Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 3, NWS Amarillo, TX

April 15, 2016Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this tornado warning at Apr 15, 2016, 7:52 PM CDT for Cimarron County, Texas County, Oklahoma. It was in force for 23 min. 3 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: Apr 15, 2016, 7:52 PM CDT (00:52 UTC)
Expired: Apr 15, 2016, 8:15 PM CDT
In force: 23 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Observed
Hail: 1.75 in

Counties Cimarron County, OK, Texas County, OK

The radar

The Amarillo radar (KAMA), 172 km from the middle of the area, began a volume at 00:56 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
Apr 15, 7:56 PM CDT	TORNADO	5 Sw Eva, OK	TORNADO LASTED ABOUT 3 MINUTES
Apr 15, 8:02 PM CDT	TORNADO	3 Wsw Eva, OK	THIS TORNADO WAS ON THE GROUND AROUND A COUPLE MINUTES
Apr 15, 8:16 PM CDT	TORNADO	5 E Sturgis, OK	TORNADO WAS ON THE GROUND FOR SEVERAL MINUTES NORTH OF EVA AND WEST OF STATE HWY 95.

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
Apr 15, 2:57 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.9 hours before the alert went out and 172 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: 1077 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1488 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

As transmitted.

280 
WFUS54 KAMA 160052
TORAMA
OKC025-139-160115-
/O.NEW.KAMA.TO.W.0003.160416T0052Z-160416T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
752 PM CDT FRI APR 15 2016

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL CIMARRON COUNTY IN THE PANHANDLE OF OKLAHOMA...
  WEST CENTRAL TEXAS COUNTY IN THE PANHANDLE OF OKLAHOMA...

* UNTIL 815 PM CDT

* AT 752 PM CDT...A CONFIRMED TORNADO WAS LOCATED 5 MILES WEST OF EVA...
  OR 16 MILES SOUTH OF ELKHART...MOVING NORTHEAST AT 45 MPH.

  HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL. 

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

  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. 

* LOCATIONS IMPACTED INCLUDE...
  EVA AND STURGIS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3665 10198 3678 10215 3697 10202 3677 10169
TIME...MOT...LOC 0052Z 221DEG 40KT 3678 10201 

TORNADO...OBSERVED
HAIL...1.75IN

$$

CE

2 follow-up statements

515 
WWUS54 KAMA 160056
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
756 PM CDT FRI APR 15 2016

OKC025-139-160115-
/O.CON.KAMA.TO.W.0003.000000T0000Z-160416T0115Z/
CIMARRON OK-TEXAS OK-
756 PM CDT FRI APR 15 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR EAST
CENTRAL CIMARRON AND WEST CENTRAL TEXAS COUNTIES...
        
AT 756 PM CDT...A CONFIRMED TORNADO WAS LOCATED OVER EVA...OR 14 MILES
SOUTH OF ELKHART...MOVING NORTHEAST AT 45 MPH.

HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL. 

SOURCE...RADAR CONFIRMED TORNADO. 

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. 

LOCATIONS IMPACTED INCLUDE...
EVA AND STURGIS. 

LAT...LON 3667 10193 3678 10215 3697 10202 3677 10169
TIME...MOT...LOC 0056Z 224DEG 41KT 3680 10195 

TORNADO...OBSERVED
HAIL...1.75IN

$$

CE

102 
WWUS54 KAMA 160104
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
804 PM CDT FRI APR 15 2016

OKC025-139-160115-
/O.CON.KAMA.TO.W.0003.000000T0000Z-160416T0115Z/
CIMARRON OK-TEXAS OK-
804 PM CDT FRI APR 15 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR EAST
CENTRAL CIMARRON AND WEST CENTRAL TEXAS COUNTIES...
        
AT 804 PM CDT...A CONFIRMED TORNADO WAS LOCATED OVER EVA...OR 11 MILES
SOUTH OF ELKHART...MOVING NORTHEAST AT 40 MPH.

HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL. 

SOURCE...RADAR CONFIRMED TORNADO. 

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. 

LOCATIONS IMPACTED INCLUDE...
EVA AND STURGIS. 

LAT...LON 3673 10194 3681 10213 3697 10202 3680 10174
TIME...MOT...LOC 0104Z 222DEG 36KT 3684 10190 

TORNADO...OBSERVED
HAIL...1.75IN

$$

CE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 7:01 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	59 min
Apr 15, 7:15 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	45 min
Apr 15, 8:00 PM CDT	Areal Flood Advisory	AMA	Cimarron	3 hr
Apr 15, 8:11 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	64 min
Apr 15, 8:12 PM CDT	Tornado Warning Tornado observed	AMA	Texas	48 min
Apr 15, 9:15 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	75 min
Apr 15, 10:30 PM CDT	Severe Thunderstorm Warning	AMA	Texas	45 min
Apr 15, 11:28 PM CDT	Special Weather Statement	AMA	Texas	62 min
Apr 16, 12:23 AM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	33 min
Apr 16, 1:27 AM CDT	Areal Flood Advisory	AMA	Cimarron	5 hr
Apr 16, 4:13 AM CDT	Flood Watch	AMA	Beaver	22 hr
Apr 16, 9:47 AM CDT	Areal Flood Warning	AMA	Cimarron, Texas	3 hr
Apr 16, 12:10 PM CDT	Flash Flood Warning	AMA	Cimarron, Texas	4 hr

Nearby

Tornado Warnings in Oklahoma, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.