Alert archive / Florida / Special Weather Statements in 2012
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Sep 28, 2012, 2:30 PM EDT for Miami-Dade County, Florida. It was in force for 30 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
- Sep 28, 2012, 2:30 PM EDT (18:30 UTC)
- Expired
- Sep 28, 2012, 3:00 PM EDT
- In force
- 30 min
- Issued by
- NWS Miami, FL
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 17 km from the middle of the area, began a volume at 18:30 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, 6.5 hours before the alert went out and 23 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
- 3613 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 465 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Miami, FL wrote its last area forecast discussion before this special weather statement went out at Sep 28, 1:46 PM EDT, 44 minutes earlier.
Area forecast discussion, Sep 28, 1:46 PM EDT, 44 minutes before
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</html>Hazardous weather outlook, Sep 28, 9:11 AM EDT, 5 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA...UPDATED NATIONAL WEATHER SERVICE MIAMI FL 911 AM EDT FRI SEP 28 2012 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 290415- LAKE OKEECHOBEE-BISCAYNE BAY- COASTAL WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL OUT 20 NM- COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL OUT 20 NM- WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL EXTENDING FROM 20 NM TO 60 NM- WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL EXTENDING FROM 20 NM TO THE TERRITORIAL WATERS OF THE BAHAMAS-GLADES-HENDRY- INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER-INLAND COLLIER- INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE-METRO MIAMI DADE- MAINLAND MONROE-COASTAL PALM BEACH-COASTAL BROWARD- COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE- COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL OUT 20 NM- COASTAL WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE, FL OUT 20 NM- GULF WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL EXTENDING FROM 20 TO 60 NM- 911 AM EDT FRI SEP 28 2012 ...ISOLATED STRONG TO SEVERE THUNDERSTORMS EXPECTED THIS AFTERNOON/EVENING... ...DAMAGING WINDS, LARGE HAIL, STREET FLOODING POSSIBLE... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE FORECAST TO DEVELOP THIS AFTERNOON INTO THIS EVENING. THE ATMOSPHERE IS VERY UNSTABLE AND THIS WILL LIKELY ALLOW FOR A FEW PULSE STRONG TO SEVERE THUNDERSTORMS TO DEVELOP, CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE HAIL. FREQUENT LIGHTNING AND TORRENTIAL RAINS WILL ALSO BE POSSIBLE IN THE STRONGEST THUNDERSTORMS. DUE TO WEAK STEERING WINDS, THE RISK OF ISOLATED SEVERE THUNDERSTORMS COVERS ALL OF SOUTH FLORIDA. WIND: DAMAGING WINDS OF 6O TO 70 MPH ARE POSSIBLE. HAIL: HAIL TO AT LEAST QUARTER SIZE IS POSSIBLE. FLOODING: SLOW MOVING THUNDERSTORMS COULD PRODUCE TORRENTIAL RAINS OF 2 TO 4 INCHES IN A SHORT AMOUNT OF TIME, WHICH COULD RESULT IN ISOLATED STREET FLOODING AND FLOODING OF LOW LYING AREAS. WATERSPOUTS: THERE IS A SLIGHT CHANCE OF WATERSPOUTS ACROSS THE ATLANTIC WATERS...MAINLY THIS MORNING. RIP CURRENTS: EAST TO NORTHEAST WINDS AROUND 10 KNOTS ACROSS THE ATLANTIC BEACHES OF SOUTH FLORIDA WILL RESULT IN A SLIGHT CHANCE OF RIP CURRENTS. TEMPERATURE: THE HEAT INDICES COULD REACH INTO THE LOWER 100S IN PORTIONS OF INTERIOR COLLIER COUNTY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS EACH DAY WITH MAIN CONCERNS CONTINUING TO BE BRIEF PERIODS OF HEAVY RAIN, GUSTY WINDS, AND OCCASIONAL LIGHTNING STRIKES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING FOR THE EXPECTATION OF ISOLATED PULSE STRONG TO SEVERE THUNDERSTORMS. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI. GREGORIA
In the hours before
Local storm report, Sep 28, 8:32 AM EDT, 5 hours 58 minutes before
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</html>Special weather statement, Sep 28, 2:30 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 230 PM EDT FRI SEP 28 2012 FLZ073-281900- INLAND MIAMI-DADE COUNTY FL 230 PM EDT FRI SEP 28 2012 ...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR CENTRAL MIAMI-DADE COUNTY...FOR FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...UP TO NICKEL-SIZED HAIL... * UNTIL 300 PM EDT * AT 226 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR KENDALE LAKES...AND MOVING WEST AT 10 MPH. * THE STORM WILL AFFECT... KENDALE LAKES... MICCOSUKEE RESORT... AND SURROUNDING COMMUNITIES. FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...UP TO NICKEL-SIZED HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF THESE ARE POSSIBLE. LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. THESE WINDS CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES. RESIDENTS NEAR THE PATH OF SHOULD REMAIN ON THE ALERT FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. LAT...LON 2568 8057 2583 8058 2578 8040 2571 8040 TIME...MOT...LOC 1830Z 089DEG 7KT 2575 8044 GREGORIA
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 8:27 AM EDT | Special Marine Warning | MFL | 48 min | |
| Sep 28, 2:55 PM EDT | Special Weather Statement | MFL | Miami-Dade | 35 min |
| Sep 28, 3:09 PM EDT | Special Weather Statement | MFL | Palm Beach | 51 min |
| Sep 28, 3:11 PM EDT | Special Weather Statement | MFL | Broward | 34 min |
| Sep 28, 3:19 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 41 min |
| Sep 28, 3:26 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 34 min |
| Sep 28, 3:33 PM EDT | Special Weather Statement | MFL | Miami-Dade | 27 min |
| Sep 28, 4:10 PM EDT | Special Weather Statement | MFL | Miami-Dade | 35 min |
| Sep 28, 4:15 PM EDT | Special Weather Statement | MFL | Broward | 60 min |
| Sep 28, 4:58 PM EDT | Special Weather Statement | MFL | Glades | 62 min |
| Sep 28, 5:17 PM EDT | Severe Thunderstorm Warning | MFL | Glades | 43 min |
| Sep 28, 5:33 PM EDT | Special Marine Warning | MFL | 57 min | |
| Sep 28, 6:19 PM EDT | Special Marine Warning | MFL | 56 min |
Nearby
Special Weather Statements in Florida, 2012Every special weather statement 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.