Alert archive / Florida / Flash Flood Warnings in 1999
Flash Flood Warning 12, NWS Melbourne, FL
NWS Melbourne, FL issued this flash flood warning at Oct 16, 1999, 10:02 AM EDT for Volusia County, Florida. It was in force for 6 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
- Oct 16, 1999, 10:02 AM EDT (14:02 UTC)
- Expired
- Oct 16, 1999, 3:55 PM EDT
- In force
- 6 hr
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 14:03 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
Jacksonville, FL (KJAX), launched 12:00Z, 2.0 hours before the alert went out and 168 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.
- Mixed-layer CAPE
- 72 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 630 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMLB 161405 FFWMLB FLC127-161955- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 1002 AM EDT SAT OCT 16 1999 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * FLOOD WARNING FOR... VOLUSIA COUNTY IN EAST CENTRAL FLORIDA * UNTIL 355 PM EDT * AT 955 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER VOLUSIA COUNTY AND THE NEARSHORE WATERS. MOVEMENT WAS WEST AT 15 MPH.. * THE CIRCULATION ASSOCIATED WITH IRENE CONTINUES TO SPREAD TORRENTIAL RAINBANDS ACROSS VOLUSIA COUNTY. RADAR INDICATES RAINFALL RATES UP TO AN INCH AN HOUR WITH 4 TO 6 INCHES POSSIBLE THROUGH MID AFTERNOON. ALREADY SATURATED GROUND ACROSS VOLUSIA COUNTY FROM RAINFALL OVER THE LAST COUPLE DAYS COMBINED WITH THE ADDITIONAL RAIN WILL RESULT IN FLOODING OF ROADS AND MAY BRING WATER INTO HOUSES THAT HAVE POOR DRAINAGE. PB
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Melbourne, FL wrote its last area forecast discussion before this flash flood warning went out at Oct 16, 9:54 AM EDT, 8 minutes earlier.
Area forecast discussion, Oct 16, 9:54 AM EDT, 8 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 954 AM EDT SAT OCT 16 1999 CURRENTLY...IRENE CONTINUES TO MOVE SLOWLY NORTH NORTHEAST. SATELLITE SHOWS THAT CLOUD TOPS HAVE WARMED BUT NUMEROUS SQUALLS CONTINUE...ESPECIALLY OVER THE NORTHERN SEMI CIRCLE. THIS AFTERNOON...WITH SOME RESIDUAL STANDING WATER CONCERNS OVER MARTIN AND ST LUCIE COUNTIES AND SOME SHOWERS STILL WRAPPING AROUND THE SOUTH SIDE OF THE HURRICANE...PLAN TO LET THE FLOOD WATCH STAND THERE BUT INDICATE LOWERING RAIN CHANCES LATE. MAIN RAINBAND WILL STAY EAST OF LAKE COUNTY BUT DO NOT SEE THE NEED TO DROP JUST ONE COUNTY FROM THE FLOOD WATCH. ELSEWHERE...THE CURRENT FORECAST LOOKS GOOD AND ONLY MINOR WORDING CHANGES EXPECTED. MARINE...WILL ADJUST WIND DIRECTIONS SLIGHTLY AS THE TROPICAL CYCLONE LIFTS SLOWLY NORTH NORTHEAST. ALSO SEAS WILL BE BUMPED UP OVER THE NORTH LEG BASED ON BUOY REPORT SHOWING HEIGHTS SLIGHTLY OVER 20 FEET. .MLB...TROPICAL STORM WARNING AND SMALL CRAFT REMAIN IN PORT FLAGLER BEACH TO JUPITER INLET. WIND ADVISORY INTERIOR COUNTIES AND FLOOD WATCH ALL OF EAST CENTRAL FLORIDA TODAY. LASCODY
In the hours before
Special weather statement, Oct 16, 6:15 AM EDT, 3 hours 47 minutes before
AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-162000- EAST CENTRAL FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 615 AM EDT SAT OCT 16 1999 FOR DETAILED INFORMATION REGARDING WEATHER HAZARDS ASSOCIATED WITH HURRICANE IRENE AND THE EXPECTED IMPACTS TO EAST CENTRAL FLORIDA... PLEASE REFER TO THE LATEST HURRICANE LOCAL STATEMENT. TROUTMAN
Special weather statement, Oct 16, 6:15 AM EDT, 3 hours 47 minutes before
AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-162000- EAST CENTRAL FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 615 AM EDT SAT OCT 16 1999 FOR DETAILED INFORMATION REGARDING WEATHER HAZARDS ASSOCIATED WITH HURRICANE IRENE AND THE EXPECTED IMPACTS TO EAST CENTRAL FLORIDA... PLEASE REFER TO THE LATEST HURRICANE LOCAL STATEMENT. TROUTMAN
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 4:50 AM EDT | Flash Flood Warning | MLB | Indian River | 3 hr |
| Oct 16, 6:50 AM EDT | Flash Flood Warning | MLB | Brevard | 3 hr |
| Oct 16, 7:50 AM EDT | Flash Flood Warning | MLB | Indian River | 115 min |
| Oct 16, 9:50 AM EDT | Flash Flood Warning | MLB | Brevard | 3 hr |
Nearby
Flash Flood Warnings in Florida, 1999Every flash flood warning in 1999
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.