Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 442
NWS Storm Prediction Center Norman OK
730 PM CDT Sat Aug 15 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Oklahoma
* Effective this Saturday evening from 730 PM until 1100 PM CDT.
* Primary threats include...
Isolated very large hail events to 2.5 inches in diameter
possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...A cluster of storms will continue to move
south-southwestward this evening across the region. Large hail will
remain a possibility, and severe-caliber wind gusts could also
occur.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 45 miles west of Tulsa
OK to 30 miles northeast of Muskogee OK. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU2).
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 441...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
02015.
...Guyer
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 442
NWS Storm Prediction Center Norman OK
730 PM CDT Sat Aug 15 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Oklahoma
* Effective this Saturday evening from 730 PM until 1100 PM CDT.
* Primary threats include...
Isolated very large hail events to 2.5 inches in diameter
possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...A cluster of storms will continue to move
south-southwestward this evening across the region. Large hail will
remain a possibility, and severe-caliber wind gusts could also
occur.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 45 miles west of Tulsa
OK to 30 miles northeast of Muskogee OK. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU2).
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 441...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
02015.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 442 SEVERE TSTM OK 160030Z - 160400Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
45W TUL/TULSA OK/ - 30NE MKO/MUSKOGEE OK/
..AVIATION COORDS.. 40NM N/S /43W TUL - 41ESE TUL/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 600. MEAN STORM MOTION VECTOR 02015.
LAT...LON 36849669 36639499 35339499 35559669
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 442 Status Report Messages:
STATUS REPORT #1 ON WW 442
VALID 160245Z - 160340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 W BVO TO
15 N TUL TO 25 E TUL TO 30 NE MKO.
..SPC..08/16/20
ATTN...WFO...TSA...
&&
STATUS REPORT FOR WS 442
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC037-101-107-111-113-117-143-145-160340-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CREEK MUSKOGEE OKFUSKEE
OKMULGEE OSAGE PAWNEE
TULSA WAGONER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
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
|
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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