Alert archive / Alabama / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 89, NWS Birmingham, AL

March 2, 1999Sumter County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 2, 1999, 7:31 PM CST for Sumter County, Alabama. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 2, 1999, 7:31 PM CST (01:31 UTC)
Expired: Mar 2, 1999, 8:20 PM CST
In force: 49 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Sumter County, AL

What was reported inside it

Time	Report	Where	Remark
Mar 2, 8:00 PM CST	Hail 0.75	Gainesville, AL	Dime sized hail reported in Gainesville.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 2, 4:30 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.5 hours before the alert went out and 148 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 25 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 2113 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 278 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 2, 3:17 PM CST, 4 hours 14 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, Mar 2, 3:17 PM CST, 4 hours 14 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 Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 2, 7:54 PM CST	Severe Thunderstorm Warning	BMX	Greene	46 min
Mar 2, 8:25 PM CST	Severe Thunderstorm Warning	BMX	Hale	30 min
Mar 2, 8:55 PM CST	Severe Thunderstorm Warning	BMX	Bibb	60 min
Mar 2, 8:58 PM CST	Severe Thunderstorm Warning	BMX	Hale	17 min
Mar 2, 9:32 PM CST	Severe Thunderstorm Warning	BMX	Shelby	48 min
Mar 3, 12:33 AM CST	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Dallas	47 min
Mar 3, 12:49 AM CST	Tornado Warning	BMX	Autauga	31 min
Mar 3, 1:01 AM CST	Severe Thunderstorm Warning	BMX	Elmore, Lowndes, Montgomery	49 min
Mar 3, 1:13 AM CST	Tornado Warning	BMX	Talladega	47 min
Mar 3, 1:24 AM CST	Severe Thunderstorm Warning	BMX	Clay	31 min
Mar 3, 1:27 AM CST	Severe Thunderstorm Warning	BMX	Macon, Tallapoosa	48 min
Mar 3, 1:37 AM CST	Tornado Warning	BMX	Montgomery	33 min
Mar 3, 1:45 AM CST	Severe Thunderstorm Warning	BMX	Chambers, Lee	45 min
Mar 3, 1:46 AM CST	Tornado Warning	BMX	Bullock, Macon	49 min
Mar 3, 1:57 AM CST	Severe Thunderstorm Warning	BMX	Cleburne, Randolph	33 min
Mar 3, 1:59 AM CST	Tornado Warning	BMX	Pike	31 min
Mar 3, 2:03 AM CST	Tornado Warning	BMX	Barbour	47 min
Mar 3, 2:09 AM CST	Severe Thunderstorm Warning	BMX	Macon	31 min
Mar 3, 2:21 AM CST	Severe Thunderstorm Warning	BMX	Russell	49 min
Mar 3, 2:29 AM CST	Severe Thunderstorm Warning	BMX	Chambers, Lee	31 min
Mar 3, 2:45 AM CST	Tornado Warning	BMX	Barbour	45 min
Mar 3, 3:12 AM CST	Severe Thunderstorm Warning	BMX	Russell	18 min
Mar 3, 2:38 AM CST	Severe Thunderstorm Warning	BMX	Chattahoochee, Muscogee	47 min
Mar 3, 3:04 AM CST	Severe Thunderstorm Warning	BMX	Quitman, Stewart	61 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1999 Every severe thunderstorm warning in 1999

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.