Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Midland/Odessa, TX

April 2, 2017Terrell County, Texas

NWS Midland/Odessa, TX issued this special weather statement at Apr 2, 2017, 1:33 AM CDT for Terrell County, Texas. It was in force for 42 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
Apr 2, 2017, 1:33 AM CDT (06:33 UTC)
Expired
Apr 2, 2017, 2:15 AM CDT
In force
42 min
Issued by
NWS Midland/Odessa, TX

County Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 166 km from the middle of the area, began a volume at 06:33 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

Del Rio, TX (KDLF), launched 00:00Z, 6.6 hours before the alert went out and 163 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, Del Rio, TX at 00:00Z on 2017-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 564 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, Del Rio, TX at 00:00Z on 2017-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939587897Sfc1 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
564 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
2447 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

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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 Apr 2, 12:15 AM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Apr 2, 12:15 AM CDT, 1 hour 18 minutes before
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Hazardous weather outlook, Apr 1, 1:28 PM CDT, 12 hours 5 minutes before
Hazardous Weather Outlook
National Weather Service Midland/Odessa TX
128 PM CDT Sat Apr 1 2017

NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075-
079>082-258-021830-
Guadalupe Mountains of Eddy County-Eddy County Plains-
Northern Lea County-Central Lea County-Southern Lea County-Gaines-
Dawson-Borden-Scurry-Andrews-Martin-Howard-Mitchell-
Van Horn and Highway 54 Corridor-Reeves County and Upper Trans Pecos-
Loving-Winkler-Ector-Midland-Glasscock-Ward-Crane-Upton-Reagan-
Davis/Apache Mountains Area-Pecos-Presidio Valley-Marfa Plateau-
Big Bend Area-Terrell-Guadalupe Mountains-
128 PM CDT Sat Apr 1 2017 /1228 PM MDT Sat Apr 1 2017/

This hazardous weather outlook is for portions of southeast New
Mexico, southwest Texas and western Texas.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Thunderstorm chances increase tonight across the area, with the best
chance across the eastern Permian Basin south through the Lower Trans
Pecos, Stockton Plateau, and eastern portions of the Big Bend Area.
Some storms may be strong to severe, with threats including large
hail, damaging wind, and frequent lightning. Heavy rainfall will also
be possible, particularly over the Lower Trans Pecos, where
localized flooding concerns may develop.

Very windy conditions are expected through Guadalupe Pass beginning
late this evening, where a High Wind Warning is in effect.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

Thunderstorm chances will persist through the day Sunday, especially
across the Permian Basin, Lower Trans Pecos and Stockton Plateau.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late tonight.

This product, along with other watches, warnings, advisories,
and statements issued by the National Weather Service Office in
Midland, can be found on the internet at...
http://weather.gov/midland

In the hours before

Special weather statement, Apr 1, 10:52 PM CDT, 2 hours 41 minutes before
Special Weather Statement
National Weather Service Midland/Odessa TX
1052 PM CDT SAT APR 1 2017

TXZ081-020415-
Big Bend Area TX-
1052 PM CDT SAT APR 1 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN BREWSTER COUNTY
UNTIL 1115 PM CDT...

At 1052 PM CDT, Doppler radar was tracking a strong thunderstorm 18
miles south of Longfellow, or 24 miles southwest of Sanderson, moving
north at 20 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

This storm will remain over mainly rural areas of northeastern
Brewster County.

LAT...LON 2981 10262 2985 10282 3018 10277 3001 10251
TIME...MOT...LOC 0352Z 193DEG 16KT 2991 10270

10
Special weather statement, Apr 1, 11:41 PM CDT, 1 hour 52 minutes before
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Special weather statement, Apr 1, 11:54 PM CDT, 1 hour 39 minutes before
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Special weather statement, Apr 2, 12:05 AM CDT, 1 hour 28 minutes before
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Special weather statement, Apr 2, 12:51 AM CDT, 42 minutes before
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Special weather statement, Apr 2, 1:33 AM 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
Apr 1, 10:52 PM CDTSpecial Weather StatementMAF23 min
Apr 1, 11:04 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos, Terrell56 min
Apr 1, 11:41 PM CDTSpecial Weather StatementMAFBrewster34 min
Apr 1, 11:45 PM CDTAreal Flood AdvisoryMAFBrewster, Pecos, Terrell3 hr
Apr 1, 11:54 PM CDTSpecial Weather StatementMAFBrewster51 min
Apr 2, 12:05 AM CDTSpecial Weather StatementMAFReagan40 min
Apr 2, 12:51 AM CDTSpecial Weather StatementMAFTerrell39 min
Apr 2, 4:54 AM CDTAreal Flood AdvisoryMAFCrane, Pecos, Upton3 hr
Apr 2, 4:57 AM CDTAreal Flood AdvisoryMAFGlasscock, Howard, Midland, Mitchell, Reagan, Upton3 hr

Nearby

Special Weather Statements in Texas, 2017Every special weather statement in 2017

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.