Alert archive / Oklahoma / Tornado Warnings in 2008

Tornado Warning 21, NWS Amarillo, TX

June 15, 2008Beaver County, Oklahoma; Ochiltree County, Texas

NWS Amarillo, TX issued this tornado warning at Jun 15, 2008, 7:10 PM CDT for Beaver County, Oklahoma; Ochiltree County, Texas. It was in force for 50 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: Jun 15, 2008, 7:10 PM CDT (00:10 UTC)
Expired: Jun 15, 2008, 8:00 PM CDT
In force: 50 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Beaver County, OK, Ochiltree County, TX

The radar

The Amarillo radar (KAMA), 159 km from the middle of the area, began a volume at 00:10 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
Jun 15, 7:10 PM CDT	TORNADO	6 Wnw Booker, TX	DISSIPATED NEAR HIGHWAY 15 AT 715 PM...6 MILES WEST OF BOOKER
Jun 15, 7:20 PM CDT	HAIL 0.75	12 Ene Perryton, TX
Jun 15, 7:34 PM CDT	HAIL 1.5	9 Ne Perryton, TX
Jun 15, 7:54 PM CDT	HAIL 2.5	9 E Perryton, TX

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
Jun 15, 7:01 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.2 hours before the alert went out and 159 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 6288 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KAMA 160010
TORAMA
OKC007-TXC357-160100-
/O.NEW.KAMA.TO.W.0021.080616T0010Z-080616T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
710 PM CDT SUN JUN 15 2008

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL BEAVER COUNTY IN THE PANHANDLE OF OKLAHOMA...
  NORTHEASTERN OCHILTREE COUNTY IN THE PANHANDLE OF TEXAS...
  THIS INCLUDES THE CITY OF PERRYTON...

* UNTIL 800 PM CDT

* AT 706 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES
  NORTHEAST OF PERRYTON...MOVING SOUTH AT 15 MPH.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS 
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY 
ALREADY BE ON THE GROUND OR COULD DEVELOP SHORTLY. IF YOU ARE IN THE 
PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL 
OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK 
SHELTER UNDER A HIGHWAY OVERPASS.

IF YOU ARE IN A MOBILE HOME OR VEHICLE...EVACUATE THEM AND GET INSIDE
A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

LAT...LON 3627 10057 3628 10091 3658 10074 3655 10055
TIME...MOT...LOC 0010Z 014DEG 18KT 3649 10070

$$

JORDAN

3 follow-up statements

000 
WWUS54 KAMA 160021
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
718 PM CDT SUN JUN 15 2008

OKC007-TXC357-160100-
/O.CON.KAMA.TO.W.0021.000000T0000Z-080616T0100Z/
BEAVER OK-OCHILTREE TX-
718 PM CDT SUN JUN 15 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHEASTERN OCHILTREE AND EXTREME SOUTH CENTRAL BEAVER COUNTIES...

AT 710 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM 
SPOTTERS WERE TRACKING A SEVERE THUNDERSTORM THAT WAS PRODUCING 
INTERMITTENT TORNADOES. THE AREA OF STRONGEST ROTATION WAS LOCATED 7 
MILES NORTHEAST OF PERRYTON ALONG THE OKLAHOMA AND TEXAS STATE 
LINE...MOVING SOUTH AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PERRYTON...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

LAT...LON 3650 10056 3643 10056 3642 10056 3627 10057
      3628 10091 3651 10075 3650 10055
TIME...MOT...LOC 0018Z 009DEG 8KT 3648 10069

$$

JORDAN

000 
WWUS54 KAMA 160046
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
743 PM CDT SUN JUN 15 2008

OKC007-160053-
/O.CAN.KAMA.TO.W.0021.000000T0000Z-080616T0100Z/
BEAVER OK-
743 PM CDT SUN JUN 15 2008

...THE TORNADO WARNING FOR EXTREME SOUTH CENTRAL BEAVER COUNTY IS
CANCELLED...

THE AREA OF ROTATION THAT PROMPTED THE TORNADO WARNING FOR BEAVER 
COUNTY HAS PUSHED SOUTH INTO TEXAS...THUS THE TORNADO WARNING FOR 
BEAVER COUNTY HAS BEEN CANCELLED.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

LAT...LON 3627 10057 3628 10081 3648 10070 3647 10056
      3645 10056 3644 10056 3643 10056
TIME...MOT...LOC 0043Z 006DEG 17KT 3638 10068

$$

TXC357-160100-
/O.CON.KAMA.TO.W.0021.000000T0000Z-080616T0100Z/
OCHILTREE TX-
743 PM CDT SUN JUN 15 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHEASTERN OCHILTREE COUNTY...

AT 738 PM CDT...TRAINED WEATHER SPOTTERS AND NATIONAL WEATHER 
SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM CAPABLE 
OF PRODUCING A TORNADO. THE AREA OF STRONGEST ROTATION IN THE STORM 
WAS LOCATED IN OCHILTREE COUNTY...OR ABOUT 7 MILES EAST OF 
PERRYTON...MOVING SOUTH AT 20 MPH.  THE CITY OF PERRYTON WILL BE 
MISSED BY THE TRACK OF STRONGEST ROTATION.

* LOCATIONS IMPACTED INCLUDE...
  AREAS EAST OF PERRYTON...WEST OF BOOKER...AND NORTH OF WOLF CREEK
  PARK.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

LAT...LON 3627 10057 3628 10081 3648 10070 3647 10056
      3645 10056 3644 10056 3643 10056
TIME...MOT...LOC 0043Z 006DEG 17KT 3638 10068

$$

JORDAN

000 
WWUS54 KAMA 160101
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
800 PM CDT SUN JUN 15 2008

TXC357-160110-
/O.EXP.KAMA.TO.W.0021.000000T0000Z-080616T0100Z/
OCHILTREE TX-
800 PM CDT SUN JUN 15 2008

...THE TORNADO WARNING FOR NORTHEASTERN OCHILTREE COUNTY HAS BEEN 
ALLOWED TO EXPIRE...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE ROTATION WITHIN 
THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED 
CONSIDERABLY.  THEREFORE THE TORNADO WARNING WAS ALLOWED TO EXPIRE.  
HOWEVER...THIS STORM IS STILL CAPABLE OF PRODUCING LARGE AND 
DAMAGING HAIL AND WILL ALSO KICK UP CONSIDERABLE AMOUNTS OF DUST 
AHEAD OF THE STORM.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

LAT...LON 3627 10057 3628 10081 3648 10070 3647 10056
      3645 10056 3644 10056 3643 10056
TIME...MOT...LOC 0100Z 293DEG 35KT 3631 10054

$$

JORDAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 7:08 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	68 min
Jun 15, 7:01 PM CDT	Tornado Warning	AMA	Collingsworth, Donley	14 min
Jun 15, 7:52 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	35 min

Nearby

Tornado Warnings in Oklahoma, 2008 Tornado Warnings in Texas, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.