Alert archive / Florida / Areal Flood Warnings in 2014

Areal Flood Warning 17, NWS Melbourne, FL

November 25, 2014Brevard County, Orange County, Osceola County, Florida

NWS Melbourne, FL issued this areal flood warning at Nov 25, 2014, 5:37 PM EST for Brevard County, Orange County, Osceola County, Florida. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 25, 2014, 5:37 PM EST (22:37 UTC)
Expired: Nov 25, 2014, 9:30 PM EST
In force: 4 hr
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Flood severity: None

Counties Brevard County, FL, Orange County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 44 km from the middle of the area, began a volume at 22:41 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, 10.6 hours before the alert went out and 147 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: 1213 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 612 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 warning went out at Nov 25, 2:55 PM EST, 2 hours 42 minutes earlier.

Area forecast discussion, Nov 25, 2:55 PM EST, 2 hours 42 minutes before

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Hazardous weather outlook, Nov 25, 3:55 PM EST, 1 hour 42 minutes before

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In the hours before

Local storm report, Nov 25, 2:33 PM EST, 3 hours 4 minutes before

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Local storm report, Nov 25, 4:17 PM EST, 1 hour 20 minutes before

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Special weather statement, Nov 25, 4:26 PM EST, 1 hour 11 minutes before

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Local storm report, Nov 25, 4:45 PM EST, 52 minutes before

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Local storm report, Nov 25, 5:22 PM EST, 15 minutes before

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Local storm report, Nov 25, 5:24 PM EST, 13 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
Nov 25, 4:48 AM EST	Small Craft Advisory	MLB		4 days
Nov 25, 6:29 AM EST	Areal Flood Advisory	MLB	Brevard, Orange, Osceola, Volusia	91 min
Nov 25, 9:15 AM EST	Special Weather Statement	MLB	Orange	45 min
Nov 25, 9:47 AM EST	Tornado Warning	MLB	Orange, Osceola	29 min
Nov 25, 10:01 AM EST	Special Weather Statement	MLB	Orange, Seminole	44 min
Nov 25, 10:41 AM EST	Special Weather Statement	MLB	Seminole	49 min
Nov 25, 11:21 AM EST	Flood Watch	MLB	Lake, Orange, Osceola, Seminole, Volusia	25 hr
Nov 25, 11:38 AM EST	Areal Flood Advisory	MLB	Seminole, Volusia	3 hr
Nov 25, 1:54 PM EST	Areal Flood Warning	MLB	Seminole, Volusia	3 hr
Nov 25, 3:06 PM EST	Tornado Warning	MLB	Orange, Osceola	39 min
Nov 25, 3:12 PM EST	Severe Thunderstorm Warning	MLB	Orange, Seminole	25 min
Nov 25, 4:10 PM EST	Areal Flood Advisory	MLB	Brevard, Orange, Osceola	80 min
Nov 25, 4:26 PM EST	Special Weather Statement	MLB	Volusia	34 min
Nov 25, 4:37 PM EST	Special Marine Warning	MLB		53 min
Nov 25, 4:50 PM EST	Areal Flood Warning	MLB	Seminole, Volusia	4 hr
Nov 25, 5:13 PM EST	Special Marine Warning	MLB		2 hr
Nov 25, 5:51 PM EST	Areal Flood Advisory	MLB	Lake	3 hr

Nearby

Areal Flood Warnings in Florida, 2014 Every areal flood warning 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.