Alert archive / Alabama / Flash Flood Warnings in 2015

Flash Flood Warning 2, NWS Birmingham, AL

June 1, 2015Calhoun County, Etowah County, St. Clair County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jun 1, 2015, 7:51 PM CDT for Calhoun County, Etowah County, St. Clair County, Alabama. It was in force for 3 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
Jun 1, 2015, 7:51 PM CDT (00:51 UTC)
Expired
Jun 1, 2015, 10:45 PM CDT
In force
3 hr
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Flood severity
None

Counties Calhoun County, AL, Etowah County, AL, St. Clair County, AL

The radar

The Birmingham radar (KBMX), 90 km from the middle of the area, began a volume at 00:52 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

TimeReportWhereRemark
Jun 1, 7:54 PM CDTFLASH FLOODOhatchee, ALONE INCH OF WATER REPORTED INSIDE A HOUSE IN OHATCHEE
Jun 1, 8:20 PM CDTFLASH FLOODRagland, ALFLOODING REPORTED ON PROVIDENCE ROAD IN RAGLAND. FIREWORKS STAND WASHED ONTO ROAD.

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 00:00Z, 0.9 hours before the alert went out and 90 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 00:00Z on 2015-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 659 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 00:00Z on 2015-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
659 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1123 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

980 
WGUS54 KBMX 020051
FFWBMX
ALC015-055-115-020345-
/O.NEW.KBMX.FF.W.0002.150602T0051Z-150602T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
751 PM CDT MON JUN 1 2015

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN CALHOUN COUNTY IN EAST CENTRAL ALABAMA...
  NORTHEASTERN ST. CLAIR COUNTY IN CENTRAL ALABAMA...
  SOUTHEASTERN ETOWAH COUNTY IN NORTHEASTERN ALABAMA...

* UNTIL 1045 PM CDT
    
* AT 750 PM CDT...DOPPLER RADAR INDICATED TWO TO THREE INCHES OF 
  RAIN HAS FALLEN FROM THUDNERSTORMS ACROSS THE AREA. FLASH FLOODING 
  IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  GADSDEN...ANNISTON...RAINBOW CITY...HOKES BLUFF...SAKS...GLENCOE...
  WEAVER...ASHVILLE...RAGLAND...OHATCHEE...STEELE...NEELY HENRY
  LAKE...ALEXANDRIA...SOUTHSIDE...NEELY HENRY DAM...COBB CITY...
  WATTSVILLE...REAVES...ALABAMA INTERNATIONAL DRAGWAY AND WELLINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3372 8581 3368 8617 3370 8617 3370 8619
      3369 8620 3368 8620 3366 8634 3396 8624
      3398 8578

$$

32/DAVIS
1 follow-up statement
368 
WGUS74 KBMX 020129
FFSBMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
829 PM CDT MON JUN 1 2015

ALC015-055-115-020345-
/O.CON.KBMX.FF.W.0002.000000T0000Z-150602T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALHOUN AL-ST. CLAIR AL-ETOWAH AL-
829 PM CDT MON JUN 1 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
NORTHWESTERN CALHOUN...NORTHEASTERN ST. CLAIR AND SOUTHEASTERN ETOWAH
COUNTIES...

AT 828 PM CDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING IN 
THE RAGLAND AREA. FLOODING HAS ALSO BEEN REPORTED NEAR OHATCHEE. 
PLEASE AVOID DRIVING IN FLOODED AREAS. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... 
GADSDEN...ANNISTON...RAINBOW CITY...HOKES BLUFF...SAKS...GLENCOE... 
WEAVER...ASHVILLE...RAGLAND...OHATCHEE...STEELE...NEELY HENRY 
LAKE... ALEXANDRIA...SOUTHSIDE...NEELY HENRY DAM...COBB 
CITY...WATTSVILLE... REAVES...ALABAMA INTERNATIONAL DRAGWAY AND 
WELLINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3372 8581 3368 8617 3370 8617 3370 8619
      3369 8620 3368 8620 3366 8634 3396 8624
      3398 8578

$$

32/DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 7:21 PM CDTAreal Flood AdvisoryBMXCalhoun, Etowah, St. Clair114 min
Jun 2, 3:28 AM CDTDense Fog AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more6 hr

Nearby

Flash Flood Warnings in Alabama, 2015Every flash flood warning in 2015

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.