Alert archive / Arkansas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 314, NWS Tulsa, OK

August 10, 2023Franklin County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 10, 2023, 12:35 AM CDT for Franklin County, Arkansas. It was in force for 25 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 10, 2023, 12:35 AM CDT (05:35 UTC)
Expired: Aug 10, 2023, 1:00 AM CDT
In force: 25 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Franklin County, AR

The radar

The Western Arkansas radar (KSRX), 49 km from the middle of the area, began a volume at 05:38 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.6 hours before the alert went out and 155 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1135 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 602 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.7

Open this sounding in Storm Lab

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, 12:33 AM CDT, 2 minutes earlier.

Area forecast discussion, Aug 10, 12:33 AM CDT, 2 minutes before

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Hazardous weather outlook, Aug 9, 5:46 PM CDT, 6 hours 49 minutes before

Hazardous Weather Outlook
National Weather Service Tulsa OK
546 PM CDT Wed Aug 9 2023

ARZ001-002-010-011-019-020-029-OKZ049-053>076-101045-
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-
546 PM CDT Wed Aug 9 2023

...SEVERE THUNDERSTORM THREAT CONTINUES THROUGH THIS EVENING...

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

.DAY ONE...Today and Tonight.
TORNADO.
	RISK...Limited.
	AREA...Portions of northeast OK and northwest AR.
	ONSET...Ongoing.

SEVERE THUNDERSTORM.
	RISK...Elevated.
	AREA...Much of eastern OK and northwest AR.
	ONSET...Ongoing.

FLASH FLOOD.
	RISK...Limited.
	AREA...Portions of northeast OK and northwest AR.
	ONSET...Ongoing.

HEAVY RAIN.
	RISK...Limited.
	AREA...Portions of northeast OK and northwest AR.
	ONSET...Ongoing.

DANGEROUS HEAT.
	RISK...Limited.
	AREA...Southeast OK.
	ONSET...Ongoing.

DISCUSSION...
Severe thunderstorms are beginning to develop and will continue
over portions of the area through this evening. The highest threat
will be in far northeast OK and northwest/west-central AR. For the
hazard type, all hazards are possible, including tornadoes, large
hail to the size of tennis balls, and damaging winds to 70 mph.
Localized flash flooding could also develop. Dangerous heat is
ongoing across southeast OK with heat indices of up to 110F. This
will continue until storms arrive the next couple of hours.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Activation of the Regional Spotter Network Likely.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
THURSDAY through MONDAY...Thunderstorm Potential...Dangerous Heat Potential.
TUESDAY...No Hazards.

EXTENDED DISCUSSION...
After a brief dry period Thursday into Thursday evening, another
nighttime thunderstorm complex is expected to move into parts of
the area early Friday morning. The upper level flow pattern
supports additional overnight and morning thunderstorms through at
least the weekend, focused across northeast Oklahoma and into
northwest Arkansas. Depending on how these thunderstorms and
residual cloud cover affect daytime temperatures, heat index
values may exceed 105 degrees in some spots, and additional heat
advisories may be required through the weekend and into next week.

weather.gov/tulsa contains additional information.

In the hours before

Special weather statement, Aug 9, 8:55 PM CDT, 3 hours 40 minutes before

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Special weather statement, Aug 9, 9:10 PM CDT, 3 hours 25 minutes before

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Special weather statement, Aug 9, 9:16 PM CDT, 3 hours 19 minutes before

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Special weather statement, Aug 9, 10:49 PM CDT, 1 hour 46 minutes before

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Special weather statement, Aug 9, 11:33 PM CDT, 1 hour 2 minutes before

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Special weather statement, Aug 10, 12:30 AM CDT, 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 7:00 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Rogers	33 min
Aug 9, 7:29 PM CDT	Special Weather Statement	TSA	Mayes	31 min
Aug 9, 7:48 PM CDT	Special Weather Statement	TSA	Delaware	27 min
Aug 10, 6:29 AM CDT	Dense Fog Advisory	TSA	Craig, Nowata, Ottawa, Pawnee, Washington	3 hr
Aug 10, 11:08 AM CDT	Heat Advisory	TSA	Choctaw, Pushmataha	9 hr
Aug 10, 1:56 PM CDT	Heat Advisory	TSA	Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more	30 hr
Aug 9, 7:26 PM CDT	Special Weather Statement	TSA	Benton	34 min
Aug 9, 7:44 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll	46 min
Aug 9, 7:47 PM CDT	Special Weather Statement	TSA	Benton	28 min
Aug 9, 8:06 PM CDT	Special Weather Statement	TSA	Carroll	24 min
Aug 9, 8:07 PM CDT	Areal Flood Advisory	TSA	Benton, Carroll	113 min
Aug 9, 8:11 PM CDT	Special Weather Statement	TSA	Benton	34 min
Aug 9, 8:14 PM CDT	Flash Flood Warning	TSA	Carroll, Madison	3 hr
Aug 9, 8:17 PM CDT	Special Weather Statement	TSA	Carroll	28 min
Aug 9, 8:26 PM CDT	Special Weather Statement	TSA	Carroll	34 min
Aug 9, 8:27 PM CDT	Severe Thunderstorm Warning	TSA	Carroll	33 min
Aug 9, 8:40 PM CDT	Special Weather Statement	TSA	Washington	35 min
Aug 9, 8:55 PM CDT	Special Weather Statement	TSA	Carroll	50 min
Aug 9, 9:10 PM CDT	Special Weather Statement	TSA	Madison	35 min
Aug 9, 9:16 PM CDT	Special Weather Statement	TSA	Logan	29 min
Aug 9, 10:49 PM CDT	Special Weather Statement	TSA	Madison	41 min
Aug 9, 11:33 PM CDT	Special Weather Statement	TSA	Crawford, Franklin	27 min
Aug 10, 12:30 AM CDT	Special Weather Statement	TSA	Madison	30 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2023 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.