Alert archive / Texas / Wind Advisories in 2017

Wind Advisory 8, NWS Amarillo, TX

April 27, 2017Deaf Smith County, Oldham County, Texas

NWS Amarillo, TX issued this wind advisory at Apr 27, 2017, 3:57 AM CDT for Deaf Smith County, Oldham County, Texas. It took effect at Apr 27, 2017, 1:00 PM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 2017, 3:57 AM CDT (08:57 UTC)
In effect from
Apr 27, 2017, 1:00 PM CDT
Expired
Apr 27, 2017, 5:10 PM CDT
In force
4 hr
Issued by
NWS Amarillo, TX

Counties Deaf Smith County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 08:59 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 00:00Z, 9.0 hours before the alert went out and 82 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 2017-04-27Temperature 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 00:00Z on 2017-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939587897Sfc1 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
2240 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

714 
WWUS74 KAMA 270857
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
357 AM CDT Thu Apr 27 2017

TXZ011-016-272100-
/O.NEW.KAMA.WI.Y.0008.170427T1800Z-170428T0100Z/
Oldham-Deaf Smith-
Including the cities of Vega and Hereford
357 AM CDT Thu Apr 27 2017

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT
THIS EVENING...

The National Weather Service in Amarillo has issued a Wind
Advisory...which is in effect from 1 PM this afternoon to 8 PM
CDT this evening for Oldham and Deaf Smith counties.

* Timing...1 pm this afternoon until 8 pm this evening.

* Winds...west 30 to 35 mph with gusts up to 55 mph.

* Impacts...Sudden wind gusts can cause drivers to lose 
  control... especially in lightweight or high profile vehicles. 
  Strong winds can cause blowing dust...reducing visibilities...
  and cause flying debris. Light outdoor objects could be moved 
  by the strong winds.

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.

&&

$$
1 follow-up statement
321 
WWUS74 KAMA 272210
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
510 PM CDT Thu Apr 27 2017

TXZ011-016-272315-
/O.CAN.KAMA.WI.Y.0008.000000T0000Z-170428T0100Z/
Oldham-Deaf Smith-
Including the cities of Vega and Hereford
510 PM CDT Thu Apr 27 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Amarillo has cancelled the Wind
Advisory.

The west and southwest winds have diminished to under 35 mph and 
strong winds are no longer expected through the remainder of this 
evening.

$$

Schneider

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 4:09 PM CDTSpecial Weather StatementAMAOchiltree36 min
Apr 27, 4:12 PM CDTSpecial Weather StatementAMAHemphill, Wheeler48 min
Apr 27, 4:14 PM CDTSpecial Weather StatementAMAOldham31 min
Apr 27, 4:39 PM CDTSpecial Weather StatementAMAHutchinson36 min

Nearby

Wind Advisories in Texas, 2017Every wind advisory in 2017

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.