Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 4, NWS Amarillo, TX

April 15, 2016Texas County, Oklahoma

NWS Amarillo, TX issued this tornado warning at Apr 15, 2016, 8:12 PM CDT for Texas County, Oklahoma. It was in force for 48 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: Apr 15, 2016, 8:12 PM CDT (01:12 UTC)
Expired: Apr 15, 2016, 9:00 PM CDT
In force: 48 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Observed
Hail: 1.75 in

County Texas County, OK

The radar

The Dodge City radar (KDDC), 186 km from the middle of the area, began a volume at 01:13 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, 8:19 PM CDT	TORNADO	6 Nne Eva, OK	TORNADO WAS ON THE GROUND FOR SEVERAL MINUTES NORTH OF EVA AND NEAR 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, 1.2 hours before the alert went out and 188 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.

612 
WFUS54 KAMA 160112
TORAMA
OKC139-160200-
/O.NEW.KAMA.TO.W.0004.160416T0112Z-160416T0200Z/

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

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN TEXAS COUNTY IN THE PANHANDLE OF OKLAHOMA...

* UNTIL 900 PM CDT

* AT 811 PM CDT...A CONFIRMED TORNADO WAS LOCATED 6 MILES SOUTH OF
  ELKHART...MOVING NORTHEAST AT 40 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. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHWESTERN TEXAS COUNTY.

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 3691 10159 3679 10176 3694 10203 3699 10203
      3699 10175
TIME...MOT...LOC 0111Z 215DEG 35KT 3691 10188 

TORNADO...OBSERVED
HAIL...1.75IN

$$

CE

2 follow-up statements

218 
WWUS54 KAMA 160123
SVSAMA

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

OKC139-160200-
/O.CON.KAMA.TO.W.0004.000000T0000Z-160416T0200Z/
TEXAS OK-
823 PM CDT FRI APR 15 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN TEXAS COUNTY...
    
AT 823 PM CDT...A CONFIRMED TORNADO WAS LOCATED 4 MILES SOUTH OF
WILBURTON...MOVING NORTHEAST AT 40 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. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN TEXAS COUNTY.

LAT...LON 3692 10161 3681 10180 3694 10203 3699 10203
      3699 10175
TIME...MOT...LOC 0123Z 215DEG 35KT 3701 10180 

TORNADO...OBSERVED
HAIL...1.75IN

$$

CE

666 
WWUS54 KAMA 160132 RRA
SVSAMA

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

OKC139-160200-
/O.CON.KAMA.TO.W.0004.000000T0000Z-160416T0200Z/
TEXAS OK-
832 PM CDT FRI APR 15 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN TEXAS COUNTY...
    
AT 832 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER WILBURTON...MOVING NORTHEAST AT 40 MPH.

HAZARD...TORNADO AND GOLF BALL 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
NORTHWESTERN TEXAS COUNTY.

LAT...LON 3693 10163 3690 10178 3694 10203 3699 10203
      3699 10175
TIME...MOT...LOC 0132Z 215DEG 35KT 3708 10174 

TORNADO...RADAR INDICATED
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, 7:52 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron, Texas	23 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, 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.