Alert archive / Florida / Flash Flood Warnings in 2003

Flash Flood Warning 6, NWS Miami, FL

September 29, 2003Collier County, Florida

NWS Miami, FL issued this flash flood warning at Sep 29, 2003, 10:20 AM EDT for Collier County, Florida. It was in force for 100 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 29, 2003, 10:20 AM EDT (14:20 UTC)
Expired
Sep 29, 2003, 12:00 PM EDT
In force
100 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Collier County, FL

The radar

The Miami radar (KAMX), 145 km from the middle of the area, began a volume at 14:21 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.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 2.3 hours before the alert went out and 148 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, Miami, FL at 12:00Z on 2003-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 355 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, Miami, FL at 12:00Z on 2003-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
355 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
880 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
71 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.

000 
WGUS52 KMFL 291418
FFWMIA
FLC021-291600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1020 AM EDT MON SEP 29 2003

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL COLLIER COUNTY IN SOUTHWEST FLORIDA

* UNTIL NOON EDT

* AT 1005 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
3 TO 5 INCHES OF RAIN HAS FALLEN OVER THE LAST COUPLE OF HOURS IN 
THE EAST NAPLES AND GOLDEN GATE AREAS OF WESTERN COLLIER COUNTY. 

LAW ENFORCEMENT OFFICE HAS ALSO INDICATED THAT GOLDEN GATE PARKWAY 
...SANTA BARBARA BLVD...AND HORSESHOE DRIVE WERE CLOSED DUE TO 
STANDING WATER. SOME HOMES WHERE ALSO STARTING TO SEE STANDING WATER 
IN BACKYARDS IN THE GOLDEN GATE REGION.

SHOWERS AND POSSIBILITY OF A THUNDERSTORM SHOULD CONTINUE TO MOVE 
FROM THE GULF OF MEXICO NORTHWARD OVER WESTERN COLLIER COUNTY 
THROUGH NOON. ADDITIONAL RAINFALL AMOUNTS BETWEEN 3 TO 5 INCHES MAY 
OCCUR FROM THESE SHOWERS AND THUNDERSTORMS. 

DO NOT DRIVE YOUR VEHICLE THROUGH AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER MAY OBSCURE DEEP CANALS OR PONDS.

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU
ARE IN THE WARNING AREA MOVE TO A SAFER LOCATION IMMEDIATELY.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN ALSO CALL THE
NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT 305 229 4522 TO REPORT
FLOODING.

LAT...LON 2629 8169 2602 8160 2601 8177 2626 8184

$$

BAXTER

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 29, 10:43 AM EDTSpecial Marine WarningMFL62 min
Sep 29, 11:40 AM EDTSpecial Marine WarningMFL65 min
Sep 29, 11:53 AM EDTFlash Flood WarningMFLCollier3 hr
Sep 29, 3:00 PM EDTFlash Flood WarningMFLCollier3 hr
Sep 29, 4:33 PM EDTSpecial Marine WarningMFL117 min
Sep 29, 4:54 PM EDTSevere Thunderstorm WarningMFLMiami-Dade36 min
Sep 29, 4:56 PM EDTSevere Thunderstorm WarningMFLMiami-Dade34 min
Sep 29, 5:09 PM EDTSevere Thunderstorm WarningMFLBroward36 min
Sep 29, 6:00 PM EDTFlash Flood WarningMFLCollier3 hr
Sep 29, 6:50 PM EDTSpecial Marine WarningMFL85 min
Sep 29, 7:07 PM EDTSpecial Marine WarningMFL38 min

Nearby

Flash Flood Warnings in Florida, 2003Every flash flood warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.