Alert archive / Texas / Special Weather Statements in 2014

Special Weather Statement, NWS Midland/Odessa, TX

August 20, 2014Brewster County, Texas

NWS Midland/Odessa, TX issued this special weather statement at Aug 20, 2014, 3:45 PM CDT for Brewster County, Texas. It was in force for 30 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: Aug 20, 2014, 3:45 PM CDT (20:45 UTC)
Expired: Aug 20, 2014, 4:15 PM CDT
In force: 30 min
Issued by: NWS Midland/Odessa, TX

County Brewster County, TX

The radar

The Laughlin AFB radar (KDFX), 239 km from the middle of the area, began a volume at 20:48 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, 8.8 hours before the alert went out and 249 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: 938 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 1116 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this special weather statement went out at Aug 20, 2:25 PM CDT, 1 hour 20 minutes earlier.

Area forecast discussion, Aug 20, 2:25 PM CDT, 1 hour 20 minutes before

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Hazardous weather outlook, Aug 20, 2:09 PM CDT, 1 hour 36 minutes before

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In the hours before

Special weather statement, Aug 20, 3:45 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
345 PM CDT WED AUG 20 2014

TXZ081-082-202115-
TERRELL-BIG BEND AREA-
345 PM CDT WED AUG 20 2014

...SIGNIFICANT WEATHER ADVISORY FOR STRONG THUNDERSTORMS AFFECTING
EAST CENTRAL BREWSTER AND SOUTHWESTERN TERRELL COUNTIES UNTIL 415 PM
CDT...

STRONG THUNDERSTORMS WERE LOCATED OVER EAST CENTRAL BREWSTER COUNTY
AT 344 PM CDT...MOVING NORTH AT 10 MPH. THESE THUNDERSTORMS ARE
CAPABLE OF WIND GUSTS NEAR 50 MPH...SMALL HAIL...AND BRIEF HEAVY
RAINFALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO HAIL AND STRONG WINDS... DEADLY CLOUD TO GROUND
LIGHTNING CAN BE EXPECTED. REMEMBER...IF YOU CAN HEAR THUNDER... YOU
ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER NOW.

&&

LAT...LON 2989 10310 3006 10244 2977 10242 2978 10250
      2974 10254 2976 10257 2973 10264 2973 10267
      2970 10269 2967 10269 2963 10273 2960 10274
      2957 10284
TIME...MOT...LOC 2044Z 176DEG 10KT 2980 10283

HUFFMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 4:11 PM CDT	Special Weather Statement	MAF	Crane	34 min
Aug 20, 4:28 PM CDT	Areal Flood Advisory	MAF	Pecos, Terrell	3 hr
Aug 20, 5:01 PM CDT	Special Weather Statement	MAF	Pecos	29 min
Aug 20, 5:30 PM CDT	Special Weather Statement	MAF	Crane	30 min
Aug 20, 5:54 PM CDT	Areal Flood Advisory	MAF	Crane, Pecos, Upton	3 hr
Aug 20, 6:06 PM CDT	Special Weather Statement	MAF	Ector	24 min
Aug 20, 6:33 PM CDT	Special Weather Statement	MAF	Martin	27 min
Aug 20, 6:50 PM CDT	Areal Flood Advisory	MAF	Ector, Midland	3 hr

Nearby

Special Weather Statements in Texas, 2014 Every special weather statement in 2014

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.