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The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 107
NWS Storm Prediction Center Norman OK
125 PM CDT Sun Apr 12 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
South-central and eastern Louisiana
Southern Mississippi
Coastal Waters
* Effective this Sunday afternoon and evening from 125 PM until
800 PM CDT.
* Primary threats include...
A few tornadoes and a couple intense tornadoes possible
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...A cluster of thunderstorms may evolve into a couple
discrete supercells with a risk for all hazards. The greatest
tornado threat should be near the Mississippi-Louisiana border area
in the late afternoon to early evening.
The tornado watch area is approximately along and 60 statute miles
north and south of a line from 30 miles northwest of Lafayette LA to
35 miles south of Pine Belt MS. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU7).
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 106...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24040.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 107 TORNADO LA MS CW 121825Z - 130100Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
30NW LFT/LAFAYETTE LA/ - 35S PIB/PINE BELT MS/
..AVIATION COORDS.. 50NM N/S /46ENE LCH - 52ESE MCB/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24040.
LAT...LON 31379234 31838933 30108933 29649234
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 107 Status Report Messages:
STATUS REPORT #6 ON WW 107
VALID 130040Z - 130140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..COOK..04/13/20
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 107
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-005-007-033-037-045-047-055-063-077-091-093-095-097-099-
101-103-105-113-117-121-125-130140-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ASCENSION ASSUMPTION
EAST BATON ROUGE EAST FELICIANA IBERIA
IBERVILLE LAFAYETTE LIVINGSTON
POINTE COUPEE ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. LANDRY ST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
VERMILION WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC005-031-035-037-065-067-073-077-085-091-109-113-147-157-
130140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
AMITE COVINGTON FORREST
FRANKLIN JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PIKE
WALTHALL WILKINSON
$$
GMZ435-530-130140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
VERMILION BAY
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 107
VALID 122335Z - 130040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..COOK..04/12/20
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 107
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-005-007-033-037-045-047-055-063-077-091-093-095-097-099-
101-103-105-113-117-121-125-130040-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ASCENSION ASSUMPTION
EAST BATON ROUGE EAST FELICIANA IBERIA
IBERVILLE LAFAYETTE LIVINGSTON
POINTE COUPEE ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. LANDRY ST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
VERMILION WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC005-031-035-037-065-067-073-077-085-091-109-113-147-157-
130040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
AMITE COVINGTON FORREST
FRANKLIN JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PIKE
WALTHALL WILKINSON
$$
GMZ435-530-130040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
VERMILION BAY
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 107
VALID 122300Z - 130040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 364
..COOK..04/12/20
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 107
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-005-007-033-037-045-047-055-063-077-091-093-095-097-099-
101-103-105-113-117-121-125-130040-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ASCENSION ASSUMPTION
EAST BATON ROUGE EAST FELICIANA IBERIA
IBERVILLE LAFAYETTE LIVINGSTON
POINTE COUPEE ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. LANDRY ST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
VERMILION WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC005-031-035-037-065-067-073-077-085-091-109-113-147-157-
130040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
AMITE COVINGTON FORREST
FRANKLIN JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PIKE
WALTHALL WILKINSON
$$
GMZ435-530-130040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
VERMILION BAY
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 107
VALID 122150Z - 122240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 357
..COOK..04/12/20
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 107
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-005-007-033-037-045-047-055-063-077-091-093-095-097-099-
101-103-105-113-117-121-125-122240-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ASCENSION ASSUMPTION
EAST BATON ROUGE EAST FELICIANA IBERIA
IBERVILLE LAFAYETTE LIVINGSTON
POINTE COUPEE ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. LANDRY ST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
VERMILION WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC005-031-035-037-065-067-073-077-085-091-109-113-147-157-
122240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
AMITE COVINGTON FORREST
FRANKLIN JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PIKE
WALTHALL WILKINSON
$$
GMZ435-530-122240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
VERMILION BAY
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 107
VALID 122025Z - 122140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BENTLEY..04/12/20
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 107
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-005-007-033-037-045-047-055-063-077-091-093-095-097-099-
101-103-105-113-117-121-125-122140-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ASCENSION ASSUMPTION
EAST BATON ROUGE EAST FELICIANA IBERIA
IBERVILLE LAFAYETTE LIVINGSTON
POINTE COUPEE ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. LANDRY ST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
VERMILION WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC005-031-035-037-065-067-073-077-085-091-109-113-147-157-
122140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
AMITE COVINGTON FORREST
FRANKLIN JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PIKE
WALTHALL WILKINSON
$$
GMZ435-530-122140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
VERMILION BAY
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 107
VALID 121955Z - 122040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BENTLEY..04/12/20
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 107
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-005-007-033-037-045-047-055-063-077-091-093-095-097-099-
101-103-105-113-117-121-125-122040-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ASCENSION ASSUMPTION
EAST BATON ROUGE EAST FELICIANA IBERIA
IBERVILLE LAFAYETTE LIVINGSTON
POINTE COUPEE ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. LANDRY ST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
VERMILION WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC005-031-035-037-065-067-073-077-085-091-109-113-147-157-
122040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
AMITE COVINGTON FORREST
FRANKLIN JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PIKE
WALTHALL WILKINSON
$$
GMZ435-530-122040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
VERMILION BAY
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (50%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (30%)
|
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
|
Mod (30%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (30%)
|
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.