Alert archive / Texas / High Wind Warnings in 2011

High Wind Warning 3, NWS Amarillo, TX

April 10, 201115 counties in Texas

NWS Amarillo, TX issued this high wind warning at Apr 10, 2011, 12:21 PM CDT for 15 counties in Texas. It was in force for 7 hr. 7 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 10, 2011, 12:21 PM CDT (17:21 UTC)
Expired
Apr 10, 2011, 7:02 PM CDT
In force
7 hr
Issued by
NWS Amarillo, TX

Counties Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 35 km from the middle of the area, began a volume at 17:27 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
Apr 10, 12:22 PM CDTNON-TSTM WND GST 5811 Nnw Codman, TX
Apr 10, 12:25 PM CDTNON-TSTM WND GST 635 Nnw Pampa, TX
Apr 10, 12:30 PM CDTNON-TSTM WND GST 592 N Borger, TX
Apr 10, 12:35 PM CDTNON-TSTM WND GST 585 Nnw Pampa, TX
Apr 10, 12:37 PM CDTNON-TSTM WND GST 581 Nnw Hereford, TX
Apr 10, 12:57 PM CDTNON-TSTM WND GST 606 Ene Amarillo, TX
Apr 10, 2:28 PM CDTNON-TSTM WND GST 60Amarillo, TXWESTERN AND OLSEN POWER POLES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 5.4 hours before the alert went out and 34 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 12:00Z on 2011-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2011-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -186 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2464 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
-186 m²/s²
0-3 km storm-relative helicity
45 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.

501 
WWUS74 KAMA 101721
NPWAMA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
1221 PM CDT SUN APR 10 2011

TXZ006>020-110200-
/O.UPG.KAMA.WI.Y.0006.000000T0000Z-110411T0200Z/
/O.NEW.KAMA.HW.W.0003.110410T1721Z-110411T0200Z/
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
INCLUDING THE CITIES OF...HARTLEY...CHANNING...DUMAS...BORGER...
MIAMI...CANADIAN...VEGA...AMARILLO...PANHANDLE...WHITE DEER...
PAMPA...SHAMROCK...WHEELER...HEREFORD...CANYON...CLAUDE...
CLARENDON...WELLINGTON
1221 PM CDT SUN APR 10 2011

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR THE
CENTRAL AND SOUTHERN TEXAS PANHANDLE. THE WIND ADVISORY IS NO LONGER
IN EFFECT.

* TIMING: STRONG WEST WINDS WILL CONTINUE BEHIND A PACIFIC COLD
  FRONT ACROSS THE CENTRAL AND SOUTHERN TEXAS PANHANDLE THROUGH EARLY
  THIS EVENING BEFORE SUBSIDING.

* WINDS: WEST WINDS OF 35 TO 45 MPH WITH WITH GUSTS POSSIBLY
  EXCEEDING 60 MPH WILL CONTINUE THROUGH EARLY THIS EVENING BEFORE 
  DIMINISHING.

* IMPACTS: MOTORISTS SHOULD EXERCISE EXTREME CAUTION..ESPECIALLY ON
  NORTH AND SOUTH ROADS. STAY ALERT FOR THE POSSIBILITY OF FALLING
  TREE LIMBS AND DOWNED POWER LINES. OUTDOOR OBJECTS...INCLUDING
  PATIO FURNITURE...THAT ARE NOT SECURED PROPERLY MAY BE EASILY
  BLOWN AROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

JACKSON
2 follow-up statements
237 
WWUS74 KAMA 102020
NPWAMA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
320 PM CDT SUN APR 10 2011

TXZ006>020-110200-
/O.CON.KAMA.HW.W.0003.000000T0000Z-110411T0200Z/
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
INCLUDING THE CITIES OF...HARTLEY...CHANNING...DUMAS...BORGER...
MIAMI...CANADIAN...VEGA...AMARILLO...PANHANDLE...WHITE DEER...
PAMPA...SHAMROCK...WHEELER...HEREFORD...CANYON...CLAUDE...
CLARENDON...WELLINGTON
320 PM CDT SUN APR 10 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR THE CENTRAL AND SOUTHERN TEXAS PANHANDLE. 

* TIMING: STRONG WEST WINDS WILL CONTINUE ACROSS THE CENTRAL AND
  SOUTHERN TEXAS PANHANDLE THROUGH EARLY THIS EVENING BEFORE
  SUBSIDING.

* WINDS: WEST WINDS BETWEEN 30 AND 40 MPH WITH GUSTS UP TO 55 MPH
  WILL CONTINUE THROUGH EARLY THIS EVENING BEFORE DIMINISHING.

* IMPACTS: MOTORISTS SHOULD EXERCISE EXTREME CAUTION..ESPECIALLY 
  ON NORTH AND SOUTH ROADS. STAY ALERT FOR THE POSSIBILITY OF 
  FALLING TREE LIMBS AND DOWNED POWER LINES. OUTDOOR OBJECTS... 
  INCLUDING PATIO FURNITURE...THAT ARE NOT SECURED PROPERLY MAY 
  BE EASILY BLOWN AROUND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

JACKSON
178 
WWUS74 KAMA 110002
NPWAMA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
702 PM CDT SUN APR 10 2011

TXZ006>020-110115-
/O.CAN.KAMA.HW.W.0003.000000T0000Z-110411T0200Z/
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
INCLUDING THE CITIES OF...HARTLEY...CHANNING...DUMAS...BORGER...
MIAMI...CANADIAN...VEGA...AMARILLO...PANHANDLE...WHITE DEER...
PAMPA...SHAMROCK...WHEELER...HEREFORD...CANYON...CLAUDE...
CLARENDON...WELLINGTON
702 PM CDT SUN APR 10 2011

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CANCELLED THE HIGH
WIND WARNING. 

WINDS HAVE DIMINISHED TO 15 TO 25 MPH ACROSS THE WARNED AREA.
THEREFORE...THE HIGH WIND WARNING HAS BEEN CANCELLED.

$$

CLK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 4:33 AM CDTWind AdvisoryAMAArmstrong, Carson, Collingsworth, Deaf Smith, Donley, Gray and 9 more8 hr

Nearby

High Wind Warnings in Texas, 2011Every high wind warning in 2011

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.