Alert archive / Alabama / Flash Flood Warnings in 2021

Flash Flood Warning 2, NWS Mobile, AL

March 16, 2021Wilcox County, Alabama

NWS Mobile, AL issued this flash flood warning at Mar 16, 2021, 9:29 AM CDT for Wilcox County, Alabama. It was in force for 8 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 16, 2021, 9:29 AM CDT (14:29 UTC)
Expired: Mar 16, 2021, 5:30 PM CDT
In force: 8 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

County Wilcox County, AL

The radar

The Birmingham radar (KBMX), 129 km from the middle of the area, began a volume at 14:28 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.

What was reported inside it

Time	Report	Where	Remark
Mar 16, 2:05 PM CDT	FLASH FLOOD	3 E Kimbrough, AL	FLASH FLOODING ON WILLIE POWELL RD NEAR THE INTERSECTION OF HWY 162.
Mar 16, 2:05 PM CDT	FLASH FLOOD	Alberta, AL	REPORT OF WATER COVERING ROAD ALONG CR29 IN THE ALBERTA AREA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 2.5 hours before the alert went out and 129 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: 181 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 623 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 194 m²/s²
0-3 km storm-relative helicity: 248 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted.

448 
WGUS54 KMOB 161429
FFWMOB
ALC131-162030-
/O.NEW.KMOB.FF.W.0002.210316T1429Z-210316T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
929 AM CDT Tue Mar 16 2021

The National Weather Service in Mobile has issued a

* Flash Flood Warning for...
  Northern Wilcox County in south central Alabama...

* Until 330 PM CDT Tuesday.

* At 929 AM CDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  3 and 5 inches of rain have fallen. Additional rainfall amounts of 
  1 to 3 inches are possible in the warned area. Flash flooding is 
  ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Camden, Pine Hill, Yellow Bluff, Millers Ferry, Rockwest, Prairie, 
  Catherine, Rehoboth, Gastonburg, MacMillan, Kimbrough, Anne Manie, 
  Lamison, Alberta, Arlington, Carleys, Shawnee, Sunny South, Hestle 
  and Ackerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3204 8694 3191 8767 3200 8767 3201 8762
      3213 8762 3213 8752 3226 8752 3227 8750
      3227 8745 3224 8741 3224 8739 3220 8736
      3220 8733 3214 8728 3214 8725 3212 8726
      3209 8719 3205 8717 3205 8718

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

CGAL

3 follow-up statements

410 
WGUS74 KMOB 161901
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
201 PM CDT Tue Mar 16 2021

ALC131-162030-
/O.CON.KMOB.FF.W.0002.000000T0000Z-210316T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wilcox AL-
201 PM CDT Tue Mar 16 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM CDT THIS 
AFTERNOON FOR NORTHERN WILCOX COUNTY...

At 201 PM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 5 
and 6 inches of rain have fallen. Additional rainfall amounts of 1 
to 2 inches are possible in the warned area. Flash flooding is 
ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Camden, Pine Hill, Yellow Bluff, Millers Ferry, Rockwest, Prairie, 
  Catherine, Rehoboth, Gastonburg, MacMillan, Kimbrough, Anne Manie, 
  Lamison, Alberta, Arlington, Carleys, Shawnee, Sunny South, Hestle 
  and Ackerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3204 8694 3191 8767 3200 8767 3201 8762
      3213 8762 3213 8752 3226 8752 3227 8750
      3227 8745 3224 8741 3224 8739 3220 8736
      3220 8733 3214 8728 3214 8725 3212 8726
      3209 8719 3205 8717 3205 8718

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

CGAL

624 
WGUS54 KMOB 161925
FFWMOB
ALC131-162230-
/O.EXT.KMOB.FF.W.0002.000000T0000Z-210316T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
225 PM CDT Tue Mar 16 2021

The National Weather Service in Mobile has extended the

* Flash Flood Warning for...
  Northern Wilcox County in south central Alabama...

* Until 530 PM CDT.

* At 225 PM CDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  5 and 6 inches of rain have fallen. Additional rainfall amounts of 
  1 to 2 inches are possible in the warned area. Flash flooding is 
  ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Camden, Pine Hill, Yellow Bluff, Millers Ferry, Rockwest, Prairie, 
  Catherine, Rehoboth, Gastonburg, MacMillan, Kimbrough, Anne Manie, 
  Lamison, Alberta, Arlington, Carleys, Shawnee, Sunny South, Hestle 
  and Ackerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3204 8694 3191 8767 3200 8767 3201 8762
      3213 8762 3213 8752 3226 8752 3227 8750
      3227 8745 3224 8741 3224 8739 3220 8736
      3220 8733 3214 8728 3214 8725 3212 8726
      3209 8719 3205 8717 3205 8718

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

CGAL

718 
WGUS74 KMOB 162011
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
311 PM CDT Tue Mar 16 2021

ALC131-162230-
/O.CON.KMOB.FF.W.0002.000000T0000Z-210316T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wilcox AL-
311 PM CDT Tue Mar 16 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM CDT THIS 
AFTERNOON FOR NORTHERN WILCOX COUNTY...

At 311 PM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 5 
and 7 inches of rain have fallen. Additional rainfall amounts of 1 
to 2 inches are possible in the warned area. Flash flooding is 
already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Camden, Pine Hill, Yellow Bluff, Millers Ferry, Rockwest, Prairie, 
  Catherine, Rehoboth, Gastonburg, MacMillan, Kimbrough, Anne Manie, 
  Lamison, Alberta, Arlington, Carleys, Shawnee, Sunny South, Hestle 
  and Ackerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3204 8694 3191 8767 3200 8767 3201 8762
      3213 8762 3213 8752 3226 8752 3227 8750
      3227 8745 3224 8741 3224 8739 3220 8736
      3220 8733 3214 8728 3214 8725 3212 8726
      3209 8719 3205 8717 3205 8718

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

CGAL

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 16, 12:36 AM CDT	Special Weather Statement	MOB	Choctaw	39 min
Mar 16, 1:17 AM CDT	Special Weather Statement	MOB	Choctaw	43 min
Mar 16, 1:38 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	52 min
Mar 16, 2:31 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	28 min
Mar 16, 3:44 AM CDT	Marine Dense Fog Advisory	MOB		9 hr
Mar 16, 3:52 AM CDT	Special Weather Statement	MOB	Choctaw	23 min
Mar 16, 4:24 AM CDT	Special Weather Statement	MOB	Wilcox	66 min
Mar 16, 4:40 AM CDT	Severe Thunderstorm Warning	MOB	Wilcox	30 min
Mar 16, 5:48 AM CDT	Special Weather Statement	MOB	Wilcox	27 min
Mar 16, 9:24 AM CDT	Flash Flood Warning	MOB	Choctaw, Clarke	8 hr
Mar 16, 10:10 AM CDT	Special Weather Statement	MOB	Clarke	50 min
Mar 16, 10:41 AM CDT	Special Weather Statement	MOB	Clarke	49 min
Mar 16, 11:09 AM CDT	Special Weather Statement	MOB	Wilcox	51 min
Mar 16, 11:28 AM CDT	Flash Flood Watch	MOB	Butler, Choctaw, Clarke, Conecuh, Crenshaw, Monroe and 2 more	12 hr
Mar 16, 11:42 AM CDT	Special Weather Statement	MOB	Wilcox	48 min
Mar 16, 12:11 PM CDT	Special Weather Statement	MOB	Butler	34 min
Mar 16, 12:47 PM CDT	Special Weather Statement	MOB	Butler, Crenshaw	58 min
Mar 16, 1:11 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	49 min
Mar 16, 2:00 PM CDT	Special Weather Statement	MOB	Crenshaw	15 min
Mar 16, 4:47 PM CDT	Flash Flood Warning	MOB	Choctaw, Clarke, Washington, Wilcox	6 hr
Mar 16, 4:48 PM CDT	Marine Dense Fog Advisory	MOB		17 hr
Mar 16, 4:48 PM CDT	Small Craft Advisory	MOB		5 days
Mar 16, 4:53 PM CDT	Dense Fog Advisory	MOB	Baldwin, Mobile	17 hr
Mar 16, 4:53 PM CDT	Wind Advisory	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	28 hr

Nearby

Flash Flood Warnings in Alabama, 2021 Every flash flood warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.