Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 64
NWS Storm Prediction Center Norman OK
900 PM CDT Sat Mar 27 2021
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Eastern Arkansas
Northeast Louisiana
Northern Mississippi
Southwest Tennessee
* Effective this Saturday night and Sunday morning from 900 PM
until 400 AM CDT.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Scattered damaging winds and isolated significant gusts to 90
mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Multiple supercells will likely evolve into a broader QLCS
overnight. Tornadoes and damaging winds will be the primary hazards.
The tornado watch area is approximately along and 65 statute miles
east and west of a line from 10 miles east northeast of Jackson TN
to 50 miles south of Greenville MS. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU4).
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 59...WW 60...WW 61...WW
62...WW 63...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 80 knots. A few cumulonimbi with maximum tops to 550. Mean
storm motion vector 25045.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 64 TORNADO AR LA MS TN 280200Z - 280900Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
10ENE MKL/JACKSON TN/ - 50S GLH/GREENVILLE MS/
..AVIATION COORDS.. 55NM E/W /35SE DYR - 48WNW MHZ/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..80 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 25045.
LAT...LON 35658760 32748986 32749210 35658991
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 64 Status Report Messages:
STATUS REPORT #1 ON WW 64
VALID 280435Z - 280540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 ENE PBF
TO 45 SW MEM TO 25 SSE MEM TO 35 ESE MEM TO 25 N MKL.
..JEWELL..03/28/21
ATTN...WFO...JAN...MEG...OHX...
&&
STATUS REPORT FOR WT 64
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC003-017-107-280540-
AR
. ARKANSAS COUNTIES INCLUDED ARE
ASHLEY CHICOT PHILLIPS
$$
LAC035-067-123-280540-
LA
. LOUISIANA PARISHES INCLUDED ARE
EAST CARROLL MOREHOUSE WEST CARROLL
$$
MSC003-007-009-011-013-015-017-019-025-027-033-043-051-053-055-
057-071-081-083-093-095-097-105-107-115-117-119-125-133-135-137-
139-141-143-145-151-155-161-163-280540-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ALCORN ATTALA BENTON
BOLIVAR CALHOUN CARROLL
CHICKASAW CHOCTAW CLAY
COAHOMA DESOTO GRENADA
HOLMES HUMPHREYS ISSAQUENA
ITAWAMBA LAFAYETTE LEE
LEFLORE MARSHALL MONROE
MONTGOMERY OKTIBBEHA PANOLA
PONTOTOC PRENTISS QUITMAN
SHARKEY SUNFLOWER TALLAHATCHIE
TATE TIPPAH TISHOMINGO
TUNICA UNION WASHINGTON
WEBSTER YALOBUSHA YAZOO
$$
TNC023-033-039-047-069-071-077-109-113-135-181-280540-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CHESTER CROCKETT DECATUR
FAYETTE HARDEMAN HARDIN
HENDERSON MCNAIRY MADISON
PERRY WAYNE
$$
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
|
Mod (60%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (40%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (60%)
|
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 (90%)
|
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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