Alert archive / Alabama / Special Weather Statements in 2014

Special Weather Statement, NWS Birmingham, AL

July 2, 2014Sumter County, Alabama

NWS Birmingham, AL issued this special weather statement at Jul 2, 2014, 4:55 PM CDT for Sumter County, Alabama. It was in force for 50 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 2, 2014, 4:55 PM CDT (21:55 UTC)
Expired: Jul 2, 2014, 5:45 PM CDT
In force: 50 min
Issued by: NWS Birmingham, AL

County Sumter County, AL

The radar

The Birmingham radar (KBMX), 135 km from the middle of the area, began a volume at 21:58 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, 9.9 hours before the alert went out and 135 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: 697 J/kg
Mixed-layer CIN: -198 J/kg
Mixed-layer LCL: 1414 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: 8 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 Jul 2, 3:12 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jul 2, 3:12 PM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jul 2, 1:30 PM CDT, 3 hours 25 minutes before

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In the hours before

Special weather statement, Jul 2, 4:55 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
455 PM CDT WED JUL 2 2014

ALZ030-031-039-022245-
GREENE AL-MARENGO AL-SUMTER AL-
455 PM CDT WED JUL 2 2014

...SIGNIFICANT WEATHER ADVISORY FOR SUMTER...NORTHERN MARENGO AND
SOUTHWESTERN GREENE COUNTIES UNTIL 545 PM CDT...

AT 455 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM EMELLE TO 5 MILES NORTHWEST
OF MYRTLEWOOD...AND MOVING NORTHEAST AT 10 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE
STORMS.

LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  LIVINGSTON...
  LINDEN...
  DEMOPOLIS...
  THE UNIVERSITY OF WEST ALABAMA...
  COATOPA...

THESE STORMS 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.

&&

LAT...LON 3277 8837 3288 8806 3258 8778 3253 8781
      3253 8773 3248 8773 3248 8769 3235 8758
      3215 8800 3227 8803 3230 8801 3230 8812
      3264 8839
TIME...MOT...LOC 2155Z 247DEG 9KT 3270 8830 3232 8799

75

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 5:24 PM CDT	Severe Thunderstorm Warning	BMX	Marengo, Sumter	51 min
Jul 2, 5:42 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion, Pickens	48 min
Jul 2, 6:05 PM CDT	Special Weather Statement	BMX	Chilton	40 min
Jul 2, 6:15 PM CDT	Special Weather Statement	BMX	Hale, Perry	45 min
Jul 2, 6:17 PM CDT	Special Weather Statement	BMX	Greene, Sumter	43 min
Jul 2, 6:25 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Sumter	44 min
Jul 2, 6:30 PM CDT	Special Weather Statement	BMX	Lamar, Marion, Pickens	45 min
Jul 2, 6:33 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Coosa	42 min

Nearby

Special Weather Statements in Alabama, 2014 Every special weather statement in 2014

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.