Alert archive / Florida / Flash Flood Warnings in 1999
Flash Flood Warning 9, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Oct 15, 1999, 10:29 AM EDT for Miami-Dade County, Monroe County, Florida. It was in force for 116 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
- Oct 15, 1999, 10:29 AM EDT (14:29 UTC)
- Expired
- Oct 15, 1999, 12:25 PM EDT
- In force
- 116 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
Counties Miami-Dade County, FL, Monroe County, FL
The radar
The Miami radar (KAMX), 30 km from the middle of the area, began a volume at 14:31 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
Miami, FL (KMFL), launched 12:00Z, 2.5 hours before the alert went out and 49 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
- 13 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 214 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Oct 15, 6:00 AM EDT, 4 hours 29 minutes before
FLZ063-066>075-152200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 600 AM EDT FRI OCT 15 1999 WIDESPREAD RAIN WITH ISOLATED EMBEDDED THUNDERSTORMS WILL COVER SOUTH FLORIDA TODAY. SOME RAINS WILL BE LOCALLY HEAVY WITH A FLOOD WATCH POSTED FOR TODAY THROUGH SATURDAY WHERE AMOUNTS WILL ACCUMULATE FROM 10 TO 20 INCHES. RAINS FALLING ON ALREADY SATURATED GROUND WILL RESULT IN POSSIBLE FLOODING ESPECIALLY IN LOW LYING AREAS. RIP CURRENTS ARE LIKELY TODAY ALONG THE ATLANTIC AND GULF BEACHES. SWIMMERS ARE ADVISED TO SWIM AT GUARDED BEACHES FOR THEIR SAFETY. TODAY, HURRICANE IRENE IS FORECAST TO MOVE NORTH OF KEY WEST AND OVER THE EXTREME SOUTHEASTERN GULF OF MEXICO AND EVENTUALLY MAKE LANDFALL NEAR FT MEYERS. HURRICANE WARNINGS HAVE BEEN POSTED FOR SOUTHWEST COASTAL AREAS FROM THE FLORIDA KEYS NORTH TO ANCELOTE KEY. AS IRENE MOVES NORTHWARD...THE PRESSURE GRADIENT ACROSS SOUTH FLORIDA WILL INCREASE. THIS MEANS INCREASINGLY STRONG AND GUSTY NORTHEAST TO EAST WINDS...INCREASING SHOWER AND THUNDERSTORM ACTIVITY...AND RIP CURRENTS CONTINUING ALONG THE BEACHES. ISOLATED TORNADOES OR WATERSPOUTS ARE POSSIBLE IN THE OUTER BANDS AROUND IRENE. COASTAL FLOODING WILL BE PROBLEM IN LOW LYING AREAS ALONG THE SOUTHWEST COAST WITH TIDES RUNNING MUCH ABOVE NORMAL. RESIDENTS OF FLORIDA ARE URGED TO KEEP UP WITH THE LATEST ADVISORIES FROM THE NATIONAL HURRICANE CENTER CONCERNING IRENE.
Special weather statement, Oct 15, 6:00 AM EDT, 4 hours 29 minutes before
FLZ063-066>075-152200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 600 AM EDT FRI OCT 15 1999 WIDESPREAD RAIN WITH ISOLATED EMBEDDED THUNDERSTORMS WILL COVER SOUTH FLORIDA TODAY. SOME RAINS WILL BE LOCALLY HEAVY WITH A FLOOD WATCH POSTED FOR TODAY THROUGH SATURDAY WHERE AMOUNTS WILL ACCUMULATE FROM 10 TO 20 INCHES. RAINS FALLING ON ALREADY SATURATED GROUND WILL RESULT IN POSSIBLE FLOODING ESPECIALLY IN LOW LYING AREAS. RIP CURRENTS ARE LIKELY TODAY ALONG THE ATLANTIC AND GULF BEACHES. SWIMMERS ARE ADVISED TO SWIM AT GUARDED BEACHES FOR THEIR SAFETY. TODAY, HURRICANE IRENE IS FORECAST TO MOVE NORTH OF KEY WEST AND OVER THE EXTREME SOUTHEASTERN GULF OF MEXICO AND EVENTUALLY MAKE LANDFALL NEAR FT MEYERS. HURRICANE WARNINGS HAVE BEEN POSTED FOR SOUTHWEST COASTAL AREAS FROM THE FLORIDA KEYS NORTH TO ANCELOTE KEY. AS IRENE MOVES NORTHWARD...THE PRESSURE GRADIENT ACROSS SOUTH FLORIDA WILL INCREASE. THIS MEANS INCREASINGLY STRONG AND GUSTY NORTHEAST TO EAST WINDS...INCREASING SHOWER AND THUNDERSTORM ACTIVITY...AND RIP CURRENTS CONTINUING ALONG THE BEACHES. ISOLATED TORNADOES OR WATERSPOUTS ARE POSSIBLE IN THE OUTER BANDS AROUND IRENE. COASTAL FLOODING WILL BE PROBLEM IN LOW LYING AREAS ALONG THE SOUTHWEST COAST WITH TIDES RUNNING MUCH ABOVE NORMAL. RESIDENTS OF FLORIDA ARE URGED TO KEEP UP WITH THE LATEST ADVISORIES FROM THE NATIONAL HURRICANE CENTER CONCERNING IRENE.
Special weather statement, Oct 15, 6:00 AM EDT, 4 hours 29 minutes before
SPSMIA FLZ063-066>075-152200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 600 AM EDT FRI OCT 15 1999 WIDESPREAD RAIN WITH ISOLATED EMBEDDED THUNDERSTORMS WILL COVER SOUTH FLORIDA TODAY. SOME RAINS WILL BE LOCALLY HEAVY WITH A FLOOD WATCH POSTED FOR TODAY THROUGH SATURDAY WHEN AMOUNTS WILL ACCUMULATE FROM 10 TO 20 INCHES. RAINS FALLING ON ALREADY SATURATED GROUND WILL RESULT IN POSSIBLE FLOODING ESPECIALLY IN LOW LYING AREAS. RIP CURRENTS ARE LIKELY TODAY ALONG THE ATLANTIC AND GULF BEACHES. SWIMMERS ARE ADVISED TO SWIM AT GUARDED BEACHES FOR THEIR SAFETY. TODAY, HURRICANE IRENE IS FORECAST TO MOVE NORTH OF KEY WEST AND OVER THE EXTREME SOUTHEASTERN GULF OF MEXICO AND EVENTUALLY MAKE LANDFALL NEAR FT MEYERS. HURRICANE WARNINGS HAVE BEEN POSTED FOR SOUTHWEST COASTAL AREAS FROM THE FLORIDA KEYS NORTH TO ANCLOTE KEYS. AS IRENE MOVES NORTHWARD...THE PRESSURE GRADIENT ACROSS SOUTH FLORIDA WILL INCREASE. THIS MEANS INCREASINGLY STRONG AND GUSTY NORTHEAST TO EAST WINDS...INCREASING SHOWER AND THUNDERSTORM ACTIVITY...AND RIP CURRENTS CONTINUING ALONG THE BEACHES. ISOLATED TORNADOES OR WATERSPOUTS ARE POSSIBLE IN THE OUTER BANDS AROUND IRENE. COASTAL FLOODING WILL BE PROBLEM IN LOW LYING AREAS ALONG THE SOUTHWEST COAST WITH TIDES RUNNING MUCH ABOVE NORMAL. RESIDENTS OF FLORIDA ARE URGED TO KEEP UP WITH THE LATEST ADVISORIES FROM THE NATIONAL HURRICANE CENTER CONCERNING IRENE.
Special weather statement, Oct 15, 6:00 AM EDT, 4 hours 29 minutes before
SPSMIA FLZ063-066>075-152200- SOUTH FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIAMI FL 600 AM EDT FRI OCT 15 1999 WIDESPREAD RAIN WITH ISOLATED EMBEDDED THUNDERSTORMS WILL COVER SOUTH FLORIDA TODAY. SOME RAINS WILL BE LOCALLY HEAVY WITH A FLOOD WATCH POSTED FOR TODAY THROUGH SATURDAY WHEN AMOUNTS WILL ACCUMULATE FROM 10 TO 20 INCHES. RAINS FALLING ON ALREADY SATURATED GROUND WILL RESULT IN POSSIBLE FLOODING ESPECIALLY IN LOW LYING AREAS. RIP CURRENTS ARE LIKELY TODAY ALONG THE ATLANTIC AND GULF BEACHES. SWIMMERS ARE ADVISED TO SWIM AT GUARDED BEACHES FOR THEIR SAFETY. TODAY, HURRICANE IRENE IS FORECAST TO MOVE NORTH OF KEY WEST AND OVER THE EXTREME SOUTHEASTERN GULF OF MEXICO AND EVENTUALLY MAKE LANDFALL NEAR FT MEYERS. HURRICANE WARNINGS HAVE BEEN POSTED FOR SOUTHWEST COASTAL AREAS FROM THE FLORIDA KEYS NORTH TO ANCLOTE KEYS. AS IRENE MOVES NORTHWARD...THE PRESSURE GRADIENT ACROSS SOUTH FLORIDA WILL INCREASE. THIS MEANS INCREASINGLY STRONG AND GUSTY NORTHEAST TO EAST WINDS...INCREASING SHOWER AND THUNDERSTORM ACTIVITY...AND RIP CURRENTS CONTINUING ALONG THE BEACHES. ISOLATED TORNADOES OR WATERSPOUTS ARE POSSIBLE IN THE OUTER BANDS AROUND IRENE. COASTAL FLOODING WILL BE PROBLEM IN LOW LYING AREAS ALONG THE SOUTHWEST COAST WITH TIDES RUNNING MUCH ABOVE NORMAL. RESIDENTS OF FLORIDA ARE URGED TO KEEP UP WITH THE LATEST ADVISORIES FROM THE NATIONAL HURRICANE CENTER CONCERNING IRENE.
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 8:31 AM EDT | Flash Flood Warning | MFL | Miami-Dade | 2 hr |
| Oct 15, 10:29 AM EDT | Flash Flood Warning | MFL | Broward | 116 min |
| Oct 15, 10:42 AM EDT | Flash Flood Warning | MFL | Broward, Miami-Dade | 103 min |
| Oct 15, 10:42 AM EDT | Flash Flood Warning | MFL | Monroe | 103 min |
| Oct 15, 12:30 PM EDT | Flash Flood Warning | MFL | Broward, Collier, Miami-Dade, Monroe | 3 hr |
| Oct 15, 12:30 PM EDT | Flash Flood Warning | MFL | Palm Beach | 3 hr |
| Oct 15, 2:41 PM EDT | Flash Flood Warning | MFL | Broward, Collier, Miami-Dade, Palm Beach | 3 hr |
| Oct 15, 2:41 PM EDT | Flash Flood Warning | MFL | Monroe | 3 hr |
| Oct 15, 5:52 PM EDT | Flash Flood Warning | MFL | Broward, Collier, Miami-Dade | 2 hr |
| Oct 15, 5:52 PM EDT | Flash Flood Warning | MFL | Palm Beach | 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.