Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Birmingham, AL

July 18, 2016Cleburne County, Alabama

NWS Birmingham, AL issued this special weather statement at Jul 18, 2016, 7:28 PM CDT for Cleburne County, Alabama. It was in force for 32 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
Jul 18, 2016, 7:28 PM CDT (00:28 UTC)
Expired
Jul 18, 2016, 8:00 PM CDT
In force
32 min
Issued by
NWS Birmingham, AL

County Cleburne County, AL

The radar

The Atlanta radar (KFFC), 101 km from the middle of the area, began a volume at 00:28 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.5 hours before the alert went out and 106 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, Peachtre/Fal Fld, GA at 00:00Z on 2016-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1130 joules per kilogram.LCLEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 00:00Z on 2016-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
1130 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1685 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
4 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 Jul 18, 6:47 PM CDT, 41 minutes earlier.

Area forecast discussion, Jul 18, 6:47 PM CDT, 41 minutes before
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Hazardous weather outlook, Jul 18, 4:33 AM CDT, 14 hours 55 minutes before
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In the hours before

Special weather statement, Jul 18, 7:26 PM CDT, 2 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Jul 18, 7:28 PM CDT, 0 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        Please try again in a few minutes.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:26 PM CDTSpecial Weather StatementBMXRussell49 min
Jul 18, 8:19 PM CDTSpecial Weather StatementBMXCleburne41 min
Jul 19, 11:26 AM CDTSpecial Weather StatementBMXMontgomery34 min
Jul 19, 11:59 AM CDTSpecial Weather StatementBMXPike61 min
Jul 19, 12:17 PM CDTSpecial Weather StatementBMXMacon58 min
Jul 19, 12:21 PM CDTSpecial Weather StatementBMXFayette24 min
Jul 19, 12:42 PM CDTSpecial Weather StatementBMXRussell33 min
Jul 19, 1:12 PM CDTSpecial Weather StatementBMXBullock33 min
Jul 19, 1:33 PM CDTSpecial Weather StatementBMXBullock27 min
Jul 19, 1:39 PM CDTSpecial Weather StatementBMXBarbour36 min
Jul 19, 1:45 PM CDTSpecial Weather StatementBMXLee30 min
Jul 19, 2:16 PM CDTSpecial Weather StatementBMXBarbour29 min
Jul 19, 2:26 PM CDTSpecial Weather StatementBMXMacon34 min
Jul 19, 2:31 PM CDTSpecial Weather StatementBMXLowndes29 min
Jul 19, 2:48 PM CDTSpecial Weather StatementBMXBlount27 min
Jul 19, 2:58 PM CDTSpecial Weather StatementBMXElmore32 min
Jul 19, 3:35 PM CDTSpecial Weather StatementBMXClay25 min
Jul 19, 4:07 PM CDTSpecial Weather StatementBMXClay23 min
Jul 19, 4:28 PM CDTSpecial Weather StatementBMXRandolph32 min
Jul 19, 4:38 PM CDTSpecial Weather StatementBMXClay37 min
Jul 19, 5:00 PM CDTSpecial Weather StatementBMXClay30 min
Jul 19, 5:04 PM CDTSpecial Weather StatementBMXJefferson26 min
Jul 19, 5:49 PM CDTSpecial Weather StatementBMXWalker26 min
Jul 19, 6:56 PM CDTSpecial Weather StatementBMXWinston34 min

Nearby

Special Weather Statements in Alabama, 2016Every special weather statement in 2016

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.