Alert archive / Florida / Flash Flood Warnings in 2002

Flash Flood Warning 2, NWS Melbourne, FL

August 11, 2002Indian River County, Florida

NWS Melbourne, FL issued this flash flood warning at Aug 11, 2002, 1:59 PM EDT for Indian River 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
Aug 11, 2002, 1:59 PM EDT (17:59 UTC)
Expired
Aug 11, 2002, 5:00 PM EDT
In force
3 hr
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Indian River County, FL

The radar

The Melbourne radar (KMLB), 55 km from the middle of the area, began a volume at 17:59 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 6.0 hours before the alert went out and 73 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 2002-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1449 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 2002-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
1449 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
63 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 KMLB 111759
FFWMLB
FLC061-112100-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
156 PM EDT SUN AUG 11 2002

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* FLOOD WARNING FOR...
  EASTERN INDIAN RIVER COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 500 PM EDT

* AT 155 PM EDT...AMATEUR RADIO WEATHER SPOTTERS REPORTED NUMEROUS   
  LOCATIONS WITH STANDING WATER FROM VERO BEACH...SOUTH TO THE SAINT 
  LUCIE COUNTY LINE. 

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE TO MOVE ASHORE 
  ALONG THE TREASURE COAST FROM SEBASTIAN INLET SOUTH TO THE SAINT   
  LUCIE COUNTY LINE THROUGH 4 PM. ADDITIONAL RAIN TOTALS OF 2 TO 3   
  INCHES WILL BE POSSIBLE WITH THESE STORMS. 

EXCESSIVE RUNOFF WILL CAUSE FLOODING AND DANGEROUS STANDING WATER 
CONDITIONS ALONG URBAN AREAS...HIGHWAYS AND STREETS AS WELL AS OTHER 
DRAINAGE AREAS AND LOW LYING SPOTS.

A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING. IF YOU ARE IN THE 
WARNING AREA AND ARE THREATENED...MOVE TO HIGHER GROUND IMMEDIATELY. 
RESIDENTS LIVING ALONG CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO 
PROTECT PROPERTY. 

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.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MELBOURNE.

LAT...LON 2767 8051 2755 8037 2814 7955 2840 7984

$$

JP

Nearby

Flash Flood Warnings in Florida, 2002Every flash flood warning in 2002

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.