Alert archive / Florida / Special Weather Statements in 2017

Special Weather Statement, NWS Melbourne, FL

July 8, 2017Brevard County, Florida

NWS Melbourne, FL issued this special weather statement at Jul 8, 2017, 4:18 PM EDT for Brevard County, Florida. It was in force for 42 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: Jul 8, 2017, 4:18 PM EDT (20:18 UTC)
Expired: Jul 8, 2017, 5:00 PM EDT
In force: 42 min
Issued by: NWS Melbourne, FL

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 25 km from the middle of the area, began a volume at 20:22 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, 8.3 hours before the alert went out and 40 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: 1453 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 950 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jul 8, 3:15 PM EDT, 1 hour 3 minutes earlier.

Area forecast discussion, Jul 8, 3:15 PM EDT, 1 hour 3 minutes before

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Hazardous weather outlook, Jul 8, 10:20 AM EDT, 5 hours 58 minutes before

Hazardous Weather Outlook
National Weather Service Melbourne FL
1020 AM EDT Sat Jul 8 2017

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-090200-
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-
1020 AM EDT Sat Jul 8 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
Increasing moisture will lead to a greater coverage of storms than
in recent days. Scattered storms are expected to form along the east
coast sea breeze by mid afternoon, then increase in coverage through
early evening. Sea and lake breezes along with thunderstorm outflow
boundaries, will interact from late afternoon into early evening.
Coupled with cooler temperatures aloft, this could lead to a few
strong storms, mainly after 500 PM. Wind gusts to 50 MPH or higher,
hail to around 1 inch in diameter, frequent lightning are possible.
Move indoors to safety if skies look threatening or you hear thunder.

.FLOOD IMPACT...
Slow storm motion to the north at 5 to 10 mph will allow for quick 2
or 3 inch downpours in a few of the stronger storms. Considerable
water ponding can be expected on some roadways and other poorly
drained areas.

.RIP CURRENT IMPACT...
A small east swell combined with tidal affects from a full moon
will result in a moderate rip current risk. The ocean may look
very inviting, but the seaward pull from rip currents is expected
to be strong, especially from late morning through late afternoon.
Only swim in the ocean near a lifeguard.

.MARINE THUNDERSTORM GUST IMPACT...
Scattered storms that form over land this afternoon will be
capable of producing gusty winds to around 35 knots. Storms will
mainly affect inland lakes, but some gusty outflow winds could
also reach the intracoastal waters.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
Afternoon shower and thunderstorm chances will remain higher than
normal over much of the area on Sunday. The highest storm coverage
should then shift to the interior early next week.

.SPOTTER INFORMATION STATEMENT...
Spotters are requested to monitor the weather and self activate
if needed.

Lascody/Cristaldi

In the hours before

Special weather statement, Jul 8, 3:12 PM EDT, 1 hour 6 minutes before

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Local storm report, Jul 8, 3:18 PM EDT, 1 hour before

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Local storm report, Jul 8, 3:21 PM EDT, 57 minutes before

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Special weather statement, Jul 8, 3:23 PM EDT, 55 minutes before

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Special weather statement, Jul 8, 3:46 PM EDT, 32 minutes before

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Special weather statement, Jul 8, 4:18 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
Jul 7, 8:10 PM EDT	Special Weather Statement	MLB	Orange	65 min
Jul 7, 8:24 PM EDT	Tornado Warning	MLB	Orange	38 min
Jul 7, 8:27 PM EDT	Tornado Warning	MLB	Osceola	18 min
Jul 7, 9:14 PM EDT	Special Weather Statement	MLB	Seminole	61 min
Jul 8, 12:48 PM EDT	Special Weather Statement	MLB	Lake	27 min
Jul 8, 1:21 PM EDT	Special Weather Statement	MLB	Orange	24 min
Jul 8, 1:56 PM EDT	Special Weather Statement	MLB	Seminole, Volusia	49 min
Jul 8, 3:07 PM EDT	Areal Flood Advisory	MLB	Brevard, Orange, Volusia	83 min
Jul 8, 3:12 PM EDT	Special Weather Statement	MLB	Seminole	33 min
Jul 8, 3:18 PM EDT	Special Marine Warning	MLB		42 min
Jul 8, 3:23 PM EDT	Special Weather Statement	MLB	Seminole	22 min
Jul 8, 3:34 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange, Osceola	56 min
Jul 8, 3:46 PM EDT	Special Weather Statement	MLB	Osceola	59 min
Jul 8, 4:16 PM EDT	Special Marine Warning	MLB		44 min
Jul 8, 4:46 PM EDT	Special Weather Statement	MLB	Osceola	44 min

Nearby

Special Weather Statements in Florida, 2017 Every special weather statement in 2017

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.