Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 310, NWS Midland/Odessa, TX

September 30, 2021Jeff Davis County, Presidio County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Sep 30, 2021, 1:53 PM CDT for Jeff Davis County, Presidio County, Texas. It was in force for 52 min. 2 reports 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
Sep 30, 2021, 1:53 PM CDT (18:53 UTC)
Expired
Sep 30, 2021, 2:45 PM CDT
In force
52 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Jeff Davis County, TX, Presidio County, TX

The radar

The Midland/Odessa radar (KMAF), 239 km from the middle of the area, began a volume at 18:55 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

TimeReportWhereRemark
Sep 30, 2:09 PM CDTHAIL 110 Sw Mcdonald Observat, TXLOTS OF QUARTER SIZE HAIL COVERING THE GROUND AT BLOYS CAMP.
Sep 30, 2:10 PM CDTHAIL 113 Wnw Fort Davis, TXCOCORAHS REPORT OF QUARTER SIZE HAIL.

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, 6.9 hours before the alert went out and 239 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 2021-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1726 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 2021-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.19395878Sfc1 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
1726 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

690 
WUUS54 KMAF 301853
SVRMAF
TXC243-377-301945-
/O.NEW.KMAF.SV.W.0310.210930T1853Z-210930T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
153 PM CDT Thu Sep 30 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  Southeastern Jeff Davis County in southwestern Texas...
  North central Presidio County in southwestern Texas...

* Until 245 PM CDT.

* At 153 PM CDT, a severe thunderstorm was located over Bloys Camp, 
  or 15 miles west of Fort Davis, moving northeast at 25 mph. At 
  150 PM CDT, public reported quarter size hail near Bloys Camp.

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

  SOURCE...Public.

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

* Locations impacted include...
  Fort Davis, Bloys Camp, McDonald Observatory, Davis Mountains State
  Park, Black Mountain, Indian Lodge and Fort Davis National
  Historical Site.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3034 10413 3050 10439 3088 10415 3071 10375
TIME...MOT...LOC 1853Z 218DEG 20KT 3057 10415 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

24
2 follow-up statements
187 
WWUS54 KMAF 301904
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
204 PM CDT Thu Sep 30 2021

TXC243-377-301945-
/O.CON.KMAF.SV.W.0310.000000T0000Z-210930T1945Z/
Jeff Davis TX-Presidio TX-
204 PM CDT Thu Sep 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR SOUTHEASTERN JEFF DAVIS AND NORTH CENTRAL PRESIDIO COUNTIES...

At 204 PM CDT, a severe thunderstorm was located near Bloys Camp, or
11 miles west of Fort Davis, moving northeast at 20 mph.

HAZARD...Golf ball size hail and 70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Fort Davis, Bloys Camp, McDonald Observatory, Davis Mountains State
Park, Black Mountain, Indian Lodge and Fort Davis National Historical
Site.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3034 10413 3050 10439 3088 10415 3071 10375
TIME...MOT...LOC 1904Z 222DEG 19KT 3060 10409 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

24
568 
WWUS54 KMAF 301927
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
227 PM CDT Thu Sep 30 2021

TXC377-301936-
/O.CAN.KMAF.SV.W.0310.000000T0000Z-210930T1945Z/
Presidio TX-
227 PM CDT Thu Sep 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PRESIDIO COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3088 10415 3071 10375 3044 10403 3058 10434
TIME...MOT...LOC 1926Z 226DEG 17KT 3064 10400 

$$

TXC243-301945-
/O.CON.KMAF.SV.W.0310.000000T0000Z-210930T1945Z/
Jeff Davis TX-
227 PM CDT Thu Sep 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR SOUTHEASTERN JEFF DAVIS COUNTY...

At 226 PM CDT, a severe thunderstorm was located over McDonald
Observatory, or 7 miles northwest of Fort Davis, moving northeast at
20 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...
Fort Davis, Bloys Camp, McDonald Observatory, Davis Mountains State
Park, Black Mountain, Indian Lodge and Fort Davis National Historical
Site.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3088 10415 3071 10375 3044 10403 3058 10434
TIME...MOT...LOC 1926Z 226DEG 17KT 3064 10400 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

24

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 30, 10:17 AM CDTSpecial Weather StatementMAFGaines43 min
Sep 30, 10:33 AM CDTSpecial Weather StatementMAFAndrews42 min
Sep 30, 10:51 AM CDTSevere Thunderstorm WarningMAFAndrews24 min
Sep 30, 11:13 AM CDTSevere Thunderstorm WarningMAFAndrews, Dawson, Gaines, Martin47 min
Sep 30, 12:09 PM CDTSpecial Weather StatementMAFMartin36 min
Sep 30, 12:22 PM CDTSevere Thunderstorm WarningMAFHoward, Martin53 min
Sep 30, 1:14 PM CDTSevere Thunderstorm WarningMAFHoward, Mitchell46 min
Sep 30, 1:43 PM CDTSpecial Weather StatementMAFJeff Davis47 min
Sep 30, 1:46 PM CDTSpecial Weather StatementMAF44 min
Sep 30, 1:59 PM CDTSevere Thunderstorm WarningMAFBorden, Howard, Mitchell, Scurry61 min
Sep 30, 2:29 PM CDTSpecial Weather StatementMAFPecos46 min
Sep 30, 2:46 PM CDTSpecial Weather StatementMAFJeff Davis44 min
Sep 30, 2:50 PM CDTSpecial Weather StatementMAFBrewster40 min
Sep 30, 2:54 PM CDTAreal Flood AdvisoryMAFHoward, Mitchell3 hr
Sep 30, 3:09 PM CDTAreal Flood AdvisoryMAFMitchell, Scurry3 hr
Sep 30, 3:12 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell63 min
Sep 30, 3:14 PM CDTAreal Flood AdvisoryMAFJeff Davis3 hr
Sep 30, 3:28 PM CDTSpecial Weather StatementMAF47 min
Sep 30, 3:31 PM CDTSevere Thunderstorm WarningMAFBrewster44 min
Sep 30, 3:37 PM CDTSpecial Weather StatementMAF53 min
Sep 30, 4:03 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos57 min
Sep 30, 4:10 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell65 min
Sep 30, 4:14 PM CDTSpecial Weather StatementMAFGlasscock46 min
Sep 30, 4:34 PM CDTSpecial Weather StatementMAFBrewster41 min
Sep 30, 4:53 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos, Terrell52 min
Sep 30, 4:56 PM CDTAreal Flood AdvisoryMAFPecos, Terrell3 hr
Sep 30, 5:21 PM CDTSpecial Weather StatementMAFTerrell39 min
Sep 30, 6:41 PM CDTSpecial Weather StatementMAFTerrell34 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every 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.