Alert archive / Alabama / Areal Flood Advisories in 2012
Areal Flood Advisory 76, NWS Mobile, AL
NWS Mobile, AL issued this areal flood advisory at Aug 29, 2012, 1:49 AM CDT for Mobile County, Alabama. It was in force for 116 min.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2012, 1:49 AM CDT (06:49 UTC)
- Expired
- Aug 29, 2012, 3:45 AM CDT
- In force
- 116 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Mobile County, AL
The radar
The Mobile radar (KMOB), 4 km from the middle of the area, began a volume at 06:51 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 6.8 hours before the alert went out and 152 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
- 275 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 509 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 392 m²/s²
- 0-3 km storm-relative helicity
- 473 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 8.0
What forecasters said that day
The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Mobile, AL wrote its last area forecast discussion before this areal flood advisory went out at Aug 28, 11:59 PM CDT, 1 hour 50 minutes earlier.
Area forecast discussion, Aug 28, 11:59 PM CDT, 1 hour 50 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, Aug 28, 5:34 PM CDT, 8 hours 15 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 Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 9:21 PM CDT | River Flood Warning | MOB | Mobile | 9 hr |
| Aug 28, 11:46 PM CDT | Areal Flood Advisory | MOB | Mobile | 119 min |
| Aug 28, 11:49 PM CDT | Areal Flood Advisory | MOB | Baldwin | 116 min |
| Aug 29, 12:49 AM CDT | Tornado Warning | MOB | Baldwin, Mobile | 29 min |
| Aug 29, 8:46 AM CDT | Flash Flood Warning | MOB | Mobile | 6 hr |
| Aug 29, 9:24 AM CDT | River Flood Warning | MOB | Mobile | 31 hr |
| Aug 29, 10:04 AM CDT | High Surf Warning | MOB | 30 hr | |
| Aug 29, 10:18 AM CDT | Wind Advisory | MOB | 14 hr | |
| Aug 29, 2:52 PM CDT | Flash Flood Warning | MOB | Mobile | 6 hr |
| Aug 29, 10:04 AM CDT | Coastal Flood Advisory | MOB | 30 hr | |
| Aug 29, 5:33 AM CDT | Tornado Warning | MOB | George, Stone | 27 min |
| Aug 29, 7:51 AM CDT | Tornado Warning | MOB | George, Perry, Stone | 39 min |
| Aug 29, 9:36 AM CDT | Tornado Warning | MOB | George, Greene, Perry | 39 min |
| Aug 29, 12:35 PM CDT | Tornado Warning | MOB | Greene, Perry, Wayne | 40 min |
| Aug 29, 1:17 PM CDT | Tornado Warning | MOB | Greene, Perry, Wayne | 36 min |
| Aug 29, 1:27 PM CDT | Tornado Warning | MOB | Stone | 48 min |
Nearby
Areal Flood Advisories in Alabama, 2012Every areal flood advisory in 2012
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.