Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 263, NWS Norman, OK

May 15, 2022Coal County, Pontotoc County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 15, 2022, 6:05 PM CDT for Coal County, Pontotoc County, Oklahoma. It was in force for 40 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: May 15, 2022, 6:05 PM CDT (23:05 UTC)
Expired: May 15, 2022, 6:45 PM CDT
In force: 40 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Coal County, OK, Pontotoc County, OK

The radar

The Norman radar (KTLX), 104 km from the middle of the area, began a volume at 23:05 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 15, 3:23 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.1 hours before the alert went out and 348 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: 403 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1598 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 15, 6:01 PM CDT, 4 minutes earlier.

Area forecast discussion, May 15, 6:01 PM CDT, 4 minutes before

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Hazardous weather outlook, May 15, 5:16 PM CDT, 49 minutes before

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In the hours before

Local storm report, May 15, 3:11 PM CDT, 2 hours 54 minutes before

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Special weather statement, May 15, 5:47 PM CDT, 18 minutes before

Special Weather Statement
National Weather Service Norman OK
547 PM CDT Sun May 15 2022

OKZ042-152315-
Pontotoc OK-
547 PM CDT Sun May 15 2022

...A strong thunderstorm will impact portions of southwestern
Pontotoc County through 615 PM CDT...

At 547 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles southeast of Vanoss, moving southeast at 20 mph.

HAZARD...Wind gusts of 40 mph and half inch hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Ada, Roff, Fitzhugh, Vanoss and Fittstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3473 9693 3481 9685 3473 9653 3451 9673
TIME...MOT...LOC 2247Z 307DEG 19KT 3473 9681

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

30

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 7:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Harper	57 min
May 14, 8:24 PM CDT	Special Weather Statement	OUN	Alfalfa	36 min
May 14, 8:31 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Harper, Woodward	59 min
May 14, 8:43 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	43 min
May 14, 9:01 PM CDT	Special Weather Statement	OUN	Major	44 min
May 14, 9:17 PM CDT	Special Weather Statement	OUN	Harper	28 min
May 14, 9:19 PM CDT	Special Weather Statement	OUN	Major	41 min
May 14, 9:33 PM CDT	Severe Thunderstorm Warning	OUN	Harper	42 min
May 14, 10:08 PM CDT	Severe Thunderstorm Warning	OUN	Harper	52 min
May 14, 10:46 PM CDT	Special Weather Statement	OUN	Garfield	29 min
May 14, 10:55 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	22 min
May 14, 11:04 PM CDT	Special Weather Statement	OUN	Logan	26 min
May 14, 11:09 PM CDT	Special Weather Statement	OUN	Woodward	36 min
May 14, 11:22 PM CDT	Special Weather Statement	OUN	Lincoln, Logan, Noble, Payne	38 min
May 14, 11:26 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Lincoln, Logan, Noble and 1 more	64 min
May 14, 11:57 PM CDT	Special Weather Statement	OUN	Woodward	33 min
May 15, 12:02 AM CDT	Special Weather Statement	OUN	Kay	28 min
May 15, 12:18 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Kay, Noble	27 min
May 15, 12:40 AM CDT	Special Weather Statement	OUN	Lincoln	35 min
May 15, 5:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Hughes	50 min
May 15, 5:47 PM CDT	Special Weather Statement	OUN	Pontotoc	28 min
May 15, 6:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Hughes	51 min
May 15, 6:38 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Coal, Johnston, Pontotoc	52 min
May 15, 6:47 PM CDT	Severe Thunderstorm Warning Destructive damage threat	OUN	Coal, Hughes	43 min
May 15, 6:56 PM CDT	Severe Thunderstorm Warning	OUN	Johnston, Murray	49 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.