Alert archive / Alabama / Special Weather Statements in 2019

Special Weather Statement, NWS Birmingham, AL

August 7, 2019Etowah County, Alabama

NWS Birmingham, AL issued this special weather statement at Aug 7, 2019, 2:19 PM CDT for Etowah 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 7, 2019, 2:19 PM CDT (19:19 UTC)
Expired: Aug 7, 2019, 3:00 PM CDT
In force: 41 min
Issued by: NWS Birmingham, AL

County Etowah County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.3 hours before the alert went out and 160 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: 1046 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 1132 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 Aug 7, 12:33 PM CDT, 1 hour 46 minutes earlier.

Area forecast discussion, Aug 7, 12:33 PM CDT, 1 hour 46 minutes before

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Hazardous weather outlook, Aug 7, 3:28 AM CDT, 10 hours 51 minutes before

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In the hours before

Special weather statement, Aug 7, 2:19 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Birmingham AL
219 PM CDT Wed Aug 7 2019

ALZ018-072000-
Etowah AL-
219 PM CDT Wed Aug 7 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ETOWAH COUNTY UNTIL
300 PM CDT...

At 219 PM CDT, Doppler radar was tracking a strong thunderstorm near
Boaz, moving southeast at 15 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Tabor Road, Black Creek and Keener.

LAT...LON 3410 8584 3411 8600 3419 8611 3420 8611
      3420 8584
TIME...MOT...LOC 1919Z 305DEG 14KT 3425 8608

89^GSatterwhite

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 6:09 PM CDT	Special Weather Statement	BMX	Marion	51 min
Aug 7, 6:16 PM CDT	Severe Thunderstorm Warning	BMX	Marion	44 min
Aug 7, 6:51 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion, Walker, Winston	26 min

Nearby

Special Weather Statements in Alabama, 2019 Every special weather statement in 2019

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.