Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 590
NWS Storm Prediction Center Norman OK
330 PM CDT Sat Aug 5 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern Arkansas
Northern Mississippi
Western Tennessee
* Effective this Saturday afternoon and evening from 330 PM until
900 PM CDT.
* Primary threats include...
Scattered damaging wind gusts to 65 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...A broken band of thunderstorms will continue to develop
and intensify through the afternoon into the early evening. Wind
damage is possible with the stronger cells as the storms move east.
Marginally severe hail may accompany the stronger cores.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 25 miles east southeast
of Jackson TN to 65 miles west southwest of Memphis TN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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 588...WW 589...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
29020.
...Smith
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 590 SEVERE TSTM AR MS TN 052030Z - 060200Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
25ESE MKL/JACKSON TN/ - 65WSW MEM/MEMPHIS TN/
..AVIATION COORDS.. 40NM N/S /52SE DYR - 56E LIT/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..55 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 29020.
LAT...LON 34818851 34029104 35339104 36118851
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 590 Status Report Messages:
STATUS REPORT #3 ON WW 590
VALID 052355Z - 060040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNW TUP
TO 55 E MKL.
..LYONS..08/05/23
ATTN...WFO...MEG...
&&
STATUS REPORT FOR WS 590
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC003-057-081-117-141-145-060040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ALCORN ITAWAMBA LEE
PRENTISS TISHOMINGO UNION
$$
TNC071-060040-
TN
. TENNESSEE COUNTIES INCLUDED ARE
HARDIN
$$
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.
$$
STATUS REPORT #2 ON WW 590
VALID 052245Z - 052340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 ENE PBF
TO 10 E MEM TO 15 WSW MKL TO 55 SW HOP.
..LYONS..08/05/23
ATTN...WFO...MEG...
&&
STATUS REPORT FOR WS 590
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC009-027-093-107-119-137-052340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
BENTON COAHOMA MARSHALL
PANOLA QUITMAN TATE
$$
TNC017-023-047-069-077-109-113-052340-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CARROLL CHESTER FAYETTE
HARDEMAN HENDERSON MCNAIRY
MADISON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 590
VALID 052200Z - 052340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SE BVX TO
35 SW DYR TO 10 S DYR TO 25 NNE DYR.
..LYONS..08/05/23
ATTN...WFO...MEG...
&&
STATUS REPORT FOR WS 590
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC035-077-107-123-052340-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CRITTENDEN LEE PHILLIPS
ST. FRANCIS
$$
MSC009-027-033-093-107-119-137-143-052340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
BENTON COAHOMA DESOTO
MARSHALL PANOLA QUITMAN
TATE TUNICA
$$
TNC017-023-033-047-053-069-075-077-097-109-113-157-167-052340-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CARROLL CHESTER CROCKETT
FAYETTE GIBSON HARDEMAN
HAYWOOD HENDERSON LAUDERDALE
MCNAIRY MADISON SHELBY
TIPTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
Low (20%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
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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