Alert archive / Florida / Flash Flood Warnings in 1994
Flash Flood Warning 1, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Oct 31, 1994, 5:37 AM EST for Miami-Dade County, Florida. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Oct 31, 1994, 5:37 AM EST (10:37 UTC)
- Expired
- Oct 31, 1994, 9:45 AM EST
- In force
- 4 hr
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Miami-Dade County, FL
The nearest sounding before it
Key West, FL (KEYW), launched 00:00Z, 10.6 hours before the alert went out and 169 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
- 2915 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 311037 FFWMIA FLC025-311445- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 537 AM EST MON OCT 31 1994 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 945 AM EST FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHEAST FLORIDA ...EASTERN DADE COUNTY ...FLOODING OCCURRING OVER MUCH OF DADE... FLOODING IS OCCURRING OVER A LARGE PORTION OF EASTERN DADE COUNTY. THE AREA WITH THE BIGGEST PROBLEMS EXTENDS FROM HIALEAH SOUTHWARD THROUGH WESTCHESTER AND KENDALL. NUMEROUS STREETS IN THESE AREAS WERE FLOODED FROM HEAVY RAINS THAT ACCOMPANIED SOME THUNDERSTORMS THAT MOVED THROUGH THE AREA EARLY THIS MORNING. AT 524 AM RADAR INDICATED MODERATE TO HEAVY RAINS WERE STILL OCCURRING FROM 10 MILES WEST OF SWEETWATER THROUGH KENDALL...SWEETWATER AND INTO VIRGINIA GARDENS. THIS RAIN WILL CONTINUE UNTIL 7 TO 8 AM WHICH WILL MEAN LITTLE CHANGE IN THE FLOODING UNTIL THAT TIME. BY 4 AM THIS MORNING RAINFALL AMOUNTS OF FROM 2 TO 5 INCHES HAD BEEN REPORTED BETWEEN THE AIRPORT AND MIAMI BEACH. SINCE THAT TIME RADAR HAS INDICATED THAT MUCH OF EASTERN DADE COULD HAVE RECEIVED SIMILAR AMOUNTS OF RAIN. 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. URBAN FLOODING IS OCCU8RRING IN THE FLOOD PRONE AREAS AND PEOPLE SHOULD NOT DRIVE ACROSS RISING WATER ON STREETS AND UNDERPASSES. &
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 31, 1:12 AM EST, 4 hours 25 minutes before
FLZ071>074-310815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 112 AM EST MON OCT 31 1994 ...INTENSE THUNDERSTORMS IN WESTERN BROWARD AND NORTHWEST DADE... A LARGE INTENSE THUNDERSTORM COVERED MUCH OF WESTERN BROWARD COUNTY AND PART OF NORTHWEST DADE AT 103 AM. THIS THUNDERSTORM WAS ABOUT 10 MILES WEST OF PEMBROKE PINES AND 10 MILES NORTHWEST OF HIALEAH. THE STORM WAS MOVING EAST SOUTHEAST ABOUT 10 MPH. IT SHOULD MOVE ACROSS HIGHWAY 27 SHORTLY AND INTO THE WESTERN SUBURBS OF BROWARD COUNTY FROM TAMARAC SOUTH THROUGH MIRAMAR AND INTO HIALEAH BETWEEN 2 AND 3 AM. RESIDENTS CAN EXPECT WIND GUSTS TO 40 MPH...SMALL HAIL...FREQUENT LIGHTNING AND HEAVY RAIN AS THESE STORMS PASS THROUGH SOUTHEAST FLORIDA. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY.
Special weather statement, Oct 31, 1:13 AM EST, 4 hours 24 minutes before
FLZ071>074-310815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 112 AM EST MON OCT 31 1994 ...INTENSE THUNDERSTORMS IN WESTERN BROWARD AND NORTHWEST DADE... A LARGE INTENSE THUNDERSTORM COVERED MUCH OF WESTERN BROWARD COUNTY AND PART OF NORTHWEST DADE AT 103 AM. THIS THUNDERSTORM WAS ABOUT 10 MILES WEST OF PEMBROKE PINES AND 10 MILES NORTHWEST OF HIALEAH. THE STORM WAS MOVING EAST SOUTHEAST ABOUT 10 MPH. IT SHOULD MOVE ACROSS HIGHWAY 27 SHORTLY AND INTO THE WESTERN SUBURBS OF BROWARD COUNTY FROM TAMARAC SOUTH THROUGH MIRAMAR AND INTO HIALEAH BETWEEN 2 AND 3 AM. RESIDENTS CAN EXPECT WIND GUSTS TO 40 MPH...SMALL HAIL...FREQUENT LIGHTNING AND HEAVY RAIN AS THESE STORMS PASS THROUGH SOUTHEAST FLORIDA. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY.
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 31, 1:41 AM EST | Severe Thunderstorm Warning | MFL | Broward | 64 min |
| Oct 31, 2:31 AM EST | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 59 min |
| Oct 31, 3:13 AM EST | Severe Thunderstorm Warning | MFL | Broward | 37 min |
| Oct 31, 3:13 AM EST | Severe Thunderstorm Warning | MFL | Miami-Dade | 2 hr |
Nearby
Flash Flood Warnings in Florida, 1994Every flash flood warning in 1994
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.