Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 9, NWS Lubbock, TX
NWS Lubbock, TX issued this flash flood warning at Apr 30, 1999, 9:25 PM CDT for Swisher County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 30, 1999, 9:25 PM CDT (02:25 UTC)
- Expired
- May 1, 1999, 1:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Lubbock, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Swisher County, TX
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 2.4 hours before the alert went out and 290 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
- 386 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 1365 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 30, 8:46 PM CDT, 39 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>The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 8:00 PM CDT | Severe Thunderstorm Warning | LUB | Terry | 50 min |
| Apr 30, 8:03 PM CDT | Flash Flood Warning | LUB | Hale, Hockley | 4 hr |
| Apr 30, 8:58 PM CDT | Severe Thunderstorm Warning | LUB | Lynn, Terry | 32 min |
| Apr 30, 9:29 PM CDT | Severe Thunderstorm Warning | LUB | Lynn | 46 min |
| Apr 30, 9:40 PM CDT | Flash Flood Warning | LUB | Lubbock | 3 hr |
| Apr 30, 11:02 PM CDT | Flash Flood Warning | LUB | Crosby, Floyd | 3 hr |
| May 1, 3:56 PM CDT | Severe Thunderstorm Warning | LUB | Cochran | 34 min |
| May 1, 4:52 PM CDT | Tornado Warning | LUB | Bailey | 33 min |
| May 1, 5:07 PM CDT | Tornado Warning | LUB | Lamb | 33 min |
| May 1, 6:06 PM CDT | Tornado Warning | LUB | Castro | 34 min |
Nearby
Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999
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.