Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 46, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 24, 2012, 11:46 AM EDT for Miami-Dade County, Florida. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 24, 2012, 11:46 AM EDT (15:46 UTC)
- Expired
- May 24, 2012, 12:20 PM EDT
- In force
- 34 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 12 km from the middle of the area, began a volume at 15:49 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, 3.8 hours before the alert went out and 20 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
- 877 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 473 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
605
WUUS52 KMFL 241546
SVRMFL
FLC086-241630-
/O.NEW.KMFL.SV.W.0046.120524T1546Z-120524T1630Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1146 AM EDT THU MAY 24 2012
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL METRO MIAMI-DADE COUNTY IN SOUTH FLORIDA.
* UNTIL 1230 PM EDT
* AT 1141 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM PINECREST TO CUTLER BAY...AND MOVING NORTH AT 10 MPH.
* THE LINE OF STORMS WILL AFFECT...
PALMETTO BAY...
CUTLER RIDGE...
WEST PERRINE...
PINECREST...
ZOO MIAMI...
KENDALL...
AND SURROUNDING COMMUNITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MPH.
FREQUENT TO EXCESSIVE LIGHTNING AND HEAVY RAINFALL IS ALSO POSSIBLE.
IF THE STORM APPROACHES YOUR LOCATION, SEEK SHELTER IN AN ENCLOSED
BUILDING ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS.
HEAVY RAINS MAY FLOOD POORLY DRAINED AREAS MAKING ROADWAYS
INDISTINGUISHABLE FROM CANALS AND PONDS. AVOID DRIVING IN WATERS
COVERING ROADWAYS.
SEVERE THUNDERSTORMS CAN ALSO PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN AN INTERIOR
ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS IF A TORNADO IS
SPOTTED.
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI.
&&
LAT...LON 2570 8024 2568 8025 2565 8026 2562 8028
2561 8030 2559 8031 2557 8030 2556 8030
2553 8037 2568 8049 2575 8023
TIME...MOT...LOC 1545Z 172DEG 7KT 2565 8028 2558 8037
$$
CWC/BNB2 follow-up statements
568
WWUS52 KMFL 241607
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1207 PM EDT THU MAY 24 2012
FLC086-241630-
/O.CON.KMFL.SV.W.0046.000000T0000Z-120524T1630Z/
MIAMI-DADE FL-
1207 PM EDT THU MAY 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 PM EDT
FOR EAST CENTRAL MIAMI-DADE COUNTY...
AT 1202 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE LINE OF STORMS THAT WERE MOVING ONSHORE OVER EAST CENTRAL
METRO MIAMI-DADE COUNTY HAVE WEAKENED. HOWEVER...ANOTHER LINE OF
STRONG TO SEVERE THUNDERSTORMS WERE DEVELOPING OVER BISCAYNE BAY AND
MOVING TO THE NORTHWEST AT 5 TO 10 MPH. THE DOPPLER RADAR WAS
SHOWING WINDS UP TO 60 MPH WITH THIS LINE OF STORMS. THEREFORE...THE
SEVERE THUNDERSTORM WARNING WILL REMAIN IN EFFECT UNTIL 1230 PM EDT
FOR EAST CENTRAL MIAMI-DADE COUNTY.
THE SEVERE THUNDERSTORMS WILL BE NEAR...
PALMETTO BAY...
CUTLER RIDGE...
WEST PERRINE...
PINECREST...
AND SURROUNDING COMMUNITIES.
SEVERE THUNDERSTORMS CAN ALSO PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN AN INTERIOR
ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS IF A TORNADO IS
SPOTTED.
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI.
LAT...LON 2563 8040 2575 8023 2570 8024 2568 8025
2565 8026 2562 8028 2561 8030 2559 8031
2557 8030 2556 8030 2556 8031
TIME...MOT...LOC 1604Z 137DEG 4KT 2570 8017 2555 8027
$$
CWC/BNB061
WWUS52 KMFL 241620
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1220 PM EDT THU MAY 24 2012
FLC086-241629-
/O.CAN.KMFL.SV.W.0046.000000T0000Z-120524T1630Z/
MIAMI-DADE FL-
1220 PM EDT THU MAY 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MIAMI-DADE COUNTY
IS CANCELLED...
THE LINE OF STRONG TO SEVERE THUNDERSTORMS OVER BISCAYNE BAY HAS
MOVED NORTHEAST INTO THE ATLANTIC WATERS AND SHOULD REMAIN AWAY FROM
THE METRO AREAS OF EAST CENTRAL MIAMI DADE COUNTY. THEREFORE THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR EAST CENTRAL
MIAMI DADE COUNTY.
LAT...LON 2563 8040 2575 8023 2570 8024 2568 8025
2565 8026 2562 8028 2561 8030 2559 8031
2557 8030 2556 8030 2556 8031
TIME...MOT...LOC 1619Z 172DEG 7KT 2572 8029 2565 8038
$$
CWC/BNBThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 9:25 AM EDT | Areal Flood Advisory | MFL | Miami-Dade | 4 hr |
| May 24, 10:49 AM EDT | Special Marine Warning | MFL | 116 min | |
| May 24, 11:00 AM EDT | Areal Flood Advisory | MFL | Broward, Miami-Dade | 2 hr |
| May 24, 11:29 AM EDT | Special Weather Statement | MFL | Miami-Dade | 46 min |
| May 24, 12:33 PM EDT | Special Marine Warning | MFL | 117 min | |
| May 24, 12:46 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 44 min |
| May 24, 12:57 PM EDT | Areal Flood Advisory | MFL | Broward, Palm Beach | 2 hr |
| May 24, 1:13 PM EDT | High Wind Warning | MFL | Broward, Miami-Dade | 103 min |
| May 24, 1:19 PM EDT | Gale Warning | MFL | 3 hr | |
| May 24, 4:43 PM EDT | Small Craft Advisory | MFL | 5 hr | |
| May 24, 6:06 PM EDT | Special Marine Warning | MFL | 70 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2012Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.