Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 372, NWS Norman, OK

May 22, 20194 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 22, 2019, 2:44 PM CDT for 4 counties in Oklahoma. It was in force for 46 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 22, 2019, 2:44 PM CDT (19:44 UTC)
Expired: May 22, 2019, 3:30 PM CDT
In force: 46 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Comanche County, OK, Cotton County, OK, Stephens County, OK, Tillman County, OK

The radar

The Altus AFB radar (KFDR), 53 km from the middle of the area, began a volume at 19:47 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 22, 2:34 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 7.7 hours before the alert went out and 125 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1361 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 434 m²/s²
0-3 km storm-relative helicity: 338 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 22, 12:13 PM CDT, 2 hours 31 minutes earlier.

Area forecast discussion, May 22, 12:13 PM CDT, 2 hours 31 minutes before

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Hazardous weather outlook, May 22, 1:57 PM CDT, 47 minutes before

Hazardous Weather Outlook
National Weather Service Norman OK
157 PM CDT Wed May 22 2019

OKZ004>048-050>052-TXZ083>090-231900-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
157 PM CDT Wed May 22 2019

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...This afternoon and tonight...

.Thunderstorms...
There is an enhanced risk of severe thunderstorms across parts of
central and north central Oklahoma. There is also a slight risk
of severe thunderstorms across most of southwest and central
Oklahoma and a small portion of western north Texas.

Moisture return this afternoon and evening may result in widely
scattered showers and thunderstorms. If storms develop, they will
be in an environment favorable for supercells. The strongest
storms will be capable of producing golf ball to baseball sized
hail, damaging winds to 70 mph, and tornadoes. By mid to late
evening, most of the storms that form will be confined to northern
Oklahoma.

.Heavy Rainfall and Flooding...
Additional rainfall may cause flooding due to extremely saturated
soils across the region and any residual flooding ongoing from
rainfall earlier this week.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...

Storm spotter groups and emergency management personnel across
western north Texas, southern, central, and northern Oklahoma
should prepare for severe weather operations Wednesday afternoon
into Wednesday evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday...

.Thunderstorms...
There is a risk of severe thunderstorms across parts of northern
and western Oklahoma and western north Texas Thursday as well as
Friday across parts of northern Oklahoma. The most likely time
for severe storms on Thursday will be during the evening and
overnight.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

In the hours before

Special weather statement, May 22, 1:51 PM CDT, 53 minutes before

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Special weather statement, May 22, 2:14 PM CDT, 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
May 21, 8:38 PM CDT	River Flood Warning	OUN	Pottawatomie	28 hr
May 22, 1:17 AM CDT	Areal Flood Warning	OUN	Canadian, Cleveland, Garfield, Grant, Kay, Kingfisher and 5 more	12 hr
May 22, 4:37 AM CDT	River Flood Warning	OUN	Oklahoma	41 hr
May 22, 9:08 AM CDT	River Flood Warning	OUN	Love	21 days
May 22, 9:33 AM CDT	Flood Watch	OUN	Alfalfa, Beckham, Blaine, Canadian, Cleveland, Custer and 20 more	5 days
May 22, 2:14 PM CDT	Special Weather Statement	OUN	Cotton	31 min
May 22, 2:22 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	23 min
May 22, 2:57 PM CDT	Special Weather Statement	OUN	Seminole	33 min
May 22, 3:28 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Cotton, Grady, Stephens	47 min
May 22, 3:30 PM CDT	Special Weather Statement	OUN	Lincoln	45 min
May 22, 3:35 PM CDT	Special Weather Statement	OUN	Caddo	25 min
May 22, 3:43 PM CDT	Special Weather Statement	OUN	Seminole	47 min
May 22, 3:45 PM CDT	Areal Flood Advisory	OUN	Comanche	60 min
May 22, 3:49 PM CDT	Special Weather Statement	OUN	Tillman	26 min
May 22, 3:52 PM CDT	Special Weather Statement	OUN	Logan	53 min
May 22, 3:59 PM CDT	Severe Thunderstorm Warning	OUN	Hughes, Pottawatomie, Seminole	46 min
May 22, 4:01 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher, Logan, Payne	44 min
May 22, 4:13 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Grady, Stephens	26 min
May 22, 4:14 PM CDT	Special Weather Statement	OUN	Comanche	31 min
May 22, 4:23 PM CDT	Tornado Warning	OUN	Seminole	17 min
May 22, 4:29 PM CDT	Tornado Warning	OUN	Hughes, Seminole	25 min
May 22, 4:33 PM CDT	Areal Flood Advisory	OUN	Garfield, Logan, Noble, Payne	3 hr
May 22, 4:35 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Logan, Noble, Payne	40 min
May 22, 4:38 PM CDT	Tornado Warning	OUN	Logan, Noble, Payne	37 min
May 22, 4:46 PM CDT	Tornado Warning	OUN	Seminole	17 min
May 22, 4:47 PM CDT	Special Weather Statement	OUN	Kiowa	28 min
May 22, 4:53 PM CDT	Flash Flood Warning	OUN	Garfield, Logan, Noble, Payne	5 hr
May 22, 5:10 PM CDT	Special Weather Statement	OUN	McClain	35 min
May 22, 5:14 PM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	10 min
May 22, 5:17 PM CDT	Flash Flood Warning	OUN	Kingfisher, Logan, Payne	3 hr
May 22, 5:17 PM CDT	Special Weather Statement	OUN	Kingfisher, Logan	28 min
May 22, 5:38 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	52 min
May 22, 5:43 PM CDT	Special Weather Statement	OUN	Garvin	32 min
May 22, 5:49 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, McClain, Pottawatomie	26 min
May 22, 5:58 PM CDT	Special Weather Statement	OUN	Comanche	32 min
May 22, 6:06 PM CDT	Special Weather Statement	OUN	Kingfisher	24 min
May 22, 6:07 PM CDT	Severe Thunderstorm Warning	OUN	Garfield	53 min
May 22, 6:16 PM CDT	Areal Flood Advisory	OUN	Garfield, Noble	3 hr
May 22, 6:26 PM CDT	Special Weather Statement	OUN	Noble	34 min
May 22, 6:28 PM CDT	Flash Flood Warning	OUN	Garfield, Noble	3 hr
May 22, 6:31 PM CDT	Special Weather Statement	OUN	Comanche	29 min
May 22, 6:43 PM CDT	Severe Thunderstorm Warning	OUN	Noble	26 min
May 22, 6:44 PM CDT	Special Weather Statement	OUN	Tillman	31 min
May 22, 6:57 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Noble	32 min
May 22, 1:51 PM CDT	Special Weather Statement	OUN	Wichita	24 min
May 22, 4:06 PM CDT	Special Weather Statement	OUN	Baylor	24 min
May 22, 5:53 PM CDT	Special Weather Statement	OUN	Baylor	52 min
May 22, 6:08 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Wichita, Wilbarger	52 min
May 22, 6:43 PM CDT	Severe Thunderstorm Warning	OUN	Wichita, Wilbarger	47 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2019 Every severe thunderstorm warning in 2019

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.