Alert archive / Texas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 258, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at Oct 4, 2017, 11:14 PM CDT for Childress County, Hall County, Texas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 4, 2017, 11:14 PM CDT (04:14 UTC)
- Expired
- Oct 4, 2017, 11:45 PM CDT
- In force
- 31 min
- Issued by
- NWS Lubbock, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Childress County, TX, Hall County, TX
The radar
The Altus AFB radar (KFDR), 136 km from the middle of the area, began a volume at 04:14 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
Norman, OK (KOUN), launched 00:00Z, 4.2 hours before the alert went out and 288 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.
- Mixed-layer CAPE
- 673 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 594 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lubbock, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 4, 10:12 PM CDT, 1 hour 2 minutes earlier.
Area forecast discussion, Oct 4, 10:12 PM CDT, 1 hour 2 minutes before
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</html>Hazardous weather outlook, Oct 4, 3:12 AM CDT, 20 hours 2 minutes before
Hazardous Weather Outlook National Weather Service Lubbock TX 312 AM CDT Wed Oct 4 2017 TXZ021>044-050815- Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale- Floyd-Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King- Yoakum-Terry-Lynn-Garza-Kent-Stonewall- 312 AM CDT Wed Oct 4 2017 This Hazardous Weather Outlook is for the South Plains...Rolling Plains and the far Southern Texas Panhandle. .DAY ONE...Today and Tonight Locally heavy rainfall with some flooding at times is possible mainly in the far southern Texas Panhandle. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday The probability of hazardous weather is low at this time.
In the hours before
Special weather statement, Oct 4, 10:27 PM CDT, 47 minutes before
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</html>The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 8:10 PM CDT | Areal Flood Advisory | LUB | Briscoe, Hall | 95 min |
| Oct 4, 10:27 PM CDT | Special Weather Statement | LUB | Childress | 33 min |
| Oct 4, 10:50 PM CDT | Severe Thunderstorm Warning | LUB | Childress, Hall | 25 min |
| Oct 4, 11:24 PM CDT | Areal Flood Advisory | LUB | Childress, Hall | 96 min |
| Oct 5, 7:15 AM CDT | River Flood Warning | LUB | Childress | 19 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2017Every severe thunderstorm warning 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.