Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Midland/Odessa, TX

September 18, 2021

NWS Midland/Odessa, TX issued this special weather statement at Sep 18, 2021, 4:46 PM CDT. It was in force for 44 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 18, 2021, 4:46 PM CDT (21:46 UTC)
Expired: Sep 18, 2021, 5:30 PM CDT
In force: 44 min
Issued by: NWS Midland/Odessa, TX
Hail: 0.25 in
Wind: 55

The radar

The Midland/Odessa radar (KMAF), 123 km from the middle of the area, began a volume at 21:49 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 (KDRT), launched 12:00Z, 9.8 hours before the alert went out and 199 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: 1210 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1175 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 61 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 Sep 18, 2:27 PM CDT, 2 hours 19 minutes earlier.

Area forecast discussion, Sep 18, 2:27 PM CDT, 2 hours 19 minutes before

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Hazardous weather outlook, Sep 18, 2:17 PM CDT, 2 hours 29 minutes before

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In the hours before

Local storm report, Sep 18, 2:34 PM CDT, 2 hours 12 minutes before

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Special weather statement, Sep 18, 4:46 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
Sep 17, 7:26 PM CDT	Special Weather Statement	MAF	Ector	49 min
Sep 17, 11:28 PM CDT	Special Weather Statement	MAF	Reagan	47 min
Sep 18, 5:48 AM CDT	Special Weather Statement	MAF	Scurry	42 min

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement in 2021

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.