Alert archive / Florida / Special Weather Statements in 2011

Special Weather Statement, NWS Melbourne, FL

January 6, 2011Martin County, Okeechobee County, Saint Lucie County, Florida

NWS Melbourne, FL issued this special weather statement at Jan 6, 2011, 8:30 AM EST for Martin County, Okeechobee County, Saint Lucie County, Florida. It was in force for 60 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: Jan 6, 2011, 8:30 AM EST (13:30 UTC)
Expired: Jan 6, 2011, 9:30 AM EST
In force: 60 min
Issued by: NWS Melbourne, FL

Counties Martin County, FL, Okeechobee County, FL, Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 88 km from the middle of the area, began a volume at 13:31 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

Tampa Bay, FL (KTBW), launched 12:00Z, 1.5 hours before the alert went out and 173 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: 616 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 488 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.0

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 Melbourne, FL wrote its last area forecast discussion before this special weather statement went out at Jan 6, 3:10 AM EST, 5 hours 20 minutes earlier.

Area forecast discussion, Jan 6, 3:10 AM EST, 5 hours 20 minutes before

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Hazardous weather outlook, Jan 6, 4:19 AM EST, 4 hours 11 minutes before

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In the hours before

Special weather statement, Jan 6, 6:44 AM EST, 1 hour 46 minutes before

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Special weather statement, Jan 6, 7:29 AM EST, 1 hour 1 minute before

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Local storm report, Jan 6, 8:09 AM EST, 21 minutes before

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Special weather statement, Jan 6, 8:30 AM EST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 6, 6:44 AM EST	Special Weather Statement	MLB	Indian River	46 min
Jan 6, 7:00 AM EST	Special Marine Warning	MLB		90 min
Jan 6, 7:29 AM EST	Special Weather Statement	MLB	Indian River, Okeechobee, Saint Lucie	61 min
Jan 6, 9:27 AM EST	Special Marine Warning	MLB		93 min
Jan 6, 9:30 AM EST	Special Weather Statement	MLB	Martin, Saint Lucie	90 min
Jan 6, 2:30 PM EST	Fire Weather Watch	MLB	Lake, Orange, Osceola, Seminole, Volusia	13 hr

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.