Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Birmingham, AL

June 14, 2021Chambers County, Alabama

NWS Birmingham, AL issued this special weather statement at Jun 14, 2021, 1:14 PM CDT for Chambers County, Alabama. It was in force for 31 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 14, 2021, 1:14 PM CDT (18:14 UTC)
Expired
Jun 14, 2021, 1:45 PM CDT
In force
31 min
Issued by
NWS Birmingham, AL

County Chambers County, AL

The radar

The Maxwell AFB radar (KMXX), 60 km from the middle of the area, began a volume at 18:17 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, 6.2 hours before the alert went out and 105 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1905 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1905 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 14, 12:44 PM CDT, 30 minutes earlier.

Area forecast discussion, Jun 14, 12:44 PM CDT, 30 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.
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Hazardous weather outlook, Jun 14, 10:31 AM CDT, 2 hours 43 minutes before
Hazardous Weather Outlook
National Weather Service Birmingham AL
1031 AM CDT Mon Jun 14 2021

ALZ011>015-017>050-151845-
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-
1031 AM CDT Mon Jun 14 2021

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

.DAY ONE...Outlook through Tonight.

Scattered to perhaps numerous showers and storms are expected to
develop during the afternoon hours today across Central Alabama.
Isolated damaging winds up to 60mph are possible with stronger
storms. Areas along and south of a line from Pickens to Cleburne
County have the best isolated severe storm chance. The severe storm
threat is expected to subside after sunset this evening.

Minor flooding continues along the Tombigbee River basin. Please see
River Flood Statements for the latest information.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Minor flooding is expected to continue along portions of the
Tombigbee River basin through Saturday. Please see River Flood
Statements for specific details.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Jun 14, 1:14 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Birmingham AL
114 PM CDT Mon Jun 14 2021

ALZ028-029-037-038-141845-
Tallapoosa AL-Clay AL-Randolph AL-Chambers AL-
114 PM CDT Mon Jun 14 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN RANDOLPH...
NORTHEASTERN TALLAPOOSA...NORTHWESTERN CHAMBERS AND SOUTHEASTERN CLAY
COUNTIES UNTIL 145 PM CDT...

At 114 PM CDT, Doppler radar was tracking a strong thunderstorm near
Sparkling Springs, or 11 miles south of Lake Wedowee, moving south at
10 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Wadley, Abanda, Penton, Trammel Crossroads, Sparkling Springs,
Daviston, Eagle Creek, Horseshoe Bend, Motley and Horseshoe Bend
National Military Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3294 8575 3311 8575 3316 8574 3317 8565
      3318 8554 3297 8544
TIME...MOT...LOC 1814Z 351DEG 9KT 3312 8564

86/Martin

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 3:48 AM CDTSpecial Weather StatementBMXJefferson27 min
Jun 14, 4:04 AM CDTSpecial Weather StatementBMXCalhoun41 min
Jun 14, 1:44 PM CDTSpecial Weather StatementBMXTallapoosa46 min
Jun 14, 1:52 PM CDTSpecial Weather StatementBMXRandolph23 min
Jun 14, 2:13 PM CDTSpecial Weather StatementBMXTallapoosa47 min
Jun 14, 3:01 PM CDTSpecial Weather StatementBMXElmore44 min
Jun 14, 3:40 PM CDTSpecial Weather StatementBMXMontgomery50 min
Jun 14, 4:43 PM CDTSpecial Weather StatementBMXAutauga32 min
Jun 14, 5:10 PM CDTSpecial Weather StatementBMXLowndes35 min
Jun 14, 5:46 PM CDTSpecial Weather StatementBMXAutauga29 min
Jun 14, 5:48 PM CDTSpecial Weather StatementBMXSumter27 min
Jun 14, 5:59 PM CDTSpecial Weather StatementBMXAutauga31 min
Jun 14, 6:28 PM CDTSpecial Weather StatementBMXLowndes47 min
Jun 14, 6:40 PM CDTSevere Thunderstorm WarningBMXLowndes18 min
Jun 14, 6:44 PM CDTSpecial Weather StatementBMXCoosa31 min

Nearby

Special Weather Statements in Alabama, 2021Every 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.