Alert archive / Alabama / Special Weather Statements in 2019

Special Weather Statement, NWS Birmingham, AL

August 3, 2019Cherokee County, Alabama

NWS Birmingham, AL issued this special weather statement at Aug 3, 2019, 4:16 PM CDT for Cherokee County, Alabama. It was in force for 29 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 3, 2019, 4:16 PM CDT (21:16 UTC)
Expired: Aug 3, 2019, 4:45 PM CDT
In force: 29 min
Issued by: NWS Birmingham, AL

County Cherokee County, AL

The radar

The Northeast Alabama radar (KHTX), 91 km from the middle of the area, began a volume at 21:18 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, 9.3 hours before the alert went out and 136 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: 110 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 901 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 3, 3:16 PM CDT, 1 hour earlier.

Area forecast discussion, Aug 3, 3:16 PM CDT, 1 hour before

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Hazardous weather outlook, Aug 3, 3:29 AM CDT, 12 hours 47 minutes before

Hazardous Weather Outlook
National Weather Service Birmingham AL
329 AM CDT Sat Aug 3 2019

ALZ011>015-017>050-041130-
Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee-
Cleburne-Pickens-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega-
Clay-Randolph-Sumter-Greene-Hale-Perry-Bibb-Chilton-Coosa-Tallapoosa-
Chambers-Marengo-Dallas-Autauga-Lowndes-Elmore-Montgomery-Macon-
Bullock-Lee-Russell-Pike-Barbour-
329 AM CDT Sat Aug 3 2019

This Hazardous Weather Outlook is for the counties served by the
National Weather Service office in Birmingham.

.DAY ONE...Outlook through Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management is not
expected at this time.

In the hours before

Special weather statement, Aug 3, 3:04 PM CDT, 1 hour 12 minutes before

Special Weather Statement
National Weather Service Birmingham AL
304 PM CDT Sat Aug 3 2019

ALZ026-032030-
St. Clair AL-
304 PM CDT Sat Aug 3 2019

...SIGNIFICANT WEATHER ADVISORY FOR ST. CLAIR COUNTY UNTIL 330 PM
CDT...

At 303 PM CDT, Doppler radar was tracking a strong thunderstorm over
Odenville, moving north at 5 mph.

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

Locations impacted include...
Pell City, Moody, Springville, Odenville, Margaret, Argo, Ashville,
Riverside, Bald Rock, Branchville, Logan Martin Lake, Whitney
Junction, St. Clair County Airport, St. Clair Springs, Wattsville,
Chula Vista, Caldwell, I 59 Rest Areas At Oneonta, Camp Winnataska
and Cropwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3370 8618 3369 8620 3368 8620 3366 8617
      3362 8618 3361 8620 3359 8618 3359 8622
      3356 8621 3349 8638 3350 8638 3351 8646
      3368 8653 3380 8654 3382 8646 3382 8643
      3386 8638 3390 8625
TIME...MOT...LOC 2003Z 175DEG 6KT 3369 8639

86/Martin

Special weather statement, Aug 3, 3:06 PM CDT, 1 hour 10 minutes before

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Special weather statement, Aug 3, 3:22 PM CDT, 54 minutes before

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Special weather statement, Aug 3, 3:33 PM CDT, 43 minutes before

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Special weather statement, Aug 3, 4:02 PM CDT, 14 minutes before

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Special weather statement, Aug 3, 4:16 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 7:26 PM CDT	Special Weather Statement	BMX	Perry	34 min
Aug 3, 11:34 AM CDT	Special Weather Statement	BMX	Chambers	26 min
Aug 3, 12:25 PM CDT	Special Weather Statement	BMX	Montgomery	35 min
Aug 3, 12:27 PM CDT	Special Weather Statement	BMX	Shelby	33 min
Aug 3, 12:33 PM CDT	Special Weather Statement	BMX	Bullock	42 min
Aug 3, 12:46 PM CDT	Special Weather Statement	BMX	Jefferson	29 min
Aug 3, 12:55 PM CDT	Special Weather Statement	BMX	Lee	35 min
Aug 3, 1:01 PM CDT	Special Weather Statement	BMX	Montgomery	29 min
Aug 3, 1:07 PM CDT	Special Weather Statement	BMX	Pike	38 min
Aug 3, 1:10 PM CDT	Special Weather Statement	BMX	Jefferson	35 min
Aug 3, 1:16 PM CDT	Special Weather Statement	BMX	Macon	29 min
Aug 3, 1:29 PM CDT	Special Weather Statement	BMX	Elmore	31 min
Aug 3, 1:37 PM CDT	Special Weather Statement	BMX	Shelby	23 min
Aug 3, 1:39 PM CDT	Special Weather Statement	BMX	Talladega	36 min
Aug 3, 1:54 PM CDT	Special Weather Statement	BMX	Clay	36 min
Aug 3, 2:16 PM CDT	Special Weather Statement	BMX	Chilton	29 min
Aug 3, 2:20 PM CDT	Special Weather Statement	BMX	Coosa	25 min
Aug 3, 2:34 PM CDT	Special Weather Statement	BMX	Cleburne	26 min
Aug 3, 2:36 PM CDT	Special Weather Statement	BMX	St. Clair	24 min
Aug 3, 2:39 PM CDT	Special Weather Statement	BMX	Russell	36 min
Aug 3, 2:44 PM CDT	Special Weather Statement	BMX	Coosa	31 min
Aug 3, 3:01 PM CDT	Special Weather Statement	BMX	Cleburne	29 min
Aug 3, 3:04 PM CDT	Special Weather Statement	BMX	St. Clair	26 min
Aug 3, 3:06 PM CDT	Special Weather Statement	BMX	Barbour	39 min
Aug 3, 3:22 PM CDT	Special Weather Statement	BMX	Autauga, Chilton	38 min
Aug 3, 3:33 PM CDT	Special Weather Statement	BMX	Fayette	27 min
Aug 3, 4:02 PM CDT	Special Weather Statement	BMX	Tuscaloosa	28 min
Aug 3, 4:33 PM CDT	Special Weather Statement	BMX	Pickens	27 min
Aug 3, 4:36 PM CDT	Special Weather Statement	BMX	Lamar	24 min
Aug 3, 4:58 PM CDT	Special Weather Statement	BMX	Pickens	32 min
Aug 3, 5:00 PM CDT	Special Weather Statement	BMX	Lamar	45 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; radar from the NEXRAD Level II archive.