Alert archive / Florida / Heat Advisories in 2011
Heat Advisory 5, NWS Tallahassee, FL
NWS Tallahassee, FL issued this heat advisory at Aug 1, 2011, 1:52 PM CDT for 8 counties in Florida; 5 counties in Alabama. It took effect at Aug 2, 2011, 12:00 PM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Aug 1, 2011, 1:52 PM CDT (18:52 UTC)
- In effect from
- Aug 2, 2011, 12:00 PM CDT
- Expired
- Aug 2, 2011, 5:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS Tallahassee, FL
Counties Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Franklin County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Walton County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 44 km from the middle of the area, began a volume at 18:54 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
Birmingham, AL (KBMX), launched 12:00Z, 6.9 hours before the alert went out and 294 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
- 2393 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 981 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tallahassee, FL wrote its last area forecast discussion before this heat advisory went out at Aug 1, 1:35 PM CDT, 17 minutes earlier.
Area forecast discussion, Aug 1, 1:35 PM CDT, 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>Hazardous weather outlook, Aug 1, 3:04 AM CDT, 10 hours 48 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 Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 1:04 AM CDT | Special Weather Statement | TAE | Madison | 41 min |
| Aug 1, 4:54 AM CDT | Areal Flood Advisory | TAE | Dixie | 66 min |
| Aug 1, 12:16 PM CDT | Special Marine Warning | TAE | 89 min | |
| Aug 1, 2:55 PM CDT | Areal Flood Advisory | TAE | Leon | 3 hr |
| Jul 31, 8:57 PM CDT | Special Weather Statement | TAE | Lowndes | 48 min |
| Jul 31, 11:51 PM CDT | Special Weather Statement | TAE | Calhoun | 39 min |
| Aug 1, 12:02 AM CDT | Severe Thunderstorm Warning | TAE | Baker, Calhoun, Dougherty | 28 min |
| Aug 1, 12:29 AM CDT | Special Weather Statement | TAE | Baker | 31 min |
Nearby
Heat Advisories in Florida, 2011Heat Advisories in Alabama, 2011Every heat advisory in 2011
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.