Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 278, NWS Tulsa, OK

August 9, 2022Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 9, 2022, 5:03 AM CDT for Pittsburg County, Oklahoma. It was in force for 27 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 9, 2022, 5:03 AM CDT (10:03 UTC)
Expired: Aug 9, 2022, 5:30 AM CDT
In force: 27 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Pittsburg County, OK

The radar

The Western Arkansas radar (KSRX), 133 km from the middle of the area, began a volume at 10:05 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, 10.1 hours before the alert went out and 281 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: 203 J/kg
Mixed-layer CIN: -136 J/kg
Mixed-layer LCL: 1127 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

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 9, 2:26 AM CDT, 2 hours 37 minutes earlier.

Area forecast discussion, Aug 9, 2:26 AM CDT, 2 hours 37 minutes before

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Hazardous weather outlook, Aug 9, 4:41 AM CDT, 22 minutes before

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In the hours before

Special weather statement, Aug 9, 1:29 AM CDT, 3 hours 34 minutes before

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Special weather statement, Aug 9, 1:55 AM CDT, 3 hours 8 minutes before

Special Weather Statement
National Weather Service Tulsa OK
155 AM CDT Tue Aug 9 2022

OKZ071-090730-
McIntosh OK-
155 AM CDT Tue Aug 9 2022

...A strong thunderstorm will impact portions of central McIntosh
County through 230 AM CDT...

At 154 AM CDT, Doppler radar indicated a strong thunderstorm over
Stidham, moving southeast at 10 mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects. Minor damage to outdoor objects
         is possible.

Locations in or near the path include...
Eufaula...                        Stidham...
Lake Eufaula State Park...        Vivian...
Onapa...

This includes Interstate 40 in Oklahoma between mile markers 258 and
259.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3547 9562 3530 9543 3529 9546 3530 9550
      3528 9552 3527 9551 3525 9557 3522 9560
      3522 9561 3523 9562 3524 9560 3525 9561
      3525 9563 3523 9567 3520 9568 3520 9571
      3536 9580
TIME...MOT...LOC 0654Z 325DEG 7KT 3536 9567

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

Special weather statement, Aug 9, 5:00 AM CDT, 3 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 8, 7:19 PM CDT	Special Weather Statement	TSA	Pushmataha	26 min
Aug 8, 7:44 PM CDT	Special Weather Statement	TSA	Choctaw	31 min
Aug 8, 7:50 PM CDT	Special Weather Statement	TSA	Pittsburg	25 min
Aug 8, 8:12 PM CDT	Special Weather Statement	TSA	Pittsburg	33 min
Aug 9, 1:18 AM CDT	Areal Flood Advisory	TSA	Choctaw	3 hr
Aug 9, 1:29 AM CDT	Special Weather Statement	TSA	McIntosh	31 min
Aug 9, 1:55 AM CDT	Special Weather Statement	TSA	McIntosh	35 min
Aug 9, 3:19 AM CDT	Areal Flood Advisory	TSA	Delaware	3 hr
Aug 9, 5:00 AM CDT	Special Weather Statement	TSA	Pittsburg	30 min
Aug 9, 8:11 AM CDT	Areal Flood Advisory	TSA	Pittsburg	3 hr
Aug 9, 4:41 PM CDT	Special Weather Statement	TSA	Kay	34 min
Aug 9, 5:13 PM CDT	Special Weather Statement	TSA	Kay	17 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2022 Every severe thunderstorm warning in 2022

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.