Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 480
NWS Storm Prediction Center Norman OK
350 PM CDT Mon Aug 31 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far southeast Kansas
Southwest to northeast Oklahoma
Western north Texas
* Effective this Monday afternoon and evening from 350 PM until
1100 PM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
A tornado or two possible
SUMMARY...Supercells and clusters are expected to develop along and
near a cold front through this evening. Scattered large hail and
damaging wind gusts are possible. A tornado or two may also occur,
most likely in central Oklahoma.
The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 40 miles west southwest
of Wichita Falls TX to 65 miles northeast of Bartlesville OK. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
26030.
...Grams
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 480
NWS Storm Prediction Center Norman OK
350 PM CDT Mon Aug 31 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far southeast Kansas
Southwest to northeast Oklahoma
Western north Texas
* Effective this Monday afternoon and evening from 350 PM until
1100 PM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
A tornado or two possible
SUMMARY...Supercells and clusters are expected to develop along and
near a cold front through this evening. Scattered large hail and
damaging wind gusts are possible. A tornado or two may also occur,
most likely in central Oklahoma.
The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 40 miles west southwest
of Wichita Falls TX to 65 miles northeast of Bartlesville OK. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
26030.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 480 SEVERE TSTM KS OK TX 312050Z - 010400Z
AXIS..50 STATUTE MILES EAST AND WEST OF LINE..
40WSW SPS/WICHITA FALLS TX/ - 65NE BVO/BARTLESVILLE OK/
..AVIATION COORDS.. 45NM E/W /31WSW SPS - 17N OSW/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 26030.
LAT...LON 33740001 37439609 37439427 33749827
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 480 Status Report Messages:
STATUS REPORT #4 ON WW 480
VALID 010335Z - 010440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE SPS
TO 30 NW FSI.
..SPC..09/01/20
ATTN...WFO...ICT...SGF...OUN...TSA...
&&
STATUS REPORT FOR WS 480
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC015-017-019-027-031-033-049-051-063-067-073-081-083-087-099-
103-109-113-117-119-123-125-133-137-010440-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CADDO CANADIAN CARTER
CLEVELAND COMANCHE COTTON
GARVIN GRADY HUGHES
JEFFERSON KINGFISHER LINCOLN
LOGAN MCCLAIN MURRAY
NOBLE OKLAHOMA OSAGE
PAWNEE PAYNE PONTOTOC
POTTAWATOMIE SEMINOLE STEPHENS
$$
TXC077-010440-
TX
. TEXAS COUNTIES INCLUDED ARE
CLAY
$$
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.
$$
STATUS REPORT #3 ON WW 480
VALID 010230Z - 010340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 WSW SPS
TO 25 SSW LTS.
..SPC..09/01/20
ATTN...WFO...ICT...SGF...OUN...TSA...
&&
STATUS REPORT FOR WS 480
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC019-099-125-133-010340-
KS
. KANSAS COUNTIES INCLUDED ARE
CHAUTAUQUA LABETTE MONTGOMERY
NEOSHO
$$
OKC015-017-019-027-031-033-035-037-049-051-063-065-067-073-075-
081-083-087-099-103-105-107-109-111-113-117-119-123-125-131-133-
137-141-143-147-149-010340-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CADDO CANADIAN CARTER
CLEVELAND COMANCHE COTTON
CRAIG CREEK GARVIN
GRADY HUGHES JACKSON
JEFFERSON KINGFISHER KIOWA
LINCOLN LOGAN MCCLAIN
MURRAY NOBLE NOWATA
OKFUSKEE OKLAHOMA OKMULGEE
OSAGE PAWNEE PAYNE
PONTOTOC POTTAWATOMIE ROGERS
SEMINOLE STEPHENS TILLMAN
TULSA WASHINGTON WASHITA
$$
TXC009-077-485-487-010340-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER CLAY WICHITA
WILBARGER
$$
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.
$$
STATUS REPORT #2 ON WW 480
VALID 010035Z - 010140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..09/01/20
ATTN...WFO...ICT...SGF...OUN...TSA...
&&
STATUS REPORT FOR WS 480
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC019-021-037-099-125-133-010140-
KS
. KANSAS COUNTIES INCLUDED ARE
CHAUTAUQUA CHEROKEE CRAWFORD
LABETTE MONTGOMERY NEOSHO
$$
OKC015-017-019-027-031-033-035-037-049-051-063-065-067-073-075-
081-083-087-099-103-105-107-109-111-113-117-119-123-125-131-133-
137-141-143-147-149-010140-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CADDO CANADIAN CARTER
CLEVELAND COMANCHE COTTON
CRAIG CREEK GARVIN
GRADY HUGHES JACKSON
JEFFERSON KINGFISHER KIOWA
LINCOLN LOGAN MCCLAIN
MURRAY NOBLE NOWATA
OKFUSKEE OKLAHOMA OKMULGEE
OSAGE PAWNEE PAYNE
PONTOTOC POTTAWATOMIE ROGERS
SEMINOLE STEPHENS TILLMAN
TULSA WASHINGTON WASHITA
$$
TXC009-023-077-155-197-275-485-487-010140-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER BAYLOR CLAY
FOARD HARDEMAN KNOX
WICHITA WILBARGER
$$
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.
$$
STATUS REPORT #1 ON WW 480
VALID 312320Z - 010040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..08/31/20
ATTN...WFO...ICT...SGF...OUN...TSA...
&&
STATUS REPORT FOR WS 480
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC019-021-037-099-125-133-010040-
KS
. KANSAS COUNTIES INCLUDED ARE
CHAUTAUQUA CHEROKEE CRAWFORD
LABETTE MONTGOMERY NEOSHO
$$
OKC015-017-019-027-031-033-035-037-049-051-063-065-067-073-075-
081-083-087-099-103-105-107-109-111-113-117-119-123-125-131-133-
137-141-143-147-149-010040-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CADDO CANADIAN CARTER
CLEVELAND COMANCHE COTTON
CRAIG CREEK GARVIN
GRADY HUGHES JACKSON
JEFFERSON KINGFISHER KIOWA
LINCOLN LOGAN MCCLAIN
MURRAY NOBLE NOWATA
OKFUSKEE OKLAHOMA OKMULGEE
OSAGE PAWNEE PAYNE
PONTOTOC POTTAWATOMIE ROGERS
SEMINOLE STEPHENS TILLMAN
TULSA WASHINGTON WASHITA
$$
TXC009-023-077-155-197-275-485-487-010040-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER BAYLOR CLAY
FOARD HARDEMAN KNOX
WICHITA WILBARGER
$$
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
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (40%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (50%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (50%)
|
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.