Alert archive / Florida / Flash Flood Warnings in 1998
Flash Flood Warning 4, NWS Melbourne, FL
NWS Melbourne, FL issued this flash flood warning at Sep 25, 1998, 8:05 AM EDT for Martin County, Saint Lucie County, Florida. It was in force for 115 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, 1998, 8:05 AM EDT (12:05 UTC)
- Expired
- Sep 25, 1998, 10:00 AM EDT
- In force
- 115 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
Counties Martin County, FL, Saint Lucie County, FL
The radar
The Melbourne radar (KMLB), 101 km from the middle of the area, began a volume at 11:54 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, 0.1 hours before the alert went out and 138 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
- 2959 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 632 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 89 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 251207 FFWMLB FLC085-111-251400- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 805 AM EDT FRI SEP 25 1998 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * FLOOD WARNING FOR... ST. LUCIE COUNTY IN EAST CENTRAL FLORIDA MARTIN COUNTY IN EAST CENTRAL FLORIDA * UNTIL 1000 AM EDT * AT 800 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN FROM OFFSHORE NORTH PALM BEACH TO JUPITER...HOBE SOUND AND STUART...AND EXTENDING INTO NORTHWEST OKEECHOBE COUNTY. MOVEMENT WAS NORTHWEST AT 20 MPH. * DOPPLER RADAR INDICATES BETWEEN ONE AND TWO INCHES HAS ALREADY FALLEN ACROSS THIS AREA...WITH ANOTHER TWO OR MORE INCHES POSSIBLE. REPORTS OF FLOODING OF ROADS AND ONE HOME HAVE BEEN RECEIVED FROM PORT SALERNO AND STUART. THE HEAVY RAINFALL AND REPATED 'TRAINING'...OR MOVEMENT OF STORM AFTER STORM ACROSS THE SAME AREA...WILL LIKELY RESULT IN ADDITIONAL FLjOODING OF ROADS AND LOW- LYING AREAS. & CRISTALDI
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 6:10 AM EDT | Tornado Warning | MLB | Martin | 30 min |
| Sep 25, 6:43 AM EDT | Tornado Warning | MLB | Saint Lucie | 62 min |
| Sep 25, 7:23 AM EDT | Tornado Warning | MLB | Okeechobee | 62 min |
| Sep 25, 7:29 AM EDT | Tornado Warning | MLB | Martin | 61 min |
| Sep 25, 10:08 AM EDT | Tornado Warning | MLB | Saint Lucie | 67 min |
| Sep 25, 10:34 AM EDT | Tornado Warning | MLB | Indian River | 66 min |
| Sep 25, 11:34 AM EDT | Tornado Warning | MLB | Indian River | 56 min |
| Sep 25, 12:16 PM EDT | Tornado Warning | MLB | Brevard | 59 min |
| Sep 25, 12:23 PM EDT | Tornado Warning | MLB | Osceola | 57 min |
| Sep 25, 1:15 PM EDT | Tornado Warning | MLB | Brevard | 65 min |
| Sep 25, 1:27 PM EDT | Tornado Warning | MLB | Osceola | 58 min |
Nearby
Flash Flood Warnings in Florida, 1998Every flash flood warning in 1998
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.