Alert archive / Texas / Wind Advisories in 2021

Wind Advisory 4, NWS Amarillo, TX

March 10, 2021Cimarron County, Oklahoma; Dallam County, Hartley County, Oldham County, Texas

NWS Amarillo, TX issued this wind advisory at Mar 10, 2021, 11:35 AM CST for Cimarron County, Oklahoma; Dallam County, Hartley County, Oldham County, Texas. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Mar 10, 2021, 11:35 AM CST (17:35 UTC)
Expired
Mar 10, 2021, 6:00 PM CST
In force
6 hr
Issued by
NWS Amarillo, TX

Counties Cimarron County, OK, Dallam County, TX, Hartley County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 122 km from the middle of the area, began a volume at 17:32 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, 5.6 hours before the alert went out and 123 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 2021-03-10Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2021-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 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
2227 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

627 
WWUS74 KAMA 101735
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
1135 AM CST Wed Mar 10 2021

OKZ001-TXZ001-006-011-110000-
/O.NEW.KAMA.WI.Y.0004.210310T1735Z-210311T0000Z/
Cimarron-Dallam-Hartley-Oldham-
Including the cities of Boise City, Keyes, Dalhart, Hartley, 
Channing, and Vega
1135 AM CST Wed Mar 10 2021

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

* WHAT...Southwest winds 30 to 39 mph with gusts up to 50 mph.

* WHERE...In Oklahoma, Cimarron County. In Texas, Dallam, 
  Hartley and Oldham Counties.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. A few
  power outages are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Bieda
1 follow-up statement
153 
WWUS74 KAMA 110027
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
627 PM CST Wed Mar 10 2021

OKZ001-TXZ001-006-011-110130-
/O.EXP.KAMA.WI.Y.0004.000000T0000Z-210311T0000Z/
Cimarron-Dallam-Hartley-Oldham-
Including the cities of Boise City, Keyes, Dalhart, Hartley, 
Channing, and Vega
627 PM CST Wed Mar 10 2021

...WIND ADVISORY HAS EXPIRED...

The sustained wind speeds have diminished to below 25 mph.
Therefore, the Wind Advisory was allowed to expire on schedule.

$$

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.