Alert archive / Oklahoma / Tornado Warnings in 2021

Tornado Warning 25, NWS Amarillo, TX

May 29, 2021Cimarron County, Oklahoma

NWS Amarillo, TX issued this tornado warning at May 29, 2021, 9:51 PM CDT for Cimarron County, Oklahoma. It was in force for 54 min. 4 reports 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: May 29, 2021, 9:51 PM CDT (02:51 UTC)
Expired: May 29, 2021, 10:45 PM CDT
In force: 54 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Observed
Damage threat: Considerable
Hail: 4.5 in

County Cimarron County, OK

The radar

The Amarillo radar (KAMA), 197 km from the middle of the area, began a volume at 02:51 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
May 29, 10:08 PM CDT	TORNADO	12 Nw Boise City, OK	ANOTHER LARGE TORNADO HAS TOUCHED DOWN DAMAGE AT 10:08 PM. POWER FLASHES WERE NOTED WITH THIS TORNADO. TORNADO ONGOING AT TIME OF REPORT.
May 29, 10:08 PM CDT	TORNADO	12 Nw Boise City, OK	CORRECTS PREVIOUS TORNADO REPORT FROM 12 NW BOISE CITY. CORRECTS PREVIOUS TORNADO REPORT FROM 12 NW BOISE CITY. ANOTHER LARGE TORNADO HAS TOUCHED DOWN DAMAGE AT 10:08 PM. POWER FLASHES WERE NOTED WITH THIS TORNADO. TORNADO LIFTED AT 10:31 PM.
May 29, 10:47 PM CDT	HAIL 2.75	8 Nw Boise City, OK	CORRECTS PREVIOUS REPORT 7 N OF FELT TO BE 8 NW OF BOISE CITY. LATE REPORT OF BASEBALL SIZE HAIL, WITH TIME ESTIMATED FROM RADAR.
May 29, 10:51 PM CDT	HAIL 0.75	11 N Boise City, 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
May 29, 7:28 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.9 hours before the alert went out and 198 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: 70 J/kg
Mixed-layer CIN: -344 J/kg
Mixed-layer LCL: 758 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

965 
WFUS54 KAMA 300251
TORAMA
OKC025-300345-
/O.NEW.KAMA.TO.W.0025.210530T0251Z-210530T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Amarillo TX
951 PM CDT Sat May 29 2021

The National Weather Service in Amarillo has issued a

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

* Until 1045 PM CDT.

* At 951 PM CDT, a confirmed large and extremely dangerous tornado 
  was located 15 miles northwest of Boise City, moving southeast at 
  20 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Weather spotters confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* Locations impacted include...
  Boise City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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.

This storm has a history of producing tornadoes. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3687 10232 3658 10266 3686 10285 3700 10267
      3700 10266
TIME...MOT...LOC 0251Z 316DEG 11KT 3686 10276 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...4.50IN

$$

Bieda

4 follow-up statements

202 
WWUS54 KAMA 300301
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1001 PM CDT Sat May 29 2021

OKC025-300345-
/O.CON.KAMA.TO.W.0025.000000T0000Z-210530T0345Z/
Cimarron OK-
1001 PM CDT Sat May 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR CENTRAL
CIMARRON COUNTY...
    
At 1000 PM CDT, a confirmed large and extremely dangerous tornado 
was located 13 miles northwest of Boise City, moving southeast at 20 
mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Live storm chaser video confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Boise City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A large and extremely dangerous tornado is on the ground. take
immediate tornado precautions. this is an emergency situation.

&&

LAT...LON 3687 10232 3658 10266 3687 10282 3700 10267
      3700 10266
TIME...MOT...LOC 0300Z 316DEG 11KT 3684 10274 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

Bieda

880 
WWUS54 KAMA 300311
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1011 PM CDT Sat May 29 2021

OKC025-300345-
/O.CON.KAMA.TO.W.0025.000000T0000Z-210530T0345Z/
Cimarron OK-
1011 PM CDT Sat May 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR CENTRAL
CIMARRON COUNTY...
    
At 1010 PM CDT, a confirmed large and extremely dangerous tornado was
located 12 miles northwest of Boise City, moving southeast at 20 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Storm chaser confirmed a large tornado causing damage 12 
         miles northwest of Boise City.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Boise City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

A large and extremely dangerous tornado is on the ground. take
immediate tornado precautions. this is an emergency situation.

&&

LAT...LON 3685 10281 3698 10263 3685 10234 3658 10266
TIME...MOT...LOC 0310Z 316DEG 11KT 3683 10273 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.75IN

$$

Bieda

028 
WWUS54 KAMA 300324
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1024 PM CDT Sat May 29 2021

OKC025-300345-
/O.CON.KAMA.TO.W.0025.000000T0000Z-210530T0345Z/
Cimarron OK-
1024 PM CDT Sat May 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR CENTRAL
CIMARRON COUNTY...
    
At 1023 PM CDT, a confirmed large and extremely dangerous tornado was
located 9 miles northwest of Boise City, moving southeast at 20 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Live storm chaser video showing damaging tornado 9 miles 
         northwest of Boise City.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Boise City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

A large and extremely dangerous tornado is on the ground. take
immediate tornado precautions. this is an emergency situation.

&&

LAT...LON 3685 10281 3698 10263 3685 10234 3658 10266
TIME...MOT...LOC 0323Z 299DEG 22KT 3681 10266 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.75IN

$$

Bieda

499 
WWUS54 KAMA 300342
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1042 PM CDT Sat May 29 2021

OKC025-300352-
/O.EXP.KAMA.TO.W.0025.000000T0000Z-210530T0345Z/
Cimarron OK-
1042 PM CDT Sat May 29 2021

...THE TORNADO WARNING FOR CENTRAL CIMARRON COUNTY WILL EXPIRE AT
1045 PM CDT...
                
The storm which prompted the warning no longer appears capable of 
producing a tornado.  Therefore, the tornado warning will be allowed 
to expire though will be replaced with a severe thunderstorm warning 
until 1145 PM CDT.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
the Panhandle of Oklahoma.

LAT...LON 3685 10281 3698 10263 3685 10234 3658 10266
TIME...MOT...LOC 0342Z 316DEG 11KT 3677 10261 

$$

Bieda

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, 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, 6:26 PM CDT	Tornado Warning	AMA	Cimarron	21 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.