Alert archive / Alabama / Flash Flood Warnings in 2019
Flash Flood Warning 25, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Sep 10, 2019, 2:14 PM CDT for Lauderdale County, Lawrence County, Limestone County, Alabama. It was in force for 2 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
- Sep 10, 2019, 2:14 PM CDT (19:14 UTC)
- Expired
- Sep 10, 2019, 4:34 PM CDT
- In force
- 2 hr
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lauderdale County, AL, Lawrence County, AL, Limestone County, AL
The radar
The Northeast Alabama radar (KHTX), 114 km from the middle of the area, began a volume at 19:16 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
Nashville Metro, TN (KBNA), launched 12:00Z, 7.2 hours before the alert went out and 167 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
- 23 J/kg
- Mixed-layer CIN
- -330 J/kg
- Mixed-layer LCL
- 1957 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Huntsville, AL wrote its last area forecast discussion before this flash flood warning went out at Sep 10, 12:40 PM CDT, 1 hour 34 minutes earlier.
Area forecast discussion, Sep 10, 12:40 PM CDT, 1 hour 34 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, Sep 10, 1:52 PM CDT, 22 minutes before
Hazardous Weather Outlook National Weather Service Huntsville AL 152 PM CDT Tue Sep 10 2019 ALZ001>010-016-TNZ076-096-097-111000- Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN- 152 PM CDT Tue Sep 10 2019 This Hazardous Weather Outlook is for north Alabama and portions of southern middle Tennessee. .DAY ONE...Tonight... Scattered thunderstorms are possible across the Tennessee Valley this afternoon and evening. A few of these storms may be capable of producing brief heavy rainfall, gusty winds around 55 mph, and small hail. .DAYS TWO THROUGH SEVEN...Wednesday through Monday... Isolated to scattered thunderstorms are possible on Friday and into the weekend, mainly during the afternoon and early evening periods. A few of these storms may again be capable of producing brief heavy rainfall and gusty winds. Additional scattered thunderstorms are possible next week. .SPOTTER CALL TO ACTION STATEMENT... Activation of storm spotters and emergency management personnel is not anticipated at this time. 20
In the hours before
Special weather statement, Sep 10, 1:46 PM CDT, 28 minutes before
Special Weather Statement
National Weather Service Huntsville AL
146 PM CDT Tue Sep 10 2019
ALZ001-002-004-101915-
Lawrence AL-Lauderdale AL-Colbert AL-
146 PM CDT Tue Sep 10 2019
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LAUDERDALE...EAST
CENTRAL COLBERT AND NORTHWESTERN LAWRENCE COUNTIES UNTIL 215 PM
CDT...
At 146 PM CDT, Doppler radar was tracking a strong thunderstorm near
Town Creek, or 15 miles east of Muscle Shoals, moving north at 5 mph.
Wind gusts up to 50 mph will be possible with this storm.
Locations impacted include...
Rogersville, Town Creek, Courtland, North Courtland, Center Star,
Oliver, Red Bank and Elgin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Very heavy rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3484 8721 3481 8722 3478 8728 3476 8726
3476 8722 3464 8732 3471 8753 3493 8748
TIME...MOT...LOC 1846Z 201DEG 6KT 3475 8740
12Special weather statement, Sep 10, 2:11 PM CDT, 3 minutes before
Special Weather Statement
National Weather Service Huntsville AL
211 PM CDT Tue Sep 10 2019
ALZ001-004-005-102000-
Lawrence AL-Lauderdale AL-Limestone AL-
211 PM CDT Tue Sep 10 2019
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN LAUDERDALE...NORTHWESTERN
LIMESTONE AND NORTHEASTERN LAWRENCE COUNTIES UNTIL 300 PM CDT...
At 209 PM CDT, doppler radar indicated strong thunderstorms along a
line extending from near Killen to near Rogersville. Movement was
northeast at 10 mph. Dime sized hail was reported with this cluster
of thunderstorms in Town Creek at 150 PM CDT.
Penny size hail and wind gusts of 50 to 55 mph will be possible with
these storms.
Locations impacted include...
Rogersville, Killen, Lexington, Elkmont, Anderson, Good Springs,
Cartwright, Coxey, Oliver and Mt Rozell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3500 8719 3493 8695 3468 8720 3475 8743
3477 8742 3478 8743 3480 8743 3481 8748
3483 8752 3483 8755 3500 8749
TIME...MOT...LOC 1909Z 207DEG 8KT 3483 8744 3477 8725
12The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 1:46 PM CDT | Special Weather Statement | HUN | Lawrence | 29 min |
| Sep 10, 2:11 PM CDT | Special Weather Statement | HUN | Limestone | 49 min |
| Sep 10, 2:38 PM CDT | Special Weather Statement | HUN | Lauderdale | 37 min |
| Sep 10, 3:08 PM CDT | Special Weather Statement | HUN | Lawrence, Limestone | 37 min |
| Sep 10, 3:42 PM CDT | Special Weather Statement | HUN | Morgan | 48 min |
| Sep 10, 3:49 PM CDT | Special Weather Statement | HUN | Jackson | 41 min |
| Sep 10, 4:06 PM CDT | Special Weather Statement | HUN | Madison | 39 min |
| Sep 10, 4:25 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 35 min |
| Sep 10, 4:33 PM CDT | Special Weather Statement | HUN | Morgan | 42 min |
| Sep 10, 5:11 PM CDT | Special Weather Statement | HUN | Colbert | 49 min |
| Sep 10, 5:22 PM CDT | Special Weather Statement | HUN | Madison | 38 min |
| Sep 10, 3:43 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 25 min |
| Sep 10, 4:19 PM CDT | Special Weather Statement | HUN | Franklin | 41 min |
| Sep 10, 4:58 PM CDT | Special Weather Statement | HUN | Franklin, Lincoln, Moore | 47 min |
| Sep 10, 5:40 PM CDT | Special Weather Statement | HUN | Moore | 50 min |
| Sep 10, 5:44 PM CDT | Severe Thunderstorm Warning | HUN | Moore | 31 min |
Nearby
Flash Flood Warnings in Alabama, 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.