Alert archive / Texas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 21, NWS Midland/Odessa, TX

May 2, 2018Terrell County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 2, 2018, 5:18 PM CDT for Terrell County, Texas. It was in force for 27 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: May 2, 2018, 5:18 PM CDT (22:18 UTC)
Expired: May 2, 2018, 5:45 PM CDT
In force: 27 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Hail: 2.0 in
Wind: 70.0 mph

County Terrell County, TX

The radar

The San Angelo radar (KSJT), 167 km from the middle of the area, began a volume at 22:21 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 2, 4:41 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 12:00Z, 10.3 hours before the alert went out and 135 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: 2419 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 481 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 205 m²/s²
0-3 km storm-relative helicity: 300 m²/s²
Significant tornado parameter: 2.5
Supercell composite: 7.0

Open this sounding in Storm Lab

The text

As transmitted.

542 
WUUS54 KMAF 022218
SVRMAF
TXC443-022245-
/O.NEW.KMAF.SV.W.0021.180502T2218Z-180502T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
518 PM CDT WED MAY 2 2018

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  East central Terrell County in southwestern Texas...

* Until 545 PM CDT

* At 518 PM CDT, a severe thunderstorm was located 14 miles south of
  Terrell County Gas Plant, or 20 miles northeast of Dryden, moving
  northeast at 15 mph.

  HAZARD...Two inch 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. 

* This severe thunderstorm will remain over mainly rural areas of
  east central Terrell County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3034 10167 3035 10170 3033 10174 3029 10176
      3004 10176 3009 10187 3017 10191 3046 10170
      3041 10173 3040 10170 3038 10170 3036 10166
      3034 10166
TIME...MOT...LOC 2218Z 219DEG 15KT 3017 10180 

HAIL...2.00IN
WIND...70MPH
 
$$

4

1 follow-up statement

362 
WWUS54 KMAF 022236
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
536 PM CDT WED MAY 2 2018

TXC443-022246-
/O.EXP.KMAF.SV.W.0021.000000T0000Z-180502T2245Z/
Terrell TX-
536 PM CDT WED MAY 2 2018

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL TERRELL COUNTY
WILL EXPIRE AT 545 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A severe thunderstorm watch remains in effect until 200 AM CDT for
southwestern Texas.

LAT...LON 3034 10167 3035 10170 3033 10174 3029 10176
      3004 10176 3009 10187 3017 10191 3046 10170
      3041 10173 3040 10170 3038 10170 3036 10166
      3034 10166
TIME...MOT...LOC 2236Z 219DEG 15KT 3022 10175 

$$

33

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 10:38 PM CDT	Red Flag Warning	MAF	Andrews, Borden, Crane, Dawson, Ector, Gaines and 7 more	23 hr
May 2, 12:22 PM CDT	High Wind Warning	MAF		10 hr
May 2, 3:20 PM CDT	Special Weather Statement	MAF	Terrell	25 min
May 2, 3:33 PM CDT	Severe Thunderstorm Warning	MAF	Pecos, Terrell	42 min
May 2, 4:42 PM CDT	Severe Thunderstorm Warning	MAF	Terrell	33 min
May 2, 6:13 PM CDT	Severe Thunderstorm Warning	MAF	Reagan	32 min

Nearby

Severe Thunderstorm Warnings in Texas, 2018 Every severe thunderstorm warning in 2018

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.