Alert archive / Alabama / Special Weather Statements in 2013

Special Weather Statement, NWS Birmingham, AL

August 8, 2013Lee County, Alabama

NWS Birmingham, AL issued this special weather statement at Aug 8, 2013, 1:49 PM CDT for Lee County, Alabama. It was in force for 41 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: Aug 8, 2013, 1:49 PM CDT (18:49 UTC)
Expired: Aug 8, 2013, 2:30 PM CDT
In force: 41 min
Issued by: NWS Birmingham, AL

County Lee County, AL

The radar

The Maxwell AFB radar (KMXX), 63 km from the middle of the area, began a volume at 18:49 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, 6.8 hours before the alert went out and 103 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: 1205 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 546 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -72 m²/s²
0-3 km storm-relative helicity: -23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Aug 8, 1:49 PM CDT, 0 minutes earlier.

Area forecast discussion, Aug 8, 1:49 PM CDT, 0 minutes before

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Hazardous weather outlook, Aug 8, 11:52 AM CDT, 1 hour 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1152 AM CDT THU AUG 8 2013

ALZ011>015-017>050-091700-
AUTAUGA-BARBOUR-BIBB-BLOUNT-BULLOCK-CALHOUN-CHAMBERS-CHEROKEE-
CHILTON-CLAY-CLEBURNE-COOSA-DALLAS-ELMORE-ETOWAH-FAYETTE-GREENE-HALE-
JEFFERSON-LAMAR-LEE-LOWNDES-MACON-MARENGO-MARION-MONTGOMERY-PERRY-
PICKENS-PIKE-RANDOLPH-RUSSELL-SHELBY-ST CLAIR-SUMTER-TALLADEGA-
TALLAPOOSA-TUSCALOOSA-WALKER-WINSTON-
1152 AM CDT THU AUG 8 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE
NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE EXPECTED DEVELOPMENT OF POSSIBLE SLOW MOVING THUNDERSTORMS COULD
PRODUCE LOCALIZED FLASH FLOODING FROM 2 PM UNTIL 8 PM.

.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.

08/MK

In the hours before

Local storm report, Aug 8, 9:47 AM CDT, 4 hours 2 minutes before

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Special weather statement, Aug 8, 1:06 PM CDT, 43 minutes before

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Special weather statement, Aug 8, 1:49 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
149 PM CDT THU AUG 8 2013

ALZ047-081930-
LEE AL-
149 PM CDT THU AUG 8 2013

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN LEE COUNTY UNTIL 230 PM
CDT...

AT 147 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR SMITHS STATION...OR NEAR SMITHS...MOVING NORTH AT 5
MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  GRIFFEN MILL...
  BLEECKER...
  BEULAH...
  BEANS MILL...
  BARTLETTS FERRY DAM...

HEAVY RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

&&

LAT...LON 3251 8506 3249 8506 3247 8520 3247 8524
      3269 8539 3275 8511 3274 8511 3269 8511
      3267 8509 3264 8509 3264 8508 3261 8508
      3251 8500
TIME...MOT...LOC 1849Z 158DEG 4KT 3256 8512

08

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 7:19 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Randolph	41 min
Aug 7, 7:26 PM CDT	Special Weather Statement	BMX	Hale	49 min
Aug 7, 7:48 PM CDT	Special Weather Statement	BMX	Chambers, Tallapoosa	42 min
Aug 7, 10:24 PM CDT	Special Weather Statement	BMX	Lowndes	51 min
Aug 7, 10:35 PM CDT	Special Weather Statement	BMX	Pike	40 min
Aug 8, 1:06 PM CDT	Special Weather Statement	BMX	Jefferson	39 min
Aug 8, 1:40 PM CDT	Flash Flood Warning	BMX	Jefferson	3 hr
Aug 8, 3:20 PM CDT	Areal Flood Advisory	BMX	Montgomery	115 min
Aug 8, 3:25 PM CDT	Special Weather Statement	BMX	Chambers	50 min
Aug 8, 5:36 PM CDT	Special Weather Statement	BMX	Shelby	24 min

Nearby

Special Weather Statements in Alabama, 2013 Every special weather statement in 2013

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.