Alert archive / Florida / Flash Flood Warnings in 2015

Flash Flood Warning 20, NWS Mobile, AL

September 28, 2015Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Sep 28, 2015, 9:13 AM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 4 hr. 1 report 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
Sep 28, 2015, 9:13 AM CDT (14:13 UTC)
Expired
Sep 28, 2015, 1:15 PM CDT
In force
4 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 100 km from the middle of the area, began a volume at 14:14 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
Sep 28, 10:30 AM CDTFLASH FLOOD1 E Oriole Beach, FLTIGER POINT BLVD AT INDIA COVE CLOSED DUE TO FLOODING

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 2.2 hours before the alert went out and 256 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, Tallahassee Rgnl, FL at 12:00Z on 2015-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 173 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, Tallahassee Rgnl, FL at 12:00Z on 2015-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.193958Sfc1 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
173 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
627 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
119 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.

207 
WGUS54 KMOB 281413
FFWMOB
FLC091-113-281815-
/O.NEW.KMOB.FF.W.0020.150928T1413Z-150928T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
913 AM CDT MON SEP 28 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN SANTA ROSA COUNTY IN NORTHWESTERN FLORIDA...
  WESTERN OKALOOSA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 115 PM CDT

* AT 909 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE 
  MONITORING SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL 
  OVER THE WARNED AREA. RADAR ESTIMATES INDICATE 2 TO 4 INCHES OF 
  RAIN HAS FALLEN OVER THE WARNED AREA...WITH ISOLATED AMOUNTS OVER 
  5 INCHES. EXCESSIVE RUNOFF FROM THE VERY HEAVY RAINS WILL LIKELY 
  CAUSE FLASH FLOODING.

* LOCATIONS IMPACTED INCLUDE...
  MILTON...              SPRINGHILL...
  BAGDAD...              BAKER...               MIDWAY...
  NAVARRE...             PEA RIDGE...           TIGER POINT...
  WHITING FIELD...       WOODLAWN BEACH...      ROEVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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!

IF YOU ARE IN DANGER FROM THE FLOOD WATERS AND NEED RESCUE ASSISTANCE
CALL 911.  TO REPORT FLOODING TO THE NATIONAL WEATHER SERVICE CALL
(800) 284-9059.

&&

LAT...LON 3047 8706 3040 8707 3045 8694 3044 8688
      3050 8701 3048 8706 3052 8699 3055 8702
      3057 8698 3060 8700 3055 8714 3073 8714
      3099 8677 3099 8651 3065 8662 3041 8675
      3036 8713 3037 8713

$$

LINDSEY
2 follow-up statements
023 
WGUS74 KMOB 281606
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1106 AM CDT MON SEP 28 2015

FLC091-113-281815-
/O.CON.KMOB.FF.W.0020.000000T0000Z-150928T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA ROSA FL-OKALOOSA FL-
1106 AM CDT MON SEP 28 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
EASTERN SANTA ROSA AND WESTERN OKALOOSA COUNTIES...

AT 1030 AM CDT...LAW ENFORCEMENT REPORTED ROAD CLOSURES DUE TO FLASH 
FLOODING AT TIGER POINT BLVD AND INDIA COVE 1 MILE EAST OF ORIOLE 
BEACH...AND ON INDIANA STREET IN NAVARRE BEACH.

AT 1104 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER 
MUCH OF THE WARNED AREA. RADAR ESTIMATES AND RAIN GAUGE REPORTS 
INDICATE THAT 4 TO 8 INCHES OF RAIN HAS FALLEN IN THE WARNED AREA. 
EXCESSIVE RUNOFF FROM HEAVY RAINS WILL RESULT IN CONTINUED FLASH 
FLOODING. 
 
LOCATIONS IMPACTED INCLUDE... 
MILTON...       BAGDAD...          BAKER...
MIDWAY...       NAVARRE...         PEA RIDGE...
TIGER POINT...  WHITING FIELD...   WOODLAWN BEACH... 
ROEVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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!

IF YOU ARE IN DANGER FROM THE FLOOD WATERS AND NEED RESCUE ASSISTANCE
CALL 911.  TO REPORT FLOODING TO THE NATIONAL WEATHER SERVICE CALL
(800) 284-9059.

&&

LAT...LON 3047 8706 3040 8707 3045 8694 3044 8688
      3050 8701 3048 8706 3052 8699 3055 8702
      3057 8698 3060 8700 3055 8714 3073 8714
      3099 8677 3099 8651 3065 8662 3041 8675
      3036 8713 3037 8713

$$
474 
WGUS74 KMOB 281725
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1225 PM CDT MON SEP 28 2015

FLC091-113-281815-
/O.CON.KMOB.FF.W.0020.000000T0000Z-150928T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA ROSA FL-OKALOOSA FL-
1225 PM CDT MON SEP 28 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
EASTERN SANTA ROSA AND WESTERN OKALOOSA COUNTIES...

AT 1223 PM CDT...WEATHER OBSERVATIONS IN AND AROUND NAVARRE 
INDICATED 11.47 INCHES OF RAIN HAVE FALLEN SINCE THE RAIN STARTED TO 
FALL.  DOPPLER RADAR INDICATES 7 TO 10 INCHES OF RAIN HAVE FALLEN 
ACROSS SOUTHERN SANTA ROSA COUNTY...EXTENDING SOUTH ACROSS THE 
BARRIER ISLAND AND INTO THE NEARSHORE WATERS OF THE GULF OF MEXICO.  
CONTINUED HEAVY RAINFALL MOVING ONSHORE FROM THE GULF OF MEXICO WILL 
LIKELY PRODUCE RAINFALL RATES BETWEEN 3 AND 4 INCHES IN AN HOURS 
TIME...AND ENHANCE ANY ONGOING PROBLEMS WITH FLASH FLOODING ACROSS 
THE REGION.

OUTSIDE OF THIS AREA...DOPPLER RADAR AND RAIN GAUGE REPORTS SHOWS 4 
TO 8 INCHES OF RAIN HAVE FALLEN  EXTENDING FROM LAUREL HILL... 
SOUTHWEST TOWARD MILTON.  EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL 
RESULT IN CONTINUED AREAS OF FLASH FLOODING IN THESE AREAS AS WELL.

LOCATIONS IMPACTED INCLUDE... MILTON... BAGDAD... BAKER... MIDWAY... 
NAVARRE... TIGER POINT... WHITING FIELD... WOODLAWN BEACH... 
ROEVILLE...          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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!

IF YOU ARE IN DANGER FROM THE FLOOD WATERS AND NEED RESCUE ASSISTANCE
CALL 911.  TO REPORT FLOODING TO THE NATIONAL WEATHER SERVICE CALL
(800) 284-9059.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN 
MOBILE.

&&

LAT...LON 3047 8706 3040 8707 3045 8694 3044 8688
      3050 8701 3048 8706 3052 8699 3055 8702
      3057 8698 3060 8700 3055 8714 3081 8702
      3099 8677 3099 8651 3065 8662 3041 8675
      3036 8713 3037 8713

$$

BUTTS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 3:43 AM CDTFlash Flood WatchMOBEscambia, Okaloosa, Santa Rosa18 hr
Sep 28, 4:40 AM CDTSpecial Weather StatementMOBEscambia, Santa Rosa65 min
Sep 28, 5:55 AM CDTAreal Flood AdvisoryMOBEscambia, Santa Rosa3 hr
Sep 28, 6:20 AM CDTAreal Flood AdvisoryMOBEscambia, Santa Rosa3 hr
Sep 28, 7:13 AM CDTFlash Flood WarningMOBEscambia, Santa Rosa6 hr
Sep 28, 8:51 AM CDTSpecial Weather StatementMOBSanta Rosa54 min
Sep 28, 10:14 AM CDTSpecial Weather StatementMOBOkaloosa61 min
Sep 28, 11:20 AM CDTSpecial Weather StatementMOBOkaloosa55 min
Sep 28, 1:15 PM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa6 hr
Sep 28, 2:38 PM CDTSpecial Weather StatementMOBOkaloosa52 min

Nearby

Flash Flood Warnings in Florida, 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.