Alert archive / Florida / Special Weather Statements in 2011

Special Weather Statement, NWS Miami, FL

June 17, 2011Palm Beach County, Florida

NWS Miami, FL issued this special weather statement at Jun 17, 2011, 3:36 PM EDT for Palm Beach County, Florida. It was in force for 39 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 17, 2011, 3:36 PM EDT (19:36 UTC)
Expired: Jun 17, 2011, 4:15 PM EDT
In force: 39 min
Issued by: NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 110 km from the middle of the area, began a volume at 19:37 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, 7.6 hours before the alert went out and 90 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2398 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 759 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -44 m²/s²
0-3 km storm-relative helicity: -56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 17, 2:40 PM EDT, 56 minutes earlier.

Area forecast discussion, Jun 17, 2:40 PM EDT, 56 minutes before

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Hazardous weather outlook, Jun 17, 4:47 AM EDT, 10 hours 49 minutes before

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In the hours before

Special weather statement, Jun 17, 3:36 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
336 PM EDT FRI JUN 17 2011

FLZ067-172015-
INLAND PALM BEACH COUNTY FL
336 PM EDT FRI JUN 17 2011

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  WESTERN AND CENTRAL RURAL PALM BEACH COUNTY

* UNTIL 415 PM EDT

* AT 331 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  RAPIDLY DEVELOPING THUNDERSTORM 13 MILES EAST OF OKEELANTA...AND
  MOVING NORTHWEST AT 5 MPH.

* THE STORM WILL AFFECT...
  RURAL CENTRAL PALM BEACH COUNTY AND STATE ROAD 880.

ADDITIONAL STRONG THUNDERSTORMS MAY DEVELOP FURTHER TO THE NORTH
ACROSS NORTH CENTRAL RURAL PALM BEACH COUNTY. THESE STORMS COULD
MOVE INTO THE SOUTH BAY...BELLE GLADE...AND PAHOKEE AREAS BY
430 PM.

FREQUENT TO EXCESSIVE 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.

RESIDENTS NEAR THE PATH OF SHOULD REMAIN ON THE ALERT FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.

LAT...LON 2656 8077 2685 8042 2656 8036 2641 8054
TIME...MOT...LOC 1934Z 148DEG 6KT 2654 8051

GREGORIA

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 16, 8:10 PM EDT	Special Weather Statement	MFL	Collier	50 min
Jun 17, 3:43 PM EDT	Special Weather Statement	MFL	Collier	47 min
Jun 17, 4:23 PM EDT	Special Weather Statement	MFL	Hendry	37 min
Jun 17, 4:30 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	37 min
Jun 17, 4:33 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	42 min
Jun 17, 4:57 PM EDT	Special Marine Warning	MFL		2 hr
Jun 17, 5:06 PM EDT	Special Weather Statement	MFL	Palm Beach	24 min
Jun 17, 5:12 PM EDT	Severe Thunderstorm Warning	MFL	Glades, Hendry, Palm Beach	38 min
Jun 17, 5:34 PM EDT	Special Weather Statement	MFL	Glades	26 min
Jun 17, 5:57 PM EDT	Special Weather Statement	MFL	Glades	48 min
Jun 17, 6:01 PM EDT	Severe Thunderstorm Warning	MFL	Glades, Hendry	59 min
Jun 17, 6:30 PM EDT	Areal Flood Advisory	MFL	Glades, Hendry	109 min
Jun 17, 7:01 PM EDT	Special Weather Statement	MFL	Hendry	29 min

Nearby

Special Weather Statements in Florida, 2011 Every 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.