Alert archive / Alabama / Special Weather Statements in 2013

Special Weather Statement, NWS Birmingham, AL

May 19, 2013Lee County, Alabama

NWS Birmingham, AL issued this special weather statement at May 19, 2013, 2:13 PM CDT for Lee County, Alabama. It was in force for 47 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: May 19, 2013, 2:13 PM CDT (19:13 UTC)
Expired: May 19, 2013, 3:00 PM CDT
In force: 47 min
Issued by: NWS Birmingham, AL

County Lee County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.2 hours before the alert went out and 98 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: 1352 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 550 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

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 May 19, 1:10 PM CDT, 1 hour 3 minutes earlier.

Area forecast discussion, May 19, 1:10 PM CDT, 1 hour 3 minutes before

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Hazardous weather outlook, May 19, 12:08 PM CDT, 2 hours 5 minutes before

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In the hours before

Special weather statement, May 19, 1:43 PM CDT, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
143 PM CDT SUN MAY 19 2013

ALZ018-019-191930-
CALHOUN AL-ETOWAH AL-
143 PM CDT SUN MAY 19 2013

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN ETOWAH AND NORTHWESTERN
CALHOUN COUNTIES UNTIL 230 PM CDT...

AT 143 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR RAINBOW CITY...MOVING SOUTHEAST AT 15 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  RAINBOW CITY...
  GLENCOE...
  SOUTHSIDE...
  COBB CITY...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TORRENTIAL 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 3399 8584 3376 8592 3392 8615 3400 8610
TIME...MOT...LOC 1843Z 297DEG 11KT 3392 8604

Special weather statement, May 19, 2:13 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
213 PM CDT SUN MAY 19 2013

ALZ038-047-192000-
CHAMBERS AL-LEE AL-
213 PM CDT SUN MAY 19 2013

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CHAMBERS AND
NORTHEASTERN LEE COUNTIES UNTIL 300 PM CDT...

AT 212 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR BEANS MILL...OR 7 MILES SOUTHWEST OF
VALLEY...MOVING SLOWLY SOUTHEAST AT 10 MPH.

WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. THIS STORM IS SLOWLY
MOVING AND COULD RESULT IN LOCALIZED FLOODING AS WELL.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  BEANS MILL...
  BEULAH...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TORRENTIAL 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 3257 8529 3281 8544 3287 8531 3278 8512
      3276 8514 3274 8510 3271 8512 3267 8509
      3265 8509 3262 8508
TIME...MOT...LOC 1912Z 319DEG 11KT 3273 8523

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 8:12 AM CDT	River Flood Warning	BMX	Chilton, Coosa, Elmore, Shelby, Talladega	21 hr
May 19, 1:43 PM CDT	Special Weather Statement	BMX	Etowah	47 min
May 19, 2:27 PM CDT	Special Weather Statement	BMX	Clay	48 min
May 19, 5:11 PM CDT	Special Weather Statement	BMX	Cleburne	49 min
May 19, 5:21 PM CDT	Special Weather Statement	BMX	Calhoun	39 min
May 19, 6:02 PM CDT	Special Weather Statement	BMX	Randolph	43 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.