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
Severe Thunderstorm Watch Number 514
NWS Storm Prediction Center Norman OK
830 PM CST Tue Nov 24 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Arkansas
Northwest Louisiana
Southeast Oklahoma
Northeast Texas
* Effective this Tuesday night and Wednesday morning from 830 PM
until 200 AM CST.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...A line of thunderstorms over southeast Oklahoma and
northeast Texas continues to intensify this evening, with a few
storms reaching severe limits. Conditions suggest this activity
could continue to pose a risk of damaging wind gusts and hail for a
few more hours across the watch area. An isolated tornado cannot be
ruled out.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 30 miles north northeast
of Fort Smith AR to 85 miles south of Paris TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).
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
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
26040.
...Hart
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 514
NWS Storm Prediction Center Norman OK
830 PM CST Tue Nov 24 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Arkansas
Northwest Louisiana
Southeast Oklahoma
Northeast Texas
* Effective this Tuesday night and Wednesday morning from 830 PM
until 200 AM CST.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...A line of thunderstorms over southeast Oklahoma and
northeast Texas continues to intensify this evening, with a few
storms reaching severe limits. Conditions suggest this activity
could continue to pose a risk of damaging wind gusts and hail for a
few more hours across the watch area. An isolated tornado cannot be
ruled out.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 30 miles north northeast
of Fort Smith AR to 85 miles south of Paris TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).
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
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
26040.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 514 SEVERE TSTM AR LA OK TX 250230Z - 250800Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
30NNE FSM/FORT SMITH AR/ - 85S PRX/PARIS TX/
..AVIATION COORDS.. 60NM E/W /22NNE FSM - 36W GGG/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 26040.
LAT...LON 35729292 32399425 32399665 35729541
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 514 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 (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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 (80%)
|
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
