Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 41
NWS Storm Prediction Center Norman OK
240 AM CST Wed Mar 4 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
A small part of central and southern Alabama
* Effective this Wednesday morning from 240 AM until 1000 AM CST.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...Potentially severe storms in Mississippi will move into
west central Alabama and likely continue moving east-southeastward
for the next few hours. Additional storm development will also be
possible later this morning. The storm environment favors elevated
supercells/bowing segments capable of producing large hail and
damaging winds.
The severe thunderstorm watch area is approximately along and 30
statute miles north and south of a line from 80 miles west of Selma
AL to 55 miles east northeast of Troy AL. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU1).
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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 39...WW 40...
AVIATION...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 450. Mean storm motion vector
28040.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 41 SEVERE TSTM AL 040840Z - 041600Z
AXIS..30 STATUTE MILES NORTH AND SOUTH OF LINE..
80W SEM/SELMA AL/ - 55ENE TOI/TROY AL/
..AVIATION COORDS.. 25NM N/S /23E MEI - 53S LGC/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 28040.
LAT...LON 32788835 32618515 31748515 31918835
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 41 Status Report Messages:
STATUS REPORT #2 ON WW 41
VALID 041250Z - 041340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNW GZH
TO 30 SSW MGM TO 10 NNW TOI TO 25 NE TOI TO 25 S CSG.
..JEWELL..03/04/20
ATTN...WFO...BMX...
&&
STATUS REPORT FOR WS 41
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC005-011-109-041340-
AL
. ALABAMA COUNTIES INCLUDED ARE
BARBOUR BULLOCK PIKE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 41
VALID 041115Z - 041240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 E MEI TO
45 W SEM TO 15 WNW MGM TO 30 ENE MGM TO 5 WSW AUO TO 15 SSW LGC.
..JEWELL..03/04/20
ATTN...WFO...BMX...
&&
STATUS REPORT FOR WS 41
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC005-011-047-085-087-091-101-109-113-041240-
AL
. ALABAMA COUNTIES INCLUDED ARE
BARBOUR BULLOCK DALLAS
LOWNDES MACON MARENGO
MONTGOMERY PIKE RUSSELL
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
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 (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 (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.