Alert archive / Alabama / Flash Flood Warnings in 2017

Flash Flood Warning 2, NWS Birmingham, AL

January 2, 2017Bullock County, Pike County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jan 2, 2017, 5:27 PM CST for Bullock County, Pike County, Alabama. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 2, 2017, 5:27 PM CST (23:27 UTC)
Expired
Jan 2, 2017, 11:30 PM CST
In force
6 hr
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Flood severity
None

Counties Bullock County, AL, Pike County, AL

The radar

The Maxwell AFB radar (KMXX), 64 km from the middle of the area, began a volume at 23:28 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, 11.5 hours before the alert went out and 163 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, Birmingham, AL at 12:00Z on 2017-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2017-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 square meters per square second.19395878Sfc1 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
11 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

141 
WGUS54 KBMX 022327
FFWBMX
ALC011-109-030230-
/O.NEW.KBMX.FF.W.0002.170102T2327Z-170103T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
527 PM CST MON JAN 2 2017

The National Weather Service in Birmingham has issued a

* Flash Flood Warning for...
  Pike County in southeastern Alabama...
  Bullock County in southeastern Alabama...

* Until 830 PM CST

* At 527 PM CST, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is expected to
  begin shortly.

* Some locations that will experience flooding include...
  Troy, Union Springs, Brundidge, Midway, Goshen, Banks, Beans
  Crossroads, Pickett, Troy Municipal Airport, Troy University,
  Antioch, Shopton, Franklin Field, Guerryton, Ansley, Aberfoil,
  Linwood, Josie, Tennille and Simsville.

Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3162 8618 3166 8615 3179 8615 3179 8620
      3197 8617 3197 8600 3227 8598 3227 8590
      3230 8590 3223 8585 3222 8543 3215 8543
      3214 8541 3214 8543 3201 8543 3199 8559
      3186 8568 3177 8567 3174 8570 3162 8574

$$

Owen
1 follow-up statement
330 
WGUS54 KBMX 030149
FFWBMX
ALC011-109-030530-
/O.EXT.KBMX.FF.W.0002.000000T0000Z-170103T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
749 PM CST MON JAN 2 2017

The National Weather Service in Birmingham has extended the

* Flash Flood Warning for...
  Pike County in southeastern Alabama...
  Bullock County in southeastern Alabama...

* Until 1130 PM CST

* At 749 PM CST, Doppler radar indicated heavy rain across the warned
  area. Flash flooding is already occurring.

* Some locations that will experience flooding include...
  Troy, Union Springs, Brundidge, Midway, Goshen, Banks, Beans
  Crossroads, Pickett, Troy Municipal Airport, Troy University,
  Antioch, Shopton, Franklin Field, Guerryton, Ansley, Aberfoil,
  Linwood, Josie, Tennille and Simsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3162 8618 3166 8615 3179 8615 3179 8620
      3197 8617 3197 8600 3227 8598 3227 8590
      3230 8590 3223 8585 3222 8543 3215 8543
      3214 8541 3214 8543 3201 8543 3199 8559
      3186 8568 3177 8567 3174 8570 3162 8574

$$

Owen

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 7:11 PM CSTDense Fog AdvisoryBMXBibb, Blount, Calhoun, Cherokee, Cleburne, Etowah and 14 more14 hr
Jan 2, 5:05 AM CSTFlash Flood WatchBMXBarbour, Bullock, Chambers, Lee, Lowndes, Macon and 3 more19 hr
Jan 2, 7:00 AM CSTSevere Thunderstorm WarningBMXGreene, Sumter21 min
Jan 2, 7:22 AM CSTSpecial Weather StatementBMXGreene53 min
Jan 2, 8:04 AM CSTSpecial Weather StatementBMXTuscaloosa41 min
Jan 2, 8:48 AM CSTSpecial Weather StatementBMXTuscaloosa42 min
Jan 2, 9:04 AM CSTSpecial Weather StatementBMXJefferson41 min
Jan 2, 9:13 AM CSTSevere Thunderstorm WarningBMXJefferson30 min
Jan 2, 9:48 AM CSTAreal Flood WarningBMXBibb, Blount, Chilton, Greene, Hale, Jefferson and 3 more117 min
Jan 2, 9:48 AM CSTSpecial Weather StatementBMXBibb42 min
Jan 2, 10:02 AM CSTSpecial Weather StatementBMXJefferson43 min
Jan 2, 10:35 AM CSTSpecial Weather StatementBMXChilton, Shelby40 min
Jan 2, 11:07 AM CSTSpecial Weather StatementBMXCoosa, St. Clair, Talladega38 min
Jan 2, 11:45 AM CSTAreal Flood AdvisoryBMXBibb, Chilton, Hale, Jefferson, St. Clair, Shelby and 3 more2 hr
Jan 2, 11:48 AM CSTSpecial Weather StatementBMXCalhoun, Clay, Talladega42 min
Jan 2, 12:11 PM CSTSpecial Weather StatementBMXMarengo49 min
Jan 2, 12:36 PM CSTAreal Flood AdvisoryBMXCalhoun, Chambers, Clay, Cleburne, Coosa, Randolph and 3 more114 min
Jan 2, 1:09 PM CSTAreal Flood AdvisoryBMXAutauga, Bibb, Chilton, Coosa, Dallas, Elmore and 3 more2 hr
Jan 2, 3:51 PM CSTTornado WarningBMXPike34 min
Jan 2, 4:11 PM CSTTornado WarningBMXBullock48 min
Jan 2, 5:24 PM CSTFlash Flood WarningBMXAutauga, Lowndes, Montgomery6 hr
Jan 2, 5:56 PM CSTFlash Flood WarningBMXBarbour, Russell5 hr
Jan 2, 5:59 PM CSTFlash Flood WarningBMXElmore, Macon, Montgomery, Tallapoosa5 hr

Nearby

Flash Flood Warnings in Alabama, 2017Every flash flood warning in 2017

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.