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 173
NWS Storm Prediction Center Norman OK
1125 PM CDT Thu May 7 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern and eastern Oklahoma
* Effective this Thursday night and Friday morning from 1125 PM
until 600 AM CDT.
* Primary threats include...
Widespread damaging winds and isolated significant gusts to 80
mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
A tornado or two possible
SUMMARY...An arcing thunderstorm cluster across west-central
Oklahoma will likely develop into a forward-propagating MCS with
potential for widespread damaging winds as it accelerates across
parts of southern and eastern Oklahoma overnight.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 30 miles west of
Clinton OK to 50 miles east southeast of Mcalester OK. 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 171...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
29045.
...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 173 SEVERE TSTM OK 080425Z - 081100Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
30W CSM/CLINTON OK/ - 50ESE MLC/MCALESTER OK/
..AVIATION COORDS.. 50NM N/S /61S MMB - 43ESE MLC/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 29045.
LAT...LON 36129973 35409497 33809497 34539973
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 173 Status Report Messages:
STATUS REPORT #3 ON WW 173
VALID 080800Z - 080940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 ENE SPS
TO 30 NNE DUA TO 15 NNE MLC TO 15 WNW RKR.
..GOSS..05/08/20
ATTN...WFO...OUN...TSA...
&&
STATUS REPORT FOR WS 173
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-019-023-067-069-077-079-085-095-121-127-080940-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CARTER
CHOCTAW JEFFERSON JOHNSTON
LATIMER LE FLORE LOVE
MARSHALL PITTSBURG PUSHMATAHA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 173
VALID 080700Z - 080840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SW FSI TO
15 S CHK TO 35 ESE CQB TO 30 SE MKO.
..GOSS..05/08/20
ATTN...WFO...OUN...TSA...
&&
STATUS REPORT FOR WS 173
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-019-023-029-031-033-049-061-063-067-069-077-079-085-
091-095-099-107-121-123-127-133-137-080840-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CARTER
CHOCTAW COAL COMANCHE
COTTON GARVIN HASKELL
HUGHES JEFFERSON JOHNSTON
LATIMER LE FLORE LOVE
MCINTOSH MARSHALL MURRAY
OKFUSKEE PITTSBURG PONTOTOC
PUSHMATAHA SEMINOLE STEPHENS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 173
VALID 080545Z - 080640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GOSS..05/08/20
ATTN...WFO...OUN...TSA...
&&
STATUS REPORT FOR WS 173
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-009-013-019-023-029-031-033-037-049-055-061-063-067-069-
075-077-079-085-091-095-099-101-107-111-121-123-127-133-137-
080640-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BECKHAM BRYAN
CARTER CHOCTAW COAL
COMANCHE COTTON CREEK
GARVIN GREER HASKELL
HUGHES JEFFERSON JOHNSTON
KIOWA LATIMER LE FLORE
LOVE MCINTOSH MARSHALL
MURRAY MUSKOGEE OKFUSKEE
OKMULGEE PITTSBURG PONTOTOC
PUSHMATAHA SEMINOLE STEPHENS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (5%)
|
Wind
Probability of 10 or more severe wind events
|
High (80%)
|
Probability of 1 or more wind events > 65 knots
|
High (70%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
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 
@NWSSPC
