Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 5, NWS Amarillo, TX

March 28, 2007Donley County, Texas

NWS Amarillo, TX issued this tornado warning at Mar 28, 2007, 6:41 PM CDT for Donley County, Texas. It was in force for 49 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: Mar 28, 2007, 6:41 PM CDT (23:41 UTC)
Expired: Mar 28, 2007, 7:30 PM CDT
In force: 49 min
Issued by: NWS Amarillo, TX
Area: Counties, with a storm outline in the text

County Donley County, TX

The radar

The Amarillo radar (KAMA), 84 km from the middle of the area, began a volume at 23:42 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
Mar 28, 7:05 PM CDT	TORNADO	12 Ssw Clarendon, TX	LONG TRACK TORNADO MOVED INTO DONLEY COUNTY
Mar 28, 7:15 PM CDT	HAIL 1	10 W Clarendon, TX
Mar 28, 7:22 PM CDT	TSTM WND GST 60	5 W Clarendon, TX	TRACTOR TRAILER TRUCK OVERTURNED
Mar 28, 7:39 PM CDT	TORNADO	3 Sw Jericho, TX	18 WHEELERS FLIPPED BY TORNADO AT REST STOP ON INTERSTATE 40.

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
Mar 28, 3:14 PM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.7 hours before the alert went out and 83 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: 693 J/kg
Mixed-layer CIN: -221 J/kg
Mixed-layer LCL: 1508 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KAMA 282342
TORAMA
TXC129-290030-
/O.NEW.KAMA.TO.W.0005.070328T2341Z-070329T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
641 PM CDT WED MAR 28 2007

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

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

* UNTIL 730 PM CDT

* AT 638 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 17 MILES
  SOUTHWEST OF CLARENDON...MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GREENBELT LAKE...
  HOWARDWICK...
  CLARENDON...
  LELIA LAKE...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
TENNIS BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3475 10075 3475 10087 3476 10089 3476 10108
       3518 10107 3518 10081 3517 10079 3516 10074

$$

JOHNSON

2 follow-up statements

000 
WWUS54 KAMA 290000
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
700 PM CDT WED MAR 28 2007

TXC129-290030-
/O.CON.KAMA.TO.W.0005.000000T0000Z-070329T0030Z/
DONLEY TX-
700 PM CDT WED MAR 28 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR WESTERN
DONLEY COUNTY...

AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A TORNADO. THIS TORNADO WAS LOCATED 10 MILES
SOUTHWEST OF CLARENDON...MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HOWARDWICK...
  GREENBELT LAKE...
  CLARENDON...
  LELIA LAKE...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING
FOR CENTRAL OKLAHOMA.

LAT...LON 3475 10075 3475 10087 3476 10089 3476 10108
      3518 10107 3518 10081 3517 10079 3516 10074

$$

JJB

000 
WWUS54 KAMA 290006
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
704 PM CDT WED MAR 28 2007

TXC129-290030-
/O.CON.KAMA.TO.W.0005.000000T0000Z-070329T0030Z/
DONLEY TX-
704 PM CDT WED MAR 28 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR DONLEY
COUNTY...

AT 703 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS 
TORNADO WAS LOCATED 12 MILES SOUTHWEST OF HEDLEY AND MOVING TOWARD 
HEDLEY. RESIDENTS IN HEDLEY...AND RESIDENTS SOUTHWEST OF HEDLEY NEED 
TO TAKE SHELTER IMMEDIATELY.  

* LOCATIONS IMPACTED INCLUDE...
  HEDLEY...
  LELIA LAKE...
  CLARENDON...
  GREENBELT LAKE...
  HOWARDWICK...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING
FOR CENTRAL OKLAHOMA.

LAT...LON 3475 10055 3475 10087 3476 10089 3476 10108
      3518 10107 3518 10081 3517 10079 3517 10056

$$

JJB

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 5:44 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	61 min
Mar 28, 5:54 PM CDT	Severe Thunderstorm Warning	AMA	Carson	66 min
Mar 28, 6:14 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter	61 min
Mar 28, 6:17 PM CDT	Severe Thunderstorm Warning	AMA	Ochiltree, Roberts	40 min
Mar 28, 6:23 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	67 min
Mar 28, 6:24 PM CDT	Severe Thunderstorm Warning	AMA	Donley	66 min
Mar 28, 6:39 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson	66 min
Mar 28, 6:45 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	60 min
Mar 28, 6:59 PM CDT	Severe Thunderstorm Warning	AMA	Carson	61 min

Nearby

Tornado Warnings in Texas, 2007 Every tornado warning in 2007 Tornadoes 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.