Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Midland/Odessa, TX

July 4, 2017Glasscock County, Texas

NWS Midland/Odessa, TX issued this special weather statement at Jul 4, 2017, 5:33 PM CDT for Glasscock 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: Jul 4, 2017, 5:33 PM CDT (22:33 UTC)
Expired: Jul 4, 2017, 6:15 PM CDT
In force: 42 min
Issued by: NWS Midland/Odessa, TX

County Glasscock County, TX

The radar

The Midland/Odessa radar (KMAF), 74 km from the middle of the area, began a volume at 22:35 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.6 hours before the alert went out and 379 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: 52 J/kg
Mixed-layer CIN: -472 J/kg
Mixed-layer LCL: 2067 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 4, 2:10 PM CDT, 3 hours 23 minutes earlier.

Area forecast discussion, Jul 4, 2:10 PM CDT, 3 hours 23 minutes before

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Hazardous weather outlook, Jul 4, 1:29 PM CDT, 4 hours 4 minutes before

Hazardous Weather Outlook
National Weather Service Midland/Odessa TX
129 PM CDT Tue Jul 4 2017

NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075-
079>082-258-051830-
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-
129 PM CDT Tue Jul 4 2017 /1229 PM MDT Tue Jul 4 2017/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

Scattered thunderstorms are expected to develop this afternoon, with
the best chances across the Permian Basin and southwest towards the
Davis and Guadalupe Mountains.  Some storms may become strong
enough to produce strong downburst winds, heavy rainfall, localized
flash flooding, frequent lightning, and hail.

Tonight, a cluster of storms called a Mesoscale Convective System
is expected to drop south into southeastern New Mexico and the
Permian Basin.  Some storms may become strong enough for
downburst winds, heavy rainfall, localized flash flooding,
frequent lightning, and small hail.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Chances of thunderstorms continue into Wednesday.  Some storms may
become strong, capable of producing strong downburst winds, heavy
rainfall, localized flash flooding, frequent lightning, and small
hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

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, Jul 4, 3:45 PM CDT, 1 hour 48 minutes before

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Special weather statement, Jul 4, 4:00 PM CDT, 1 hour 33 minutes before

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Special weather statement, Jul 4, 4:31 PM CDT, 1 hour 2 minutes before

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Special weather statement, Jul 4, 4:50 PM CDT, 43 minutes before

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Special weather statement, Jul 4, 4:59 PM CDT, 34 minutes before

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Special weather statement, Jul 4, 5:33 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.

Issued	Product	Office	Counties	Lasted
Jul 3, 7:07 PM CDT	Flash Flood Warning	MAF	Ector	4 hr
Jul 3, 8:03 PM CDT	River Flood Warning	MAF	Presidio	17 hr
Jul 3, 8:21 PM CDT	Areal Flood Advisory	MAF	Glasscock	114 min
Jul 4, 2:37 PM CDT	Special Weather Statement	MAF	Pecos	53 min
Jul 4, 3:33 PM CDT	Special Weather Statement	MAF	Mitchell	27 min
Jul 4, 3:45 PM CDT	Special Weather Statement	MAF	Glasscock	30 min
Jul 4, 3:56 PM CDT	Areal Flood Advisory	MAF	Borden, Howard, Mitchell, Scurry	2 hr
Jul 4, 4:00 PM CDT	Special Weather Statement	MAF	Mitchell	30 min
Jul 4, 4:02 PM CDT	Areal Flood Advisory	MAF	Jeff Davis	118 min
Jul 4, 4:31 PM CDT	Special Weather Statement	MAF	Howard	29 min
Jul 4, 4:50 PM CDT	Special Weather Statement	MAF	Scurry	40 min
Jul 4, 4:59 PM CDT	Special Weather Statement	MAF	Howard	31 min
Jul 4, 5:07 PM CDT	Areal Flood Advisory	MAF	Mitchell	113 min
Jul 4, 5:39 PM CDT	Areal Flood Advisory	MAF	Scurry	2 hr
Jul 4, 5:40 PM CDT	Special Weather Statement	MAF	Scurry	35 min
Jul 4, 5:41 PM CDT	Special Weather Statement	MAF	Scurry	34 min
Jul 4, 6:06 PM CDT	Special Weather Statement	MAF	Brewster	39 min
Jul 4, 6:34 PM CDT	Areal Flood Advisory	MAF	Glasscock, Reagan	116 min

Nearby

Special Weather Statements in Texas, 2017 Every 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.