Alert archive / Florida / Areal Flood Advisories in 2011

Areal Flood Advisory 13, NWS Melbourne, FL

June 19, 2011Lake County, Florida

NWS Melbourne, FL issued this areal flood advisory at Jun 19, 2011, 6:34 PM EDT for Lake County, Florida. It was in force for 116 min.

The area

The counties it named.

The facts

Issued: Jun 19, 2011, 6:34 PM EDT (22:34 UTC)
Expired: Jun 19, 2011, 8:30 PM EDT
In force: 116 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

County Lake County, FL

The radar

The Melbourne radar (KMLB), 126 km from the middle of the area, began a volume at 22:34 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.6 hours before the alert went out and 123 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: 770 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 933 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory 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 areal flood advisory went out at Jun 19, 2:25 PM EDT, 4 hours 9 minutes earlier.

Area forecast discussion, Jun 19, 2:25 PM EDT, 4 hours 9 minutes before

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Hazardous weather outlook, Jun 19, 10:55 AM EDT, 7 hours 39 minutes before

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In the hours before

Special weather statement, Jun 19, 2:28 PM EDT, 4 hours 6 minutes before

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Special weather statement, Jun 19, 3:35 PM EDT, 2 hours 59 minutes before

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Special weather statement, Jun 19, 4:26 PM EDT, 2 hours 8 minutes before

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Special weather statement, Jun 19, 5:40 PM EDT, 54 minutes before

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Special weather statement, Jun 19, 6:22 PM EDT, 12 minutes before

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Special weather statement, Jun 19, 6:29 PM EDT, 5 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
Jun 18, 8:15 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange	45 min
Jun 18, 8:39 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Osceola	36 min
Jun 18, 8:59 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	31 min
Jun 18, 9:18 PM EDT	Special Weather Statement	MLB	Brevard	27 min
Jun 18, 9:26 PM EDT	Areal Flood Advisory	MLB	Brevard	2 hr
Jun 19, 4:26 PM EDT	Special Weather Statement	MLB	Saint Lucie	49 min
Jun 19, 5:40 PM EDT	Special Weather Statement	MLB	Osceola	65 min
Jun 19, 6:22 PM EDT	Special Weather Statement	MLB	Osceola	53 min
Jun 19, 6:29 PM EDT	Special Weather Statement	MLB	Lake	61 min
Jun 19, 7:10 PM EDT	Special Weather Statement	MLB	Orange	65 min
Jun 19, 7:26 PM EDT	Areal Flood Advisory	MLB	Orange, Osceola	2 hr
Jun 19, 7:30 PM EDT	Severe Thunderstorm Warning	MLB	Orange	60 min

Nearby

Areal Flood Advisories in Florida, 2011 Every areal flood advisory 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.