Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 406
NWS Storm Prediction Center Norman OK
835 PM CDT Thu Jul 30 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest Arkansas
Southeast Oklahoma
Northeast Texas
* Effective this Thursday night and Friday morning from 835 PM
until 100 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY...A fast-moving bow echo over southeast Oklahoma will track
eastward across the watch this evening, posing a risk of
gusty/damaging winds.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 40 miles west of De
Queen AR to 55 miles southeast of Hot Springs AR. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
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 405...
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 500. Mean storm motion vector
28035.
...Hart
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 406
NWS Storm Prediction Center Norman OK
835 PM CDT Thu Jul 30 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest Arkansas
Southeast Oklahoma
Northeast Texas
* Effective this Thursday night and Friday morning from 835 PM
until 100 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY...A fast-moving bow echo over southeast Oklahoma will track
eastward across the watch this evening, posing a risk of
gusty/damaging winds.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 40 miles west of De
Queen AR to 55 miles southeast of Hot Springs AR. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
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 405...
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 500. Mean storm motion vector
28035.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 406 SEVERE TSTM AR OK TX 310135Z - 310600Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
40W DEQ/DE QUEEN AR/ - 55SE HOT/HOT SPRINGS AR/
..AVIATION COORDS.. 50NM N/S /59SE MLC - 42NNE ELD/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28035.
LAT...LON 34849510 34709242 33119242 33259510
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 406 Status Report Messages:
STATUS REPORT #1 ON WW 406
VALID 310230Z - 310340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..07/31/20
ATTN...WFO...LZK...SHV...
&&
STATUS REPORT FOR WS 406
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC013-019-027-039-051-057-059-061-073-081-091-097-099-103-105-
109-113-127-133-139-149-310340-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CALHOUN CLARK COLUMBIA
DALLAS GARLAND HEMPSTEAD
HOT SPRING HOWARD LAFAYETTE
LITTLE RIVER MILLER MONTGOMERY
NEVADA OUACHITA PERRY
PIKE POLK SCOTT
SEVIER UNION YELL
$$
OKC089-310340-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
MCCURTAIN
$$
TXC037-387-310340-
TX
. TEXAS COUNTIES INCLUDED ARE
BOWIE RED RIVER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
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
|
Low (20%)
|
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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