Alert archive / Texas / Special Weather Statements in 2013

Special Weather Statement, NWS Midland/Odessa, TX

August 7, 2013

NWS Midland/Odessa, TX issued this special weather statement at Aug 7, 2013, 11:38 AM CDT. It was in force for 37 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 7, 2013, 11:38 AM CDT (16:38 UTC)
Expired
Aug 7, 2013, 12:15 PM CDT
In force
37 min
Issued by
NWS Midland/Odessa, TX

The radar

The Midland/Odessa radar (KMAF), 186 km from the middle of the area, began a volume at 16:37 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, 4.6 hours before the alert went out and 185 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 2013-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 237 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2013-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939Sfc1 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
237 J/kg
Mixed-layer CIN
-219 J/kg
Mixed-layer LCL
2335 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-6 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 7, 6:26 AM CDT, 5 hours 12 minutes earlier.

Area forecast discussion, Aug 7, 6:26 AM CDT, 5 hours 12 minutes before
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Hazardous weather outlook, Aug 7, 3:30 AM CDT, 8 hours 8 minutes before
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In the hours before

Special weather statement, Aug 7, 11:38 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1138 AM CDT WED AUG 7 2013

TXZ058-074-075-071715-
PECOS-DAVIS/APACHE MOUNTAINS AREA-REEVES COUNTY AND UPPER TRANS PECOS-
1138 AM CDT WED AUG 7 2013

...SIGNIFICANT WEATHER ADVISORY FOR STRONG THUNDERSTORMS AFFECTING
EAST CENTRAL JEFF DAVIS...SOUTH CENTRAL REEVES AND WEST CENTRAL PECOS
COUNTIES UNTIL 1215 PM CDT...

A STRONG THUNDERSTORM WAS LOCATED 19 MILES SOUTH OF BALMORHEA NEAR
STAR MOUNTAIN AT 1138 AM CDT...MOVING NORTH AT 15 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS TO 55 MPH ... SMALL HAIL... LOCAL HEAVY RAIN... AND
DEADLY LIGHTNING ARE POSSIBLE.

&&

LAT...LON 3100 10375 3092 10335 3061 10362 3067 10382
TIME...MOT...LOC 1638Z 201DEG 11KT 3071 10369

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 7:15 PM CDTAreal Flood AdvisoryMAFHoward3 hr
Aug 6, 7:26 PM CDTSpecial Weather StatementMAFHoward34 min
Aug 6, 7:52 PM CDTSpecial Weather StatementMAFBorden53 min
Aug 7, 12:05 PM CDTSpecial Weather StatementMAFReeves25 min
Aug 7, 12:48 PM CDTSpecial Weather StatementMAFReeves42 min
Aug 7, 2:17 PM CDTSpecial Weather StatementMAFWinkler28 min
Aug 7, 3:05 PM CDTAreal Flood AdvisoryMAFPecos3 hr
Aug 7, 3:17 PM CDTSpecial Weather StatementMAF28 min
Aug 7, 3:28 PM CDTSpecial Weather StatementMAFPecos62 min
Aug 7, 4:01 PM CDTAreal Flood AdvisoryMAFAndrews, Gaines3 hr
Aug 7, 4:13 PM CDTSpecial Weather StatementMAFGaines32 min
Aug 7, 4:35 PM CDTSpecial Weather StatementMAFTerrell25 min
Aug 7, 5:12 PM CDTSpecial Weather StatementMAFBorden63 min
Aug 7, 5:28 PM CDTSpecial Weather StatementMAFCochran62 min
Aug 7, 6:01 PM CDTAreal Flood AdvisoryMAFReagan, Upton3 hr

Nearby

Special Weather Statements in Texas, 2013Every special weather statement in 2013

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.