Alert archive / Florida / Flash Flood Warnings in 1997

Flash Flood Warning 7, NWS Melbourne, FL

December 27, 1997Osceola County, Florida

NWS Melbourne, FL issued this flash flood warning at Dec 27, 1997, 3:38 PM EST for Osceola County, Florida. It was in force for 12 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
Dec 27, 1997, 3:38 PM EST (20:38 UTC)
Expired
Dec 28, 1997, 3:30 AM EST
In force
12 hr
Issued by
NWS Melbourne, FL
Area
Whole counties

County Osceola County, FL

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.6 hours before the alert went out and 78 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, Cape Canaveral, FL at 12:00Z on 1997-12-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1357 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, Cape Canaveral, FL at 12:00Z on 1997-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 square meters per square second.1939587897Sfc1 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
1357 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
299 m²/s²
Significant tornado parameter
1.9
Supercell composite
8.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMLB 272040
FFWMLB
FLC097-280805-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
338 PM EST SAT DEC 27 1997

THE NATIONAL WEATHER SERVICE IN MELBOURNE FL HAS EXTENDED THE
FLOOD WARNING UNTIL 330 AM EST FOR PEOPLE IN THE FOLLOWING
LOCATION...

IN EAST CENTRAL FLORIDA

   ...NORTHWESTERN OSCEOLA COUNTY
 
AT 330 PM...DOPPLER RADAR SHOWED THE LEADING OF DRIER AIR ABOUT TO
ENTER NORTHWEST OSCEOLA COUNTY...THUS RAINFALL WILL BE ENDING ACROSS
THIS AREA BY AROUND 500 PM. WEATHER SPOTTERS IN THE KISSIMMEE/ST
CLOUD AREA HAVE REPORTED RAINFALL TOTALS OF NEARLY 5 INCHES SINCE
THE RAIN BEGAN LAST NIGHT. THIS IS ON TOP OF THE EXCESSIVE RAINFALL
WHICH HAS OCCURRED DURING THE LAST TWO WEEKS.

MANY ROADS IN OSCEOLA COUNTY REMAIN FLOODED. OSCEOLA COUNTY
FIRE/RESCUE HAS LISTED THE FOLLOWING ROADS IN THE ST CLOUD AREA
AS BEING CLOSED:

          ...5TH STREET AT KISSIMMEE PARK ROAD
          ...1000 BLOCK OF LOUISIANA AND GEORGIA AVE
          ...GEORGIA AVE AND LAKESHORE BLVD AT 3RD STREET
          ...ACCESS TO PINE LAKE ESTATES FROM 17TH AVE
          ...100 BLOCK OF LOUISIANA AND MONTANA AVE

THERE HAVE BEEN UNOFFICIAL REPORTS THAT FLOODING IN ALSO OCCURRING
ALONG THE OSCEOLA PARKWAY BETWEEN THE FLORIDA TURNPIKE AND LANDSTAR
BOULEVARD.

IN ADDITION...WATER WAS ENTERING SOME HOMES ON CORAL REEF LANE...
SUBDIVISONS WHICH FLOODED EARLIER THIS MONTH...SUCH AS THE JADE
ISLAND MOBILE HOME PARK...WILL REMAIN INUNDATED. ALTHOUGH THE
RAINFALL WILL BE ENDING THIS EVENING...STANDING WATER WILL CONTINUE
TO BE A PROBLEM IN THE NORTHWEST PART OF OSCEOLA COUNTY INTO THE
EARLY PART OF NEXT WEEK.
 
PLEASE RELAY ANY ADDITIONAL REPORTS OF FLOODING IN OSCEOLA COUNTY TO
THE NATIONAL WEATHER SERVICE OFFICE IN MELBOURNE OR TO OSCEOLA
COUNTY EMERGENCY MANAGEMENT AGENCIES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE
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. NEVER TRY TO CROSS A
FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.


CRISTALDI

&

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 27, 4:45 AM ESTTornado WarningMLBOsceola55 min
Dec 27, 12:42 PM ESTFlash Flood WarningMLBOsceola3 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.