Alert archive / Texas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 271, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at Jul 29, 2009, 9:44 PM CDT for Hale County, Texas. It was in force for 46 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
- Jul 29, 2009, 9:44 PM CDT (02:44 UTC)
- Expired
- Jul 29, 2009, 10:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Lubbock, TX
- Area
- Storm-based polygon
County Hale County, TX
The radar
The Lubbock radar (KLBB), 46 km from the middle of the area, began a volume at 02:47 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 |
|---|---|---|---|
| Jul 29, 5:36 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 2.7 hours before the alert went out and 238 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
- 1022 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 2144 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 Jul 29, 2:56 PM CDT, 6 hours 48 minutes earlier.
Area forecast discussion, Jul 29, 2:56 PM CDT, 6 hours 48 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Jul 29, 7:15 AM CDT, 14 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LUBBOCK TX 715 AM CDT WED JUL 29 2009 TXZ021>044-301215- PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE- FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING- YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL- 715 AM CDT WED JUL 29 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EXTREME SOUTHERN TEXAS PANHANDLE...SOUTH PLAINS AND ROLLING PLAINS. .DAY ONE...TODAY AND TONIGHT THUNDERSTORM DEVELOPMENT IS EXPECTED THIS AFTERNOON AND EVENING AS UPPER AIR DISTURBANCES CONTINUE TO MOVE OUT OF THE ROCKIES AND INTERACT WITH A MOIST AND UNSTABLE AIRMASS ACROSS WEST TEXAS. OVERALL...THIS ACTIVITY IS EXPECTED TO BE ISOLATED...BUT A FEW OF THE THUNDERSTORMS COULD BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. TONIGHT...THERE IS THE POTENTIAL FOR AN ORGANIZED THUNDERSTORM COMPLEX TO MOVE ACROSS PORTIONS OF THE OUTLOOK AREA...LIKELY IMPACTING THE FAR SOUTHERN TEXAS PANHANDLE AND NORTHERN ROLLING PLAINS. THIS WILL BRING THE A THREAT OF DAMAGING WINDS AND LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS WILL BE POSSIBLE IN THE LATE AFTERNOON THROUGH NIGHTTIME HOURS THROUGH THE REST OF THE WEEK AND A FEW OF THE STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WINDS AND ISOLATED LARGE HAIL. LOCALLY HEAVY RAINFALL WILL REMAIN POSSIBLE AND AREAS THAT RECEIVE REPEATED HEAVY RAINFALL COULD SEE EXCESSIVE STORM RUNOFF. .SPOTTER INFORMATION STATEMENT... LIMITED SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.
The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 7:26 PM CDT | Severe Thunderstorm Warning | LUB | Bailey, Parmer | 64 min |
| Jul 29, 8:15 PM CDT | Severe Thunderstorm Warning | LUB | Castro, Parmer | 60 min |
| Jul 29, 8:44 PM CDT | Severe Thunderstorm Warning | LUB | Bailey | 61 min |
| Jul 29, 9:10 PM CDT | Severe Thunderstorm Warning | LUB | Hale, Lamb | 50 min |
| Jul 29, 9:19 PM CDT | Severe Thunderstorm Warning | LUB | Bailey, Cochran, Hockley, Lamb | 56 min |
| Jul 29, 9:40 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Hall, Motley | 65 min |
| Jul 29, 9:59 PM CDT | Severe Thunderstorm Warning | LUB | Floyd, Hale, Hockley, Lamb, Lubbock | 61 min |
| Jul 29, 10:21 PM CDT | Severe Thunderstorm Warning | LUB | Childress, Cottle, Hall, Motley | 54 min |
| Jul 29, 10:23 PM CDT | Severe Thunderstorm Warning | LUB | Bailey, Cochran, Hockley | 67 min |
| Jul 29, 11:03 PM CDT | Severe Thunderstorm Warning | LUB | Hale, Hockley, Lamb, Lubbock, Lynn, Terry | 57 min |
| Jul 29, 11:36 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Garza, Lubbock, Lynn, Terry | 54 min |
| Jul 30, 12:15 AM CDT | Severe Thunderstorm Warning | LUB | Dickens, Kent, King, Stonewall | 60 min |
| Jul 30, 12:20 AM CDT | Severe Thunderstorm Warning | LUB | Crosby, Garza, Kent | 55 min |
| Jul 30, 12:24 AM CDT | Areal Flood Advisory | LUB | Lubbock, Lynn | 111 min |
| Jul 30, 1:10 AM CDT | Severe Thunderstorm Warning | LUB | Kent, King, Stonewall | 43 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2009Every severe thunderstorm warning in 2009
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.