Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 29, NWS Norman, OK

March 16, 2021Kiowa County, Washita County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Mar 16, 2021, 10:56 PM CDT for Kiowa County, Washita County, Oklahoma. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 16, 2021, 10:56 PM CDT (03:56 UTC)
Expired: Mar 16, 2021, 11:45 PM CDT
In force: 49 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 2.5 in
Wind: 60.0 mph

Counties Kiowa County, OK, Washita County, OK

The radar

The Altus AFB radar (KFDR), 86 km from the middle of the area, began a volume at 03:57 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.

What was reported inside it

Time	Report	Where	Remark
Mar 16, 11:42 PM CDT	HAIL 1.5	7 N Mountain View, OK

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 16, 7:49 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.9 hours before the alert went out and 141 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: 626 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1825 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

869 
WUUS54 KOUN 170356
SVROUN
OKC075-149-170445-
/O.NEW.KOUN.SV.W.0029.210317T0356Z-210317T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
1056 PM CDT Tue Mar 16 2021

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Southeastern Washita County in western Oklahoma...
  Northeastern Kiowa County in southwestern Oklahoma...

* Until 1145 PM CDT.

* At 1055 PM CDT, a severe thunderstorm was located near Hobart,
  moving east at 25 mph.

  HAZARD...Tennis ball size hail and 60 mph wind gusts.

  SOURCE...Trained weather spotters reported tennis ball size hail 
           in Hobart. 

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Hobart, Sentinel, Mountain View, Gotebo, Rocky, Cloud Chief and
  Cowden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!

&&

LAT...LON 3514 9924 3533 9885 3529 9862 3498 9862
      3495 9910
TIME...MOT...LOC 0355Z 258DEG 21KT 3506 9905 

HAIL...2.50IN
WIND...60MPH
 
$$

Mahale

2 follow-up statements

652 
WWUS54 KOUN 170359
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
1059 PM CDT Tue Mar 16 2021

OKC075-149-170445-
/O.CON.KOUN.SV.W.0029.000000T0000Z-210317T0445Z/
Washita OK-Kiowa OK-
1059 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR SOUTHEASTERN WASHITA AND NORTHEASTERN KIOWA COUNTIES...

At 1058 PM CDT, a severe thunderstorm was located 4 miles northeast
of Hobart, moving east at 25 mph.

HAZARD...Tennis ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Hobart, Sentinel, Mountain View, Gotebo, Rocky, Cloud Chief and
Cowden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

&&

LAT...LON 3514 9924 3533 9885 3529 9862 3498 9862
      3495 9910
TIME...MOT...LOC 0358Z 258DEG 21KT 3506 9902 

TORNADO...POSSIBLE
HAIL...2.50IN
WIND...60MPH
 
$$

Mahale

131 
WWUS54 KOUN 170410
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
1110 PM CDT Tue Mar 16 2021

OKC075-149-170445-
/O.CON.KOUN.SV.W.0029.000000T0000Z-210317T0445Z/
Washita OK-Kiowa OK-
1110 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR SOUTHEASTERN WASHITA AND NORTHEASTERN KIOWA COUNTIES...

At 1110 PM CDT, a severe thunderstorm was located near Gotebo, moving
east at 25 mph.

HAZARD...Tennis ball size hail and 70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Sentinel, Mountain View, Gotebo, Rocky, Cloud Chief and Cowden. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

&&

LAT...LON 3533 9885 3529 9862 3498 9862 3496 9899
      3517 9918
TIME...MOT...LOC 0410Z 258DEG 21KT 3507 9894 

TORNADO...POSSIBLE
HAIL...2.50IN
WIND...70MPH
 
$$

Mahale

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 16, 8:19 PM CDT	Severe Thunderstorm Warning	OUN	Beckham	26 min
Mar 16, 8:22 PM CDT	Special Weather Statement	OUN	Harmon	23 min
Mar 16, 8:42 PM CDT	Special Weather Statement	OUN	Harmon	33 min
Mar 16, 8:45 PM CDT	Special Weather Statement	OUN	Beckham	30 min
Mar 16, 8:47 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson	43 min
Mar 16, 9:29 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Kiowa	46 min
Mar 16, 9:33 PM CDT	Severe Thunderstorm Warning	OUN	Ellis	42 min
Mar 16, 9:44 PM CDT	Special Weather Statement	OUN	Harper	31 min
Mar 16, 9:55 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Roger Mills	35 min
Mar 16, 10:06 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Kiowa, Washita	39 min
Mar 16, 10:11 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Woodward	64 min
Mar 16, 10:12 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Jackson, Kiowa	48 min
Mar 16, 10:43 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Custer, Washita	47 min
Mar 16, 10:45 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Ellis, Major, Woodward	60 min
Mar 16, 11:17 PM CDT	Tornado Warning	OUN	Caddo, Kiowa, Washita	43 min
Mar 16, 11:32 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods, Woodward	58 min
Mar 16, 11:40 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Washita	50 min
Mar 16, 11:47 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Roger Mills, Woodward	58 min
Mar 16, 11:50 PM CDT	Special Weather Statement	OUN	Harmon	25 min
Mar 16, 11:53 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson	52 min
Mar 16, 11:56 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Washita	49 min
Mar 17, 12:04 AM CDT	Special Weather Statement	OUN	Dewey	26 min
Mar 17, 12:09 AM CDT	Special Weather Statement	OUN	Blaine, Kingfisher	36 min
Mar 17, 12:09 AM CDT	Severe Thunderstorm Warning	OUN	Dewey, Ellis, Roger Mills, Woodward	51 min
Mar 17, 12:18 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Kingfisher	42 min
Mar 17, 12:20 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Custer, Washita	40 min
Mar 17, 12:32 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Kiowa, Washita	43 min
Mar 17, 12:34 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major, Woodward	56 min
Mar 17, 12:42 AM CDT	Special Weather Statement	OUN	Ellis	33 min
Mar 17, 12:42 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian	31 min
Mar 17, 12:44 AM CDT	Tornado Warning	OUN	Dewey	21 min
Mar 17, 12:54 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian	51 min
Mar 17, 12:59 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Garfield, Kingfisher, Major	46 min
Mar 17, 1:14 AM CDT	Severe Thunderstorm Warning	OUN	Greer, Kiowa, Washita	33 min
Mar 17, 1:26 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Kingfisher, Major	49 min
Mar 17, 1:27 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Noble	48 min
Mar 17, 1:30 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Kingfisher	45 min
Mar 17, 1:39 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Kingfisher, Major	37 min
Mar 17, 1:42 AM CDT	Severe Thunderstorm Warning	OUN	Garfield	16 min
Mar 17, 1:54 AM CDT	Areal Flood Advisory	OUN	Blaine, Canadian, Custer, Kingfisher	111 min
Mar 17, 1:57 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey	33 min
Mar 17, 2:11 AM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	49 min
Mar 17, 2:13 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Logan	47 min
Mar 17, 2:42 AM CDT	Flash Flood Warning	OUN	Blaine, Kingfisher	3 hr
Mar 17, 2:55 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	65 min
Mar 17, 2:57 AM CDT	Special Weather Statement	OUN	Kingfisher, Logan	33 min
Mar 17, 3:19 AM CDT	Winter Weather Advisory	OUN	Dewey, Ellis, Harper, Major, Roger Mills, Woodward	16 hr
Mar 17, 3:29 AM CDT	Special Weather Statement	OUN	Logan, Payne	46 min
Mar 17, 3:32 AM CDT	Areal Flood Advisory	OUN	Garfield, Kingfisher	3 hr
Mar 17, 3:46 AM CDT	Areal Flood Advisory	OUN	Garfield, Kay, Logan, Noble	3 hr
Mar 17, 4:01 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Payne	27 min
Mar 17, 5:40 AM CDT	Severe Thunderstorm Warning	OUN	Bryan	35 min
Mar 17, 6:11 AM CDT	Severe Thunderstorm Warning	OUN	Bryan	34 min
Mar 17, 8:45 AM CDT	River Flood Advisory	OUN	Major, Woods, Woodward	11 hr
Mar 17, 8:55 AM CDT	River Flood Advisory	OUN	Blaine, Canadian	28 hr
Mar 17, 8:58 AM CDT	River Flood Advisory	OUN	Kingfisher, Logan	64 hr
Mar 17, 9:01 AM CDT	River Flood Advisory	OUN	Blaine, Caddo, Canadian, Custer	11 hr
Mar 17, 12:57 PM CDT	River Flood Advisory	OUN	Kingfisher	18 hr
Mar 17, 3:21 PM CDT	Special Weather Statement	OUN	Pottawatomie	24 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2021 Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.