Alert archive / Florida / Flash Flood Warnings in 2007

Flash Flood Warning 6, NWS Miami, FL

September 10, 2007Miami-Dade County, Florida

NWS Miami, FL issued this flash flood warning at Sep 10, 2007, 3:19 PM EDT for Miami-Dade County, Florida. It was in force for 26 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 10, 2007, 3:19 PM EDT (19:19 UTC)
Expired
Sep 10, 2007, 3:45 PM EDT
In force
26 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text
Flood severity
None

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 38 km from the middle of the area, began a volume at 19:20 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, 7.3 hours before the alert went out and 56 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 2007-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2516 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 2007-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
2516 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
122 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 101920
FFWMFL
FLC086-101945-
/T.NEW.KMFL.FF.W.0006.070910T1919Z-070910T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
TEST...FLASH FLOOD WARNING...TEST
NATIONAL WEATHER SERVICE MIAMI FL
319 PM EDT MON SEP 10 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* THIS IS A TEST MESSAGE. FLASH FLOOD WARNING FOR...
  FAR WESTERN MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA

* UNTIL 345 PM EDT

* THIS IS A TEST MESSAGE. AT 316 PM EDT...NATIONAL WEATHER SERVICE
  DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE
  WARNED AREA.

* THIS IS A TEST MESSAGE. LOCATIONS IN THE WARNING INCLUDE BUT ARE
  NOT LIMITED TO SHARK VALLEY OBS TOWER

THIS IS A TEST MESSAGE. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER
DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY.
FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF
FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN
ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT
DROWN.

THIS IS A TEST MESSAGE. 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 305.229.4528 TO REPORT FLOODING.

THIS IS A TEST MESSAGE. DO NOT TAKE ACTION BASED ON THIS MESSAGE.

LAT...LON 2568 8087 2566 8068 2548 8068 2549 8085
TIME...MOT...LOC 1919Z 180DEG 0KT 2557 8076

$$

BAXTER
1 follow-up statement
000 
WGUS72 KMFL 101949
FFSMFL

TEST...FLASH FLOOD STATEMENT...TEST
NATIONAL WEATHER SERVICE MIAMI FL
348 PM EDT MON SEP 10 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

FLC086-101958-
/T.EXP.KMFL.FF.W.0006.000000T0000Z-070910T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIAMI-DADE FL-
348 PM EDT MON SEP 10 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

...THE FLASH FLOOD WARNING HAS EXPIRED FOR WEST CENTRAL MIAMI-DADE
COUNTY...

THIS IS A TEST MESSAGE. DO NOT TAKE ACTION BASED ON THIS MESSAGE.

LAT...LON 2568 8087 2566 8068 2548 8068 2549 8085
TIME...MOT...LOC 1919Z 180DEG 0KT 2557 8076

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 2:52 PM EDTFlash Flood WarningMFLCollier113 min
Sep 10, 3:44 PM EDTSpecial Marine WarningMFL46 min
Sep 10, 3:46 PM EDTSevere Thunderstorm WarningMFLGlades44 min

Nearby

Flash Flood Warnings in Florida, 2007Every flash flood warning in 2007

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.