Alert archive / Texas / Wind Advisories in 2021

Wind Advisory 10, NWS Amarillo, TX

April 27, 2021Cimarron County, Texas County, Oklahoma; Dallam County, Hartley County, Sherman County, Texas

NWS Amarillo, TX issued this wind advisory at Apr 27, 2021, 1:42 AM CDT for Cimarron County, Texas County, Oklahoma; Dallam County, Hartley County, Sherman County, Texas. It took effect at Apr 27, 2021, 12:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 2021, 1:42 AM CDT (06:42 UTC)
In effect from
Apr 27, 2021, 12:00 PM CDT
Expired
Apr 27, 2021, 6:58 PM CDT
In force
7 hr
Issued by
NWS Amarillo, TX

Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Hartley County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 135 km from the middle of the area, began a volume at 06:41 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, 6.7 hours before the alert went out and 136 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 2021-04-27Temperature 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 2021-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
4388 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

414 
WWUS74 KAMA 270642
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
142 AM CDT Tue Apr 27 2021

OKZ001-002-TXZ001-002-006-271700-
/O.NEW.KAMA.WI.Y.0010.210427T1700Z-210428T0000Z/
Cimarron-Texas-Dallam-Sherman-Hartley-
Including the cities of Channing, Boise City, Dalhart, Stratford,
Keyes, Hartley, and Guymon
142 AM CDT Tue Apr 27 2021

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS 
EVENING...

* WHAT...Southwest winds 30 to 39 mph with gusts up to 55 mph 
  expected.

* WHERE...In Oklahoma, Cimarron and Texas. In Texas, Dallam, Hartley 
  and Sherman.

* WHEN...From Noon today to 7 PM CDT this evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

LFM
2 follow-up statements
085 
WWUS74 KAMA 271800
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
100 PM CDT Tue Apr 27 2021

OKZ001-002-TXZ001-002-006-280000-
/O.CON.KAMA.WI.Y.0010.000000T0000Z-210428T0000Z/
Cimarron-Texas-Dallam-Sherman-Hartley-
Including the cities of Channing, Boise City, Dalhart, Stratford,
Keyes, Hartley, and Guymon
100 PM CDT Tue Apr 27 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Southwest winds 30 to 39 mph with gusts near 55 mph.

* WHERE...In Oklahoma, Cimarron and Texas. In Texas, Dallam, Hartley 
  and Sherman.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

Guerrero
895 
WWUS74 KAMA 272358
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
658 PM CDT Tue Apr 27 2021

OKZ001-002-TXZ001-002-006-280100-
/O.CAN.KAMA.WI.Y.0010.000000T0000Z-210428T0000Z/
Cimarron-Texas-Dallam-Sherman-Hartley-
Including the cities of Channing, Boise City, Dalhart, Stratford,
Keyes, Hartley, and Guymon
658 PM CDT Tue Apr 27 2021

...WIND ADVISORY IS CANCELLED...

The threat has ended.

$$

Schneider

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 5:30 PM CDTSpecial Weather StatementAMAGray30 min
Apr 27, 5:55 PM CDTSpecial Weather StatementAMAGray35 min
Apr 27, 6:06 PM CDTSpecial Weather StatementAMADonley39 min
Apr 27, 6:09 PM CDTSevere Thunderstorm WarningAMAGray, Hemphill, Roberts, Wheeler31 min

Nearby

Wind Advisories in Texas, 2021Wind Advisories in Oklahoma, 2021Every wind advisory in 2021

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.