Alert archive / Alabama / Flash Flood Warnings in 2016

Flash Flood Warning 32, NWS Mobile, AL

August 10, 2016Baldwin County, Alabama; Escambia County, Florida

NWS Mobile, AL issued this flash flood warning at Aug 10, 2016, 1:35 PM CDT for Baldwin County, Alabama; Escambia County, Florida. 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: Aug 10, 2016, 1:35 PM CDT (18:35 UTC)
Expired: Aug 10, 2016, 4:30 PM CDT
In force: 3 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

Counties Baldwin County, AL, Escambia County, FL

The radar

The Mobile radar (KMOB), 76 km from the middle of the area, began a volume at 18:38 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
Aug 10, 2:20 PM CDT	FLASH FLOOD	4 Nne Elberta, AL	COUNTY EMERGENCY MANAGER REPORTS WATER OVER MAILBOXES ALONG CR 87 IN CENTRAL BALDWIN COUNTY.
Aug 10, 2:58 PM CDT	FLASH FLOOD	5 Se Robertsdale, AL	COUNTY EM REPORTS WATER ACROSS CR 36 BETWEEN HARRIS ROAD AND LASSITER FARM ROAD.

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.6 hours before the alert went out and 213 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: 1346 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 642 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: -1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

590 
WGUS54 KMOB 101835
FFWMOB
ALC003-FLC033-102130-
/O.NEW.KMOB.FF.W.0032.160810T1835Z-160810T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
135 PM CDT WED AUG 10 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BALDWIN COUNTY IN SOUTHWESTERN ALABAMA...
  SOUTH CENTRAL ESCAMBIA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 430 PM CDT

* AT 132 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 NEAR UNITED STATES HIGHWAY 98
  AND DOG TRACK ROAD OVER THE PAST SEVERAL HOURS. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  PENSACOLA...WEST PENSACOLA...WARRINGTON...FOLEY...ROBERTSDALE...
  LILLIAN...MYRTLE GROVE...SUMMERDALE...PERDIDO BEACH AND ELBERTA.

ADDITIONAL RAINFALL...WITH AMOUNTS GREATER THAN 2 INCHES IN
SPOTS...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 3033 8771 3044 8774 3061 8774 3066 8733
      3054 8729 3034 8726 3034 8733 3033 8733

$$

BUTTS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 7:32 AM CDT	Special Marine Warning	MOB		118 min
Aug 10, 8:23 AM CDT	Rip Current Statement	MOB	Baldwin, Mobile	3 days
Aug 10, 9:29 AM CDT	Special Marine Warning	MOB		61 min
Aug 10, 10:30 AM CDT	Special Marine Warning	MOB		30 min
Aug 10, 11:45 AM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
Aug 10, 12:40 PM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
Aug 10, 2:10 PM CDT	Special Marine Warning	MOB		65 min
Aug 10, 2:16 PM CDT	Special Weather Statement	MOB	Baldwin	44 min
Aug 10, 2:29 PM CDT	Special Weather Statement	MOB	Mobile	31 min
Aug 10, 2:33 PM CDT	Special Marine Warning	MOB		42 min
Aug 10, 2:58 PM CDT	Areal Flood Advisory	MOB	Baldwin, Escambia	2 hr
Aug 10, 3:10 PM CDT	Areal Flood Advisory	MOB	Mobile	3 hr
Aug 10, 3:16 PM CDT	Special Marine Warning	MOB		89 min
Aug 10, 3:45 PM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
Aug 10, 4:29 PM CDT	Areal Flood Warning	MOB	Baldwin	3 hr
Aug 10, 9:59 AM CDT	Areal Flood Advisory	MOB	Escambia	3 hr
Aug 10, 2:01 PM CDT	Areal Flood Advisory	MOB	Santa Rosa	119 min

Nearby

Flash Flood Warnings in Alabama, 2016 Flash Flood Warnings in Florida, 2016 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.