Alert archive / Texas / Special Weather Statements in 2012

Special Weather Statement, NWS Midland/Odessa, TX

September 27, 2012Brewster County, Texas

NWS Midland/Odessa, TX issued this special weather statement at Sep 27, 2012, 4:49 PM CDT for Brewster County, Texas. It was in force for 26 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
Sep 27, 2012, 4:49 PM CDT (21:49 UTC)
Expired
Sep 27, 2012, 5:15 PM CDT
In force
26 min
Issued by
NWS Midland/Odessa, TX

County Brewster County, TX

The radar

The Midland/Odessa radar (KMAF), 209 km from the middle of the area, began a volume at 21:52 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, 9.8 hours before the alert went out and 209 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 2012-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1355 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 2012-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
1355 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
117 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 Sep 27, 2:28 PM CDT, 2 hours 21 minutes earlier.

Area forecast discussion, Sep 27, 2:28 PM CDT, 2 hours 21 minutes before
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Hazardous weather outlook, Sep 27, 1:51 PM CDT, 2 hours 58 minutes before
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In the hours before

Local storm report, Sep 27, 11:40 AM CDT, 5 hours 9 minutes before
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Local storm report, Sep 27, 11:42 AM CDT, 5 hours 7 minutes before
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Special weather statement, Sep 27, 4:49 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 7:07 PM CDTSpecial Weather StatementMAFMartin23 min
Sep 26, 7:31 PM CDTSpecial Weather StatementMAFMartin29 min
Sep 26, 8:00 PM CDTSpecial Weather StatementMAFBrewster30 min
Sep 26, 8:17 PM CDTAreal Flood AdvisoryMAFDawson3 hr
Sep 27, 1:50 PM CDTAreal Flood AdvisoryMAFGlasscock, Howard, Martin, Midland3 hr
Sep 27, 5:05 PM CDTAreal Flood AdvisoryMAFPecos3 hr
Sep 27, 5:12 PM CDTSpecial Weather StatementMAFWard33 min
Sep 27, 5:25 PM CDTAreal Flood AdvisoryMAFEctor3 hr
Sep 27, 6:04 PM CDTSpecial Weather StatementMAFWard26 min

Nearby

Special Weather Statements in Texas, 2012Every special weather statement in 2012

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.