Alert archive / Florida / Flash Flood Warnings in 2013
Flash Flood Warning 13, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Jul 18, 2013, 9:24 AM EDT for Miami-Dade County, Florida. It was in force for 3 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
- Jul 18, 2013, 9:24 AM EDT (13:24 UTC)
- Expired
- Jul 18, 2013, 12:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 34 km from the middle of the area, began a volume at 13:26 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.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 1.4 hours before the alert went out and 17 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
- 1588 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
603
WGUS52 KMFL 181324
FFWMFL
FLC086-181630-
/O.NEW.KMFL.FF.W.0013.130718T1324Z-130718T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
924 AM EDT THU JUL 18 2013
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA...
THIS INCLUDES MIAMI BEACH
* UNTIL 1230 PM EDT
* AT 920 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN MOVING INTO THE SOUTH BEACH AREA OF MIAMI BEACH.
STREETS ARE ALREADY FLOODED FROM PREVIOUS RAINS AND THESE
CONDITIONS WILL LIKELY WORSEN OVER THE NEXT HOUR AS THE HEAVY
RAINS MOVE THROUGH THE AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. DO
NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN
DEPTH BY FOOT OR BY AUTOMOBILE.
&&
LAT...LON 2579 8012 2576 8012 2576 8013 2577 8014
2578 8015 2581 8014 2581 8012
$$
MOLLEDA1 follow-up statement
701
WGUS72 KMFL 181447
FFSMFL
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1047 AM EDT THU JUL 18 2013
FLC086-181630-
/O.CON.KMFL.FF.W.0013.000000T0000Z-130718T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIAMI-DADE FL-
1047 AM EDT THU JUL 18 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 PM EDT FOR
EXTREME NORTHEASTERN MIAMI-DADE COUNTY FOR THE SOUTHERN PORTION OF
MIAMI BEACH...
AT 1040 AM EDT...RAIN HAS TEMPORARILY ABATED OVER MIAMI BEACH.
HOWEVER, NATIONAL WEATHER SERVICE METEOROLOGISTS ARE DETECTING
ANOTHER CLUSTER OF TORRENTIAL RAINFALL NEAR KEY BISCAYNE WHICH MAY
MOVE INTO THE SOUTH BEACH AREA AROUND 11 AM. THEREFORE, THE FLOOD
WARNING REMAINS IN EFFECT UNTIL 1230 PM.
MANY REPORTS HAVE BEEN RECEIVED OF FLOODING IN MIAMI BEACH, COVERING
STREETS AND ENCROACHING ON BUILDINGS. THESE CONDITIONS WILL ONLY
WORSEN WITH ADDITIONAL HEAVY RAINFALL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF STREETS
AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE
FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE
ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN
AROUND...DONT DROWN.
&&
LAT...LON 2579 8012 2576 8012 2576 8013 2577 8014
2578 8015 2581 8014 2581 8012
$$
MOLLEDAThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 8:00 AM EDT | Special Weather Statement | MFL | Miami-Dade | 30 min |
| Jul 18, 9:02 AM EDT | Areal Flood Advisory | MFL | Miami-Dade | 58 min |
| Jul 18, 10:26 AM EDT | Areal Flood Advisory | MFL | Miami-Dade | 2 hr |
| Jul 18, 11:40 AM EDT | Special Marine Warning | MFL | 50 min | |
| Jul 18, 11:41 AM EDT | Special Marine Warning | MFL | 64 min | |
| Jul 18, 12:32 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 3 hr |
| Jul 18, 12:40 PM EDT | Special Marine Warning | MFL | 95 min | |
| Jul 18, 1:31 PM EDT | Areal Flood Advisory | MFL | Collier | 119 min |
| Jul 18, 4:16 PM EDT | Special Weather Statement | MFL | Miami-Dade | 29 min |
| Jul 18, 4:52 PM EDT | Special Weather Statement | MFL | Broward | 38 min |
| Jul 18, 5:46 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| Jul 18, 5:50 PM EDT | Special Weather Statement | MFL | Miami-Dade | 25 min |
Nearby
Flash Flood Warnings in Florida, 2013Every flash flood warning in 2013
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; radar from the NEXRAD Level II archive.