Alert archive / Florida / Flash Flood Warnings in 2012
Flash Flood Warning 1, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at May 22, 2012, 2:24 PM EDT for Miami-Dade County, Florida. It was in force for 111 min. 2 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 22, 2012, 2:24 PM EDT (18:24 UTC)
- Expired
- May 22, 2012, 4:15 PM EDT
- In force
- 111 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 27 km from the middle of the area, began a volume at 18:26 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 22, 2:30 PM EDT | FLASH FLOOD | 2 Nw West Miami, FL | NWS EMPLOYEE REPORTED MINOR FLOODING ON THE DOLPHIN EXPRESSWAY...STATE ROAD 836...EASTBOUND NEAR NW 72ND AVENUE. THE ROADWAY WAS STILL PASSABLE. |
| May 22, 2:30 PM EDT | FLASH FLOOD | Doral, FL | NWS EMPLOYEE REPORTED MINOR FLOODING ON THE DOLPHIN EXPRESSWAY...STATE ROAD 836...WESTBOUND NEAR 87TH AVENUE. THE ROADWAY WAS STILL PASSABLE. |
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, 6.4 hours before the alert went out and 4 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
- 1333 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
851 WGUS52 KMFL 221824 FFWMFL FLC086-222130- /O.NEW.KMFL.FF.W.0001.120522T1824Z-120522T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 224 PM EDT TUE MAY 22 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * FLASH FLOOD WARNING FOR... PORTIONS OF THE MIAMI-DADE METRO IN SOUTHEAST FLORIDA... * UNTIL 530 PM EDT...FLOODING HAS BEEN REPORTED IN DORAL. A NATIONAL WEATHER SERVICE EMPLOYEE REPORTED CARS FLOATING ON 82ND AVE AND NW 36TH STREET. STREETS ARE IMPASSABLE ALONG NW 87TH AVE AND NW 33RD STREET. EXCESSIVE RAINFALL CONTINUES FROM DORAL INTO HIALEAH. FLASH FLOODING WILL OCCUR! DO NOT DRIVE THROUGH FLOODED ROADS. TURN AROUND, DON'T DROWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE WARNED AREA. && LAT...LON 2587 8027 2578 8030 2578 8039 2588 8040 $$ GREGORIA
3 follow-up statements
826 WGUS72 KMFL 221850 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 250 PM EDT TUE MAY 22 2012 FLC086-222130- /O.CON.KMFL.FF.W.0001.000000T0000Z-120522T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 250 PM EDT TUE MAY 22 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR NORTHEASTERN MIAMI-DADE COUNTY... AT 244 PM EDT...FLOODING HAS BEEN REPORTED IN DORAL. A NATIONAL WEATHER SERVICE EMPLOYEE HAD REPORTED CARS FLOATING ON 82ND AVE AND NW 36TH STREET AT 220 PM. STREETS WERE ALSO REPORTED AS IMPASSABLE AT NW 87TH AVE AND NW 33RD STREET. THE RAIN WAS DIMINISHING IN INTENSITY AND MOVING OUT OF DORAL AND ACROSS HIALEAH. STREET FLOODING WILL CONTINUE UNTIL WATERS SUBSIDE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MEDLEY... HIALEAH GARDENS...HIALEAH AND DORAL PRECAUTIONARY/PREPAREDNESS ACTIONS... MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. && LAT...LON 2587 8027 2578 8030 2578 8039 2588 8040 $$ GREGORIA
745 WGUS72 KMFL 221920 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 320 PM EDT TUE MAY 22 2012 FLC086-222130- /O.CON.KMFL.FF.W.0001.000000T0000Z-120522T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 320 PM EDT TUE MAY 22 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR NORTHEASTERN MIAMI-DADE COUNTY... AT 314 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE RAIN HAS ENDED ACROSS THE WARNING AREA. HOWEVER...REPORTS FROM THE PUBLIC CONTINUE TO INDICATE THAT ROADS REMAIN IMPASSABLE ACROSS PORTIONS OF THE AREA...INCLUDING BUT NOT LIMITED TO NW 87TH AVE BETWEEN 25TH AND 36TH STREET IN DORAL. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MEDLEY... HIALEAH GARDENS...HIALEAH AND DORAL PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 2587 8027 2578 8030 2578 8039 2588 8040 $$ GREGORIA
641 WGUS72 KMFL 222015 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 415 PM EDT TUE MAY 22 2012 FLC086-222023- /O.CAN.KMFL.FF.W.0001.000000T0000Z-120522T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 415 PM EDT TUE MAY 22 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHEASTERN MIAMI-DADE COUNTY... THERE HAVE BEEN NO ADDITIONAL NEW REPORTS OF SIGNIFICANT FLOODING FROM THE DORAL TO HIALEAH AREA...AND THE RAIN HAS ENDED. THE WATER HAS DRAINED FROM PREVIOUSLY IMPASSABLE 87TH AVENUE IN DORAL. SOME SIDE STREETS CONTINUE WITH PONDING OF WATER...AND THIS WILL CONTINUE OVER THE NEXT FEW HOURS AS IT WILL TAKE TIME FOR THE WATER TO DRAIN...SO MOTORISTS SHOULD DRIVE WITH EXTRA CAUTION INTO THE EVENING HOURS. LAT...LON 2587 8027 2578 8030 2578 8039 2588 8040 $$ GREGORIA
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:00 PM EDT | Special Weather Statement | MFL | Miami-Dade | 30 min |
| May 22, 9:32 AM EDT | Special Marine Warning | MFL | 35 min | |
| May 22, 12:04 PM EDT | Special Marine Warning | MFL | 56 min | |
| May 22, 12:26 PM EDT | Special Weather Statement | MFL | Palm Beach | 34 min |
| May 22, 1:21 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 114 min |
| May 22, 2:00 PM EDT | Tornado Warning | MFL | Broward | 12 min |
| May 22, 2:21 PM EDT | Special Weather Statement | MFL | Broward | 39 min |
| May 22, 2:39 PM EDT | Areal Flood Advisory | MFL | Broward | 111 min |
| May 22, 4:25 PM EDT | Special Weather Statement | MFL | Broward | 35 min |
| May 22, 5:04 PM EDT | Special Weather Statement | MFL | Miami-Dade | 26 min |
| May 22, 5:15 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 2 hr |
| May 22, 5:44 PM EDT | Special Weather Statement | MFL | Miami-Dade | 31 min |
| May 22, 6:37 PM EDT | Special Weather Statement | MFL | Miami-Dade | 23 min |
| May 22, 7:21 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 3 hr |
| May 22, 7:37 PM EDT | Special Weather Statement | MFL | Miami-Dade | 53 min |
Nearby
Flash Flood Warnings in Florida, 2012Every flash flood warning in 2012
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.