Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 37
NWS Storm Prediction Center Norman OK
100 AM CST Tue Mar 3 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Arkansas
The southern Missouri Bootheel
Extreme northern Mississippi
Western Tennessee
* Effective this Tuesday morning from 100 AM until 500 AM CST.
* Primary threats include...
Scattered large hail events to 1.5 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Broken bands of thunderstorms will continue to develop
along a cold front that will move eastward from Arkansas to northern
Mississippi and western Tennessee through the early morning hours.
The storm environment will favor a mix of supercells and bowing
segments capable of producing large hail, isolated damaging gusts,
and perhaps an isolated tornado.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 45 miles south
southwest of Jonesboro AR to 50 miles east of Jackson TN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU7).
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...This severe thunderstorm watch replaces
tornado watch number 35. Watch number 35 will not be in effect
after 100 AM CST. CONTINUE...WW 36...
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 500. Mean storm motion vector
26040.
...Thompson
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 37
NWS Storm Prediction Center Norman OK
100 AM CST Tue Mar 3 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Arkansas
The southern Missouri Bootheel
Extreme northern Mississippi
Western Tennessee
* Effective this Tuesday morning from 100 AM until 500 AM CST.
* Primary threats include...
Scattered large hail events to 1.5 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Broken bands of thunderstorms will continue to develop
along a cold front that will move eastward from Arkansas to northern
Mississippi and western Tennessee through the early morning hours.
The storm environment will favor a mix of supercells and bowing
segments capable of producing large hail, isolated damaging gusts,
and perhaps an isolated tornado.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 45 miles south
southwest of Jonesboro AR to 50 miles east of Jackson TN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU7).
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...This severe thunderstorm watch replaces
tornado watch number 35. Watch number 35 will not be in effect
after 100 AM CST. CONTINUE...WW 36...
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 500. Mean storm motion vector
26040.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 37 SEVERE TSTM AR MO MS TN 030700Z - 031100Z
AXIS..50 STATUTE MILES NORTH AND SOUTH OF LINE..
45SSW JBR/JONESBORO AR/ - 50E MKL/JACKSON TN/
..AVIATION COORDS.. 45NM N/S /49WNW MEM - 60NNW MSL/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26040.
REPLACES WW 35..AR IL IN KY MO TN
LAT...LON 35959096 36328803 34878803 34509096
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 37 Status Report Messages:
STATUS REPORT #3 ON WW 37
VALID 031000Z - 031140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 SW MEM TO
20 S MEM TO 35 ESE MEM TO 35 SSW MKL TO 40 ESE MKL TO 60 E MKL.
..JEWELL..03/03/20
ATTN...WFO...MEG...
&&
STATUS REPORT FOR WS 37
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC003-009-093-137-139-031140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ALCORN BENTON MARSHALL
TATE TIPPAH
$$
TNC039-069-071-109-031140-
TN
. TENNESSEE COUNTIES INCLUDED ARE
DECATUR HARDEMAN HARDIN
MCNAIRY
$$
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.
$$
STATUS REPORT #2 ON WW 37
VALID 030915Z - 031040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 ENE PBF
TO 20 W MEM TO 35 SW MKL TO 40 NE MKL TO 25 WSW HOP.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 140
..JEWELL..03/03/20
ATTN...WFO...MEG...
&&
STATUS REPORT FOR WS 37
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC003-009-033-093-137-139-143-031040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ALCORN BENTON DESOTO
MARSHALL TATE TIPPAH
TUNICA
$$
TNC005-017-023-039-047-069-071-077-079-109-113-157-031040-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BENTON CARROLL CHESTER
DECATUR FAYETTE HARDEMAN
HARDIN HENDERSON HENRY
MCNAIRY MADISON SHELBY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 37
VALID 030710Z - 030840Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..JEWELL..03/03/20
ATTN...WFO...MEG...
&&
STATUS REPORT FOR WS 37
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC031-035-037-077-093-111-123-030840-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CRAIGHEAD CRITTENDEN CROSS
LEE MISSISSIPPI POINSETT
ST. FRANCIS
$$
MSC003-009-033-093-137-139-143-030840-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ALCORN BENTON DESOTO
MARSHALL TATE TIPPAH
TUNICA
$$
MOC069-155-030840-
MO
. MISSOURI COUNTIES INCLUDED ARE
DUNKLIN PEMISCOT
$$
TNC005-017-023-033-039-045-047-053-069-071-075-077-079-095-097-
109-113-131-157-167-183-030840-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BENTON CARROLL CHESTER
CROCKETT DECATUR DYER
FAYETTE GIBSON HARDEMAN
HARDIN HAYWOOD HENDERSON
HENRY LAKE LAUDERDALE
MCNAIRY MADISON OBION
SHELBY TIPTON WEAKLEY
$$
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 (5%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
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 (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.
weather.gov 
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