Alert archive / Florida / Areal Flood Warnings in 2016

Areal Flood Warning 8, NWS Melbourne, FL

October 6, 20164 counties in Florida

NWS Melbourne, FL issued this areal flood warning at Oct 6, 2016, 9:21 PM EDT for 4 counties in Florida. It was in force for 84 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 6, 2016, 9:21 PM EDT (01:21 UTC)
Expired
Oct 6, 2016, 10:45 PM EDT
In force
84 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Flood severity
None

Counties Lake County, FL, Orange County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 100 km from the middle of the area, began a volume at 01:24 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 00:00Z, 1.4 hours before the alert went out and 156 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-pSkew-T log-p diagram, Tampa Bay, FL at 00:00Z on 2016-10-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 450 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2016-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -54 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
450 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
686 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-54 m²/s²
0-3 km storm-relative helicity
4 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 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 Oct 6, 5:16 PM EDT, 4 hours 5 minutes earlier.

Area forecast discussion, Oct 6, 5:16 PM EDT, 4 hours 5 minutes before
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Hazardous weather outlook, Oct 6, 4:50 AM EDT, 16 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
450 AM EDT THU OCT 6 2016

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-071200-
FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20 NM-VOLUSIA-
BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20 NM-
SEBASTIAN INLET TO JUPITER INLET 0-20 NM-FLAGLER BEACH TO VOLUSIA-
BREVARD COUNTY LINE 20-60 NM-VOLUSIA-
BREVARD COUNTY LINE TO SEBASTIAN INLET 20-60 NM-
SEBASTIAN INLET TO JUPITER INLET 20-60 NM-INLAND VOLUSIA COUNTY-
NORTHERN LAKE COUNTY-ORANGE-SEMINOLE-SOUTHERN BREVARD COUNTY-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-SOUTHERN LAKE COUNTY-
NORTHERN BREVARD COUNTY-
450 AM EDT THU OCT 6 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

FOR DETAILED INFORMATION REGARDING WEATHER HAZARDS ASSOCIATED WITH
MAJOR HURRICANE MATTHEW AS IT MAKES A CLOSE APPROACH ALONG OR NEAR
THE EAST CENTRAL FLORIDA COAST FROM LATE TODAY INTO TONIGHT, PLEASE
REFER TO THE LATEST HURRICANE LOCAL STATEMENT FROM THE NATIONAL
WEATHER SERVICE IN MELBOURNE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
IMPACTS FROM MAJOR HURRICANE MATTHEW ARE EXPECTED TO LINGER THROUGH
LATE FRIDAY NIGHT. CONTINUE TO REFER TO HURRICANE LOCAL STATEMENTS
ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN MELBOURNE.

.SPOTTER INFORMATION STATEMENT...
FORMAL ACTIVATION OF SKYWARN SPOTTER NETWORKS WILL BE REQUIRED LATE
TODAY THROUGH FRIDAY NIGHT. AN AMATEUR RADIO OPERATOR WILL BE
REPORTING TO THE NATIONAL WEATHER SERVICE OFFICE LATER TODAY.

CRISTALDI

In the hours before

Local storm report, Oct 6, 8:04 PM EDT, 1 hour 17 minutes before
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Local storm report, Oct 6, 8:08 PM EDT, 1 hour 13 minutes before
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Local storm report, Oct 6, 8:13 PM EDT, 1 hour 8 minutes before
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Local storm report, Oct 6, 8:21 PM EDT, 1 hour before
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Local storm report, Oct 6, 8:56 PM EDT, 25 minutes before
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Local storm report, Oct 6, 9:05 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
905 PM EDT THU OCT 06 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0853 PM     TROPICAL STORM   VERO BEACH AIRPORT      27.66N 80.41W
10/06/2016                   INDIAN RIVER       FL   ASOS

            VERO BEACH AIRPORT ASOS MEASURED A WIND GUST OF 36 KT/41
            MPH FROM THE NORTH.

&&

JC

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 9:44 PM EDTRiver Flood WarningMLBSeminole31 hr
Oct 6, 11:07 PM EDTAreal Flood WarningMLBLake, Orange, Seminole, Volusia83 min
Oct 7, 2:46 AM EDTAreal Flood WarningMLBBrevard, Indian River, Saint Lucie3 hr
Oct 7, 5:26 AM EDTExtreme Wind WarningMLBBrevard109 min
Oct 7, 5:43 AM EDTAreal Flood WarningMLBBrevard, Seminole, Volusia3 hr
Oct 7, 8:36 AM EDTAreal Flood WarningMLBBrevard, Seminole, Volusia3 hr
Oct 7, 11:43 AM EDTAreal Flood WarningMLBVolusia3 hr
Oct 7, 3:59 PM EDTCoastal Flood AdvisoryMLBVolusia24 hr
Oct 7, 4:26 PM EDTSmall Craft AdvisoryMLB9 days

Nearby

Areal Flood Warnings in Florida, 2016Every areal flood warning in 2016

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.