Alert archive / Texas / Tornado Warnings in 1999
Tornado Warning 18, NWS Fort Worth, TX
NWS Fort Worth, TX issued this tornado warning at May 4, 1999, 6:40 PM CDT for Anderson County, Texas. It was in force for 35 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 4, 1999, 6:40 PM CDT (23:40 UTC)
- Expired
- May 4, 1999, 7:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Anderson County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 7:14 PM CDT | Tornado F0 | Palestine, TX | A tornado briefly touched down north of Palestine. No damage was reported. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 4, 3:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 191 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
- 1720 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 294 m²/s²
- 0-3 km storm-relative helicity
- 393 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 21.0
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 tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, May 4, 3:23 PM CDT, 3 hours 17 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>Local storm report, May 4, 3:39 PM CDT, 3 hours 1 minute 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>Local storm report, May 4, 4:23 PM CDT, 2 hours 17 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>Local storm report, May 4, 4:39 PM CDT, 2 hours 1 minute 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 Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 11:09 PM CDT | Severe Thunderstorm Warning | FWD | Parker | 51 min |
| May 3, 11:15 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 45 min |
| May 3, 11:23 PM CDT | Severe Thunderstorm Warning | FWD | Wise | 52 min |
| May 4, 12:11 AM CDT | Tornado Warning | FWD | Wise | 34 min |
| May 4, 12:45 AM CDT | Tornado Warning | FWD | Denton, Wise | 30 min |
| May 4, 4:54 AM CDT | Severe Thunderstorm Warning | FWD | Cooke | 36 min |
| May 4, 11:45 AM CDT | Severe Thunderstorm Warning | FWD | Montague | 45 min |
| May 4, 12:01 PM CDT | Severe Thunderstorm Warning | FWD | Wise | 44 min |
| May 4, 12:13 PM CDT | Severe Thunderstorm Warning | FWD | Hood, Parker | 47 min |
| May 4, 12:18 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 42 min |
| May 4, 12:28 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 47 min |
| May 4, 12:41 PM CDT | Tornado Warning | FWD | Hood, Parker | 34 min |
| May 4, 12:47 PM CDT | Severe Thunderstorm Warning | FWD | Denton | 43 min |
| May 4, 12:51 PM CDT | Tornado Warning | FWD | Tarrant | 39 min |
| May 4, 1:00 PM CDT | Severe Thunderstorm Warning | FWD | Collin, Grayson | 45 min |
| May 4, 1:00 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 45 min |
| May 4, 1:06 PM CDT | Tornado Warning | FWD | Collin | 24 min |
| May 4, 1:16 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins | 44 min |
| May 4, 1:24 PM CDT | Severe Thunderstorm Warning | FWD | Denton | 51 min |
| May 4, 1:29 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 46 min |
| May 4, 1:35 PM CDT | Severe Thunderstorm Warning | FWD | Fannin | 40 min |
| May 4, 1:52 PM CDT | Severe Thunderstorm Warning | FWD | Van Zandt | 23 min |
| May 4, 2:07 PM CDT | Severe Thunderstorm Warning | FWD | Lamar | 53 min |
| May 4, 2:09 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 51 min |
| May 4, 2:17 PM CDT | Severe Thunderstorm Warning | FWD | Fannin | 28 min |
| May 4, 2:55 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 50 min |
| May 4, 3:04 PM CDT | Severe Thunderstorm Warning | FWD | Lamar | 41 min |
| May 4, 3:24 PM CDT | Severe Thunderstorm Warning | FWD | Kaufman, Van Zandt | 36 min |
| May 4, 3:25 PM CDT | Tornado Warning | FWD | Lamar | 35 min |
| May 4, 3:38 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins, Hunt, Rains | 37 min |
| May 4, 3:59 PM CDT | Severe Thunderstorm Warning | FWD | Kaufman, Van Zandt | 61 min |
| May 4, 4:21 PM CDT | Severe Thunderstorm Warning | FWD | Rains | 54 min |
| May 4, 4:36 PM CDT | Tornado Warning | FWD | Rains, Van Zandt | 24 min |
| May 4, 4:46 PM CDT | Tornado Warning | FWD | Kaufman | 29 min |
| May 4, 4:55 PM CDT | Severe Thunderstorm Warning | FWD | Ellis, Henderson, Navarro | 50 min |
| May 4, 4:55 PM CDT | Tornado Warning | FWD | Ellis, Henderson, Navarro | 50 min |
| May 4, 5:25 PM CDT | Tornado Warning | FWD | Kaufman | 50 min |
| May 4, 6:04 PM CDT | Severe Thunderstorm Warning | FWD | Anderson, Freestone | 56 min |
Nearby
Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.