Alert archive / Florida / Flash Flood Warnings in 1999
Flash Flood Warning 3, NWS Melbourne, FL
NWS Melbourne, FL issued this flash flood warning at Sep 25, 1999, 8:28 PM EDT for Brevard County, Florida. It was in force for 117 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 25, 1999, 8:28 PM EDT (00:28 UTC)
- Expired
- Sep 25, 1999, 10:25 PM EDT
- In force
- 117 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Brevard County, FL
The radar
The Melbourne radar (KMLB), 21 km from the middle of the area, began a volume at 00:28 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
Tampa Bay, FL (KTBW), launched 00:00Z, 0.5 hours before the alert went out and 180 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
- 552 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMLB 260032 FFWMLB FLC009-260225- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 828 PM EDT SAT SEP 25 1999 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * FLOOD WARNING FOR... BREVARD COUNTY IN EAST CENTRAL FLORIDA * UNTIL 1025 PM EDT * AT 825 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN NEAR MELBOURNE. MOVEMENT WAS NORTH AT 15 MPH. * THE AREA IN AND AROUND MELBOURNE AND PALM BAY CONTINUES TO RECEIVE HEAVY RAIN. THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS RECEIVED NEARLY ONE AND A HALF INCHES OF RAIN SINCE 8PM. THE RAIN WAS FALLING AT A VERY EXCESSIVE RATE. IF THE RAINFALL CONTINUES...IT WILL LIKELY BEGIN TO CAUSE PROBLEMS TO STRUCTURES NEAR FLOOD PRONE LOCATIONS. DRIVING HAS BECOME HAZARDOUS. MORE RAIN IS LIKELY FOR BREVARD COUNTY THROUGH 1030 PM. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. DO NOTD DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. SHARP &
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 Sep 25, 2:00 PM EDT, 6 hours 28 minutes earlier.
Area forecast discussion, Sep 25, 2:00 PM EDT, 6 hours 28 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 200 PM EDT SAT SEP 25 1999 TONIGHT...WILL HAVE CHANCE POPS OVER THE ENTIRE AREA FOR RESIDUAL SHOWERS THIS EVENING...AND NOT PLANNING ON THE LIKELY NUMBERS THAT MODELS ADVERTISE. WILL KEEP CHANCE POPS OVERNIGHT FOR SOUTHERN COASTAL SECTIONS AS THERE SHOULD BE ENOUGH EASTERLY COMPONENT TO BRING THE NOCTURNAL ATLANTIC ACTIVITY ONSHORE. SUN AND MON...TREND OF PREVIOUS MODEL RUNS CONTINUES WITH TROUGH IN THE EAST BEING REPLACED BY A RIDGE. BROADENING TROUGH OVER THE PLAINS WILL HOLD THE ATLANTIC RIDGE TO ALONG THE EASTERN SEABOARD AND PROVIDE A DEEP FLOW OF TROPICAL AIR ACROSS THE AREA. THOUGH THE MAIN MOISTURE PLUME MAY PUSH WEST OF THE AREA BY MONDAY...THERE SHOULD STILL BE ABUNDANT MOISTURE AND GOOD CHANCE/LIKELY POPS. ETA CONTINUES TO LOWER PRESSURES THE MOST OVER THE YUCATAN AND HENCE THE LOW LEVEL WINDS ARE TOO STRONG...THOUGH THE NGM/AVN ARE INDICATING 20 KNOT WINDS STARTING LATE TONIGHT AND CONTINUING THROUGH SUNDAY NIGHT. GRADIENT WILL BE INCREASING REGARDLESS OF WHAT OCCURS TO OUR SOUTH SINCE RIDGE TO OUR NORTH IS BEING REINFORCED AND PRESSURES WILL BE RISING. THEREFORE WILL GO WITH BREEZY CONDITIONS SUNDAY FOR THE COASTAL COUNTIES FROM BREVARD SOUTH. MAY REMAIN BREEZY MONDAY DEPENDING ON THE EVOLUTION OF LOW PRESSURE VICINITY OF THE YUCATAN. TUE THROUGH THU...BROAD TROUGH FORECAST OVER MUCH OF THE COUNTRY TO OUR NORTH WITH DEEP LAYER RIDGE AXIS SETTING UP ACROSS THE NORTHERN PENINSULA. THIS SHOULD SWITCH SOUTHERN SECTIONS TO AN EASTERLY FLOW REGIME. AFTER SOME DECREASE IN DEEP MOISTURE TUE...WHICH MODELS HAVE BEEN ADVERTISING FOR SEVERAL RUNS...WOULD EXPECT THAT FRONT MOVING INTO THE SOUTHEAST WILL DRAW DEEPER MOISTURE BACK BY THURSDAY. MARINE...RATIONALE FOLLOWED ABOVE WILL LEAD TO AN INCREASE OF WINDS FROM SOUTH TO NORTH TONIGHT AND SUNDAY. CURRENT FORECAST LOOKS GOOD AND WILL GO WITH 20 KNOT WINDS FOR SUNDAY NIGHT ACROSS ALL OF THE WATERS. PRELIMINARY NUMBERS... DAB TT 073/085 074/086 074 4736 MCO TT 073/086 074/088 073 4736 MLB TT 075/086 075/087 074 4746 .MLB...NONE. LASCODY
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 10:25 PM EDT | Flash Flood Warning | MLB | Brevard | 2 hr |
| Sep 26, 12:14 AM EDT | Flash Flood Warning | MLB | Brevard | 106 min |
| Sep 26, 2:51 PM EDT | Flash Flood Warning | MLB | Brevard | 2 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.