Alert archive / Oklahoma / Tornado Warnings in 2021

Tornado Warning 33, NWS Amarillo, TX

May 30, 2021Cimarron County, Oklahoma

NWS Amarillo, TX issued this tornado warning at May 30, 2021, 6:26 PM CDT for Cimarron County, Oklahoma. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 30, 2021, 6:26 PM CDT (23:26 UTC)
Expired: May 30, 2021, 6:47 PM CDT
In force: 21 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Cimarron County, OK

The radar

The Amarillo radar (KAMA), 203 km from the middle of the area, began a volume at 23:29 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 30, 4:42 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.4 hours before the alert went out and 203 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: 64 J/kg
Mixed-layer CIN: -307 J/kg
Mixed-layer LCL: 1320 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

402 
WFUS54 KAMA 302326
TORAMA
OKC025-310015-
/O.NEW.KAMA.TO.W.0033.210530T2326Z-210531T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Amarillo TX
626 PM CDT Sun May 30 2021

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  North central Cimarron County in the Panhandle of Oklahoma...

* Until 715 PM CDT.
    
* At 626 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 12 miles south of Campo, or 13 miles north of Boise
  City, moving northeast at 15 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  north central Cimarron County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3699 10220 3681 10257 3696 10270 3700 10265
TIME...MOT...LOC 2326Z 240DEG 15KT 3692 10258 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DGW

1 follow-up statement

799 
WWUS54 KAMA 302347 RRA
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
647 PM CDT Sun May 30 2021

OKC025-302357-
/O.CAN.KAMA.TO.W.0033.000000T0000Z-210531T0015Z/
Cimarron OK-
647 PM CDT Sun May 30 2021

...THE TORNADO WARNING FOR NORTH CENTRAL CIMARRON COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until midnight CDT for the
Panhandle of Oklahoma.

LAT...LON 3699 10220 3681 10257 3696 10270 3700 10265
TIME...MOT...LOC 2345Z 240DEG 15KT 3696 10248 

$$

DGW

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 7:45 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	AMA	Cimarron	45 min
May 29, 8:27 PM CDT	Tornado Warning	AMA	Cimarron	48 min
May 29, 9:05 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	55 min
May 29, 9:51 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	AMA	Cimarron	54 min
May 29, 10:41 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	64 min
May 29, 11:48 PM CDT	Special Weather Statement	AMA	Cimarron	27 min
May 30, 12:04 AM CDT	Special Weather Statement	AMA	Cimarron	56 min
May 30, 1:03 PM CDT	Special Weather Statement	AMA	Beaver	42 min
May 30, 1:19 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	26 min
May 30, 2:27 PM CDT	Flood Watch	AMA	Beaver, Cimarron, Texas	17 hr
May 30, 3:35 PM CDT	Special Weather Statement	AMA	Cimarron	25 min
May 30, 4:35 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	40 min
May 30, 5:08 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	28 min
May 30, 5:14 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	61 min
May 30, 5:35 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	55 min
May 30, 5:39 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	51 min
May 30, 5:49 PM CDT	Tornado Warning	AMA	Cimarron	41 min
May 30, 6:14 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	46 min
May 30, 6:46 PM CDT	Areal Flood Advisory	AMA	Cimarron	4 hr
May 30, 6:54 PM CDT	Tornado Warning	AMA	Cimarron	51 min
May 30, 6:58 PM CDT	Tornado Warning	AMA	Cimarron	47 min

Nearby

Tornado Warnings in Oklahoma, 2021 Every tornado warning in 2021 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.