Alert archive / Alabama / Special Weather Statements in 2014

Special Weather Statement, NWS Huntsville, AL

August 2, 2014Jackson County, Alabama

NWS Huntsville, AL issued this special weather statement at Aug 2, 2014, 3:06 PM CDT for Jackson County, Alabama. It was in force for 24 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 2, 2014, 3:06 PM CDT (20:06 UTC)
Expired: Aug 2, 2014, 3:30 PM CDT
In force: 24 min
Issued by: NWS Huntsville, AL

County Jackson County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.1 hours before the alert went out and 207 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: 9 J/kg
Mixed-layer CIN: -204 J/kg
Mixed-layer LCL: 657 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Huntsville, AL wrote its last area forecast discussion before this special weather statement went out at Aug 2, 2:25 PM CDT, 41 minutes earlier.

Area forecast discussion, Aug 2, 2:25 PM CDT, 41 minutes before

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Hazardous weather outlook, Aug 2, 2:50 PM CDT, 16 minutes before

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In the hours before

Special weather statement, Aug 2, 1:49 PM CDT, 1 hour 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
149 PM CDT SAT AUG 2 2014

ALZ003-021915-
FRANKLIN AL-
149 PM CDT SAT AUG 2 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN FRANKLIN COUNTY
UNTIL 215 PM CDT...

AT 148 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR
PHIL CAMPBELL...MOVING SOUTH AT 15 MPH.

PENNY SIZE HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
RUSSELLVILLE...PHIL CAMPBELL...ROCKWOOD...SPRUCE PINE...ISBELL AND
NEWBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS ALSO OCCURRING WITH THIS
STORM. LIGHTNING CAN STRIKE SEVERAL MILES AWAY FROM THE PARENT
THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3452 8759 3441 8753 3431 8753 3430 8758
      3431 8778 3447 8780
TIME...MOT...LOC 1848Z 343DEG 11KT 3443 8767

SL.77

Special weather statement, Aug 2, 3:06 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 1:49 PM CDT	Special Weather Statement	HUN	Franklin	26 min
Aug 2, 4:06 PM CDT	Special Weather Statement	HUN	DeKalb	24 min
Aug 2, 4:30 PM CDT	Special Weather Statement	HUN	Limestone	45 min
Aug 2, 4:45 PM CDT	Special Weather Statement	HUN	Morgan	45 min
Aug 2, 4:57 PM CDT	Special Weather Statement	HUN	Morgan	48 min
Aug 2, 6:46 PM CDT	Special Weather Statement	HUN	Lauderdale	44 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.