Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 488
NWS Storm Prediction Center Norman OK
705 PM CDT Sat Jun 29 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northwest Arkansas
Southwest Missouri
* Effective this Saturday evening from 705 PM until 1100 PM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...A linear cluster of strong to severe thunderstorms is
forecast to move into the Watch area this evening. The stronger
thunderstorms will potentially yield a risk for 60-70 mph gusts
capable of wind damage. Large hail (1 to 1.5 inches in diameter)
may also occur with the stronger storms.
The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 25 miles northwest of
Fayetteville AR to 25 miles north northeast of Harrison AR. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
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 482...WW 483...WW
484...WW 485...WW 486...WW 487...
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 550. Mean storm motion vector
29020.
...Smith
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 488 SEVERE TSTM AR MO 300005Z - 300400Z
AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
25NW FYV/FAYETTEVILLE AR/ - 25NNE HRO/HARRISON AR/
..AVIATION COORDS.. 30NM N/S /18W RZC - 48SSE SGF/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 29020.
LAT...LON 36759449 37119298 36099298 35759449
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 488 Status Report Message has not been issued yet.
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 (50%)
|
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
|
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
