
AVOYELLES EAST BATON ROUGE EAST FELICIANA
POINTE COUPEE ST. HELENA ST. LANDRY
WEST BATON ROUGE WEST FELICIANA
$$
MSC001-005-029-037-063-085-113-157-240140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE COPIAH
FRANKLIN JEFFERSON LINCOLN
PIKE WILKINSON
$$
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.
$$
STATUS REPORT #3 ON WW 494
VALID 232325Z - 240040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..09/23/20
ATTN...WFO...LCH...JAN...LIX...
&&
STATUS REPORT FOR WT 494
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC009-025-029-033-037-077-091-097-121-125-240040-
LA
. LOUISIANA PARISHES INCLUDED ARE
AVOYELLES CATAHOULA CONCORDIA
EAST BATON ROUGE EAST FELICIANA POINTE COUPEE
ST. HELENA ST. LANDRY WEST BATON ROUGE
WEST FELICIANA
$$
MSC001-005-029-037-063-085-113-157-240040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE COPIAH
FRANKLIN JEFFERSON LINCOLN
PIKE WILKINSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 494
VALID 232230Z - 232340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..09/23/20
ATTN...WFO...LCH...JAN...LIX...
&&
STATUS REPORT FOR WT 494
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC009-025-029-033-037-077-091-097-121-125-232340-
LA
. LOUISIANA PARISHES INCLUDED ARE
AVOYELLES CATAHOULA CONCORDIA
EAST BATON ROUGE EAST FELICIANA POINTE COUPEE
ST. HELENA ST. LANDRY WEST BATON ROUGE
WEST FELICIANA
$$
MSC001-005-029-037-063-085-113-157-232340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE COPIAH
FRANKLIN JEFFERSON LINCOLN
PIKE WILKINSON
$$
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.
$$
STATUS REPORT #1 ON WW 494
VALID 232135Z - 232240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..09/23/20
ATTN...WFO...LCH...JAN...LIX...
&&
STATUS REPORT FOR WT 494
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC009-025-029-033-037-077-091-097-121-125-232240-
LA
. LOUISIANA PARISHES INCLUDED ARE
AVOYELLES CATAHOULA CONCORDIA
EAST BATON ROUGE EAST FELICIANA POINTE COUPEE
ST. HELENA ST. LANDRY WEST BATON ROUGE
WEST FELICIANA
$$
MSC001-005-029-037-063-085-113-157-232240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE COPIAH
FRANKLIN JEFFERSON LINCOLN
PIKE WILKINSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (30%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (<5%)
|
Hail
Probability of 10 or more severe hail events
|
Low (<5%)
|
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 (30%)
|
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
