Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Birmingham, AL

June 3, 2021Autauga County, Alabama

NWS Birmingham, AL issued this special weather statement at Jun 3, 2021, 12:26 PM CDT for Autauga County, Alabama. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 3, 2021, 12:26 PM CDT (17:26 UTC)
Expired: Jun 3, 2021, 1:00 PM CDT
In force: 34 min
Issued by: NWS Birmingham, AL

County Autauga County, AL

The radar

The Maxwell AFB radar (KMXX), 87 km from the middle of the area, began a volume at 17:28 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, 5.4 hours before the alert went out and 99 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: 954 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

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

NWS Birmingham, AL wrote its last area forecast discussion before this special weather statement went out at Jun 3, 10:29 AM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Jun 3, 10:29 AM CDT, 1 hour 57 minutes before

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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <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.
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      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Jun 3, 8:40 AM CDT, 3 hours 46 minutes before

Hazardous Weather Outlook
National Weather Service Birmingham AL
840 AM CDT Thu Jun 3 2021

ALZ011>015-017>050-041645-
Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee-
Cleburne-Pickens-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega-
Clay-Randolph-Sumter-Greene-Hale-Perry-Bibb-Chilton-Coosa-Tallapoosa-
Chambers-Marengo-Dallas-Autauga-Lowndes-Elmore-Montgomery-Macon-
Bullock-Lee-Russell-Pike-Barbour-
840 AM CDT Thu Jun 3 2021

This Hazardous Weather Outlook is for the counties served by the
National Weather Service office in Birmingham.

.DAY ONE...Outlook through Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management is not
expected at this time.

In the hours before

Special weather statement, Jun 3, 12:26 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Birmingham AL
1226 PM CDT Thu Jun 3 2021

ALZ041-042-044-031800-
Autauga AL-Lowndes AL-Montgomery AL-
1226 PM CDT Thu Jun 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN AUTAUGA...NORTHERN
LOWNDES AND WEST CENTRAL MONTGOMERY COUNTIES UNTIL 100 PM CDT...

At 1226 PM CDT, Doppler radar was tracking a strong thunderstorm over
White Hall, or 8 miles north of Mosses, moving northeast at 35 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Southwestern Montgomery, Prattville, Mosses, Autaugaville, White
Hall, Lowndesboro, Benton, Dannelly Field, Autauga County Airport,
Manack, Robert F. Henry Lock And Dam and Collirene.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3217 8684 3222 8683 3223 8681 3224 8681
      3224 8683 3235 8681 3252 8642 3241 8641
      3241 8640 3226 8637
TIME...MOT...LOC 1726Z 245DEG 29KT 3229 8672

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 3, 12:29 PM CDT	Special Weather Statement	BMX	Cleburne	31 min
Jun 3, 1:50 PM CDT	Special Weather Statement	BMX	Chilton	25 min
Jun 3, 2:21 PM CDT	Special Weather Statement	BMX	Elmore	24 min
Jun 3, 2:30 PM CDT	Special Weather Statement	BMX	Talladega	30 min
Jun 3, 2:51 PM CDT	Special Weather Statement	BMX	Cleburne	24 min
Jun 3, 3:42 PM CDT	Special Weather Statement	BMX	Dallas	33 min
Jun 3, 5:53 PM CDT	Special Weather Statement	BMX	St. Clair	37 min

Nearby

Special Weather Statements in Alabama, 2021 Every special weather statement in 2021

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.