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 401
NWS Storm Prediction Center Norman OK
400 PM CDT Sun Jun 9 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Arkansas
Northern Mississippi
Far Southwest Tennessee
* Effective this Sunday afternoon and evening from 400 PM until
1000 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
SUMMARY...Thunderstorms should continue to develop and intensify
late this afternoon and early evening while spreading slowly
east-southeastward. Damaging winds of 55-70 mph may occur with any
clusters, while severe hail of 1-2 inches in diameter appears
possible with any discrete cells that can be maintained.
The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 15 miles west of
Russellville AR to 10 miles north northeast of Columbus MS. 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.
&&
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 500. Mean storm motion vector
30030.
...Gleason
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 401
NWS Storm Prediction Center Norman OK
400 PM CDT Sun Jun 9 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Arkansas
Northern Mississippi
Far Southwest Tennessee
* Effective this Sunday afternoon and evening from 400 PM until
1000 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
SUMMARY...Thunderstorms should continue to develop and intensify
late this afternoon and early evening while spreading slowly
east-southeastward. Damaging winds of 55-70 mph may occur with any
clusters, while severe hail of 1-2 inches in diameter appears
possible with any discrete cells that can be maintained.
The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 15 miles west of
Russellville AR to 10 miles north northeast of Columbus MS. 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.
&&
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 500. Mean storm motion vector
30030.
...Gleason
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 401 SEVERE TSTM AR MS TN 092100Z - 100300Z
AXIS..65 STATUTE MILES NORTH AND SOUTH OF LINE..
15W RUE/RUSSELLVILLE AR/ - 10NNE CBM/COLUMBUS MS/
..AVIATION COORDS.. 55NM N/S /45E FSM - 18NNE IGB/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 30030.
LAT...LON 36189336 34708838 32828838 34319336
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 401 Status Report Messages:
STATUS REPORT #2 ON WW 401
VALID 100225Z - 100300Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 WSW RUE
TO 30 ESE RUE TO 25 ENE LIT TO 25 ENE CBM.
WW 401 WILL BE ALLOWED TO EXPIRE AT 100300Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1224
..DEAN..06/10/24
ATTN...WFO...LZK...MEG...JAN...
&&
STATUS REPORT FOR WS 401
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC051-053-059-097-105-113-125-127-149-100300-
AR
. ARKANSAS COUNTIES INCLUDED ARE
GARLAND GRANT HOT SPRING
MONTGOMERY PERRY POLK
SALINE SCOTT YELL
$$
MSC011-015-019-025-043-083-087-097-103-105-133-155-159-100300-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
BOLIVAR CARROLL CHOCTAW
CLAY GRENADA LEFLORE
LOWNDES MONTGOMERY NOXUBEE
OKTIBBEHA SUNFLOWER WEBSTER
WINSTON
$$
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.
$$
STATUS REPORT #1 ON WW 401
VALID 100135Z - 100240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W RUE TO
45 WSW MEM TO 35 SW MSL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1223
..WEINMAN..06/10/24
ATTN...WFO...LZK...MEG...JAN...
&&
STATUS REPORT FOR WS 401
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC001-041-051-053-059-069-077-079-083-085-095-097-105-107-113-
117-119-125-127-149-100240-
AR
. ARKANSAS COUNTIES INCLUDED ARE
ARKANSAS DESHA GARLAND
GRANT HOT SPRING JEFFERSON
LEE LINCOLN LOGAN
LONOKE MONROE MONTGOMERY
PERRY PHILLIPS POLK
PRAIRIE PULASKI SALINE
SCOTT YELL
$$
MSC011-013-015-017-019-025-027-043-057-071-081-083-087-095-097-
103-105-107-115-119-133-135-137-143-145-155-159-161-100240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
BOLIVAR CALHOUN CARROLL
CHICKASAW CHOCTAW CLAY
COAHOMA GRENADA ITAWAMBA
LAFAYETTE LEE LEFLORE
LOWNDES MONROE MONTGOMERY
NOXUBEE OKTIBBEHA PANOLA
PONTOTOC QUITMAN SUNFLOWER
TALLAHATCHIE TATE TUNICA
UNION 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 (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
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
|
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.
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