Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 317, NWS Tulsa, OK

August 11, 2023Okfuskee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 11, 2023, 1:55 AM CDT for Okfuskee County, Oklahoma. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 11, 2023, 1:55 AM CDT (06:55 UTC)
Expired
Aug 11, 2023, 2:32 AM CDT
In force
37 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Okfuskee County, OK

The radar

The Norman radar (KTLX), 88 km from the middle of the area, began a volume at 06:56 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 6:09 PM CDT, 7 hours 46 minutes earlier.

Area forecast discussion, Aug 10, 6:09 PM CDT, 7 hours 46 minutes before
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Hazardous weather outlook, Aug 10, 4:46 PM CDT, 9 hours 9 minutes before
Hazardous Weather Outlook
National Weather Service Tulsa OK
446 PM CDT Thu Aug 10 2023

ARZ001-002-010-011-019-020-029-OKZ049-053>076-111030-
Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK-
Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK-
Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK-
Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK-
Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK-
Washington OK-Washington AR-
446 PM CDT Thu Aug 10 2023

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...This Afternoon and Tonight.

SEVERE THUNDERSTORM.
	RISK...Limited.
	AREA...Along and south of Interstate 40.
	ONSET...After midnight.

DANGEROUS HEAT.
	RISK...Elevated.
	AREA...Southeast Oklahoma.
	ONSET...Ongoing...improving after sunset.

DISCUSSION...
Hot and humid conditions will persist through early evening across
southeast Oklahoma. Heat index values around 105 degrees will continue
until sunset.

Isolated to scattered thunderstorms are forecast to develop after
midnight across southeast Oklahoma and west central Arkansas.
A few storms may briefly become severe with large hail the
primary concern.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Local Spotter Activation May Be Needed.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
FRIDAY through SUNDAY...Thunderstorm  and Dangerous Heat Potential.
MONDAY through WEDNESDAY...No Hazards.

EXTENDED DISCUSSION...
Isolated to scattered thunderstorms may be ongoing Friday morning,
with a general decreasing trend in coverage toward midday.
Additional storms may develop across northeast Oklahoma late Friday
afternoon and persist into the overnight hours. A limited risk of
severe weather will accompany any storms which develop during this
time frame. The weather pattern remains unsettled through the weekend
with daily thunderstorm chances. A cold front passing on Sunday should
mark an increase in storm chances with a drying trend afterward into
early next week.  Hot and humid conditions will also expand across
the region Friday through Sunday with dangerous heat index values
likely to be felt area wide.

weather.gov/tulsa contains additional information.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 11, 1:13 AM CDTSpecial Weather StatementTSAOkfuskee47 min
Aug 11, 1:19 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Okfuskee41 min
Aug 11, 1:35 AM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee40 min
Aug 11, 1:59 AM CDTSevere Thunderstorm WarningTSAMcIntosh18 min
Aug 11, 2:06 AM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, Pittsburg39 min
Aug 11, 2:58 AM CDTSevere Thunderstorm WarningTSAHaskell, LeFlore, Sequoyah47 min
Aug 11, 3:04 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee, Sequoyah14 min
Aug 11, 3:32 AM CDTExcessive Heat WarningTSAChoctaw, Craig, Creek, Haskell, Latimer, McIntosh and 12 more16 hr
Aug 11, 2:35 PM CDTExcessive Heat WarningTSAChoctaw, Creek, Haskell, Latimer, McIntosh, Mayes and 8 more29 hr
Aug 11, 2:35 PM CDTHeat AdvisoryTSACherokee, Craig, Creek, Delaware, Haskell, Latimer and 13 more29 hr
Aug 11, 5:37 PM CDTSpecial Weather StatementTSAOsage53 min
Aug 11, 6:09 PM CDTSpecial Weather StatementTSAOsage51 min
Aug 11, 6:15 PM CDTSevere Thunderstorm WarningTSAOsage45 min
Aug 11, 6:48 PM CDTSevere Thunderstorm Warning Considerable damage threatTSANowata, Osage, Rogers, Washington57 min
Aug 11, 6:56 PM CDTAreal Flood AdvisoryTSAWashington2 hr
Aug 11, 3:48 AM CDTSpecial Weather StatementTSASebastian42 min
Aug 11, 4:30 AM CDTSevere Thunderstorm WarningTSAFranklin26 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2023Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.