Alert archive / Florida / Special Weather Statements in 2011
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Mar 29, 2011, 3:32 PM EDT for Miami-Dade County, Florida. It was in force for 28 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
- Mar 29, 2011, 3:32 PM EDT (19:32 UTC)
- Expired
- Mar 29, 2011, 4:00 PM EDT
- In force
- 28 min
- Issued by
- NWS Miami, FL
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 16 km from the middle of the area, began a volume at 19:34 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, 7.5 hours before the alert went out and 38 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
- 950 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 965 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.7
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 Mar 29, 2:38 PM EDT, 54 minutes earlier.
Area forecast discussion, Mar 29, 2:38 PM EDT, 54 minutes before
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</html>Hazardous weather outlook, Mar 29, 2:09 PM EDT, 1 hour 23 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA...UPDATED NATIONAL WEATHER SERVICE MIAMI FL 209 PM EDT TUE MAR 29 2011 FLZ063-066>075-168-172>174-300915- 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- 209 PM EDT TUE MAR 29 2011 ...SCATTERED SHOWERS AND THUNDERSTORMS MAINLY IN THE AFTERNOON... ...SOME THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS AND SMALL HAIL... ...SLIGHT RISK OF URBAN TYPE FLOODING... ...STRONG THUNDERSTORMS POSSIBLE THURSDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS SOUTH FLORIDA AND ADJACENT WATERS TODAY. THE PRIMARY HAZARD WILL BE FREQUENT TO EXCESSIVE LIGHTNING STRIKES, ALTHOUGH A FEW STORMS COULD BECOME STRONG WITH WIND GUSTS TO NEAR 45 TO 55 MPH AND SMALL HAIL. WIND: WITH THE OCCURRENCE OF A THUNDERSTORM, GUSTY WINDS TO NEAR 45 TO 55 MPH MAY BE POSSIBLE. HAIL: UP TO DIME SIZED HAIL IS POSSIBLE WITH THE STRONGEST STORMS. FLOODING: DUE TO THE WIDESPREAD RAINFALL ACROSS SOUTH FLORIDA ON MONDAY, ANY ADDITIONAL RAINFALL ACCUMULATION TODAY WILL MORE EASILY RUNOFF. THEREFORE, THERE IS A SLIGHT RISK OF URBAN TYPE FLOODING ACROSS SOUTH FLORIDA. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SCATTERED THUNDERSTORMS CAN BE EXPECTED THURSDAY AHEAD OF AN APPROACHING COLD FRONT. A FEW STORMS COULD BE STRONG WITH THE MAIN IMPACT BEING STRONG GUSTY WINDS, FREQUENT TO EXCESSIVE LIGHTNING, SMALL HAIL AND HEAVY RAIN. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER INDIVIDUAL SPOTTERS ARE ENCOURAGED TO REPORT HIGH WIND, HAIL AND FLOODING TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
In the hours before
Special weather statement, Mar 29, 3:10 PM EDT, 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 310 PM EDT TUE MAR 29 2011 FLZ073-074-291945- METROPOLITAN MIAMI DADE FL-INLAND MIAMI-DADE FL- 310 PM EDT TUE MAR 29 2011 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SIGNIFICANT WEATHER ADVISORY FOR... CENTRAL MIAMI-DADE COUNTY * FOR GUSTY WINDS UP TO 55 MPH * UNTIL 345 PM EDT AT 308 PM EDT...STRONG THUNDERSTORM 3 MILES WEST OF INTERSECTION KROME AND KENDALL DRIVE...MOVING SOUTHWEST AT 25 MPH. THIS STORM WILL AFFECT INLAND RURAL AREAS OF CENTRAL MIAMI-DADE COUNTY. THE PRIMARY IMPACTS WILL BE GUSTY WINDS OF UP TO 55 MPH. 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. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. LAT...LON 2590 8050 2575 8031 2558 8052 2570 8066 TIME...MOT...LOC 1909Z 033DEG 20KT 2570 8053 GREGORIA
Special weather statement, Mar 29, 3:32 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 332 PM EDT TUE MAR 29 2011 FLZ073-292000- INLAND MIAMI-DADE FL- 332 PM EDT TUE MAR 29 2011 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SIGNIFICANT WEATHER ADVISORY FOR... CENTRAL MIAMI-DADE COUNTY * FOR GUSTY WINDS FROM 45 TO 55 MPH * UNTIL 400 PM EDT AT 329 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 6 MILES SOUTHWEST OF INTERSECTION KROME AND KENDALL DRIVE...MOVING SOUTH AT 15 MPH. * THE STORM WILL AFFECT... SW 237TH AVE... SW 160TH ST... REDLAND... AND SURROUNDING COMMUNITIES. THE PRIMARY IMPACTS WILL BE GUSTY WINDS OF 45 TO 55 MPH. 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. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. LAT...LON 2548 8051 2549 8069 2574 8064 2573 8049 TIME...MOT...LOC 1931Z 009DEG 13KT 2563 8056 GREGORIA
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 8:24 PM EDT | Special Weather Statement | MFL | Miami-Dade | 21 min |
| Mar 28, 8:55 PM EDT | Special Marine Warning | MFL | 50 min | |
| Mar 28, 11:41 PM EDT | Special Marine Warning | MFL | 64 min | |
| Mar 29, 12:41 AM EDT | Special Marine Warning | MFL | 64 min | |
| Mar 29, 3:10 PM EDT | Special Weather Statement | MFL | Miami-Dade | 35 min |
| Mar 29, 3:47 PM EDT | Special Weather Statement | MFL | Monroe | 58 min |
| Mar 29, 3:54 PM EDT | Special Weather Statement | MFL | Broward | 36 min |
| Mar 29, 4:02 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 58 min |
| Mar 29, 4:11 PM EDT | Special Weather Statement | MFL | Miami-Dade | 34 min |
| Mar 29, 4:22 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 25 min |
| Mar 29, 4:37 PM EDT | Special Weather Statement | MFL | Broward | 38 min |
| Mar 29, 4:48 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 57 min |
| Mar 29, 4:51 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 20 min |
| Mar 29, 5:16 PM EDT | Special Weather Statement | MFL | Broward | 59 min |
| Mar 29, 5:23 PM EDT | Special Weather Statement | MFL | Palm Beach | 22 min |
| Mar 29, 5:24 PM EDT | Special Weather Statement | MFL | Palm Beach | 36 min |
| Mar 29, 5:34 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 27 min |
| Mar 29, 5:38 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 37 min |
| Mar 29, 6:02 PM EDT | Special Weather Statement | MFL | Palm Beach | 58 min |
| Mar 29, 6:06 PM EDT | Special Marine Warning | MFL | 54 min | |
| Mar 29, 6:14 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 31 min |
Nearby
Special Weather Statements in Florida, 2011Every special weather statement 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; radar from the NEXRAD Level II archive.