Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Midland/Odessa, TX

April 27, 2021Howard County, Texas

NWS Midland/Odessa, TX issued this special weather statement at Apr 27, 2021, 6:21 PM CDT for Howard County, Texas. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 27, 2021, 6:21 PM CDT (23:21 UTC)
Expired
Apr 27, 2021, 7:15 PM CDT
In force
54 min
Issued by
NWS Midland/Odessa, TX

County Howard County, TX

The radar

The Midland/Odessa radar (KMAF), 96 km from the middle of the area, began a volume at 23:23 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

Midland Regional, TX (KMAF), launched 12:00Z, 11.4 hours before the alert went out and 96 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, Midland Regional, TX at 12:00Z on 2021-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 joules per kilogram.LCLLFCEL10008507005003002001001 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, Midland Regional, TX at 12:00Z on 2021-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 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
32 J/kg
Mixed-layer CIN
-262 J/kg
Mixed-layer LCL
2595 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

431 
WWUS84 KMAF 272321
SPSMAF

Special Weather Statement
National Weather Service Midland/Odessa TX
621 PM CDT Tue Apr 27 2021
 
TXZ047-048-051>053-063-280015-
Mitchell TX-Martin TX-Scurry TX-Glasscock TX-Howard TX-Borden TX-
621 PM CDT Tue Apr 27 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL GLASSCOCK...
SOUTHWESTERN SCURRY...NORTHWESTERN MITCHELL...EASTERN BORDEN...HOWARD
AND EAST CENTRAL MARTIN COUNTIES UNTIL 715 PM CDT...

At 620 PM CDT, Doppler radar was tracking strong thunderstorms near 
Lomax, or 8 miles southwest of Big Spring, moving northeast at 45 
mph.

Half inch hail and wind gusts of 50 to 55 mph will be possible with
these storms.

Locations impacted include...
Big Spring, Snyder, Coahoma, Fluvanna, Sand Springs, Lomax, Colorado
City Airport, J B Thomas Reservoir, Luther, Westbrook, Vincent,
Randalls Corner, Winston Field, Cuthbert, Knapp, Buford, Big Spring
Country Club, Dunn, Big Spring McMahon-Wrinkle Airpark and Knott.

This includes Interstate 20 between mile markers 160 and 206, and
near mile marker 210.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3204 10160 3221 10185 3296 10124 3296 10121
      3252 10071
TIME...MOT...LOC 2320Z 221DEG 49KT 3219 10160 

$$

87

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 8:20 PM CDTRed Flag WarningMAFAndrews, Brewster, Culberson, Gaines, Jeff Davis, Loving and 5 more25 hr
Apr 27, 3:28 AM CDTHigh Wind WarningMAFCulberson18 hr
Apr 27, 4:43 PM CDTDust Storm AdvisoryMAFAndrews, Martin, Midland32 min
Apr 27, 4:54 PM CDTSpecial Weather StatementMAFMartin36 min
Apr 27, 5:09 PM CDTSpecial Weather StatementMAFBorden51 min
Apr 27, 5:34 PM CDTSpecial Weather StatementMAFBorden, Howard, Martin41 min
Apr 27, 6:34 PM CDTSpecial Weather StatementMAFMidland41 min
Apr 27, 6:54 PM CDTSpecial Weather StatementMAFScurry51 min

Nearby

Special Weather Statements in Texas, 2021Every special weather statement 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.