Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 63, NWS Amarillo, TX

October 17, 2007Randall County, Texas

NWS Amarillo, TX issued this tornado warning at Oct 17, 2007, 12:11 AM CDT for Randall County, Texas. It was in force for 34 min. 5 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: Oct 17, 2007, 12:11 AM CDT (05:11 UTC)
Expired: Oct 17, 2007, 12:45 AM CDT
In force: 34 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

County Randall County, TX

The radar

The Amarillo radar (KAMA), 39 km from the middle of the area, began a volume at 05:11 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
Oct 17, 12:16 AM CDT	TORNADO	10 Ese Buffalo Lake, TX	START POINT OF TORNADO TRACK...BEGAN IN A FIELD SOUTH OF WEST DOWLEN RD AND EAST OF SOUTH HOPE RD...AND CONTINUED NORTHEAST FOR 12 MILES TO JUST SOUTH OF E CEMETERY ROAD...RATED HIGH END EF1.
Oct 17, 12:18 AM CDT	TSTM WND GST 60	10 Ese Buffalo Lake, TX	REPORTED VERY STRONG WINDS AND WIND DRIVEN HAIL
Oct 17, 12:23 AM CDT	TORNADO	9 S Canyon, TX	START POINT OF PRELIMINARY TORNADO TRACK...BEGAN NEAR HIGHWAY 87 AND NORTH OF W LAWRENCE ROAD...AND CONTINUED NORTHEAST FOR 7 MILES TO JUST SOUTH OF E CEMETERY ROAD...UPDATES WILL BE FORTHCOMING AS SURVEY CONTINUES
Oct 17, 12:30 AM CDT	HAIL 0.88	7 Ese Canyon, TX	NICKEL HAIL...BLINDING RAIN AND STRONG WINDS
Oct 17, 12:35 AM CDT	TORNADO	8 Wsw Palo Duro Canyon, TX	END POINT OF PRELIMINARY TORNADO TRACK...BEGAN NEAR HIGHWAY 87 AND NORTH OF W LAWRENCE ROAD...AND CONTINUED NORTHEAST FOR 7 MILES TO JUST SOUTH OF E CEMETERY ROAD.

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
Oct 16, 11:45 PM CDT	Severe Thunderstorm Watch	SPC	2 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 5.2 hours before the alert went out and 39 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: 234 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 2083 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KAMA 170511
TORAMA
TXC381-170545-
/O.NEW.KAMA.TO.W.0063.071017T0511Z-071017T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1211 AM CDT WED OCT 17 2007

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  RANDALL COUNTY IN THE PANHANDLE OF TEXAS...
  THIS INCLUDES THE CITY OF CANYON...

* UNTIL 1245 AM CDT

* AT 1206 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES SOUTH
  OF CANYON...MOVING NORTHEAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  CANYON BY 1220 AM CDT
  LAKE TANGLEWOOD BY 1230 AM CDT

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT
WEDNESDAY MORNING FOR CENTRAL TEXAS.

LAT...LON 3474 10191 3474 10198 3482 10212 3513 10190
      3514 10172 3506 10164
TIME...MOT...LOC 0511Z 213DEG 44KT 3485 10196

$$

JJB

1 follow-up statement

000 
WWUS54 KAMA 170524
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
1224 AM CDT WED OCT 17 2007

TXC381-170545-
/O.CON.KAMA.TO.W.0063.000000T0000Z-071017T0545Z/
RANDALL TX-
1224 AM CDT WED OCT 17 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR EASTERN
RANDALL COUNTY...

AT 1221 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS 
THUNDERSTORM WAS LOCATED 8 MILES SOUTH OF CANYON...MOVING NORTHEAST 
AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LAKE TANGLEWOOD...
  TIMBERCREEK CANYON...
  CANYON...

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT
WEDNESDAY MORNING FOR CENTRAL TEXAS.

LAT...LON 3481 10187 3482 10195 3488 10199 3501 10190
      3512 10175 3506 10164
TIME...MOT...LOC 0524Z 225DEG 32KT 3489 10186

$$

JJB

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 16, 11:28 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter, Randall	49 min
Oct 16, 11:47 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Randall	58 min
Oct 17, 12:06 AM CDT	Tornado Warning	AMA	Armstrong, Randall	24 min
Oct 17, 12:16 AM CDT	Severe Thunderstorm Warning	AMA	Hutchinson	44 min
Oct 17, 12:47 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Potter, Randall	58 min
Oct 17, 12:49 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray	56 min
Oct 17, 2:03 AM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Roberts	41 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.