Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 45, NWS Norman, OK

March 30, 2022Bryan County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Mar 30, 2022, 4:43 AM CDT for Bryan County, Oklahoma. It was in force for 19 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: Mar 30, 2022, 4:43 AM CDT (09:43 UTC)
Expired: Mar 30, 2022, 5:02 AM CDT
In force: 19 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Bryan County, OK

The radar

The Norman radar (KTLX), 179 km from the middle of the area, began a volume at 09:46 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
Dec 31, 10:35 PM CST	Severe Thunderstorm Watch	SPC	353 days
Mar 29, 11:52 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 9.7 hours before the alert went out and 175 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: 666 J/kg
Mixed-layer CIN: -201 J/kg
Mixed-layer LCL: 1295 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 244 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

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 Mar 30, 4:22 AM CDT, 21 minutes earlier.

Area forecast discussion, Mar 30, 4:22 AM CDT, 21 minutes before

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Hazardous weather outlook, Mar 30, 4:28 AM CDT, 15 minutes before

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In the hours before

Special weather statement, Mar 30, 12:19 AM CDT, 4 hours 24 minutes before

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Special weather statement, Mar 30, 1:36 AM CDT, 3 hours 7 minutes before

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Special weather statement, Mar 30, 1:50 AM CDT, 2 hours 53 minutes before

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Special weather statement, Mar 30, 2:25 AM CDT, 2 hours 18 minutes before

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Special weather statement, Mar 30, 2:47 AM CDT, 1 hour 56 minutes before

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Special weather statement, Mar 30, 3:13 AM CDT, 1 hour 30 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 7:11 PM CDT	Special Weather Statement	OUN	Tillman	49 min
Mar 29, 7:26 PM CDT	Special Weather Statement	OUN	Grant	49 min
Mar 29, 7:32 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	25 min
Mar 29, 7:36 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	39 min
Mar 29, 7:51 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	39 min
Mar 29, 8:24 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant, Woods	51 min
Mar 29, 8:28 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods	47 min
Mar 29, 8:32 PM CDT	Special Weather Statement	OUN	Comanche	28 min
Mar 29, 8:56 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey	19 min
Mar 29, 8:58 PM CDT	Special Weather Statement	OUN	Comanche	47 min
Mar 29, 9:05 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Dewey, Garfield, Grant, Major	40 min
Mar 29, 9:39 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Major	51 min
Mar 29, 9:41 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Grady, McClain	49 min
Mar 29, 10:21 PM CDT	Special Weather Statement	OUN	Grady	39 min
Mar 29, 10:23 PM CDT	Severe Thunderstorm Warning	OUN	Kay	52 min
Mar 29, 10:28 PM CDT	Special Weather Statement	OUN	McClain	32 min
Mar 29, 10:35 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Pottawatomie	40 min
Mar 29, 11:12 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie	33 min
Mar 29, 11:19 PM CDT	Tornado Warning	OUN	Pottawatomie, Seminole	26 min
Mar 29, 11:39 PM CDT	Special Weather Statement	OUN	McClain	36 min
Mar 29, 11:43 PM CDT	Special Weather Statement	OUN	Seminole	32 min
Mar 29, 11:55 PM CDT	Special Weather Statement	OUN	Cleveland, McClain	35 min
Mar 30, 12:00 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	17 min
Mar 30, 12:19 AM CDT	Special Weather Statement	OUN	Hughes	41 min
Mar 30, 1:36 AM CDT	Special Weather Statement	OUN	Marshall	39 min
Mar 30, 1:50 AM CDT	Special Weather Statement	OUN	Murray	25 min
Mar 30, 1:55 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Love, Marshall	50 min
Mar 30, 2:25 AM CDT	Special Weather Statement	OUN	Johnston, Pontotoc	35 min
Mar 30, 2:36 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Coal, Johnston, Marshall	39 min
Mar 30, 2:47 AM CDT	Special Weather Statement	OUN	Hughes	28 min
Mar 30, 3:13 AM CDT	Special Weather Statement	OUN	Atoka, Bryan, Coal	47 min
Mar 30, 3:43 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan	24 min
Mar 29, 10:11 PM CDT	Special Weather Statement	OUN	Baylor	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.