Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 483
NWS Storm Prediction Center Norman OK
610 PM CDT Tue Sep 1 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest Kentucky
Northern Mississippi
Western Tennessee
* Effective this Tuesday evening from 610 PM until 1100 PM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Clusters of storms and possibly a supercell or two will
continue moving east-northeastward across the region this evening.
Damaging winds are the primary hazard, but a tornado risk cannot be
ruled out.
The severe thunderstorm watch area is approximately along and 35
statute miles east and west of a line from 75 miles northeast of
Dyersburg TN to 65 miles south southwest of Memphis TN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
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 481...WW 482...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 550. Mean storm motion vector
24030.
...Guyer
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 483
NWS Storm Prediction Center Norman OK
610 PM CDT Tue Sep 1 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest Kentucky
Northern Mississippi
Western Tennessee
* Effective this Tuesday evening from 610 PM until 1100 PM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Clusters of storms and possibly a supercell or two will
continue moving east-northeastward across the region this evening.
Damaging winds are the primary hazard, but a tornado risk cannot be
ruled out.
The severe thunderstorm watch area is approximately along and 35
statute miles east and west of a line from 75 miles northeast of
Dyersburg TN to 65 miles south southwest of Memphis TN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
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 481...WW 482...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 550. Mean storm motion vector
24030.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 483 SEVERE TSTM KY MS TN 012310Z - 020400Z
AXIS..35 STATUTE MILES EAST AND WEST OF LINE..
75NE DYR/DYERSBURG TN/ - 65SSW MEM/MEMPHIS TN/
..AVIATION COORDS.. 30NM E/W /62NE DYR - 43N SQS/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 24030.
LAT...LON 36758781 34168980 34169103 36758907
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 483 Status Report Message has not been issued yet.
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
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
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.
weather.gov 
@NWSSPC
