Alert archive / Alabama / Flash Flood Warnings in 2016

Flash Flood Warning 25, NWS Mobile, AL

June 15, 2016Butler County, Monroe County, Alabama

NWS Mobile, AL issued this flash flood warning at Jun 15, 2016, 9:29 AM CDT for Butler County, Monroe County, Alabama. It was in force for 3 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
Jun 15, 2016, 9:29 AM CDT (14:29 UTC)
Expired
Jun 15, 2016, 12:30 PM CDT
In force
3 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Butler County, AL, Monroe County, AL

The radar

The Maxwell AFB radar (KMXX), 135 km from the middle of the area, began a volume at 14:29 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, 2.5 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2016-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 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 2016-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
115 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

577 
WGUS54 KMOB 151429
FFWMOB
ALC013-099-151730-
/O.NEW.KMOB.FF.W.0025.160615T1429Z-160615T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
929 AM CDT WED JUN 15 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  WEST CENTRAL BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 1230 PM CDT

* AT 927 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA.  UP TO 3 TO 4 INCHES OF RAIN
  HAS FALLEN OVER THE PAST TWO HOURS WITH AN ADDITIONAL 1 TO 2
  INCHES OF RAIN EXPECTED. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF NORTHEASTERN
  MONROE AND WEST CENTRAL BUTLER COUNTIES.

LAT...LON 3172 8675 3169 8675 3173 8690 3175 8691
      3174 8695 3175 8699 3179 8708 3183 8687

$$
1 follow-up statement
297 
WGUS74 KMOB 151731
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1231 PM CDT WED JUN 15 2016

ALC013-099-151739-
/O.EXP.KMOB.FF.W.0025.000000T0000Z-160615T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE AL-BUTLER AL-
1231 PM CDT WED JUN 15 2016

...THE FLASH FLOOD WARNING FOR NORTHEASTERN MONROE AND WEST CENTRAL
BUTLER COUNTIES WILL EXPIRE AT 1230 PM CDT...

AT 1229 PM CDT...THE HEAVY RAINS HAVE DECREASED SUFFICIENTLY THAT
FLASH FLOODING IS NO LONGER EXPECTED TO POSE A THREAT.  WHILE THE
THREAT OF FLASH FLOODING HAS ENDED...PONDING OF WATER IN LOW LYING
AREAS AND OTHER NUISANCE FLOODING CAN BE EXPECTED THROUGH MID
AFTERNOON.

LAT...LON 3172 8675 3169 8675 3173 8690 3175 8691
      3174 8695 3175 8699 3179 8708 3183 8687

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 4:12 AM CDTSpecial Weather StatementMOBButler, Conecuh78 min
Jun 15, 8:25 AM CDTAreal Flood AdvisoryMOBButler, Conecuh, Monroe, Wilcox3 hr
Jun 15, 8:35 AM CDTSpecial Marine WarningMOB55 min
Jun 15, 8:46 AM CDTSpecial Weather StatementMOBMobile44 min
Jun 15, 8:53 AM CDTSevere Thunderstorm WarningMOBMobile52 min
Jun 15, 9:04 AM CDTAreal Flood AdvisoryMOBMobile56 min
Jun 15, 9:31 AM CDTSpecial Marine WarningMOB59 min
Jun 15, 9:47 AM CDTSevere Thunderstorm WarningMOBMobile58 min
Jun 15, 9:49 AM CDTFlash Flood WarningMOBMobile3 hr
Jun 15, 9:58 AM CDTSpecial Marine WarningMOB92 min
Jun 15, 10:26 AM CDTAreal Flood AdvisoryMOBButler, Wilcox3 hr
Jun 15, 10:32 AM CDTSpecial Marine WarningMOB28 min

Nearby

Flash Flood Warnings in Alabama, 2016Every flash flood warning in 2016

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.