Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Melbourne, FL

April 29, 2014Volusia County, Florida

NWS Melbourne, FL issued this special weather statement at Apr 29, 2014, 7:34 PM EDT for Volusia County, Florida. It was in force for 41 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, 2014, 7:34 PM EDT (23:34 UTC)
Expired: Apr 29, 2014, 8:15 PM EDT
In force: 41 min
Issued by: NWS Melbourne, FL

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 120 km from the middle of the area, began a volume at 23:38 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, 11.6 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: 739 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 1127 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 Apr 29, 3:44 PM EDT, 3 hours 50 minutes earlier.

Area forecast discussion, Apr 29, 3:44 PM EDT, 3 hours 50 minutes before

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Hazardous weather outlook, Apr 29, 4:05 AM EDT, 15 hours 29 minutes before

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In the hours before

Special weather statement, Apr 29, 4:21 PM EDT, 3 hours 13 minutes before

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Special weather statement, Apr 29, 5:02 PM EDT, 2 hours 32 minutes before

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Special weather statement, Apr 29, 5:45 PM EDT, 1 hour 49 minutes before

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Special weather statement, Apr 29, 6:16 PM EDT, 1 hour 18 minutes before

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Special weather statement, Apr 29, 6:38 PM EDT, 56 minutes before

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Special weather statement, Apr 29, 7:34 PM EDT, 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
Apr 29, 3:17 PM EDT	Special Weather Statement	MLB	Indian River	43 min
Apr 29, 4:21 PM EDT	Special Weather Statement	MLB	Saint Lucie	39 min
Apr 29, 5:02 PM EDT	Special Weather Statement	MLB	Lake	43 min
Apr 29, 5:45 PM EDT	Special Weather Statement	MLB	Lake	45 min
Apr 29, 6:16 PM EDT	Special Weather Statement	MLB	Osceola	44 min
Apr 29, 6:24 PM EDT	Severe Thunderstorm Warning	MLB	Orange	51 min
Apr 29, 6:38 PM EDT	Special Weather Statement	MLB	Orange	37 min
Apr 29, 7:02 PM EDT	Areal Flood Advisory	MLB	Orange, Osceola, Seminole	118 min
Apr 29, 7:40 PM EDT	Special Marine Warning	MLB		95 min

Nearby

Special Weather Statements in Florida, 2014 Every special weather statement in 2014

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.