Alert archive / Florida / Flash Flood Warnings in 2007
Flash Flood Warning 1, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at May 20, 2007, 6:57 AM EDT for Miami-Dade County, Florida. It was in force for 93 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, 6:57 AM EDT (10:57 UTC)
- Expired
- May 20, 2007, 8:30 AM EDT
- In force
- 93 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), 41 km from the middle of the area, began a volume at 11:01 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, 7:00 AM EDT | FLASH FLOOD | North Miami Beach, FL | NORTH MIAMI BEACH POLICE DEPARTMENT REPORTED DEEP FLOODING AND IMPASSABLE ROADS IN MULTIPLE LOCATIONS. DEEP FLOODING WAS REPORTED AT INTERSECTION OF 167 ST. AND NW 2ND AVE. EASTBOUND TO 163 ST AND NE 19TH AVE. |
| May 20, 7:45 AM EDT | FLASH FLOOD | Miami Lakes, FL | OFF-DUTY NATIONAL WEATHER SERVICE EMPLOYEE REPORTED SIGNIFICANT STREET FLOODING IN MIAMI LAKES...NEAR THE INTERSECTION OF THE PALMETTO EXPRESSWAY AND 67TH AVENUE |
| May 20, 8:30 AM EDT | FLASH FLOOD | North Miami, FL | NUMEROUS REPORTS OF STALLED CARS AT UNDERPASSES, MANY WITH WATER INSIDE, AND WATER ENTERING BUSINESSES AND A FEW APARTMENTS IN NORTH MIAMI AND SEVERAL OTHER COMMUNITIES IN NORTHEAST MIAMI-DADE FROM WSVN,WTVJ,WPLG AND WFOR NEWS CREWS AND MIAMI HERALD. |
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 00:00Z, 11.0 hours before the alert went out and 16 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
- 1859 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 817 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KMFL 201059 FFWMFL FLC086-201230- /X.NEW.KMFL.FF.W.0001.070520T1057Z-070520T1230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 657 AM EDT SUN MAY 20 2007 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * FLASH FLOOD WARNING FOR... MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA * UNTIL 830 AM EDT * AT 655 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM CONTINUING THUNDERSTORMS OVER THE SAME NEIGHBORHOODS IN NORTHEAST MIAMI-DADE COUNTY. OPA LOCKA AIRPORT RECEIVED TWO INCHES OF RAIN IN 45 MINUTES AND OVER 4 INCHES OF RAIN IN LESS THAN 4 HOURS HAS BEEN REPORTED AT A SOUTH FLORIDA WATER MANAGEMENT DISTRICT RAIN GAGE IN NORTH MIAMI BEACH. NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES AS MUCH AS 5 INCHES OF RAIN HAS FALLEN IN NEIGHBORHOODS FROM OPA LOCKA TO NORTH MIAMI AND BISCAYNE PARK. DRIVING CONDITIONS WILL BE HAZARDOUS DUE TO URBAN PONDING OF WATER AND DRAINAGE WILL BE SLOW. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIAMI GARDENS, DOLPHINS STADIUM, CAROL CITY, AVENTURA, NORTH MIAMI, BISCAYNE PARK, OPA LOCKA AND NORTH MIAMI BEACH. 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 A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO A SAFER LOCATION IMMEDIATELY. LAT...LON 2596 8003 2596 8030 2582 8037 2581 8009 $$ RLP
2 follow-up statements
000 WGUS72 KMFL 201207 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 807 AM EDT SUN MAY 20 2007 FLC086-201230- /X.CON.KMFL.FF.W.0001.000000T0000Z-070520T1230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 807 AM EDT SUN MAY 20 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM EDT FOR EXTREME NORTHEASTERN MIAMI-DADE COUNTY... AT 807 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT BETWEEN 5 AND 7 INCHES OR RAINFALL HAD FALLEN OVER THE EXTREME NORTHEASTERN CORNER OF MIAMI-DADE COUNTY...BETWEEN HIALEAH... HALLANDALE...AND MIAMI BEACH. OFF DUTY NATIONAL WEATHER SERVICE PERSONNEL ALSO REPORTED SIGNIFICANT WATER ACCUMULATIONS IN THE MIAMI LAKES AREA. THE THUNDERSTORM PRODUCING THE FLASH FLOODING WILL REMAIN IN PLACE...AND THIS WARNING MAY NEED TO BE EXTENDED. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIAMI GARDENS...DOLPHINS STADIUM...OPA-LOCKA...NORTH MIAMI BEACH...NORTH MIAMI...MIAMI LAKES...CAROL CITY AND AVENTURA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. LAT...LON 2596 8003 2596 8030 2582 8037 2581 8009 $$ 70/DD
000 WGUS72 KMFL 201208 CCA FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 807 AM EDT SUN MAY 20 2007 FLC086-201230- /X.CON.KMFL.FF.W.0001.000000T0000Z-070520T1230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 807 AM EDT SUN MAY 20 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM EDT FOR EXTREME NORTHEASTERN MIAMI-DADE COUNTY... AT 807 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT BETWEEN 5 AND 7 INCHES OF RAINFALL HAD FALLEN OVER THE EXTREME NORTHEASTERN CORNER OF MIAMI-DADE COUNTY...BETWEEN HIALEAH... HALLANDALE...AND MIAMI BEACH. OFF DUTY NATIONAL WEATHER SERVICE PERSONNEL ALSO REPORTED SIGNIFICANT WATER ACCUMULATIONS IN THE MIAMI LAKES AREA. THE THUNDERSTORM PRODUCING THE FLASH FLOODING WILL REMAIN IN PLACE...AND THIS WARNING MAY NEED TO BE EXTENDED. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIAMI GARDENS...DOLPHINS STADIUM...OPA-LOCKA...NORTH MIAMI BEACH...NORTH MIAMI...MIAMI LAKES...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. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. LAT...LON 2596 8003 2596 8030 2582 8037 2581 8009 $$ 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, 8:23 AM EDT | Flash Flood Warning | MFL | Miami-Dade | 2 hr |
| May 20, 10:18 AM EDT | Flash Flood Warning | MFL | Miami-Dade | 117 min |
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.