Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Lubbock, TX
NWS Lubbock, TX issued this special weather statement at Jul 11, 2021, 6:09 PM CDT for Stonewall County, Texas. It was in force for 36 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 11, 2021, 6:09 PM CDT (23:09 UTC)
- Expired
- Jul 11, 2021, 6:45 PM CDT
- In force
- 36 min
- Issued by
- NWS Lubbock, TX
County Stonewall County, TX
The radar
The Dyess AFB radar (KDYX), 125 km from the middle of the area, began a volume at 23:11 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
Midland Regional, TX (KMAF), launched 12:00Z, 11.2 hours before the alert went out and 246 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
- 964 J/kg
- Mixed-layer CIN
- -244 J/kg
- Mixed-layer LCL
- 1122 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
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</html>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 Lubbock, TX wrote its last area forecast discussion before this special weather statement went out at Jul 11, 1:55 PM CDT, 4 hours 14 minutes earlier.
Area forecast discussion, Jul 11, 1:55 PM CDT, 4 hours 14 minutes before
Area Forecast Discussion National Weather Service Lubbock TX 155 PM CDT Sun Jul 11 2021 .SHORT TERM... Upper level high pressure system remains parked over southern Nevada this afternoon keeping the FA in north-northeasterly flow aloft. At the surface early morning convection has moved out of the area and now afternoon convection is initiating in far eastern NM. This convection is currently making a run for the far southwestern FA counties underneath an SPC severe thunderstorm watch. Occasional breaks in the clouds will allow high temperatures to reach the mid to upper 80s and given the continued above average PWATs, and dewpoints in the 60s convection will likely continue and spread in coverage. Coverage will be concentrated near and southwest of a lingering surface boundary hung up from about Muleshoe to about Jayton. Model forecast instability shows MUCAPEs between 2000 J/kg to 3000 J/kg, bulk shear values to 35-40kt. DCAPE values of over 1300 J/kg will be present across the far southwestern Southern Plains resulting in the possibility of strong downburst winds and gusty outflow winds. Similar to recent storms given the present instability indices storms that do develop now into the evening could become strong to severe with locally heavy rainfall leading to flash flooding. CAMs continue to suggest that convection will come to an end during the overnight hours. Tomorrow the 597 dm upper level high to our west will expand back towards the area as south to southwesterly surface winds return. This will ultimately lead to drier and slightly warmer conditions to start the work week. .LONG TERM... By Tuesday morning the upper level flow will be less amplified as the low across the midwest lifts off to the north and the area of high pressure across the southwest U.S. continues to retrograde. Through the day on Tuesday flow aloft will remain northerly which will keep the forecast area dry. Wednesday will see a shortwave move across the Northern Plains with upper level lift extending all the way into northern NM by the evening. This should lead to convective development across the higher terrain of NM. This activity may try to make a run towards the southwestern Texas panhandle however it should be dissipating as it does hence the forecast area may remain dry. Upper level flow will back across the area out of the northwest late this week through the weekend as upper level ridging expands from the desert southwest into Saskatchewan. This will keep the potential for late afternoon and evening thunderstorms possible each day. Temperatures will remain seasonable during this time frame (low to mid 90's) as heights aloft vary little each afternoon. /WCI && .LUB WATCHES/WARNINGS/ADVISORIES... None. && 28/58
Hazardous weather outlook, Jul 11, 1:27 PM CDT, 4 hours 42 minutes before
Hazardous Weather Outlook National Weather Service Lubbock TX 127 PM CDT Sun Jul 11 2021 TXZ021>044-121830- Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd- Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum- Terry-Lynn-Garza-Kent-Stonewall- 127 PM CDT Sun Jul 11 2021 This Hazardous Weather Outlook is for the South Plains, Rolling Plains and the far Southern Texas Panhandle. .DAY ONE...This afternoon and tonight. Strong to severe rain showers and thunderstorms will continue through late this evening into early Monday morning across the extreme southwestern South Plains. Locally heavy rainfall that could lead to localized flash flooding, especially in low lying and poor drainage areas will be possible. Some of these storms could also be capable of producing severe wind gusts up to 70 mph and large hail, but the overall severe weather threat will be localized. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Another chance for strong thunderstorms remains possible Thursday into next weekend. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed.
In the hours before
Special weather statement, Jul 11, 4:32 PM CDT, 1 hour 37 minutes before
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</html>Special weather statement, Jul 11, 6:09 PM CDT, 0 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 |
|---|---|---|---|---|
| Jul 11, 6:07 AM CDT | Special Weather Statement | LUB | King | 23 min |
| Jul 11, 1:14 PM CDT | Severe Thunderstorm Warning | LUB | Cochran, Yoakum | 47 min |
| Jul 11, 1:54 PM CDT | Severe Thunderstorm Warning | LUB | Cochran, Hockley, Terry, Yoakum | 66 min |
| Jul 11, 2:20 PM CDT | Areal Flood Advisory | LUB | Cochran, Hockley, Terry, Yoakum | 112 min |
| Jul 11, 2:49 PM CDT | Severe Thunderstorm Warning | LUB | Hockley, Terry | 56 min |
| Jul 11, 2:56 PM CDT | Severe Thunderstorm Warning | LUB | Bailey, Cochran, Hockley, Lamb | 20 min |
| Jul 11, 2:58 PM CDT | Areal Flood Advisory | LUB | Kent | 2 hr |
| Jul 11, 3:06 PM CDT | Flash Flood Warning | LUB | Cochran, Hockley, Terry, Yoakum | 81 min |
| Jul 11, 3:12 PM CDT | Severe Thunderstorm Warning | LUB | Garza, Kent | 31 min |
| Jul 11, 3:25 PM CDT | Severe Thunderstorm Warning | LUB | Lynn, Terry | 25 min |
| Jul 11, 3:30 PM CDT | Areal Flood Advisory | LUB | Lynn, Terry | 96 min |
| Jul 11, 3:54 PM CDT | Areal Flood Advisory | LUB | Garza, Lynn | 2 hr |
| Jul 11, 3:58 PM CDT | Areal Flood Advisory | LUB | Crosby, Garza, Kent | 67 min |
| Jul 11, 4:29 PM CDT | Areal Flood Advisory | LUB | Crosby, Floyd | 93 min |
| Jul 11, 4:32 PM CDT | Special Weather Statement | LUB | Lubbock | 28 min |
| Jul 11, 4:45 PM CDT | Areal Flood Advisory | LUB | Dickens, Floyd, Kent, King, Motley, Stonewall | 2 hr |
| Jul 11, 5:03 PM CDT | Areal Flood Advisory | LUB | Crosby, Garza, Lubbock, Lynn | 2 hr |
| Jul 11, 5:04 PM CDT | Special Weather Statement | LUB | Lubbock | 26 min |
| Jul 11, 5:24 PM CDT | Areal Flood Advisory | LUB | Hale, Lubbock | 2 hr |
| Jul 11, 5:25 PM CDT | Special Weather Statement | LUB | Lubbock | 35 min |
| Jul 11, 5:52 PM CDT | Special Weather Statement | LUB | Lubbock | 23 min |
| Jul 11, 6:53 PM CDT | Special Weather Statement | LUB | Lubbock | 22 min |
Nearby
Special Weather Statements in Texas, 2021Every 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.