Alert archive / Florida / Flash Flood Warnings in 2012

Flash Flood Warning 18, NWS Mobile, AL

June 9, 2012Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Jun 9, 2012, 2:07 PM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 4 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 9, 2012, 2:07 PM CDT (19:07 UTC)
Expired
Jun 9, 2012, 6:14 PM CDT
In force
4 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Emergency
Flash flood emergency
Flood severity
None

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 107 km from the middle of the area, began a volume at 19:07 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 9, 3:25 PM CDTFLASH FLOODGulf Breeze, FLREDWOOD DRIVE, RAMBLEWOOD CIR, MAPLEWOOD DRIVE ALL CLOSED DUE TO FLOODING. RESIDENTIAL FLOODING HAS OCCURRED ON RAMBLEWOOD AND CIRCLE DRIVES.
Jun 9, 5:09 PM CDTFLASH FLOODWarrington, FL100 PEOPLE HAD TO BE EVACUATED FROM AN APPARTMENT COMPLEX EARLIER THIS AFTERNOON IN WARRINGTON.

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, 7.1 hours before the alert went out and 244 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, Slidell Radar S, LA at 12:00Z on 2012-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1279 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, Slidell Radar S, LA at 12:00Z on 2012-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
1279 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
503 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

396 
WGUS54 KMOB 091907
FFWMOB
FLC033-113-100100-
/O.NEW.KMOB.FF.W.0018.120609T1907Z-120610T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
207 PM CDT SAT JUN 9 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  SOUTHERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 800 PM CDT

* AT 156 PM CDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED LIFE 
  THREATENING FLASH FLOODING OVER THE WARNED AREA. RADAR ESTIMATES 
  THAT RAINFALL TOTALS OF 6 TO 14 INCHES HAVE FALLEN ACROSS THE
  EXTREME SOUTHERN ESCAMBIA AND SANTA ROSA COUNTIES...WITH THE       
  HIGHEST TOTALS OVER SOUTHEASTERN ESCAMBIA COUNTY. ADDITIONAL HEAVY 
  RAIN WILL MOVE IN FROM THE GULF AND MEXICO OVER THE NEXT SEVERAL   
  HOURS AND PRODUCE  HOURLY RAINFALL TOTALS OF 2 TO 3 INCHES AT      
  TIMES. THIS WILL CONTINUE TO CAUSE EXTREMELY DANGEROUS FLASH       
  FLOODING IN THE WARNED AREA.

  THIS IS A FLASH FLOOD EMERGENCY FOR THE ENTIRE WARNED AREA!

* LOCAL LAW ENFORCEMENT AND FIRST RESPONDERS ARE CONDUCTING WATER
  RESCUES IN THE WARRINGTON...MYRTLE GROVE AND PERDIDO PARK AREAS.
  IN ADDITION...WATER IS MOVING INTO HOMES IN GULF BREEZE AT 
  CIRCLE DRIVE AND RAMBLEWOOD DRIVE. THIS IS AN EXTREME EVENT...NOT
  A TYPICAL FLASH FLOOD.

* LOCATIONS IMPACTED INCLUDE...
  PENSACOLA...          TIGER POINT...        PEA RIDGE...
  GULF BREEZE...        MIDWAY...             GARCON POINT...
  FLORIDATOWN...        EAST MILTON...        DICKERSON CITY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A VERY DANGEROUS AND LIFE THREATENING FLOODING SITUATION. YOU
SHOULD NOT ATTEMPT TO TRAVEL. STAY HOME UNLESS YOU ARE FORCED TO
EVACUATE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. SEEK
HIGHER GROUND IMMEDIATELY. DO NOT DRIVE OR WALK INTO AREAS WHERE
WATER CROSSES A ROAD. TURN AROUND - DON'T DROWN!

&&

LAT...LON 3043 8735 3056 8742 3063 8690 3039 8691
      3036 8692 3036 8720 3036 8721 3045 8695
      3054 8703 3044 8710 3057 8717 3033 8726
      3032 8721 3029 8750

$$
1 follow-up statement
145 
WGUS74 KMOB 092314
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
614 PM CDT SAT JUN 9 2012

FLC033-113-092323-
/O.CAN.KMOB.FF.W.0018.000000T0000Z-120610T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA ROSA FL-ESCAMBIA FL-
614 PM CDT SAT JUN 9 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN
ESCAMBIA AND SOUTHERN SANTA ROSA COUNTIES...

AT 610 PM CDT...THE HEAVY RAINFALL THAT PROMPTED THE WARNING FOR 
SOUTHEASTERN ESCAMBIA AND SOUTHERN SANTA ROSA COUNTIES HAS 
ENDED...THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED. WHILE THE 
THREAT OF RAPIDLY RISING WATER HAS     DECREASED SINCE THE HEAVY 
RAIN HAS TEMPORARILY ENDED...FLOODING OF ROADS...LOW LYING AND POOR 
DRAINAGE AREAS WILL CONTINUE AS LOCAL CREEKS AND STREAMS CONTINUE TO 
RISE OR CREST. THEREFORE...AN AREAL FLOOD WARNING HAS BEEN ISSUED 
UNTIL 615 AM. THE THREAT FOR FLASH FLOODING WILL INCREASE AGAIN LATE 
TONIGHT INTO SUNDAY MORNING AS ADDITIONAL HEAVY RAINFALL MOVES INTO 
THE AREA. FLASH FLOOD WARNINGS WILL BE ISSUED AS NECESSARY FOR 
EXPECTED RAPID WATER RISES. 

LAT...LON 3043 8735 3056 8742 3063 8690 3039 8691
      3036 8692 3036 8720 3036 8721 3045 8695
      3054 8703 3044 8710 3057 8717 3033 8726
      3032 8721 3029 8750

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 7:56 PM CDTRip Current StatementMOB23 hr
Jun 9, 9:56 AM CDTFlash Flood WarningMOBEscambia4 hr
Jun 9, 11:31 AM CDTFlash Flood Warning EmergencyMOBEscambia4 hr
Jun 9, 1:23 PM CDTAreal Flood AdvisoryMOBSanta Rosa3 hr
Jun 9, 3:09 PM CDTFlash Flood WatchMOB37 hr
Jun 9, 3:23 PM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa6 hr
Jun 9, 4:33 PM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa117 min
Jun 9, 6:13 PM CDTAreal Flood WarningMOBEscambia, Santa Rosa12 hr

Nearby

Flash Flood Warnings in Florida, 2012Every flash flood warning in 2012

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.