Alert archive / Florida / Flash Flood Warnings in 1997

Flash Flood Warning 7, NWS Miami, FL

June 9, 1997Miami-Dade County, Florida

NWS Miami, FL issued this flash flood warning at Jun 9, 1997, 10:17 PM EDT for Miami-Dade County, Florida. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 9, 1997, 10:17 PM EDT (02:17 UTC)
Expired
Jun 10, 1997, 2:15 AM EDT
In force
4 hr
Issued by
NWS Miami, FL
Area
Whole counties

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 9 km from the middle of the area, began a volume at 02:16 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 00:00Z, 2.3 hours before the alert went out and 31 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 00:00Z on 1997-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1997-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
210 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 
TTAA00 KMIA 100219
FFWMIA
FLC025-100615-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1017 PM EDT MON JUN 9 1997
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  215 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST FLORIDA
 
   ...DADE COUNTY
 
AS OF 10 PM DOPPLER RADAR INDICATED MODERATE TO HEAVY RAINS CONTINUED
OVER MUCH OF DADE COUNTY AND HAD NOW MOVED INTO EASTERN BROWARD
COUNTY.  REPORTS OF FLOODING AND STANDING WATER HAVE BEEN RECEIVED
DURING THE PAST HOUR OR SO FROM VARIOUS SECTIONS OF THE DADE
METRO AREA MAINLY FROM THE SOUTH HALF OF THE COUNTY.  DUE TO
PRESENT RADAR INDICATIONS OF THE TIMING AND EXTENT OF HEAVY
RAINFALL THE FLOOD WARNING HAS BEEN EXTENDED TO INCLUDE ALL OF
DADE COUNTY UNTIL 2 AM EDT.  ONE TO TWO INCH RAINS ARE STILL
LIKELY OVER THE AREA FOR THE NEXT COUPLE OF HOURS.
 
RESIDENTS IN METROPOLITAN BROWARD COUNTY SHOULD ALSO BE ALERT
FOR INCREASING HEAVY RAINS AND SOME FLOODING POSSIBLY DEVELOPING
DURING THE NEXT FEW HOURS.  THE NATIONAL WEATHER SERVICE IS CLOSELY
MONITORING THE SITUATION AND WILL ISSUE ADDITIONAL STATEMENTS AND/
OR POSSIBLE WARNINGS AS THE SITUATION REQUIRES.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  DO NOT DRIVE INTO AREAS
OF PONDING WATER ON UNKNOWN DEPTH.  IF FLASH FLOODING IS OBSERVED,
ACT QUICKLY.  MOVE UP OR TO HIGHER GROUND TO ESCAPE FLOOD WATERS.
DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 8:59 PM EDTFlash Flood WarningMFLMiami-Dade2 hr
Jun 10, 2:15 AM EDTFlash Flood WarningMFLMiami-Dade6 hr

Nearby

Flash Flood Warnings in Florida, 1997Every flash flood warning in 1997

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.