Alert archive / Texas / Flash Flood Warnings in 2019
Flash Flood Warning 15, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at May 2, 2019, 12:31 AM CDT for 4 counties in Texas. It was in force for 3 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
- May 2, 2019, 12:31 AM CDT (05:31 UTC)
- Expired
- May 2, 2019, 3:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Gregg County, TX, Smith County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 119 km from the middle of the area, began a volume at 05:32 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
Fort Worth, TX (KFWD), launched 00:00Z, 5.5 hours before the alert went out and 206 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
- 2332 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 775 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 239 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 2.7
- Supercell composite
- 14.6
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.
NWS Shreveport, LA wrote its last area forecast discussion before this flash flood warning went out at May 1, 10:10 PM CDT, 2 hours 21 minutes earlier.
Area forecast discussion, May 1, 10:10 PM CDT, 2 hours 21 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, May 1, 11:52 PM CDT, 39 minutes before
Hazardous Weather Outlook National Weather Service Shreveport LA 1152 PM CDT Wed May 1 2019 OKZ077-TXZ096-108>111-021100- McCurtain-Red River-Franklin-Titus-Camp-Morris- 1152 PM CDT Wed May 1 2019 This Hazardous Weather Outlook is for portions of southeast Oklahoma and northeast Texas. .DAY ONE...Tonight... A Flash Flood Watch is in effect until 7 PM CDT Thursday evening. Thunderstorms are likely tonight and into the early morning hours of Thursday. Gusty winds and heavy rainfall will be possible. Since soils are already saturated, this may lead to flash flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... A Flash Flood Watch is in effect until 7 PM CDT Thursday evening. Thunderstorms will continue for much of Thursday. A couple of severe thunderstorms cannot be ruled out. Damaging winds, large hail, and isolated tornadoes will be the primary threats. Heavy rainfall and flash flooding will also remain possible until Thursday evening. Thunderstorms will remain possible Friday and into Saturday before a cold front moves across the area ushering dry weather back into the region for Sunday. However, more thunderstorms will be possible Monday and Tuesday. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators and storm spotters will be needed tonight and into much of Thursday. ARZ050-051-059-060-070-TXZ097-112-124-125-136-021100- Sevier-Howard-Little River-Hempstead-Miller-Bowie-Cass-Wood- Upshur-Smith- 1152 PM CDT Wed May 1 2019 This Hazardous Weather Outlook is for portions of southwest Arkansas and northeast Texas. .DAY ONE...Tonight... A Severe Thunderstorm Watch is in effect until 5 AM CDT Thursday morning. A Flash Flood Watch is in effect until 7 PM CDT Thursday evening. Strong to severe thunderstorms are likely tonight and into the early morning hours of Thursday. Damaging winds, large hail, and isolated tornadoes will be possible. In addition, heavy rainfall may occur. Since soils are already saturated, this may lead to flash flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... A Flash Flood Watch is in effect until 7 PM CDT Thursday evening. Thunderstorms will continue for much of Thursday. A couple of severe thunderstorms cannot be ruled out. Damaging winds, large hail, and isolated tornadoes will be the primary threats. Heavy rainfall and flash flooding will also remain possible until Thursday evening. Thunderstorms will remain possible Friday and into Saturday before a cold front moves across the area ushering dry weather back into the region for Sunday. However, more thunderstorms will be possible Monday and Tuesday. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators and storm spotters will be needed tonight and into Thursday. ARZ061-071-072-LAZ001>003-TXZ126-137-138-021100- Nevada-Lafayette-Columbia-Caddo-Bossier-Webster-Marion-Gregg- Harrison- 1152 PM CDT Wed May 1 2019 This Hazardous Weather Outlook is for portions of southwest Arkansas, northwest Louisiana and northeast Texas. .DAY ONE...Tonight... A Severe Thunderstorm Watch is in effect until 5 AM CDT Thursday morning. Strong to severe thunderstorms are likely tonight and into the early morning hours of Thursday. Damaging winds, large hail, and isolated tornadoes will be possible. In addition, locally heavy rainfall may occur, which may lead to isolated flash flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... Thunderstorms will continue for much of Thursday. A couple of severe thunderstorms cannot be ruled out. Damaging winds, large hail, and isolated tornadoes will be the primary threats. Locally heavy rainfall and isolated flash flooding will also remain possible until Thursday evening. Thunderstorms will remain possible Friday and into Saturday before a cold front moves across the area ushering dry weather back into the region for Sunday. However, more thunderstorms will be possible Monday and Tuesday. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators and storm spotters may be needed tonight and on Thursday. ARZ073-LAZ004>006-010>014-017>022-TXZ149>153-165>167-021100- Union-Claiborne-Lincoln-De Soto-Red River-Bienville-Jackson- Ouachita-Sabine-Natchitoches-Winn-Grant-Caldwell-La Salle- Cherokee-Rusk-Panola-Nacogdoches-Shelby-Angelina-San Augustine- 1152 PM CDT Wed May 1 2019 This Hazardous Weather Outlook is for portions of south central Arkansas, north central Louisiana, northwest Louisiana, east Texas and northeast Texas. .DAY ONE...Tonight... Strong to severe thunderstorms are possible tonight and into the early morning hours of Thursday. Damaging winds, large hail, and isolated tornadoes will be possible. In addition, locally heavy rainfall may occur. Since soils are already saturated, this may lead to isolated flash flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... Thunderstorms will continue for much of Thursday. A couple of severe thunderstorms cannot be ruled out. Damaging winds, large hail, and isolated tornadoes will be the primary threats. Locally heavy rainfall and isolated flash flooding will also remain possible until Thursday evening. Thunderstorms will remain possible Friday and into Saturday before a cold front moves across the area ushering dry weather back into the region for Sunday. However, more thunderstorms will be possible Monday and Tuesday. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators and storm spotters may be needed tonight and on Thursday. 09
In the hours before
Local storm report, May 1, 9:42 PM CDT, 2 hours 49 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 1, 10:05 PM CDT, 2 hours 26 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 1, 10:11 PM CDT, 2 hours 20 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>Special weather statement, May 1, 10:47 PM CDT, 1 hour 44 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>Special weather statement, May 1, 11:39 PM CDT, 52 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>Special weather statement, May 1, 11:47 PM CDT, 44 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 Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 8:12 PM CDT | Special Weather Statement | SHV | Red River | 63 min |
| May 1, 8:46 PM CDT | Severe Thunderstorm Warning | SHV | Red River | 15 min |
| May 1, 8:50 PM CDT | Severe Thunderstorm Warning | SHV | Red River | 25 min |
| May 1, 9:08 PM CDT | Severe Thunderstorm Warning | SHV | Franklin, Red River, Titus | 67 min |
| May 1, 9:50 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass, Morris, Red River, Titus | 55 min |
| May 1, 10:19 PM CDT | Severe Thunderstorm Warning | SHV | Camp, Cass, Franklin, Morris, Titus, Upshur and 1 more | 26 min |
| May 1, 10:47 PM CDT | Special Weather Statement | SHV | Bowie, Camp, Cass, Gregg, Morris, Upshur | 58 min |
| May 1, 10:59 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Camp, Cass, Gregg, Harrison, Marion and 2 more | 46 min |
| May 1, 11:39 PM CDT | Special Weather Statement | SHV | Cass, Marion | 51 min |
| May 1, 11:47 PM CDT | Special Weather Statement | SHV | Gregg, Smith, Upshur | 43 min |
| May 2, 12:36 AM CDT | Special Weather Statement | SHV | Gregg, Rusk, Smith | 39 min |
| May 2, 1:17 AM CDT | Special Weather Statement | SHV | Gregg, Harrison, Marion | 43 min |
| May 2, 2:28 AM CDT | Special Weather Statement | SHV | Cherokee, Gregg, Rusk, Smith | 47 min |
| May 2, 2:40 AM CDT | Severe Thunderstorm Warning | SHV | Harrison, Marion | 35 min |
| May 2, 3:00 AM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Panola, Rusk, Smith | 45 min |
| May 2, 3:29 AM CDT | Areal Flood Advisory | SHV | Gregg, Harrison, Rusk, Smith, Upshur | 3 hr |
| May 2, 3:44 AM CDT | Special Weather Statement | SHV | Panola | 46 min |
| May 2, 4:03 AM CDT | Special Weather Statement | SHV | Cherokee | 27 min |
| May 2, 4:22 AM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee, Nacogdoches | 38 min |
| May 2, 4:34 AM CDT | Special Weather Statement | SHV | Harrison | 41 min |
| May 2, 4:36 AM CDT | Special Weather Statement | SHV | Panola, Rusk | 39 min |
| May 2, 4:54 AM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee, Nacogdoches | 36 min |
| May 2, 5:19 AM CDT | Special Weather Statement | SHV | Panola | 41 min |
| May 2, 5:24 AM CDT | Severe Thunderstorm Warning | SHV | Angelina, Nacogdoches, Rusk, San Augustine, Shelby | 51 min |
| May 2, 5:41 AM CDT | Severe Thunderstorm Warning | SHV | Harrison, Panola, Shelby | 64 min |
| May 2, 5:54 AM CDT | Flash Flood Warning | SHV | Gregg, Harrison, Panola, Rusk, Shelby | 3 hr |
| May 2, 6:13 AM CDT | Severe Thunderstorm Warning | SHV | Panola, Sabine, San Augustine, Shelby | 62 min |
| May 2, 8:42 AM CDT | River Flood Warning | SHV | Bowie, Red River | 48 hr |
| May 2, 8:43 AM CDT | River Flood Warning | SHV | Angelina, Cherokee, Nacogdoches | 21 days |
| May 2, 8:45 AM CDT | River Flood Warning | SHV | Nacogdoches, Rusk, San Augustine, Shelby | 15 days |
| May 2, 8:46 AM CDT | River Flood Warning | SHV | Nacogdoches, Rusk | 24 hr |
| May 2, 9:49 AM CDT | River Flood Warning | SHV | Gregg, Harrison, Panola, Rusk | 28 days |
| May 2, 9:49 AM CDT | River Flood Warning | SHV | Panola, Shelby | 23 hr |
| May 2, 10:15 AM CDT | River Flood Warning | SHV | Gregg, Harrison, Marion, Upshur | 4 days |
| May 2, 6:42 AM CDT | Special Weather Statement | SHV | Bossier, Caddo, Webster | 48 min |
| May 2, 7:16 AM CDT | Special Weather Statement | SHV | De Soto, Natchitoches, Red River, Sabine | 44 min |
| May 2, 7:30 AM CDT | Special Weather Statement | SHV | Webster | 45 min |
| May 2, 7:59 AM CDT | Special Weather Statement | SHV | Natchitoches | 46 min |
| May 2, 8:16 AM CDT | Special Weather Statement | SHV | Bienville | 44 min |
| May 2, 6:52 AM CDT | River Flood Warning | SHV | Little River, Sevier | 50 hr |
Nearby
Flash Flood Warnings in Texas, 2019Every flash flood warning in 2019
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.