Alert archive / Georgia / Mesoscale Discussions in 2020
Mesoscale Discussion 145
The Storm Prediction Center issued this mesoscale discussion at Mar 3, 2020, 12:52 PM CST for 18 counties in Alabama; 24 counties in Georgia. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 3, 2020, 12:52 PM CST (18:52 UTC)
- Expired
- Mar 3, 2020, 3:15 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 42 counties
Autauga County, AL, Barbour County, AL, Bullock County, AL, Chambers County, AL, Chilton County, AL, Dallas County, AL, Elmore County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Russell County, AL, Sumter County, AL, Tallapoosa County, AL, Wilcox County, AL, Bleckley County, GA, Chattahoochee County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Harris County, GA, Houston County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Muscogee County, GA, Peach County, GA, Pulaski County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Turner County, GA, Webster County, GA, Wilcox County, GA
The radar
The Maxwell AFB radar (KMXX), 47 km from the middle of the area, began a volume at 18:55 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.9 hours before the alert went out and 154 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
- 224 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
As transmitted.
<!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>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 3, 2:34 AM CST | Mesoscale Discussion | SPC | Lauderdale | 116 min |
| Mar 3, 2:52 AM CST | Mesoscale Discussion | SPC | Colbert, Fayette, Franklin, Greene, Lamar, Marion and 2 more | 2 hr |
| Mar 3, 5:12 AM CST | Tornado Watch | SPC | Autauga, Bibb, Bullock, Chambers, Chilton, Clay and 15 more | 5 hr |
| Mar 3, 7:25 AM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Bullock, Chambers, Chilton, Clay and 8 more | 2 hr |
| Mar 3, 9:16 AM CST | Mesoscale Discussion | SPC | Barbour, Bullock, Russell | 89 min |
Nearby
Mesoscale Discussions in Georgia, 2020Mesoscale Discussions in Alabama, 2020Every mesoscale discussion in 2020
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.