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 313
NWS Storm Prediction Center Norman OK
1025 PM CDT Thu Jun 15 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest Arkansas
Northwest Louisiana
Far southeast Oklahoma
Northeast Texas
* Effective this Thursday night and Friday morning from 1025 PM
until 400 AM CDT.
* Primary threats include...
Widespread damaging winds and isolated significant gusts to 85
mph likely
Isolated very large hail events to 2.5 inches in diameter
possible
A tornado or two possible
SUMMARY...Cluster of intense supercells has finally begun to
accelerate to the southeast and should evolve east-southeast across
northeast Texas and the Ark-La-Tex area overnight. Embedded bowing
structures will be capable of significant severe wind swaths.
The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 60 miles southwest of
Paris TX to 60 miles northeast of Shreveport LA. 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 312...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 75 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
29040.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 313 SEVERE TSTM AR LA OK TX 160325Z - 160900Z
AXIS..70 STATUTE MILES NORTH AND SOUTH OF LINE..
60SW PRX/PARIS TX/ - 60NE SHV/SHREVEPORT LA/
..AVIATION COORDS.. 60NM N/S /44ENE TTT - 22WSW ELD/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..75 KNOTS.
MAX TOPS TO 600. MEAN STORM MOTION VECTOR 29040.
LAT...LON 34039618 34079310 32059310 32009618
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 313 Status Report Messages:
STATUS REPORT #1 ON WW 313
VALID 160340Z - 160440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LYONS..06/16/23
ATTN...WFO...SHV...FWD...
&&
STATUS REPORT FOR WS 313
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC027-057-061-073-081-091-099-133-160440-
AR
. ARKANSAS COUNTIES INCLUDED ARE
COLUMBIA HEMPSTEAD HOWARD
LAFAYETTE LITTLE RIVER MILLER
NEVADA SEVIER
$$
LAC013-015-017-027-031-081-119-160440-
LA
. LOUISIANA PARISHES INCLUDED ARE
BIENVILLE BOSSIER CADDO
CLAIBORNE DE SOTO RED RIVER
WEBSTER
$$
OKC089-160440-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
MCCURTAIN
$$
TXC037-063-067-119-159-183-203-213-223-257-277-315-343-365-379-
387-401-423-449-459-467-499-160440-
TX
. TEXAS COUNTIES INCLUDED ARE
BOWIE CAMP CASS
DELTA FRANKLIN GREGG
HARRISON HENDERSON HOPKINS
KAUFMAN LAMAR MARION
MORRIS PANOLA RAINS
RED RIVER RUSK SMITH
TITUS UPSHUR VAN ZANDT
WOOD
$$
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 (10%)
|
Wind
Probability of 10 or more severe wind events
|
High (80%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (60%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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 (>95%)
|
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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