Alert archive / Florida / Flash Flood Warnings in 2003

Flash Flood Warning 9, NWS Miami, FL

September 29, 2003Collier County, Florida

NWS Miami, FL issued this flash flood warning at Sep 29, 2003, 6:00 PM EDT for Collier County, Florida. It was in force for 3 hr. 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, 6:00 PM EDT (22:00 UTC)
Expired
Sep 29, 2003, 9:00 PM EDT
In force
3 hr
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Collier County, FL

The radar

The Miami radar (KAMX), 133 km from the middle of the area, began a volume at 21:59 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, 10.0 hours before the alert went out and 138 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 292201
FFWMIA
FLC021-300100-

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

THE NATIONAL WEATHER SERVICE IN MIAMI HAS EXTENDED THE

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

* UNTIL 900 PM EDT

* AT 549 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN CONTINUING TO TRACK ACROSS COLLIER COUNTY. RADAR AND 
SATELLITE ESTIMATES INDICATE THAT UP TO 7 INCHES OF RAIN HAS FALLEN 
OVER WESTERN PORTIONS OF THE COUNTY. 

ADDITIONAL VERY HEAVY RAIN WILL CONTINUE MOVING INLAND FROM THE GULF 
OF MEXICO THROUGH THE EVENING. RAINFALL RATES UP TO 2 INCHES PER 
HOUR ARE EXPECTED IN AND AROUND NAPLES. WATER LEVELS WILL CONTINUE 
TO RISE. FLOODING OF LOW LYING HOMES AND BUSINESSES IS LIKELY. TAKE 
THE NECESSARY ACTION TO PROTECT PROPERTY. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF ROAD FLOODING. AVOID DRIVING TONIGHT IF AT ALL POSSIBLE. 
DO NOT DRIVE YOUR VEHICLE THROUGH AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER MAY OBSCURE DEEP CANALS OR PONDS.

LAT...LON 2613 8191 2586 8155 2598 8127 2632 8153

$$

HANDEL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 29, 10:20 AM EDTFlash Flood WarningMFLCollier100 min
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, 6:50 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.