Alert archive / Alabama / Special Weather Statements in 2018

Special Weather Statement, NWS Birmingham, AL

September 27, 2018Bullock County, Alabama

NWS Birmingham, AL issued this special weather statement at Sep 27, 2018, 12:21 PM CDT for Bullock County, Alabama. It was in force for 39 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
Sep 27, 2018, 12:21 PM CDT (17:21 UTC)
Expired
Sep 27, 2018, 1:00 PM CDT
In force
39 min
Issued by
NWS Birmingham, AL

County Bullock County, AL

The radar

The Maxwell AFB radar (KMXX), 59 km from the middle of the area, began a volume at 17:21 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, 5.4 hours before the alert went out and 179 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2018-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 310 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2018-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
310 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Sep 27, 7:16 AM CDT, 5 hours 5 minutes earlier.

Area forecast discussion, Sep 27, 7:16 AM CDT, 5 hours 5 minutes before
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Hazardous weather outlook, Sep 27, 3:49 AM CDT, 8 hours 32 minutes before
Hazardous Weather Outlook
National Weather Service Birmingham AL
349 AM CDT Thu Sep 27 2018

ALZ011>015-017>050-281200-
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-
349 AM CDT Thu Sep 27 2018

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

.DAY ONE...Outlook Through Tonight.

A front will stall out near the Interstate 59 corridor today. Heavy
rainfall over the past 24 hours has resulted in rainfall amounts of
1 to 3 inches along and north of Interstate 59. Any additional heavy
rainfall could result in flash flooding, mainly along and north of a
Tuscaloosa, to Calera, to Anniston line. Isolated areas of heavier
rain south of this area could result in localized flooding,
especially in poor drainage areas.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management may be needed
through tonight.

In the hours before

Special weather statement, Sep 27, 10:19 AM CDT, 2 hours 2 minutes before
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Special weather statement, Sep 27, 10:46 AM CDT, 1 hour 35 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1046 AM CDT THU SEP 27 2018

ALZ041-043-044-271630-
Autauga AL-Montgomery AL-Elmore AL-
1046 AM CDT THU SEP 27 2018

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN AUTAUGA...WESTERN ELMORE
AND NORTHWESTERN MONTGOMERY COUNTIES UNTIL 1130 AM CDT...

At 1046 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Vida Junction to near Autaugaville to
Beechwood. Movement was northeast at 20 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Montgomery, Prattville, Millbrook, Wetumpka, Elmore, Coosada,
Deatsville, Autaugaville, Booth, Montgomery Zoo, Vida Junction,
Boylston, Hyundai Motors Of Alabama, Bob Woodruff Lake, Autauga
County Airport, Titus, Woodcrest, Maxwell Air Force Base, Snowdoun
and Ten Cedar Estates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3224 8641 3228 8648 3234 8648 3234 8654
      3238 8657 3236 8660 3241 8662 3235 8668
      3236 8671 3259 8672 3271 8649 3271 8642
      3275 8641 3275 8634 3277 8634 3275 8632
      3275 8618 3255 8615 3223 8628 3218 8641
TIME...MOT...LOC 1546Z 233DEG 17KT 3256 8667 3237 8666 3215 8666

56
Special weather statement, Sep 27, 11:33 AM CDT, 48 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1133 AM CDT THU SEP 27 2018

ALZ036-043-271715-
Coosa AL-Elmore AL-
1133 AM CDT THU SEP 27 2018

...SIGNIFICANT WEATHER ADVISORY FOR ELMORE AND EASTERN COOSA COUNTIES
UNTIL 1215 PM CDT...

At 1132 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Marbury to near Elmore to Montgomery.
Movement was northeast at 30 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Prattville, Millbrook, Wetumpka, Tallassee, Goodwater, Rockford,
Kellyton, Equality, Elmore, Coosada, Deatsville, Eclectic,
Pentonville, Bradford, Santuck, Cottage Grove, Titus, Emerald
Mountain, Welona and Ten Cedar Estates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3243 8638 3254 8641 3273 8642 3275 8641
      3275 8638 3280 8643 3307 8608 3297 8601
      3276 8601 3277 8596 3275 8589 3268 8591
      3250 8589 3242 8608 3243 8619 3245 8618
      3250 8626 3247 8629 3249 8631 3241 8631
TIME...MOT...LOC 1632Z 234DEG 25KT 3269 8644 3256 8635 3240 8632

56
Special weather statement, Sep 27, 11:38 AM CDT, 43 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1138 AM CDT THU SEP 27 2018

ALZ044-271715-
Montgomery AL-
1138 AM CDT THU SEP 27 2018

...SIGNIFICANT WEATHER ADVISORY FOR MONTGOMERY COUNTY UNTIL 1215 PM
CDT...

At 1138 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Montgomery to Sprague. Movement was northeast
at 30 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Montgomery, Pike Road, Coosada, Montgomery Zoo, Boylston, Hyundai
Motors Of Alabama, Auburn University In Montgomery, Bob Woodruff
Lake, Snowdoun, Sellers, Waugh, Lagoon Park, Alabama State
University, Mount Meigs, Eastdale Mall, Sprague, Montgomery Riverwalk
Stadium, Pinedale, Gunter Air Force Base and Alabama State Capitol.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3205 8632 3243 8635 3241 8631 3244 8632
      3248 8631 3247 8629 3250 8625 3245 8620
      3246 8619 3243 8619 3243 8613 3242 8612
      3241 8605 3242 8603 3234 8599 3228 8592
      3227 8598 3225 8600 3214 8600 3204 8630
TIME...MOT...LOC 1638Z 240DEG 26KT 3242 8629 3215 8627

56
Special weather statement, Sep 27, 12:15 PM CDT, 6 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1215 PM CDT THU SEP 27 2018

ALZ036-037-043-271800-
Tallapoosa AL-Coosa AL-Elmore AL-
1215 PM CDT THU SEP 27 2018

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN ELMORE...TALLAPOOSA AND
SOUTHEASTERN COOSA COUNTIES UNTIL 100 PM CDT...

At 1214 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Crewsville to Eclectic to near
Victoryland. Movement was northeast at 30 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Alexander City, Tallassee, Dadeville, Camp Hill, Kellyton, Equality,
Eclectic, Jacksons' Gap, New Site, Waverly, Goldville, Martin Dam,
Cottage Grove, Reeves Airport, Nixburg, Southern Lake Martin,
Hillabee Creek, Eastern Lake Martin, Liberty City and Western Lake
Martin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3270 8570 3260 8570 3258 8572 3258 8580
      3249 8580 3249 8589 3248 8585 3245 8588
      3244 8596 3245 8598 3244 8599 3245 8599
      3243 8600 3241 8605 3260 8607 3295 8619
      3311 8579 3311 8559 3273 8559
TIME...MOT...LOC 1714Z 243DEG 25KT 3291 8611 3263 8600 3247 8599

56
Special weather statement, Sep 27, 12:21 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1221 PM CDT THU SEP 27 2018

ALZ046-049-050-271800-
Pike AL-Bullock AL-Barbour AL-
1221 PM CDT THU SEP 27 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN PIKE...BULLOCK AND
NORTHWESTERN BARBOUR COUNTIES UNTIL 100 PM CDT...

At 1221 PM CDT, Doppler radar was tracking a strong thunderstorm near
Banks, or 11 miles north of Brundidge, moving northeast at 35 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Union Springs, Clio, Midway, Clayton, Banks, Pickett, Aberfoil,
Spring Hill, Franklin Field, Comer, Barbour County Public Lake Dam,
Beans Crossroads, Guerryton, Linwood, Boot Hill, Tanyard, Sedgefield,
Monticello, Perote and Josie.

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 3185 8589 3223 8581 3223 8543 3215 8543
      3215 8531 3212 8527 3172 8563
TIME...MOT...LOC 1721Z 207DEG 30KT 3188 8576

56

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 10:19 AM CDTSpecial Weather StatementBMXLowndes41 min
Sep 27, 10:46 AM CDTSpecial Weather StatementBMXAutauga44 min
Sep 27, 11:33 AM CDTSpecial Weather StatementBMXCoosa, Elmore42 min
Sep 27, 11:38 AM CDTSpecial Weather StatementBMXMontgomery37 min
Sep 27, 12:15 PM CDTSpecial Weather StatementBMXTallapoosa45 min
Sep 27, 1:07 PM CDTSpecial Weather StatementBMXChambers, Lee38 min
Sep 27, 1:37 PM CDTSevere Thunderstorm WarningBMXChambers, Lee18 min
Sep 27, 4:22 PM CDTSpecial Weather StatementBMXChilton38 min

Nearby

Special Weather Statements in Alabama, 2018Every special weather statement in 2018

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.