Alert archive / Texas / Wind Advisories in 2012

Wind Advisory 17, NWS Amarillo, TX

December 14, 20124 counties in Texas

NWS Amarillo, TX issued this wind advisory at Dec 14, 2012, 6:30 AM CST for 4 counties in Texas. It took effect at Dec 14, 2012, 2:00 PM CST. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 14, 2012, 6:30 AM CST (12:30 UTC)
In effect from
Dec 14, 2012, 2:00 PM CST
Expired
Dec 14, 2012, 6:00 PM CST
In force
4 hr
Issued by
NWS Amarillo, TX

Counties Deaf Smith County, TX, Oldham County, TX, Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 49 km from the middle of the area, began a volume at 12:29 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.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 0.5 hours before the alert went out and 50 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 2012-12-14Temperature 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 2012-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897117136156Sfc1 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
1556 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
64 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.

635 
WWUS74 KAMA 141230
NPWAMA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
630 AM CST FRI DEC 14 2012

...STRONG WINDS EXPECTED ACROSS THE SOUTHWESTERN TEXAS PANHANDLE THIS
AFTERNOON...

.A STRONG STORM SYSTEM WILL LIFT NORTHEAST ACROSS THE FOUR CORNERS
REGION THIS AFTERNOON AND THEN ACROSS THE PANHANDLES THIS EVENING.
AHEAD OF THIS SYSTEM...A STRONG COLD FRONT WILL MOVE FROM WEST TO
EAST ACROSS THE TEXAS AND OKLAHOMA PANHANDLES THIS AFTERNOON. BEHIND
THIS FRONT...SUSTAINED SOUTHWEST WINDS WILL INCREASE TO 35 MPH
WITH GUSTS TO AROUND 50 MPH. WINDS ARE EXPECTED TO DECREASE AROUND
SUNSET THIS EVENING...ALTHOUGH THEY WILL REMAIN BREEZY TONIGHT.

TXZ011-012-016-017-142030-
/O.NEW.KAMA.WI.Y.0017.121214T2000Z-121215T0000Z/
OLDHAM-POTTER-DEAF SMITH-RANDALL-
INCLUDING THE CITIES OF...VEGA...AMARILLO...HEREFORD...CANYON
630 AM CST FRI DEC 14 2012

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM CST
THIS EVENING FOR THE SOUTHWEST TEXAS PANHANDLE...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM
CST THIS EVENING. 

* EVENT...STRONG SOUTHWEST WINDS OF 35 MPH WITH GUSTS UP TO 50 MPH
  WILL DEVELOP BEHIND A STRONG COLD FRONT. 

* TIMING...THIS FRONT WILL MOVE FROM WEST TO EAST ACROSS THE TEXAS
  AND OKLAHOMA PANHANDLES THIS AFTERNOON. STRONG SOUTHWEST WINDS WILL
  DEVELOP BEHIND THE FRONT...MOST LIKELY BETWEEN 2 PM AND 6 PM CST.
  WINDS SHOULD DECREASE TO 20 TO 30 MPH AROUND SUNSET.

* IMPACTS...TRAVEL MAY BECOME HAZARDOUS...ESPECIALLY FOR HIGH
  PROFILE VEHICLES AND VEHICLES TRAVELING ON NORTH TO SOUTH ORIENTED
  HIGHWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CLK
2 follow-up statements
050 
WWUS74 KAMA 142030
NPWAMA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
230 PM CST FRI DEC 14 2012

...STRONG WINDS EXPECTED ACROSS THE SOUTHWESTERN TEXAS PANHANDLE
THIS AFTERNOON...

.A STRONG STORM SYSTEM WILL LIFT NORTHEAST ACROSS THE FOUR
CORNERS REGION THIS AFTERNOON AND THEN ACROSS THE PANHANDLES THIS
EVENING. AHEAD OF THIS SYSTEM...A STRONG COLD FRONT WILL MOVE
FROM WEST TO EAST ACROSS THE TEXAS AND OKLAHOMA PANHANDLES THIS
AFTERNOON. BEHIND THIS FRONT...SUSTAINED SOUTHWEST WINDS WILL
INCREASE TO 35 MPH WITH GUSTS TO AROUND 50 MPH. WINDS ARE
EXPECTED TO DECREASE AROUND SUNSET THIS EVENING...ALTHOUGH THEY
WILL REMAIN BREEZY TONIGHT.

TXZ011-012-016-017-150000-
/O.CON.KAMA.WI.Y.0017.000000T0000Z-121215T0000Z/
OLDHAM-POTTER-DEAF SMITH-RANDALL-
INCLUDING THE CITIES OF...VEGA...AMARILLO...HEREFORD...CANYON
230 PM CST FRI DEC 14 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* EVENT...STRONG SOUTHWEST WINDS OF 35 MPH WITH GUSTS UP TO 50 
  MPH WILL DEVELOP BEHIND A STRONG COLD FRONT. 

* TIMING...THIS FRONT WILL MOVE FROM WEST TO EAST ACROSS THE 
  TEXAS AND OKLAHOMA PANHANDLES THIS AFTERNOON. STRONG SOUTHWEST 
  WINDS WILL DEVELOP BEHIND THE FRONT...MOST LIKELY BETWEEN 2 PM 
  AND 6 PM CST. WINDS SHOULD DECREASE TO 20 TO 30 MPH AROUND 
  SUNSET. 

* IMPACTS...TRAVEL MAY BECOME HAZARDOUS...ESPECIALLY FOR HIGH 
  PROFILE VEHICLES AND VEHICLES TRAVELING ON NORTH TO SOUTH 
  ORIENTED HIGHWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

JOHNSON
587 
WWUS74 KAMA 142349
NPWAMA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
549 PM CST FRI DEC 14 2012

TXZ011-012-016-017-150100-
/O.EXP.KAMA.WI.Y.0017.000000T0000Z-121215T0000Z/
OLDHAM-POTTER-DEAF SMITH-RANDALL-
INCLUDING THE CITIES OF...VEGA...AMARILLO...HEREFORD...CANYON
549 PM CST FRI DEC 14 2012

...WIND ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...

WINDS WILL CONTINUE TO DIMINISH QUICKLY. THUS...THE WIND ADVISORY
FOR THE SOUTHWESTERN TEXAS PANHANDLE WILL BE ALLOWED TO EXPIRE AT 6
PM CST.

$$

JOHNSON

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 14, 2:17 PM CSTSpecial Weather StatementAMADeaf Smith, Oldham28 min
Dec 14, 2:32 PM CSTSpecial Weather StatementAMADeaf Smith, Oldham28 min
Dec 14, 2:40 PM CSTSpecial Weather StatementAMADeaf Smith, Oldham35 min
Dec 14, 2:54 PM CSTSpecial Weather StatementAMAOldham36 min
Dec 14, 3:05 PM CSTSevere Thunderstorm WarningAMADeaf Smith, Oldham55 min
Dec 14, 3:25 PM CSTSevere Thunderstorm WarningAMAMoore, Potter, Randall95 min
Dec 14, 4:03 PM CSTSevere Thunderstorm WarningAMAArmstrong, Carson, Hutchinson73 min
Dec 14, 4:12 PM CSTAreal Flood AdvisoryAMAPotter, Randall108 min
Dec 14, 4:19 PM CSTTornado WarningAMAArmstrong, Carson26 min
Dec 14, 4:42 PM CSTSpecial Weather StatementAMADonley, Gray, Roberts33 min
Dec 14, 4:48 PM CSTSevere Thunderstorm WarningAMADonley, Gray52 min
Dec 14, 4:53 PM CSTTornado WarningAMADonley27 min
Dec 14, 4:54 PM CSTTornado WarningAMAGray26 min
Dec 14, 5:13 PM CSTSevere Thunderstorm WarningAMACollingsworth, Wheeler68 min
Dec 14, 5:39 PM CSTSpecial Weather StatementAMAHemphill, Lipscomb36 min

Nearby

Wind Advisories in Texas, 2012Every wind advisory in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.