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SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 28
NWS Storm Prediction Center Norman OK
525 PM CST Tue Jan 24 2023
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southern Louisiana
Coastal Waters
* Effective this Tuesday afternoon and Wednesday morning from 525
PM until 100 AM CST.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...The potential for storms capable of producing tornadoes
and damaging winds will continue to develop east-northeastward
across southern Louisiana this evening as a moist and unstable air
mass works its way inland/northward in the presence of very strong
winds through a deep layer.
The tornado watch area is approximately along and 70 statute miles
north and south of a line from 40 miles west of Lafayette LA to 30
miles east southeast of New Orleans LA. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU8).
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 27...
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 500. Mean
storm motion vector 24040.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 28 TORNADO LA CW 242325Z - 250700Z
AXIS..70 STATUTE MILES NORTH AND SOUTH OF LINE..
40W LFT/LAFAYETTE LA/ - 30ESE MSY/NEW ORLEANS LA/
..AVIATION COORDS.. 60NM N/S /24E LCH - 11E HRV/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24040.
LAT...LON 31219265 30858979 28828979 29199265
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 28 Status Report Messages:
STATUS REPORT #7 ON WW 28
VALID 250630Z - 250740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 65 SW BVE TO
20 SSE PIB.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 101
..MOORE..01/25/23
ATTN...WFO...LCH...LIX...
&&
STATUS REPORT FOR WT 28
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC075-250740-
LA
. LOUISIANA PARISHES INCLUDED ARE
PLAQUEMINES
$$
GMZ552-250740-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON LOUISIANA OUT 20 NM
$$
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.
$$
STATUS REPORT #6 ON WW 28
VALID 250520Z - 250640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 65 S HUM TO
25 SSE MSY TO 25 WSW PIB.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 101
..MOORE..01/25/23
ATTN...WFO...LCH...LIX...
&&
STATUS REPORT FOR WT 28
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC071-075-087-103-250640-
LA
. LOUISIANA PARISHES INCLUDED ARE
ORLEANS PLAQUEMINES ST. BERNARD
ST. TAMMANY
$$
GMZ534-552-250640-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE BORGNE
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON LOUISIANA 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 #5 ON WW 28
VALID 250435Z - 250540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 75 SSW HUM
TO 15 SSW HUM TO 15 WSW MSY TO 25 NW ASD TO 35 SE MCB TO 25 E MCB.
..FLOURNOY..01/25/23
ATTN...WFO...LCH...LIX...
&&
STATUS REPORT FOR WT 28
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC051-057-071-075-087-089-103-109-117-250540-
LA
. LOUISIANA PARISHES INCLUDED ARE
JEFFERSON LAFOURCHE ORLEANS
PLAQUEMINES ST. BERNARD ST. CHARLES
ST. TAMMANY TERREBONNE WASHINGTON
$$
GMZ530-534-550-552-250540-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
LAKE BORGNE
COASTAL WATERS FROM PORT FOURCHON LA TO LOWER ATCHAFALAYA RIVER
LA OUT 20 NM
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON LOUISIANA OUT 20 NM
$$
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.
$$
STATUS REPORT #4 ON WW 28
VALID 250320Z - 250440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 70 SSE 7R4
TO 40 WSW HUM TO 40 NNW HUM TO 35 SSW MCB TO 30 S MCB TO 10 NE
MCB.
..FLOURNOY..01/25/23
ATTN...WFO...LCH...LIX...
&&
STATUS REPORT FOR WT 28
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-051-057-063-071-075-087-089-093-095-103-105-109-117-
250440-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION JEFFERSON LAFOURCHE
LIVINGSTON ORLEANS PLAQUEMINES
ST. BERNARD ST. CHARLES ST. JAMES
ST. JOHN THE BAPTIST ST. TAMMANY TANGIPAHOA
TERREBONNE WASHINGTON
$$
GMZ530-534-550-552-250440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
LAKE BORGNE
COASTAL WATERS FROM PORT FOURCHON LA TO LOWER ATCHAFALAYA RIVER
LA OUT 20 NM
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON LOUISIANA 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 #3 ON WW 28
VALID 250230Z - 250340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 S 7R4 TO
30 ESE 7R4 TO 40 E LFT TO 55 NE LFT TO 45 SW MCB TO 20 WNW MCB.
..FLOURNOY..01/25/23
ATTN...WFO...LCH...LIX...
&&
STATUS REPORT FOR WT 28
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-007-033-047-051-057-063-071-075-087-089-091-093-095-101-
103-105-109-117-250340-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION EAST BATON ROUGE
IBERVILLE JEFFERSON LAFOURCHE
LIVINGSTON ORLEANS PLAQUEMINES
ST. BERNARD ST. CHARLES ST. HELENA
ST. JAMES ST. JOHN THE BAPTISTST. MARY
ST. TAMMANY TANGIPAHOA TERREBONNE
WASHINGTON
$$
GMZ455-530-534-550-552-250340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
LAKE BORGNE
COASTAL WATERS FROM PORT FOURCHON LA TO LOWER ATCHAFALAYA RIVER
LA OUT 20 NM
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON LOUISIANA OUT 20 NM
$$
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.
$$
STATUS REPORT #2 ON WW 28
VALID 250130Z - 250240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 65 SSW 7R4
TO 10 S 7R4 TO 10 ENE LFT TO 50 SSW HEZ TO 25 SSW HEZ.
..FLOURNOY..01/25/23
ATTN...WFO...LCH...LIX...
&&
STATUS REPORT FOR WT 28
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-007-033-037-045-047-051-057-063-071-075-077-087-089-091-
093-095-099-101-103-105-109-117-121-125-250240-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION EAST BATON ROUGE
EAST FELICIANA IBERIA IBERVILLE
JEFFERSON LAFOURCHE LIVINGSTON
ORLEANS PLAQUEMINES POINTE COUPEE
ST. BERNARD ST. CHARLES ST. HELENA
ST. JAMES ST. JOHN THE BAPTISTST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
TERREBONNE WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
GMZ435-455-530-534-550-552-250240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
VERMILION BAY
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
LAKE BORGNE
COASTAL WATERS FROM PORT FOURCHON LA TO LOWER ATCHAFALAYA RIVER
LA OUT 20 NM
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON LOUISIANA 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 28
VALID 250035Z - 250140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 SSE LCH
TO 25 NW 7R4 TO 35 NNW LFT TO 10 ESE ESF.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 99
..FLOURNOY..01/25/23
ATTN...WFO...LCH...LIX...
&&
STATUS REPORT FOR WT 28
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-005-007-009-033-037-045-047-051-055-057-063-071-075-077-
087-089-091-093-095-097-099-101-103-105-109-113-117-121-125-
250140-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ASCENSION ASSUMPTION
AVOYELLES EAST BATON ROUGE EAST FELICIANA
IBERIA IBERVILLE JEFFERSON
LAFAYETTE LAFOURCHE LIVINGSTON
ORLEANS PLAQUEMINES POINTE COUPEE
ST. BERNARD ST. CHARLES ST. HELENA
ST. JAMES ST. JOHN THE BAPTISTST. LANDRY
ST. MARTIN ST. MARY ST. TAMMANY
TANGIPAHOA TERREBONNE VERMILION
WASHINGTON WEST BATON ROUGE WEST FELICIANA
$$
GMZ435-452-455-530-534-550-552-250140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
VERMILION BAY
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
LAKE BORGNE
COASTAL WATERS FROM PORT FOURCHON LA TO LOWER ATCHAFALAYA RIVER
LA OUT 20 NM
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON LOUISIANA OUT 20 NM
$$
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 (60%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (50%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
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
|
High (70%)
|
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.
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