Alert archive / Florida / Special Weather Statements in 2011
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Apr 29, 2011, 3:06 PM EDT for Miami-Dade County, Florida. It was in force for 24 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
- Apr 29, 2011, 3:06 PM EDT (19:06 UTC)
- Expired
- Apr 29, 2011, 3:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Miami, FL
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 28 km from the middle of the area, began a volume at 19:10 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, 7.1 hours before the alert went out and 2 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
- 1633 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 743 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- -7 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 Apr 29, 1:37 PM EDT, 1 hour 29 minutes earlier.
Area forecast discussion, Apr 29, 1:37 PM EDT, 1 hour 29 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>Hazardous weather outlook, Apr 29, 8:36 AM EDT, 6 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 836 AM EDT FRI APR 29 2011 FLZ063-066>075-168-172>174-300345- 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- 836 AM EDT FRI APR 29 2011 ...STRONG STORMS POSSIBLE LAKE OKEECHOBEE AREA AND PALM BEACHES... ...ISOLATED WEAK TORNADOES OR WATERSPOUTS PALM BEACH AND BROWARD AND ADJACENT WATERS... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS: SCATTERED TO NUMEROUS THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND EARLY EVENING OVER MOST OF SOUTH FLORIDA. THE MOST CONCENTRATED AREA OF STORMS IS EXPECTED TO BE OVER THE LAKE OKEECHOBEE REGION AND PALM BEACH COUNTY, WITH LESS COVERAGE ALONG THE GULF COAST. WIND: GUSTS OF 40 TO 50 MPH CAN BE EXPECTED WITH THE STRONGEST THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING, EXCEPT POSSIBLY UP TO 60 MPH AROUND LAKE OKEECHOBEE AND PALM BEACH COUNTY. TORNADOES: WEAK TORNADOES OR WATERSPOUTS ARE POSSIBLE IN THE STRONGEST STORMS THIS AFTERNOON OVER PALM BEACH AND BROWARD COUNTIES AND THE ADJACENT COASTAL WATERS. HAIL: LARGE HAIL IS POSSIBLE IN THE STRONGEST STORMS THIS AFTERNOON AND EARLY EVENING AROUND LAKE OKEECHOBEE AND PALM BEACH COUNTY, WITH SMALL HAIL A POSSIBILITY ELSEWHERE. VISIBILITY: REDUCED VISIBILITIES IN FOG AND SMOKE ARE POSSIBLE OVER GLADES, HENDRY AND INLAND SECTIONS OF COLLIER COUNTY EARLY THIS MORNING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE RISK OF RIP CURRENTS WILL SIGNIFICANTLY INCREASE ALONG THE ATLANTIC BEACHES THIS WEEKEND INTO EARLY NEXT WEEK AS EASTERLY WINDS INCREASE TO 15 TO 20 MPH. AS THE EASTERLY WINDS INCREASE OVER SOUTH FLORIDA BEGINNING ON SATURDAY, THIS COULD PRESENT A PROBLEM WITH THE FIRE IN THE GOLDEN GATE ESTATES AREA. IF THE FIRE IS NOT CONTAINED BY THE TIME THE WINDS INCREASE OUT OF THE EAST THIS WEEKEND, IT COULD RESULT IN EVACUATIONS ORDERS FOR A FEW OF THE SURROUNDING COMMUNITIES WEST OF THE FIRE. RESIDENTS IN THAT AREA ARE ADVISED TO REMAIN ON THE ALERT AND STAY TUNED WITH INFORMATION COMING FROM THE LOCAL AUTHORITIES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY. 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
Local storm report, Apr 29, 3:03 PM EDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
303 PM EDT FRI APR 29 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0250 PM HAIL 2 S WESTON 25.73N 80.31W
04/29/2011 E0.75 INCH MIAMI-DADE FL TRAINED SPOTTER
A TRAINED SPOTTER REPORTED PENNY-SIZED HAIL NEAR THE
INTERSECTION OF SW 199TH AVENUE AND GRIFFIN ROAD AT 250
PM EDT.
&&
ROSSSpecial weather statement, Apr 29, 3:03 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
303 PM EDT FRI APR 29 2011
FLZ071-072-291930-
INLAND BROWARD COUNTY FL-METRO BROWARD COUNTY FL-
303 PM EDT FRI APR 29 2011
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* SIGNIFICANT WEATHER ADVISORY FOR...
SOUTH CENTRAL BROWARD COUNTY
* UNTIL 330 PM EDT
* AT 258 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR PEMBROKE PINES...AND MOVING EAST AT 10
MPH.
* THE STORM WILL AFFECT...
SOUTHWEST RANCHES...
PEMBROKE PINES...
COOPER CITY...
AND SURROUNDING COMMUNITIES.
THE PRIMARY IMPACTS WILL BE UP TO NICKEL SIZED HAIL AND OCCASIONAL
LIGHTNING STRIKES. LIGHTNING IS THE NUMBER ONE WEATHER RELATED
KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. SEEK
SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES.
LAT...LON 2610 8021 2599 8021 2597 8032 2597 8047
2616 8046
TIME...MOT...LOC 1903Z 292DEG 11KT 2602 8036
TINGLERSpecial weather statement, Apr 29, 3:06 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 306 PM EDT FRI APR 29 2011 FLZ073-074-173-291930- METROPOLITAN MIAMI DADE FL-INLAND MIAMI-DADE FL-COASTAL MIAMI- DADE COUNTY FL- 306 PM EDT FRI APR 29 2011 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SIGNIFICANT WEATHER ADVISORY FOR... NORTHEASTERN MIAMI-DADE COUNTY * UNTIL 330 PM EDT * AT 304 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR HIALEAH...AND MOVING EAST AT 20 MPH. * THE STORM WILL AFFECT... HIALEAH... OPA-LOCKA... LITTLE HAITI... MIAMI SHORES... NORTH MIAMI... AND SURROUNDING COMMUNITIES. THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND UP TO NICKEL SIZED HAIL. LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES. LAT...LON 2577 8019 2568 8041 2595 8041 2595 8014 TIME...MOT...LOC 1906Z 252DEG 16KT 2586 8029 TINGLER
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 3:03 PM EDT | Special Weather Statement | MFL | Broward | 27 min |
| Apr 29, 3:23 PM EDT | Special Weather Statement | MFL | Miami-Dade | 52 min |
| Apr 29, 3:33 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 27 min |
| Apr 29, 3:34 PM EDT | Special Marine Warning | MFL | 56 min | |
| Apr 29, 3:54 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 27 min |
| Apr 29, 4:02 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| Apr 29, 4:08 PM EDT | Special Marine Warning | MFL | 67 min | |
| Apr 29, 4:13 PM EDT | Special Weather Statement | MFL | Broward | 47 min |
| Apr 29, 4:46 PM EDT | Areal Flood Advisory | MFL | Broward, Palm Beach | 119 min |
| Apr 29, 4:47 PM EDT | Special Weather Statement | MFL | Hendry | 43 min |
| Apr 29, 4:53 PM EDT | Special Weather Statement | MFL | Broward | 82 min |
| Apr 29, 5:00 PM EDT | Special Weather Statement | MFL | Miami-Dade | 30 min |
| Apr 29, 5:09 PM EDT | Special Marine Warning | MFL | 66 min | |
| Apr 29, 5:25 PM EDT | Special Weather Statement | MFL | Hendry | 65 min |
| Apr 29, 5:38 PM EDT | Special Weather Statement | MFL | Palm Beach | 22 min |
| Apr 29, 6:04 PM EDT | Special Weather Statement | MFL | Broward | 56 min |
| Apr 29, 6:10 PM EDT | Special Marine Warning | MFL | 65 min | |
| Apr 29, 6:18 PM EDT | Special Weather Statement | MFL | Collier | 57 min |
| Apr 29, 6:23 PM EDT | Severe Thunderstorm Warning | MFL | Collier, Hendry | 27 min |
| Apr 29, 7:03 PM EDT | Special Weather Statement | MFL | Miami-Dade | 42 min |
| Apr 29, 7:04 PM EDT | Special Weather Statement | MFL | Collier | 41 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.