Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 101
NWS Storm Prediction Center Norman OK
600 AM CDT Wed Apr 10 2024
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southeast Louisiana
Central and Southern Mississippi
Coastal Waters
* Effective this Wednesday morning and afternoon from 600 AM
until 100 PM CDT.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Widespread damaging winds and isolated significant gusts to 80
mph likely
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...A destabilizing airmass across the central Gulf Coast will
support an increasing severe thunderstorm and tornado risk this
morning into the midday. The tornado risk will likely maximize with
any supercells that develop within the warm sector as the marine
warm front advances northward. A squall line will move west to east
across the area with a risk for damaging gusts and the tornado risk
will likely focus with any sustained mesovortex or embedded
supercell.
The tornado watch area is approximately along and 85 statute miles
east and west of a line from 95 miles northwest of Meridian MS to 45
miles west southwest of Boothville LA. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU1).
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 99...WW 100...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 25040.
...Smith
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 101 TORNADO LA MS CW 101100Z - 101800Z
AXIS..85 STATUTE MILES EAST AND WEST OF LINE..
95NW MEI/MERIDIAN MS/ - 45WSW BVE/BOOTHVILLE LA/
..AVIATION COORDS.. 75NM E/W /21ESE SQS - 6S LEV/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25040.
LAT...LON 33298844 29078868 29079150 33299138
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 101 Status Report Messages:
STATUS REPORT #4 ON WW 101
VALID 101650Z - 101740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ESE 7R4
TO 35 SSE ASD TO 20 NNE GPT TO 30 E PIB TO 55 SSE MEI.
..LEITMAN..04/10/24
ATTN...WFO...LIX...JAN...MOB...
&&
STATUS REPORT FOR WT 101
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC051-057-075-089-109-101740-
LA
. LOUISIANA PARISHES INCLUDED ARE
JEFFERSON LAFOURCHE PLAQUEMINES
ST. CHARLES TERREBONNE
$$
MSC039-041-059-101740-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
GEORGE GREENE JACKSON
$$
GMZ532-536-538-550-552-555-557-101740-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
MISSISSIPPI SOUND
CHANDELEUR SOUND
BRETON SOUND
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
COASTAL WATERS FROM BOOTHVILLE LA TO SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND 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 101
VALID 101540Z - 101640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ESE LFT
TO 15 N ASD TO 20 W PIB TO 70 W MEI TO 30 W TCL.
..LEITMAN..04/10/24
ATTN...WFO...LIX...JAN...MOB...
&&
STATUS REPORT FOR WT 101
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-007-051-057-071-075-087-089-093-095-103-109-101640-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION JEFFERSON
LAFOURCHE ORLEANS PLAQUEMINES
ST. BERNARD ST. CHARLES ST. JAMES
ST. JOHN THE BAPTIST ST. TAMMANY TERREBONNE
$$
MSC023-031-035-039-041-045-047-059-061-067-069-073-075-099-101-
109-111-121-123-129-131-153-101640-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
CLARKE COVINGTON FORREST
GEORGE GREENE HANCOCK
HARRISON JACKSON JASPER
JONES KEMPER LAMAR
LAUDERDALE NESHOBA NEWTON
PEARL RIVER PERRY RANKIN
SCOTT SMITH STONE
WAYNE
$$
GMZ530-532-534-536-538-550-552-555-557-101640-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
MISSISSIPPI SOUND
LAKE BORGNE
CHANDELEUR SOUND
BRETON SOUND
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
COASTAL WATERS FROM BOOTHVILLE LA TO SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND 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 101
VALID 101445Z - 101540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE LFT TO
35 NNW MSY TO 30 NW ASD TO 25 NNE MCB TO 35 NE HEZ.
..LEITMAN..04/10/24
ATTN...WFO...LIX...JAN...MOB...
&&
STATUS REPORT FOR WT 101
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-007-047-051-057-063-071-075-087-089-093-095-103-109-117-
101540-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION IBERVILLE
JEFFERSON LAFOURCHE LIVINGSTON
ORLEANS PLAQUEMINES ST. BERNARD
ST. CHARLES ST. JAMES ST. JOHN THE BAPTIST
ST. TAMMANY TERREBONNE WASHINGTON
$$
MSC007-019-023-025-029-031-035-039-041-045-047-049-059-061-065-
067-069-073-075-077-079-087-089-091-099-101-103-105-109-111-121-
123-127-129-131-147-153-159-101540-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CHOCTAW CLARKE
CLAY COPIAH COVINGTON
FORREST GEORGE GREENE
HANCOCK HARRISON HINDS
JACKSON JASPER JEFFERSON DAVIS
JONES KEMPER LAMAR
LAUDERDALE LAWRENCE LEAKE
LOWNDES MADISON MARION
NESHOBA NEWTON NOXUBEE
OKTIBBEHA PEARL RIVER PERRY
RANKIN SCOTT SIMPSON
SMITH STONE WALTHALL
WAYNE WINSTON
$$
GMZ530-532-534-536-538-550-552-555-557-101540-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
MISSISSIPPI SOUND
LAKE BORGNE
CHANDELEUR SOUND
BRETON SOUND
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
COASTAL WATERS FROM BOOTHVILLE LA TO SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND 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 101
VALID 101330Z - 101440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LEITMAN..04/10/24
ATTN...WFO...LIX...JAN...MOB...
&&
STATUS REPORT FOR WT 101
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-007-029-033-037-047-051-057-063-071-075-077-087-089-091-
093-095-103-105-109-117-121-125-101440-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION CONCORDIA
EAST BATON ROUGE EAST FELICIANA IBERVILLE
JEFFERSON LAFOURCHE LIVINGSTON
ORLEANS PLAQUEMINES POINTE COUPEE
ST. BERNARD ST. CHARLES ST. HELENA
ST. JAMES ST. JOHN THE BAPTISTST. TAMMANY
TANGIPAHOA TERREBONNE WASHINGTON
WEST BATON ROUGE WEST FELICIANA
$$
MSC001-005-007-019-023-025-029-031-035-037-039-041-045-047-049-
059-061-063-065-067-069-073-075-077-079-085-087-089-091-099-101-
103-105-109-111-113-121-123-127-129-131-147-153-157-159-
101440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE ATTALA
CHOCTAW CLARKE CLAY
COPIAH COVINGTON FORREST
FRANKLIN GEORGE GREENE
HANCOCK HARRISON HINDS
JACKSON JASPER JEFFERSON
JEFFERSON DAVIS JONES KEMPER
LAMAR LAUDERDALE LAWRENCE
LEAKE LINCOLN LOWNDES
MADISON MARION NESHOBA
NEWTON NOXUBEE OKTIBBEHA
PEARL RIVER PERRY PIKE
RANKIN SCOTT SIMPSON
SMITH STONE WALTHALL
WAYNE WILKINSON WINSTON
$$
GMZ530-532-534-536-538-550-552-555-557-101440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
MISSISSIPPI SOUND
LAKE BORGNE
CHANDELEUR SOUND
BRETON SOUND
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
COASTAL WATERS FROM BOOTHVILLE LA TO SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND 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
|
High (70%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (50%)
|
Wind
Probability of 10 or more severe wind events
|
High (80%)
|
Probability of 1 or more wind events > 65 knots
|
High (70%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
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.