Alert archive / Oklahoma / Tornado Warnings in 2007

Tornado Warning 56, NWS Amarillo, TX

May 31, 2007Texas County, Oklahoma

NWS Amarillo, TX issued this tornado warning at May 31, 2007, 7:58 PM CDT for Texas County, Oklahoma. It was in force for 32 min. 7 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 31, 2007, 7:58 PM CDT (00:58 UTC)
Expired
May 31, 2007, 8:30 PM CDT
In force
32 min
Issued by
NWS Amarillo, TX
Area
Counties, with a storm outline in the text

County Texas County, OK

The radar

The Amarillo radar (KAMA), 180 km from the middle of the area, began a volume at 01:00 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

TimeReportWhereRemark
May 31, 7:58 PM CDTTORNADO13 Nw Guymon, OKNEAR MUNCY
May 31, 8:02 PM CDTHAIL 1.751 N Eva, OK
May 31, 8:06 PM CDTTORNADO7 Sw Hough, OKVARIOUS STAGES OF THIS TORNADO WERE CONFIRMED BY MULTIPLE SOURCES...ON GROUND FOR ROUGHLY 11 MINUTES
May 31, 8:16 PM CDTTORNADO5 Ssw Hough, OKSPC FORECASTER REPORTED A BRIEF TORNADO WHICH LASTED LESS THAN A MINUTE
May 31, 8:24 PM CDTTORNADO5 Wnw Guymon, OKNEAR UNITY
May 31, 8:38 PM CDTTSTM WND GST 682 W Guymon, OK
May 31, 8:40 PM CDTHAIL 2.757 Nw Guymon, OKBASEBALL SIZE HAIL OBSERVED 7 MILES WEST OF HIGHWAY 136 ON HIGHWAY 64

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.

IssuedProductOfficeLasted
May 31, 3:29 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.0 hours before the alert went out and 180 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-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2007-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2316 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2007-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2316 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
1473 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.6
Supercell composite
10.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KAMA 010058
TORAMA
OKC139-010130-
/O.NEW.KAMA.TO.W.0056.070601T0058Z-070601T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
758 PM CDT THU MAY 31 2007

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 752 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES
  SOUTHWEST OF HOUGH...OR ABOUT 15 MILES NORTHWEST OF GUYMON...MOVING
  EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GUYMON...
  HOUGH...
  EVA...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...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 3699 10202 3671 10201 3658 10142 3698 10142

$$
2 follow-up statements
000 
WWUS54 KAMA 010111
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
809 PM CDT THU MAY 31 2007

OKC139-010130-
/O.CON.KAMA.TO.W.0056.000000T0000Z-070601T0130Z/
TEXAS OK-
809 PM CDT THU MAY 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WESTERN
TEXAS COUNTY...

AT 800 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS
LOCATED 9 MILES SOUTHWEST OF HOUGH...OR ABOUT 13 MILES NORTHWEST OF 
GUYMON...MOVING EAST SOUTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GUYMON...
  HOUGH...
  EVA...

AT 802 PM CDT...COUNTY OFFICIALS REPORTED GOLFBALL SIZE HAIL 1 MILE 
NORTH OF EVA. 

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...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.

LAT...LON 3699 10202 3671 10201 3658 10142 3698 10142

$$
000 
WWUS54 KAMA 010121
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
820 PM CDT THU MAY 31 2007

OKC139-010130-
/O.CON.KAMA.TO.W.0056.000000T0000Z-070601T0130Z/
TEXAS OK-
820 PM CDT THU MAY 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WESTERN
TEXAS COUNTY...

AT 813 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS POSSIBLE 
TORNADO WAS LOCATED 8 MILES SOUTHWEST OF HOUGH...OR ABOUT 12 MILES  
WEST NORTHWEST OF GUYMON...MOVING EAST SOUTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GUYMON...
  HOUGH...
  EVA...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 3699 10202 3671 10201 3658 10142 3698 10142

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 7:07 PM CDTSevere Thunderstorm WarningAMATexas53 min
May 31, 7:16 PM CDTSevere Thunderstorm WarningAMACimarron59 min
May 31, 7:18 PM CDTTornado WarningAMATexas42 min
May 31, 8:29 PM CDTTornado WarningAMATexas31 min
May 31, 8:58 PM CDTSevere Thunderstorm WarningAMATexas62 min
May 31, 9:47 PM CDTSevere Thunderstorm WarningAMABeaver58 min
May 31, 10:44 PM CDTSevere Thunderstorm WarningAMABeaver42 min

Nearby

Tornado Warnings in Oklahoma, 2007Every tornado warning in 2007Tornadoes in 2007

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.