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1 year 8 months ago
WW 0715 Status Updates
STATUS REPORT ON WW 715
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SE HSV TO
25 NE HSV TO 15 W CSV TO 40 NNE CSV TO 40 SSW LOZ.
..SQUITIERI..12/10/23
ATTN...WFO...HUN...LMK...JKL...OHX...
STATUS REPORT FOR WT 715
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TNC035-049-051-061-175-100440-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CUMBERLAND FENTRESS FRANKLIN
GRUNDY VAN BUREN
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.
Read more
1 year 8 months ago
WW 0715 Status Updates
STATUS REPORT ON WW 715
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SE HSV TO
25 NE HSV TO 15 W CSV TO 40 NNE CSV TO 40 SSW LOZ.
..SQUITIERI..12/10/23
ATTN...WFO...HUN...LMK...JKL...OHX...
STATUS REPORT FOR WT 715
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TNC035-049-051-061-175-100440-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CUMBERLAND FENTRESS FRANKLIN
GRUNDY VAN BUREN
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.
Read more
1 year 8 months ago
WW 0715 Status Updates
STATUS REPORT ON WW 715
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SE HSV TO
25 NE HSV TO 15 W CSV TO 40 NNE CSV TO 40 SSW LOZ.
..SQUITIERI..12/10/23
ATTN...WFO...HUN...LMK...JKL...OHX...
STATUS REPORT FOR WT 715
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TNC035-049-051-061-175-100440-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CUMBERLAND FENTRESS FRANKLIN
GRUNDY VAN BUREN
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.
Read more
1 year 8 months ago
WW 715 TORNADO AL KY TN 092120Z - 100500Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 715
NWS Storm Prediction Center Norman OK
320 PM CST Sat Dec 9 2023
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northern Alabama
Southern Kentucky
Middle Tennessee
* Effective this Saturday afternoon and evening from 320 PM until
1100 PM CST.
* Primary threats include...
A few tornadoes possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Severe thunderstorms including a few long-lived supercells
will move across the region late this afternoon and evening, with
the potential for all severe hazards including a few tornadoes as
well as damaging winds and some hail.
The tornado watch area is approximately along and 40 statute miles
east and west of a line from 30 miles northwest of London KY to 30
miles south southeast of Muscle Shoals AL. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU5).
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 714...
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 24040.
...Guyer
Read more
1 year 8 months ago
WW 0716 Status Updates
STATUS REPORT ON WW 716
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE ESF
TO 20 WSW HEZ TO 20 NE HEZ TO 70 NE HEZ TO 55 SSE GWO TO 45 WSW
CBM TO 25 WSW CBM TO 35 NE CBM TO 25 SSW MSL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2315
..WENDT..12/10/23
ATTN...WFO...BMX...JAN...MEG...
STATUS REPORT FOR WT 716
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC057-063-075-093-107-119-125-127-133-100440-
AL
. ALABAMA COUNTIES INCLUDED ARE
FAYETTE GREENE LAMAR
MARION PICKENS SUMTER
TUSCALOOSA WALKER WINSTON
MSC001-023-025-029-031-037-049-061-063-065-067-069-075-077-079-
085-087-099-101-103-105-121-123-127-129-159-100440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS CLARKE CLAY
COPIAH COVINGTON FRANKLIN
HINDS JASPER JEFFERSON
JEFFERSON DAVIS JONES KEMPER
LAUDERDALE LAWRENCE LEAKE
LINCOLN LOWNDES NESHOBA
Read more
1 year 8 months ago
WW 0716 Status Updates
STATUS REPORT ON WW 716
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE ESF
TO 20 WSW HEZ TO 20 NE HEZ TO 70 NE HEZ TO 55 SSE GWO TO 45 WSW
CBM TO 25 WSW CBM TO 35 NE CBM TO 25 SSW MSL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2315
..WENDT..12/10/23
ATTN...WFO...BMX...JAN...MEG...
STATUS REPORT FOR WT 716
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC057-063-075-093-107-119-125-127-133-100440-
AL
. ALABAMA COUNTIES INCLUDED ARE
FAYETTE GREENE LAMAR
MARION PICKENS SUMTER
TUSCALOOSA WALKER WINSTON
MSC001-023-025-029-031-037-049-061-063-065-067-069-075-077-079-
085-087-099-101-103-105-121-123-127-129-159-100440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS CLARKE CLAY
COPIAH COVINGTON FRANKLIN
HINDS JASPER JEFFERSON
JEFFERSON DAVIS JONES KEMPER
LAUDERDALE LAWRENCE LEAKE
LINCOLN LOWNDES NESHOBA
Read more
1 year 8 months ago
WW 0716 Status Updates
STATUS REPORT ON WW 716
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE ESF
TO 20 WSW HEZ TO 20 NE HEZ TO 70 NE HEZ TO 55 SSE GWO TO 45 WSW
CBM TO 25 WSW CBM TO 35 NE CBM TO 25 SSW MSL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2315
..WENDT..12/10/23
ATTN...WFO...BMX...JAN...MEG...
STATUS REPORT FOR WT 716
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC057-063-075-093-107-119-125-127-133-100440-
AL
. ALABAMA COUNTIES INCLUDED ARE
FAYETTE GREENE LAMAR
MARION PICKENS SUMTER
TUSCALOOSA WALKER WINSTON
MSC001-023-025-029-031-037-049-061-063-065-067-069-075-077-079-
085-087-099-101-103-105-121-123-127-129-159-100440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS CLARKE CLAY
COPIAH COVINGTON FRANKLIN
HINDS JASPER JEFFERSON
JEFFERSON DAVIS JONES KEMPER
LAUDERDALE LAWRENCE LEAKE
LINCOLN LOWNDES NESHOBA
Read more
1 year 8 months ago
WW 0716 Status Updates
STATUS REPORT ON WW 716
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE ESF
TO 20 WSW HEZ TO 20 NE HEZ TO 70 NE HEZ TO 55 SSE GWO TO 45 WSW
CBM TO 25 WSW CBM TO 35 NE CBM TO 25 SSW MSL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2315
..WENDT..12/10/23
ATTN...WFO...BMX...JAN...MEG...
STATUS REPORT FOR WT 716
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC057-063-075-093-107-119-125-127-133-100440-
AL
. ALABAMA COUNTIES INCLUDED ARE
FAYETTE GREENE LAMAR
MARION PICKENS SUMTER
TUSCALOOSA WALKER WINSTON
MSC001-023-025-029-031-037-049-061-063-065-067-069-075-077-079-
085-087-099-101-103-105-121-123-127-129-159-100440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS CLARKE CLAY
COPIAH COVINGTON FRANKLIN
HINDS JASPER JEFFERSON
JEFFERSON DAVIS JONES KEMPER
LAUDERDALE LAWRENCE LEAKE
LINCOLN LOWNDES NESHOBA
Read more
1 year 8 months ago
WW 0716 Status Updates
STATUS REPORT ON WW 716
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE ESF
TO 20 WSW HEZ TO 20 NE HEZ TO 70 NE HEZ TO 55 SSE GWO TO 45 WSW
CBM TO 25 WSW CBM TO 35 NE CBM TO 25 SSW MSL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2315
..WENDT..12/10/23
ATTN...WFO...BMX...JAN...MEG...
STATUS REPORT FOR WT 716
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC057-063-075-093-107-119-125-127-133-100440-
AL
. ALABAMA COUNTIES INCLUDED ARE
FAYETTE GREENE LAMAR
MARION PICKENS SUMTER
TUSCALOOSA WALKER WINSTON
MSC001-023-025-029-031-037-049-061-063-065-067-069-075-077-079-
085-087-099-101-103-105-121-123-127-129-159-100440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS CLARKE CLAY
COPIAH COVINGTON FRANKLIN
HINDS JASPER JEFFERSON
JEFFERSON DAVIS JONES KEMPER
LAUDERDALE LAWRENCE LEAKE
LINCOLN LOWNDES NESHOBA
Read more
1 year 8 months ago
WW 716 TORNADO AL AR LA MS 092155Z - 100600Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 716
NWS Storm Prediction Center Norman OK
355 PM CST Sat Dec 9 2023
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Western Alabama
Southeast Arkansas
Northeast Louisiana
Mississippi
* Effective this Saturday afternoon from 355 PM until Midnight
CST.
* Primary threats include...
A few tornadoes possible
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Severe storm risk including the potential for damaging
winds and some tornadoes will increase through the evening, with the
risk potentially continuing into the overnight.
The tornado watch area is approximately along and 95 statute miles
east and west of a line from Tupelo MS to 25 miles southeast of
Natchez MS. 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 714...WW 715...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24035.
...Guyer
Read more
1 year 8 months ago
WW 0715 Status Updates
STATUS REPORT ON WW 715
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 SSW MSL
TO 20 SE MSL TO 55 SE BNA TO 35 WNW CSV TO 15 SW JKL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2314
..SQUITIERI..12/10/23
ATTN...WFO...HUN...LMK...JKL...OHX...
STATUS REPORT FOR WT 715
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC079-083-089-103-100440-
AL
. ALABAMA COUNTIES INCLUDED ARE
LAWRENCE LIMESTONE MADISON
MORGAN
KYC147-100440-
KY
. KENTUCKY COUNTIES INCLUDED ARE
MCCREARY
TNC031-035-041-049-051-061-103-127-133-175-177-185-100440-
TN
. TENNESSEE COUNTIES INCLUDED ARE
COFFEE CUMBERLAND DE KALB
Read more
1 year 8 months ago
MD 2312 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR PORTIONS OF CENTRAL INTO NORTHEASTERN KENTUCKY
Mesoscale Discussion 2312
NWS Storm Prediction Center Norman OK
0559 PM CST Sat Dec 09 2023
Areas affected...portions of central into northeastern Kentucky
Concerning...Severe potential...Watch unlikely
Valid 092359Z - 100230Z
Probability of Watch Issuance...20 percent
SUMMARY...An isolated severe threat remains possible across portions
of central into northeastern Kentucky. A couple of damaging gusts
and perhaps a tornado cannot be ruled out into the early overnight
hours.
DISCUSSION...Though surface temperatures have been gradually
lowering with the onset of nocturnal cooling, low-level moisture
continues to gradually increase with ongoing warm-air advection.
Coincidentally, an increase in low-level shear has been noted as a
40 kt 850 mb jet overspreads eastern Kentucky, contributing to
enlarging/elongating hodographs. However, the nocturnal cooling is
also contributing to stabilization of the boundary layer, lowering
the confidence in effective ingestion of the more favorable SRH. At
the moment, the severe threat is expected to be isolated at best.
Nonetheless, the presence of an impressively sheared environment
suggests that a couple of damaging gusts or a tornado could manifest
from any storms that ingest surface-based parcels, even for brief
periods of time. As such, a WW issuance appears unlikely, though
conditions will continue to be monitored.
..Squitieri/Goss.. 12/09/2023
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...RLX...JKL...ILN...LMK...
LAT...LON 37738536 38518466 38678408 38728330 38528296 37998273
37608279 37418302 37318346 37478434 37738536
Read more
1 year 8 months ago
MD 2313 CONCERNING TORNADO WATCH 715... FOR PORTIONS OF NORTHERN ALABAMA INTO MIDDLE AND EASTERN TENNESSEE AND SOUTHEAST KENTUCKY
Mesoscale Discussion 2313
NWS Storm Prediction Center Norman OK
0639 PM CST Sat Dec 09 2023
Areas affected...portions of northern Alabama into middle and
eastern Tennessee and southeast Kentucky
Concerning...Tornado Watch 715...
Valid 100039Z - 100215Z
The severe weather threat for Tornado Watch 715 continues.
SUMMARY...The severe threat continues across Tornado Watch 715.
Damaging gusts appear to be the main threat, though a couple of
tornadoes remain possible, especially with storms closer to the
TN/AL border. The severe threat may persist eastward into northeast
AL and southeastern TN, where a WW issuance may ultimately be
warranted.
DISCUSSION...Thunderstorms have recently been merging into a loosely
organized squall line across middle TN into eastern MS and far
northwest AL, with MRMS mosaic radar data showing these storms
percolating in intensity. Low-level shear should remain strong
across the region as a 35+ kt low-level jet overspreads the TN
Valley (per 00Z mesoanalysis). Given linear storm modes, damaging
gusts should become the primary threat into the evening hours.
However, a few discrete cells remain near the AL/TN border, and
these storms have the best chance at producing a couple of tornadoes
into early tonight.
Despite waning buoyancy, the strong deep-layer and low-level shear
should compensate amid 500 J/kg MLCAPE to support some continuance
of severe potential into northeast AL and southeastern TN. Though
damaging gusts may be the main threat, given linear structures, the
elongated and curved hodographs suggest that some tornado potential
will also exist. A downstream Tornado Watch issuance may ultimately
be needed.
..Squitieri/Goss.. 12/10/2023
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...MRX...JKL...FFC...LMK...OHX...HUN...
LAT...LON 34378796 35988651 37368486 37398428 37028414 36598432
36248415 35908404 35458433 35188466 34958538 34608601
34298647 34378796
Read more
1 year 8 months ago
WW 0716 Status Updates
STATUS REPORT ON WW 716
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WNW ESF
TO 35 NW HEZ TO 55 E MLU TO 35 SSW GWO TO 20 ESE GWO TO 40 SSW
TUP TO 20 S TUP TO 25 ENE TUP.
..WENDT..12/10/23
ATTN...WFO...BMX...JAN...MEG...
STATUS REPORT FOR WT 716
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC057-063-075-093-107-119-125-127-133-100240-
AL
. ALABAMA COUNTIES INCLUDED ARE
FAYETTE GREENE LAMAR
MARION PICKENS SUMTER
TUSCALOOSA WALKER WINSTON
LAC025-029-107-100240-
LA
. LOUISIANA PARISHES INCLUDED ARE
CATAHOULA CONCORDIA TENSAS
MSC001-007-017-019-021-023-025-029-031-037-049-051-057-061-063-
065-067-069-075-077-079-085-087-089-095-097-099-101-103-105-121-
123-127-129-149-155-159-163-100240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
Read more
1 year 8 months ago
WW 0715 Status Updates
STATUS REPORT ON WW 715
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 WSW MSL
TO 5 NE MSL TO 50 S BNA TO 35 E BNA TO 30 N LOZ.
..SQUITIERI..12/10/23
ATTN...WFO...HUN...LMK...JKL...OHX...
STATUS REPORT FOR WT 715
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC033-059-079-083-089-103-100240-
AL
. ALABAMA COUNTIES INCLUDED ARE
COLBERT FRANKLIN LAWRENCE
LIMESTONE MADISON MORGAN
KYC053-147-199-203-231-100240-
KY
. KENTUCKY COUNTIES INCLUDED ARE
CLINTON MCCREARY PULASKI
ROCKCASTLE WAYNE
TNC003-015-027-031-035-041-049-051-055-061-087-103-127-133-137-
141-175-177-185-100240-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BEDFORD CANNON CLAY
Read more
1 year 8 months ago
WW 0716 Status Updates
STATUS REPORT ON WW 716
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WNW ESF
TO 35 NW HEZ TO 55 E MLU TO 35 SSW GWO TO 20 ESE GWO TO 40 SSW
TUP TO 20 S TUP TO 25 ENE TUP.
..WENDT..12/10/23
ATTN...WFO...BMX...JAN...MEG...
STATUS REPORT FOR WT 716
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC057-063-075-093-107-119-125-127-133-100240-
AL
. ALABAMA COUNTIES INCLUDED ARE
FAYETTE GREENE LAMAR
MARION PICKENS SUMTER
TUSCALOOSA WALKER WINSTON
LAC025-029-107-100240-
LA
. LOUISIANA PARISHES INCLUDED ARE
CATAHOULA CONCORDIA TENSAS
MSC001-007-017-019-021-023-025-029-031-037-049-051-057-061-063-
065-067-069-075-077-079-085-087-089-095-097-099-101-103-105-121-
123-127-129-149-155-159-163-100240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
Read more
1 year 8 months ago
WW 0717 Status Updates
STATUS FOR WATCH 0717 HAS NOT BEEN ISSUED YET
Read more
1 year 8 months ago
WW 0717 Status Updates
STATUS FOR WATCH 0717 HAS NOT BEEN ISSUED YET
Read more
1 year 8 months ago
MD 2311 CONCERNING TORNADO WATCH 716... FOR CENTRAL MISSISSIPPI INTO WEST-CENTRAL ALABAMA
Mesoscale Discussion 2311
NWS Storm Prediction Center Norman OK
0556 PM CST Sat Dec 09 2023
Areas affected...Central Mississippi into west-central Alabama
Concerning...Tornado Watch 716...
Valid 092356Z - 100130Z
The severe weather threat for Tornado Watch 716 continues.
SUMMARY...The threat of tornadoes, damaging winds, and large hail
will continue into the evening. Storm coverage along the front will
eventually increase and become more linear. Damaging winds and
embedded QLCS circulations/tornadoes will become the predominant
threats with time.
DISCUSSION...Convection in the western portions of WW 716 have
largely remained a broken line with embedded supercells. More
discrete storms remain in southeastern Mississippi which developed
along a mesoscale boundary earlier in the afternoon. Area VAD
profiles as well as forecast soundings suggest a continued threat of
tornado, large hail, and damaging wind gusts into the evening. As
the synoptic trough continues to dig southeastward and amplify, more
convection should develop along the cold front in Mississippi.
Though storms would be more linear, sufficient low-level shear
should exist for a QLCS tornado threat.
A more organized supercell storm currently in Jasper County, MS,
continues east-northeastward. Given the more modest deep-layer
ascent and marginally less favorable thermodynamics in Alabama, it
is not certain how far north/east the storm will progress. Should
this supercell persist, as can occur even in less than ideal
environments, low-level shear will improve later this evening in
parts of central Alabama. This activity would pose a greater tornado
threat should that scenario occur.
..Wendt.. 12/09/2023
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...BMX...HUN...MOB...MEG...JAN...
LAT...LON 31509047 31499154 31659180 32109167 33179105 33699022
34138853 34198737 34108693 33868680 33488694 32858726
32628759 31938871 31569007 31509047
Read more
1 year 8 months ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0659 PM CST Sat Dec 09 2023
Valid 100100Z - 101200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
THE CENTRAL GULF COAST STATES AND TENNESSEE VALLEY...
...SUMMARY...
Scattered severe storms capable of producing tornadoes, wind damage
and isolated large hail will continue this evening across parts of
the central Gulf Coast states and Tennessee Valley.
...Tennessee Valley/Central Gulf Coast States/...
The latest water vapor imagery and 500 mb analysis show a
progressive upper-level trough over the Ozarks, with a 50 to 06 knot
mid-level jet evident in southwesterly flow from the mid Mississippi
Valley into the southern Great Lakes. At the surface, a cold front
is moving southeastward through the Ohio and Tennessee Valleys.
Mosaic radar imagery shows a nearly continuous line of strong to
severe thunderstorms ahead of the front from central Kentucky
extending southwestward into north-central Mississippi and central
Louisiana. These storms are located along the western edge of a
weakly to moderately unstable airmass, and near the axis of a 35 to
45 knot low-level jet.
RAP forecast soundings this evening, along the axis of the strongest
low-level flow, from central Mississippi into far southern Tennessee
have 0-3 storm-relative helicity generally in the 200 to 300 m2/s2
range. This will continue to be favorable for rotating storms this
evening. As a line of strong to severe storms continues to organize,
a few tornadoes will be possible with embedded supercells and bowing
line segments. A tornado threat may also exist with discrete
rotating cells that develop ahead of the line. As the line
progresses eastward, the wind-damage threat will continue, and be
maximized with embedded supercells and bowing line segments. An
isolated large hail threat will exist with supercells but should be
more focused in the southwestern part of the slight where the
strongest instability is located.
Further south into the central Gulf Coast states, from south-central
Mississippi into central Alabama, an isolated severe threat will
continue tonight as low-level flow increases ahead of the cold
front. Moderate instability is forecast to be maintained ahead of
the front as moisture convection continues overnight. As the
southern part of the line moves into this area later tonight, the
potential for wind damage, hail and a few tornadoes is expected to
increase...see MCD 2311.
..Broyles.. 12/10/2023
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Checked
5 years 10 months ago
Storm Prediction Center
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