Alert archive / Florida / Flash Flood Warnings in 2011
Flash Flood Warning 10, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Oct 31, 2011, 12:01 PM EDT for Miami-Dade County, Florida. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 31, 2011, 12:01 PM EDT (16:01 UTC)
- Expired
- Oct 31, 2011, 5:00 PM EDT
- In force
- 5 hr
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Miami-Dade County, FL
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 4.0 hours before the alert went out and 14 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
- 684 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 541 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
319
WGUS52 KMFL 311601
FFWMFL
FLC086-312100-
/O.NEW.KMFL.FF.W.0010.111031T1601Z-111031T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1201 PM EDT MON OCT 31 2011
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA...
* UNTIL 500 PM EDT
* AT 1156 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
AN AREA OF SHOWERS AND THUNDERSTORMS OVER THE FLORIDA KEYS AND
FLORIDA BAY MOVING NORTH AT 15 MPH WHICH WILL MOVE INTO MIAMI-DADE
COUNTY DURING THE EARLY AFTERNOON HOURS. LOCAL LAW ENFORCEMENT
OFFICIALS AND MEDIA INDICATE THAT FLOODING PERSISTS OVER LARGE
PARTS OF EASTERN AND SOUTHERN MIAMI-DADE COUNTY, ESPECIALLY IN
CORAL GABLES, COCONUT GROVE, MIAMI BEACH, CITY OF MIAMI, PINECREST
AND PALMETTO BAY. ADDITIONAL 1 TO 3 INCHES OF RAIN WITH POTENTIAL
ISOLATED AMOUNTS UP TO 5 INCHES WILL LIKELY OCCUR OVER PARTS OF
THIS AREA DURING THE AFTERNOON, AGGRAVATING FLOODING CONDITIONS
OVER THIS AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CORAL
GABLES...KENDALL...KEY BISCAYNE...MIAMI...MIAMI BEACH...SOUTH
MIAMI...COCONUT GROVE...CUTLER BAY...PALMETTO BAY...PERRINE...
PINECREST AND UNIVERSITY OF MIAMI.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF
HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS
AND LOW LYING SPOTS.
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.
&&
LAT...LON 2567 8015 2566 8016 2568 8018 2574 8017
2572 8024 2564 8026 2561 8030 2554 8031
2555 8040 2574 8030 2584 8017 2576 8018
2575 8016 2584 8014 2586 8015 2588 8012
$$
MOLLEDA1 follow-up statement
925
WGUS72 KMFL 311840
FFSMFL
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
240 PM EDT MON OCT 31 2011
FLC086-312100-
/O.CON.KMFL.FF.W.0010.000000T0000Z-111031T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIAMI-DADE FL-
240 PM EDT MON OCT 31 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR EAST
CENTRAL MIAMI-DADE COUNTY...
THIS INCLUDES AREAS FROM NORTH MIAMI BEACH SOUTH TO CUTLER RIDGE
ALONG AND EAST OF HIGHWAY 1 AND I-95.
STANDING WATERS FROM RECENT RAINS STILL POSE A THREAT FOR AREAS
WITHIN THE WARNED REGION. ADDITIONALLY, AT 230 PM EDT...NATIONAL
WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STORMS FROM 23
MILES NORTHWEST OF FLAMINGO TO 30 MILES OR SO WEST OF MIAMI...MOVING
EAST AROUND 15 MPH. THIS ACTIVITY COULD AFFECT THE WARNED AREA LATER
THIS AFTERNOON AGGRAVATING ANY EXISTING FLOODING SITUATION.
THEREFORE THE WARNING REMAINS IN EFFECT.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOUTH
MIAMI...UNIVERSITY OF MIAMI...KENDALL...CORAL GABLES...PINECREST...
COCONUT GROVE...CUTLER RIDGE...ORANGE BOWL...MIAMI...PALMETTO BAY...
PERRINE...CUTLER BAY...MIAMI BEACH AND KEY BISCAYNE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL COULD CAUSE FLOODING OF CANALS...
URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER
DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 2567 8015 2566 8016 2568 8018 2574 8017
2572 8024 2564 8026 2561 8030 2554 8031
2555 8040 2574 8030 2584 8017 2576 8018
2575 8016 2584 8014 2586 8015 2588 8012
$$
PSThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 30, 8:02 PM EDT | Special Marine Warning | MFL | 43 min | |
| Oct 30, 8:13 PM EDT | Special Weather Statement | MFL | Miami-Dade | 47 min |
| Oct 30, 8:14 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 3 hr |
| Oct 30, 8:26 PM EDT | Tornado Warning | MFL | Miami-Dade | 34 min |
| Oct 30, 8:44 PM EDT | Special Marine Warning | MFL | 46 min | |
| Oct 30, 8:55 PM EDT | Tornado Warning | MFL | Miami-Dade | 23 min |
| Oct 30, 9:31 PM EDT | Special Marine Warning | MFL | 44 min | |
| Oct 30, 10:12 PM EDT | Areal Flood Advisory | MFL | Broward | 2 hr |
| Oct 30, 10:31 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 6 hr |
| Oct 31, 12:07 AM EDT | Areal Flood Advisory | MFL | Broward | 4 hr |
| Oct 31, 1:27 AM EDT | Flash Flood Warning | MFL | Broward | 3 hr |
| Oct 31, 1:47 AM EDT | Special Marine Warning | MFL | 58 min | |
| Oct 31, 2:26 AM EDT | Flash Flood Warning | MFL | Broward | 3 hr |
| Oct 31, 4:21 AM EDT | Flash Flood Warning | MFL | Miami-Dade | 5 hr |
| Oct 31, 4:29 AM EDT | Rip Current Statement | MFL | Broward, Miami-Dade, Palm Beach | 4 days |
| Oct 31, 4:31 AM EDT | Flash Flood Warning | MFL | Broward | 5 hr |
| Oct 31, 8:32 AM EDT | Special Marine Warning | MFL | 28 min | |
| Oct 31, 8:59 AM EDT | Areal Flood Warning | MFL | Miami-Dade | 3 hr |
| Oct 31, 9:06 AM EDT | Areal Flood Warning | MFL | Broward | 3 hr |
| Oct 31, 12:16 PM EDT | Flash Flood Warning | MFL | Broward | 6 hr |
| Oct 31, 1:35 PM EDT | Special Weather Statement | MFL | Broward | 40 min |
| Oct 31, 2:08 PM EDT | Special Weather Statement | MFL | Broward | 52 min |
| Oct 31, 2:54 PM EDT | Areal Flood Advisory | MFL | Broward | 111 min |
| Oct 31, 4:55 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 4 hr |
| Oct 31, 5:50 PM EDT | Areal Flood Warning | MFL | Broward | 18 hr |
| Oct 31, 6:48 PM EDT | Areal Flood Warning | MFL | Miami-Dade | 18 hr |
Nearby
Flash Flood Warnings in Florida, 2011Every flash flood warning in 2011
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.