Alert archive / Florida / Flash Flood Warnings in 2017

Flash Flood Warning 22, NWS Mobile, AL

June 6, 2017Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Jun 6, 2017, 8:20 PM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 6 hr. 9 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 6, 2017, 8:20 PM CDT (01:20 UTC)
Expired
Jun 7, 2017, 2:15 AM CDT
In force
6 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 110 km from the middle of the area, began a volume at 01:21 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 6, 9:20 PM CDTFLASH FLOOD5 Wnw Milton, FLWATER OVER THE ROAD ALONG AND ON ANDERSON RD NEAR BERRYHILL RD IN MILTON.
Jun 6, 10:30 PM CDTFLASH FLOOD1 Ene Pace, FLPARTS OF HWY 90 AND WEST SPENCER FIELD ROAD ARE BARRICADED OFF DUE TO WATER OVER THE ROADWAY.
Jun 6, 10:30 PM CDTFLASH FLOOD2 Wnw Bagdad, FLVEHICLE STALLED ON HWY 90 AND GLOVER LN DUE TO WATER ON ROADWAY.
Jun 6, 10:40 PM CDTFLASH FLOODSe Pace, FLPACE FIRE RESCUE DISPATCHED TO RESIDENT REPORTING FLOODING CONDITIONS ON SHERDIAN DR. VIA SOCIAL MEDIA
Jun 6, 10:40 PM CDTHEAVY RAIN 7.484 Ne Pace, FLOVER 7.48 INCHES OF RAINFALL MEASURED AT BERRYHILL ELEMENTARY VIA WEATHER BUG MESONET.
Jun 6, 11:00 PM CDTFLASH FLOOD1 E Avalon Beach, FLEASTBOUND ENTRANCE AND EXIT RAMPS OF I-10 TEMPORARILY CLOSED OVERNIGHT DUE TO WATER OVER THE ROADWAY AT EXIT 22 AND AVALON BLVD. PICTURES VIA SOCIAL MEDIA.
Jun 6, 11:00 PM CDTFLASH FLOODPace, FLAPPROXIMATELY 1-4 INCHES OF WATER ENTERED 12 HOUSES IN THE PACE, FL AREA OVERNIGHT. THESE HOUSES WERE LOCATED IN EAST TIBURON ESTATES OF PACE PATRIOT BLVD, SHERIDAN ST, AND BARCLAY DR. NUMEROUS OTHER ROADS AND BRIDGES WERE CLOSED DUE TO RUSHING WATER OVER THE
Jun 6, 11:35 PM CDTFLASH FLOOD1 E Avalon Beach, FLWATER ACCROSS THE ROAD AT EXIT 281 OFF I-10 ON AVALON BLVD. PICTURE VIA SOCIAL MEDIA.
Jun 7, 12:00 AM CDTHEAVY RAIN 10.031 Nw Milton, FLRECORDED 10.03 INCHES OF TOTAL RAINFALL FROM CWOP MESONET SITE. RAIN STILL ONGOING.

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 00:00Z, 1.3 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, Slidell Radar S, LA at 00:00Z on 2017-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 418 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 00:00Z on 2017-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
418 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
704 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

442 
WGUS54 KMOB 070120
FFWMOB
FLC033-113-070715-
/O.NEW.KMOB.FF.W.0022.170607T0120Z-170607T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
820 PM CDT TUE JUN 6 2017

The National Weather Service in Mobile has issued a

* Flash Flood Warning for...
  Central Santa Rosa County in northwestern Florida...
  Central Escambia County in northwestern Florida...

* Until 215 AM CDT

* At 819 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to three inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Pensacola, Ferry Pass, Pace, Milton, Bagdad, Pea Ridge, Roeville,
  Floridatown and Point Baker.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3073 8693 3052 8695 3050 8725 3073 8726

$$
1 follow-up statement
387 
WGUS74 KMOB 070334
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
1034 PM CDT TUE JUN 6 2017

FLC033-113-070715-
/O.CON.KMOB.FF.W.0022.000000T0000Z-170607T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Santa Rosa FL-Escambia FL-
1034 PM CDT TUE JUN 6 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR
CENTRAL SANTA ROSA AND CENTRAL ESCAMBIA COUNTIES...

At 1032 PM CDT, local law enforcement reported heavy rain due to a 
thunderstorm over central Santa Rosa County. 5 inches of rain have 
fallen, with local emergency management already reporting closed 
roads along with homes and businesses flooding.

Some locations that will experience flooding include...
Pensacola, Ferry Pass, Pace, Milton, Bagdad, Pea Ridge, Roeville,
Floridatown and Point Baker.

Additional rainfall amounts of up to 2 inches 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 3073 8693 3052 8695 3050 8725 3073 8726

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 8:21 PM CDTAreal Flood AdvisoryMOBEscambia, Santa Rosa3 hr
Jun 6, 8:44 PM CDTFlash Flood WarningMOBEscambia, Santa Rosa6 hr
Jun 7, 12:20 AM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa6 hr
Jun 7, 2:07 AM CDTAreal Flood WarningMOBEscambia, Santa Rosa3 hr
Jun 7, 6:15 AM CDTAreal Flood WarningMOBSanta Rosa6 hr

Nearby

Flash Flood Warnings in Florida, 2017Every flash flood warning in 2017

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.