Alert archive / Florida / Flash Flood Warnings in 2007
Flash Flood Warning 3, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at May 20, 2007, 10:18 AM EDT for Miami-Dade County, Florida. It was in force for 117 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 20, 2007, 10:18 AM EDT (14:18 UTC)
- Expired
- May 20, 2007, 12:15 PM EDT
- In force
- 117 min
- Issued by
- NWS Miami, FL
- Area
- Counties, with a storm outline in the text
- Flood severity
- None
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 20 km from the middle of the area, began a volume at 14:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 20, 10:43 AM EDT | FLASH FLOOD | Miami Beach, FL | NWS EMPLOYEE REPORTED WATER INTRUSION INTO 1ST FLOOR APARTMENTS AT 1040 MICHIGAN AVE |
| May 20, 11:03 AM EDT | FLASH FLOOD | Miami Beach, FL | NWS EMPLOYEE REPORTED WATER INTRUSION INTO 1ST FLOOR APARTMENTS AT 1040 MICHIGAN AVE |
| May 20, 11:15 AM EDT | FLOOD | Miami Beach, FL | FLOODING OF ROADS REPORTED ALONG ALTON RD BETWEEN 44TH AND 48TH STR. THE WATER WAS APPROACHING THE HOUSES ALONG THE STREETS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 2.3 hours before the alert went out and 8 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
- 163 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 837 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KMFL 201421 FFWMFL FLC086-201615- /X.NEW.KMFL.FF.W.0003.070520T1418Z-070520T1615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 1020 AM EDT SUN MAY 20 2007 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST-CENTRAL MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA * UNTIL 1215 PM EDT * AT 1020 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A COMPLEX OF SLOW-MOVING THUNDERSTORMS DUMPING VERY HEAVY RAINFALL ON THE ORDER OF 1 TO 3 INCHES PER HOUR...EXTENDING FROM SOUTH BEACH WESTWARD ALONG THE DOLPHIN EXPRESSWAY TO DORAL. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NORTH BAY VILLAGE...MIAMI SPRINGS...MIAMI SHORES...EL PORTAL...LITTLE HAITI...MIAMI INTERNATIONAL A/P...MIAMI BEACH...LIBERTY CITY...DORAL AND HIALEAH. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. REMEMBER...TURN AROUND...DONT DROWN MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. LAT...LON 2568 8041 2570 8012 2587 8013 2583 8040 $$ 70/DD
2 follow-up statements
000 WGUS72 KMFL 201503 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 1103 AM EDT SUN MAY 20 2007 FLC086-201615- /X.CON.KMFL.FF.W.0003.000000T0000Z-070520T1615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 1103 AM EDT SUN MAY 20 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT FOR ALL OF NORTHEASTERN MIAMI-DADE COUNTY... ...THIS WARNING AREA HAS BEEN EXPANDED NORTHWARD TO INCLUDE THE FAR NORTHEASTERN PORTION OF MIAMI-DADE COUNTY THAT WAS UNDER A FLASH FLOOD WARNING EARLIER THIS MORNING... AT 1103 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE NUMEROUS THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL ON THE ORDER OF 2 TO 3 INCHES PER HOUR OCCURRING OVER THE EXTREME NORTHEASTERN CORNER OF MIAMI-DADE COUNTY. THIS IS AN EXTREMELY DANGEROUS SITUATION...AS THERE HAVE BEEN NUMEROUS REPORTS OF WATER INTRUDING INTO THE FIRST FLOOR OF STRUCTURES ON MIAMI BEACH...AND FLOODING OF ROADWAYS IN THIS PORTION OF THE COUNTY. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIAMI GARDENS...NORTH BAY VILLAGE...OPA-LOCKA...NORTH MIAMI BEACH...MIAMI SPRINGS...LITTLE HAITI...MIAMI LAKES...MIAMI BEACH...HIALEAH... DORAL...CAROL CITY AND AVENTURA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. LAT...LON 2571 8040 2571 8012 2598 8012 2596 8038 $$ 70/DD
000 WGUS72 KMFL 201617 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 1216 PM EDT SUN MAY 20 2007 FLC086-201623- /X.EXP.KMFL.FF.W.0003.000000T0000Z-070520T1615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 1216 PM EDT SUN MAY 20 2007 ...THE FLASH FLOOD WARNING FOR NORTHEASTERN MIAMI-DADE COUNTY EXPIRED AT 1215 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE COMPLEX OF THUNDERSTORMS PROMPTING THE FLASH FLOOD WARNING HAD WEAKENED. HOWEVER...SIGNIFICANT RESIDUAL FLOODING REMAINS IN PLACE ACROSS THE WARNING AREA...ESPECIALLY ACROSS MIAMI BEACH WHERE THE CURRENT HIGH TIDE WILL CONTINUE TO LIMIT RUNOFF AND DISPERSION OF ACCUMULATED FLOOD WATER. ISOLATED SHOWERS CONTINUE ACROSS THE AREA AND WILL ALSO AGGRAVATE THE CURRENT FLOODING PROBLEMS. LAT...LON 2571 8040 2571 8012 2598 8012 2596 8038 $$ 70/DD
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 2:54 AM EDT | Special Marine Warning | MFL | 36 min | |
| May 20, 5:05 AM EDT | Marine Weather Statement | MFL | 17 hr | |
| May 20, 6:57 AM EDT | Flash Flood Warning | MFL | Miami-Dade | 93 min |
| May 20, 8:23 AM EDT | Flash Flood Warning | MFL | Miami-Dade | 2 hr |
Nearby
Flash Flood Warnings in Florida, 2007Every flash flood warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.