Alert archive / Florida / Special Weather Statements in 2011
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Jun 30, 2011, 3:05 PM EDT for Broward County, Florida. It was in force for 25 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
- Jun 30, 2011, 3:05 PM EDT (19:05 UTC)
- Expired
- Jun 30, 2011, 3:30 PM EDT
- In force
- 25 min
- Issued by
- NWS Miami, FL
County Broward County, FL
The radar
The Miami radar (KAMX), 59 km from the middle of the area, began a volume at 19:08 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 33 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
- 1771 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 827 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 39 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 Jun 30, 2:52 PM EDT, 13 minutes earlier.
Area forecast discussion, Jun 30, 2:52 PM EDT, 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 252 PM EDT THU JUN 30 2011 .DISCUSSION... WIDESPREAD CLOUDINESS AND TROPICAL MOISTURE CONTINUE ACROSS SOUTH FLORIDA AND ADJACENT WATERS. A MID TO UPPER LEVEL TROUGH CONTINUES TO BUILD INTO THE SOUTHEAST U.S. AND IS NOW EXTENDING INTO THE FLORIDA PENINSULA. SOUTHERLY TO SOUTHWESTERLY FLOW CONTINUES TO BRING MOISTURE ACROSS THE REGION...ALTHOUGH SOME DRIER LOWER LEVEL AIR MIGHT BE MAKING ITS WAY INTO THE LOCAL ATLANTIC WATERS TO THE SOUTHEAST OF BISCAYNE BAY. BREAKS IN THE CLOUDINESS ACROSS THE REGION HAS ALLOWED TEMPERATURES THIS AFTERNOON TO CLIMB INTO THE UPPER 80S TO NEAR 90...WITH AFTERNOON CONVECTION STARTING TO GET ACTIVE ACROSS THE PENINSULA. LATEST GUIDANCE CONTINUES TO INDICATE THAT SOME DRIER LOWER LEVEL AIR COULD BUILD INTO THE SOUTHERN PORTIONS OF THE CWA...WHILE DEEPER LAYER MOISTURE WILL LINGER ACROSS THE NORTHERN PART OF THE CWA AND INTO CENTRAL FLORIDA. THESE FEATURES ARE EXPECTED TO PERSIST INTO FRIDAY AND INTO THE WEEKEND...WITH THE AFOREMENTIONED MID TO UPPER LEVEL TROUGH FORECAST TO CONTINUE SINKING SOUTHWARD ACROSS THE REGION. THEREFORE SCATTERED SHOWERS AND THUNDERSTORMS...MAINLY IN THE AFTERNOON AND EVENING...ARE FORECAST FOR FRIDAY AND INTO THE WEEKEND. BUT THERE IS A LOT OF UNCERTAINTY IN THE FORECAST...GIVEN THE UNCERTAINTY OF THE INFLUENCE OF THE UPPER LEVEL TROUGH ON THE REGION AND JUST HOW FAR NORTHWARD THE LOWER LEVEL DRIER AIR MIGHT PENETRATE INTO THE REGION. 60 && .MARINE... THE PRESSURE GRADIENT ACROSS THE REGION IS FORECAST TO BE WEAK THROUGH THE FORECAST PERIOD WITH WINDS NEAR 10 KNOTS OR LESS WITH MAINLY TRANQUIL SEAS. && .FIRE WEATHER... NO FIRE WEATHER CONCERNS. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 75 88 75 87 / 40 50 30 40 FORT LAUDERDALE 78 89 78 87 / 30 40 30 40 MIAMI 77 89 76 88 / 30 40 30 40 NAPLES 75 87 75 89 / 30 50 30 40 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && DISCUSSION/MARINE...60/BD AVIATION/RADAR/FIRE...85/AG
Hazardous weather outlook, Jun 30, 3:33 AM EDT, 11 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 333 AM EDT THU JUN 30 2011 FLZ063-066>075-168-172>174-302245- 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- 333 AM EDT THU JUN 30 2011 ...A FEW STRONG THUNDERSTORMS POSSIBLE TODAY... ...LOCALLY HEAVY RAINFALL POSSIBLE... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON THROUGH THE EARLY EVENING. A FEW OF THE THUNDERSTORMS COULD BECOME STRONG, CONTAINING FREQUENT LIGHTING STRIKES AND STRONG GUSTY WINDS. HEAVY RAINS WILL ACCOMPANY THE STORMS AS WELL. WIND: THE STRONGEST THUNDERSTORMS TODAY WILL BE CAPABLE OF PRODUCING WIND GUSTS TO AROUND 50 MPH. FLOODING: LOCALLY HEAVY RAINFALL WILL BE POSSIBLE IN SOME SHOWERS AND THUNDERSTORMS THROUGH THIS EVENING. SLOW STORM MOVEMENT MAY RESULT IN MINOR STREET FLOODING IN SOME LOCALES. RIP CURRENTS: THERE IS A SLIGHT RISK OF RIP CURRENTS AT THE LOCAL ATLANTIC BEACHES DUE TO A SOUTHEAST WIND NEAR 10 MPH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THUNDERSTORMS ARE EXPECTED TO DEVELOP EACH DAY...WITH THE PRIMARY RISK BEING LIGHTNING STRIKES...GUSTY WINDS AND HEAVY DOWNPOURS. .SPOTTER INFORMATION STATEMENT... 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, Jun 30, 2:34 PM EDT, 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 234 PM EDT THU JUN 30 2011 FLZ071>074-301900- INLAND BROWARD COUNTY FL INLAND MIAMI-DADE COUNTY FL METRO BROWARD COUNTY FL METROPOLITAN MIAMI DADE FL 234 PM EDT THU JUN 30 2011 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SIGNIFICANT WEATHER ADVISORY FOR... SOUTH CENTRAL BROWARD COUNTY NORTHEASTERN MIAMI-DADE COUNTY * UNTIL 300 PM EDT * AT 230 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR CORAL GABLES. THIS STORM WAS MOVING NORTHEAST AROUND 5 MPH. FREQUENT LIGHTNING...GUSTY WINDS FROM 45 T0 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. LAT...LON 2612 8053 2610 8019 2575 8025 2577 8044 TIME...MOT...LOC 1833Z 180DEG 0KT 2572 8026 85-GIBBS
Special weather statement, Jun 30, 2:37 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
237 PM EDT THU JUN 30 2011
FLZ067-068-072-168-172-301900-
COASTAL BROWARD COUNTY FL COASTAL PALM BEACH COUNTY FL INLAND PALM
BEACH COUNTY FL METRO BROWARD COUNTY FL METRO PALM BEACH COUNTY FL
237 PM EDT THU JUN 30 2011
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* SIGNIFICANT WEATHER ADVISORY FOR...
NORTHEASTERN BROWARD COUNTY
SOUTHEASTERN PALM BEACH COUNTY
* UNTIL 300 PM EDT
* AT 230 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR BOCA RATON...AND MOVING NORTHEAST AT 5
MPH.
* THE STORM WILL AFFECT...
RURAL SOUTHEASTERN PALM BEACH COUNTY
AND SURROUNDING COMMUNITIES.
FREQUENT LIGHTNING...GUSTY WINDS FROM 45 T0 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.
LAT...LON 2650 8005 2643 8005 2640 8006 2639 8006
2626 8007 2628 8023 2655 8017 2653 8004
TIME...MOT...LOC 1837Z 225DEG 4KT 2639 8009
85-GIBBSSpecial weather statement, Jun 30, 3:05 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 9:54 PM EDT | Special Marine Warning | MFL | 53 min | |
| Jun 30, 2:34 PM EDT | Special Weather Statement | MFL | Broward | 26 min |
| Jun 30, 2:37 PM EDT | Special Weather Statement | MFL | Palm Beach | 23 min |
| Jun 30, 2:40 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 35 min |
| Jun 30, 3:12 PM EDT | Special Marine Warning | MFL | 63 min | |
| Jun 30, 3:16 PM EDT | Special Weather Statement | MFL | Miami-Dade | 29 min |
| Jun 30, 3:29 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 31 min |
| Jun 30, 3:31 PM EDT | Special Weather Statement | MFL | Miami-Dade | 59 min |
| Jun 30, 3:45 PM EDT | Special Marine Warning | MFL | 45 min | |
| Jun 30, 3:53 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 22 min |
| Jun 30, 4:32 PM EDT | Special Weather Statement | MFL | Palm Beach | 28 min |
| Jun 30, 4:36 PM EDT | Special Marine Warning | MFL | 54 min | |
| Jun 30, 4:58 PM EDT | Special Marine Warning | MFL | 33 min | |
| Jun 30, 4:58 PM EDT | Special Weather Statement | MFL | Miami-Dade | 32 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.