Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 19, NWS Midland/Odessa, TX

April 13, 2021Gaines County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Apr 13, 2021, 4:17 PM CDT for Gaines County, Texas. It was in force for 43 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 13, 2021, 4:17 PM CDT (21:17 UTC)
Expired: Apr 13, 2021, 5:00 PM CDT
In force: 43 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Gaines County, TX

The radar

The Midland/Odessa radar (KMAF), 101 km from the middle of the area, began a volume at 21:18 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.

What was reported inside it

Time	Report	Where	Remark
Apr 13, 4:35 PM CDT	HAIL 1	Seminole, TX

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 9.3 hours before the alert went out and 100 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1216 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 332 m²/s²
0-3 km storm-relative helicity: 417 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

As transmitted.

259 
WUUS54 KMAF 132117
SVRMAF
TXC165-132200-
/O.NEW.KMAF.SV.W.0019.210413T2117Z-210413T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
417 PM CDT Tue Apr 13 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  Central Gaines County in western Texas...

* Until 500 PM CDT.

* At 417 PM CDT, a severe thunderstorm was located over Seminole,
  moving northeast at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Seminole, Seagraves, Seagraves Airport, Gaines County Airport, Loop
  and Gaines County Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3284 10223 3258 10269 3268 10282 3296 10258
      3296 10247
TIME...MOT...LOC 2117Z 223DEG 25KT 3272 10266 

HAIL...1.00IN
WIND...60MPH
 
$$

24

2 follow-up statements

550 
WWUS54 KMAF 132129
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
429 PM CDT Tue Apr 13 2021

TXC165-132200-
/O.CON.KMAF.SV.W.0019.000000T0000Z-210413T2200Z/
Gaines TX-
429 PM CDT Tue Apr 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR NORTHEASTERN GAINES COUNTY...

At 429 PM CDT, a severe thunderstorm was located over Seminole,
moving northeast at 25 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Seminole, Seagraves, Seagraves Airport, Gaines County Airport, Loop
and Gaines County Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3264 10258 3272 10278 3296 10258 3296 10247
      3284 10223
TIME...MOT...LOC 2129Z 223DEG 21KT 3274 10263 

HAIL...1.75IN
WIND...60MPH
 
$$

24

974 
WWUS54 KMAF 132148
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
448 PM CDT Tue Apr 13 2021

TXC165-132200-
/O.CON.KMAF.SV.W.0019.000000T0000Z-210413T2200Z/
Gaines TX-
448 PM CDT Tue Apr 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR NORTHEASTERN GAINES COUNTY...

At 448 PM CDT, a severe thunderstorm was located 8 miles south of
Seagraves, moving northeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Seagraves, Seagraves Airport, Loop and Gaines County Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3272 10251 3280 10267 3296 10258 3296 10247
      3284 10223
TIME...MOT...LOC 2148Z 225DEG 21KT 3282 10253 

HAIL...1.00IN
WIND...60MPH
 
$$

24

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 3:36 PM CDT	Special Weather Statement	MAF	Gaines	39 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.