Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 45
NWS Storm Prediction Center Norman OK
1230 PM CDT Wed Mar 11 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Alabama
East Central Mississippi
* Effective this Wednesday afternoon and evening from 1230 PM
until 700 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...A cluster of thunderstorms over northern Mississippi will
track southeastward this afternoon across the watch area. A few
storms are expected to intensify to severe levels, posing a risk of
large hail and damaging wind gusts.
The severe thunderstorm watch area is approximately along and 45
statute miles either side of a line from 40 miles east southeast of
Tuscaloosa AL to 85 miles west of Columbus MS. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
AVIATION...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 450. Mean storm motion vector
29040.
...Hart
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 45
NWS Storm Prediction Center Norman OK
1230 PM CDT Wed Mar 11 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Alabama
East Central Mississippi
* Effective this Wednesday afternoon and evening from 1230 PM
until 700 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...A cluster of thunderstorms over northern Mississippi will
track southeastward this afternoon across the watch area. A few
storms are expected to intensify to severe levels, posing a risk of
large hail and damaging wind gusts.
The severe thunderstorm watch area is approximately along and 45
statute miles either side of a line from 40 miles east southeast of
Tuscaloosa AL to 85 miles west of Columbus MS. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
AVIATION...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 450. Mean storm motion vector
29040.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 45 SEVERE TSTM AL MS 111730Z - 120000Z
AXIS..45 STATUTE MILES EITHER SIDE OF LINE..
40ESE TCL/TUSCALOOSA AL/ - 85W CBM/COLUMBUS MS/
..AVIATION COORDS.. 40NM EITHER SIDE /41S VUZ - 20ENE SQS/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 29040.
LAT...LON 32368712 32989007 34258979 33648684
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 45 Status Report Messages:
STATUS REPORT #3 ON WW 45
VALID 112145Z - 112240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 E MEI TO
20 WNW TCL TO 15 NNW BHM.
..WENDT..03/11/20
ATTN...WFO...BMX...JAN...MEG...
&&
STATUS REPORT FOR WS 45
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC007-063-065-105-119-125-112240-
AL
. ALABAMA COUNTIES INCLUDED ARE
BIBB GREENE HALE
PERRY SUMTER TUSCALOOSA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 45
VALID 112025Z - 112140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 NW MEI TO
50 WSW CBM TO 25 W CBM TO 15 N CBM TO 30 NE CBM.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 166
..CONIGLIO..03/11/20
ATTN...WFO...BMX...JAN...MEG...
&&
STATUS REPORT FOR WS 45
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC007-057-063-065-075-105-107-119-125-127-112140-
AL
. ALABAMA COUNTIES INCLUDED ARE
BIBB FAYETTE GREENE
HALE LAMAR PERRY
PICKENS SUMTER TUSCALOOSA
WALKER
$$
MSC019-025-069-075-087-099-103-105-159-112140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
CHOCTAW CLAY KEMPER
LAUDERDALE LOWNDES NESHOBA
NOXUBEE OKTIBBEHA WINSTON
$$
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.
$$
STATUS REPORT #1 ON WW 45
VALID 111830Z - 111940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..CONIGLIO..03/11/20
ATTN...WFO...BMX...JAN...MEG...
&&
STATUS REPORT FOR WS 45
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC007-057-063-065-075-093-105-107-119-125-127-133-111940-
AL
. ALABAMA COUNTIES INCLUDED ARE
BIBB FAYETTE GREENE
HALE LAMAR MARION
PERRY PICKENS SUMTER
TUSCALOOSA WALKER WINSTON
$$
MSC007-013-015-017-019-025-043-069-075-087-095-097-099-103-105-
155-159-161-111940-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CALHOUN CARROLL
CHICKASAW CHOCTAW CLAY
GRENADA KEMPER LAUDERDALE
LOWNDES MONROE MONTGOMERY
NESHOBA NOXUBEE OKTIBBEHA
WEBSTER WINSTON YALOBUSHA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
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 (50%)
|
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 (80%)
|
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 
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