Alert archive / Texas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 250, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at Sep 17, 2017, 7:17 PM CDT for 4 counties in Texas. It was in force for 43 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
- Sep 17, 2017, 7:17 PM CDT (00:17 UTC)
- Expired
- Sep 17, 2017, 8:00 PM CDT
- In force
- 43 min
- Issued by
- NWS Lubbock, TX
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 80.0 mph
Counties Crosby County, TX, Dickens County, TX, Floyd County, TX, Motley County, TX
The radar
The Lubbock radar (KLBB), 75 km from the middle of the area, began a volume at 00:17 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 17, 3:41 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 0.3 hours before the alert went out and 165 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
- 680 J/kg
- Mixed-layer CIN
- -129 J/kg
- Mixed-layer LCL
- 1580 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- -35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Sep 17, 6:23 PM CDT, 54 minutes earlier.
Area forecast discussion, Sep 17, 6:23 PM CDT, 54 minutes before
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</html>Hazardous weather outlook, Sep 17, 4:01 PM CDT, 3 hours 16 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Lubbock TX 401 PM CDT Sun Sep 17 2017 TXZ021>044-182115- Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale- Floyd-Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King- Yoakum-Terry-Lynn-Garza-Kent-Stonewall- 401 PM CDT Sun Sep 17 2017 This Hazardous Weather Outlook is for the South Plains...Rolling Plains and the far Southern Texas Panhandle. .DAY ONE...This Afternoon and Tonight Isolated to scattered severe thunderstorms are expected across much of the outlook area through late this evening. The strongest of storms will be capable of producing very large hail to around baseball size, along with straight line winds near 70 mph. Some flooding may also accompany this activity. .DAYS TWO THROUGH SEVEN...Monday through Saturday The probability of hazardous weather is low at this time.
In the hours before
Special weather statement, Sep 17, 4:42 PM CDT, 2 hours 35 minutes before
Special Weather Statement National Weather Service Lubbock TX 442 PM CDT SUN SEP 17 2017 TXZ028-172200- Lamb TX- 442 PM CDT SUN SEP 17 2017 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LAMB COUNTY UNTIL 500 PM CDT... At 441 PM CDT, a strong thunderstorm was located 1 mile southwest of Littlefield, moving east at 20 mph. Nickel size hail, heavy downpours and wind gusts to 50 mph are possible with this storm. Locations impacted include... Littlefield and Spade. A severe thunderstorm watch remains in effect until 1100 PM CDT for northwestern Texas. LAT...LON 3383 10247 3396 10244 3405 10209 3383 10209 TIME...MOT...LOC 2141Z 257DEG 17KT 3390 10237 MCZ
Local storm report, Sep 17, 5:28 PM CDT, 1 hour 49 minutes before
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</html>Local storm report, Sep 17, 6:02 PM CDT, 1 hour 15 minutes before
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</html>Local storm report, Sep 17, 7:03 PM CDT, 14 minutes before
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</html>Local storm report, Sep 17, 7:16 PM CDT, 1 minute 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 |
|---|---|---|---|---|
| Sep 17, 8:26 PM CDT | Special Weather Statement | LUB | Cottle, Motley | 34 min |
| Sep 17, 8:58 PM CDT | Severe Thunderstorm Warning | LUB | Cottle, Motley | 62 min |
| Sep 17, 9:37 PM CDT | Special Weather Statement | LUB | Floyd, Motley | 23 min |
| Sep 17, 10:01 PM CDT | Special Weather Statement | LUB | Hall, Motley | 29 min |
| Sep 17, 10:29 PM CDT | Special Weather Statement | LUB | Childress, Cottle, Hall, Motley | 31 min |
| Sep 17, 10:59 PM CDT | Special Weather Statement | LUB | Childress, Cottle | 31 min |
| Sep 18, 6:34 PM CDT | Severe Thunderstorm Warning | LUB | Lynn | 41 min |
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.