Alert archive / Florida / Special Marine Warnings in 2018

Special Marine Warning 13, NWS Melbourne, FL

April 10, 2018

NWS Melbourne, FL issued this special marine warning at Apr 10, 2018, 12:55 PM EDT. It was in force for 65 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: Apr 10, 2018, 12:55 PM EDT (16:55 UTC)
Expired: Apr 10, 2018, 2:00 PM EDT
In force: 65 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 34.0 mph

What forecasters said that day

The local office's own words before this special marine 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 special marine warning went out at Apr 10, 10:10 AM EDT, 2 hours 45 minutes earlier.

Area forecast discussion, Apr 10, 10:10 AM EDT, 2 hours 45 minutes before

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Hazardous weather outlook, Apr 10, 9:18 AM EDT, 3 hours 37 minutes before

Hazardous Weather Outlook
National Weather Service Melbourne FL
918 AM EDT Tue Apr 10 2018

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-110130-
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-
918 AM EDT Tue Apr 10 2018

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
A frontal boundary will combine with deep moisture and instability
to produce a high coverage of rain and lightning storms. Scattered
to numerous showers and storms ongoing across Lake and Volusia
counties this morning will shift southward across Seminole,
Orange, Osceola and Brevard counties later this morning and early
afternoon and the Treasure coast and Okeechobee county by late
afternoon. A few strong storms will occur mainly from the Cape and
Orlando southward containing wind gusts around 50 mph and small
hail. Cooler temperatures aloft may also produce more frequent
lightning strikes.

Isolated threat of damaging hail and wind gusts up to 60 mph this
afternoon.

.FLOOD IMPACT...
Heavy rains will occur over Lake and Volusia counties where one
to two inches of rain fell overnight. Additional amounts of one to
two inches are expected with locally up to 4 inches possible.
Farther south across Orlando metro and the Space and Treasure
coasts, widespread rainfall amounts of one half to one inch are
expected with locally higher amounts near 2 inches. The torrential
rains will produce temporary flooding of some roads and poor
drainage areas especially in Lake and Volusia counties.

.RIP CURRENT IMPACT...
A Moderate Risk of rip currents will exist at the beaches of east
central Florida. Always swim within sight of a lifeguard and
never swim alone.

.MARINE THUNDERSTORM GUST IMPACT...
Scattered to numerous lightning storms are forecast to push
offshore around 20 knots, initially north of the Cape this morning
then shifting south of the Cape from mid day into the afternoon.
The primary threats to boaters on inland lakes, the intracoastal
and Atlantic waters will be wind gusts 35 to 45 knots and frequent
lightning strikes. Be aware of storms approaching from the west.

.WIND AND SEA IMPACT...
A surge of north winds will spread southward over the local
Atlantic waters overnight and Wednesday behind a cold front.
Boating conditions will become hazardous.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
Hazardous boating conditions will exist on Wednesday with seas 7
to 8 feet in the Gulf Stream.

A strong cold front is forecast to cross the area Sunday or Sunday
night and bring a risk of lightning storms containing gusty winds
and heavy rain.

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

Kelly/Smith

In the hours before

Special weather statement, Apr 10, 10:53 AM EDT, 2 hours 2 minutes before

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Local storm report, Apr 10, 11:46 AM EDT, 1 hour 9 minutes before

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Special weather statement, Apr 10, 11:53 AM EDT, 1 hour 2 minutes before

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Special weather statement, Apr 10, 12:47 PM EDT, 8 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 9, 9:43 PM EDT	Areal Flood Advisory	MLB	Lake, Volusia	92 min
Apr 9, 11:56 PM EDT	Areal Flood Advisory	MLB	Lake, Volusia	2 hr
Apr 10, 3:54 AM EDT	Small Craft Advisory	MLB		54 hr
Apr 10, 6:43 AM EDT	Areal Flood Advisory	MLB	Lake, Volusia	2 hr
Apr 10, 10:53 AM EDT	Special Weather Statement	MLB	Orange	37 min
Apr 10, 11:16 AM EDT	Severe Thunderstorm Warning	MLB	Orange, Osceola	29 min
Apr 10, 11:35 AM EDT	Severe Thunderstorm Warning	MLB	Orange, Osceola	40 min
Apr 10, 11:53 AM EDT	Special Weather Statement	MLB	Brevard, Orange, Osceola	82 min
Apr 10, 12:22 PM EDT	Special Marine Warning	MLB		53 min
Apr 10, 12:47 PM EDT	Special Weather Statement	MLB	Indian River, Okeechobee, Saint Lucie	88 min
Apr 10, 12:59 PM EDT	Special Weather Statement	MLB	Brevard	61 min
Apr 10, 1:54 PM EDT	Special Marine Warning	MLB		51 min
Apr 10, 2:00 PM EDT	Special Weather Statement	MLB	Indian River, Okeechobee, Saint Lucie	60 min
Apr 10, 2:31 PM EDT	Special Marine Warning	MLB		59 min
Apr 10, 3:16 PM EDT	Special Weather Statement	MLB	Martin	44 min
Apr 10, 3:23 PM EDT	Special Marine Warning	MLB		82 min

Nearby

Special Marine Warnings in Florida, 2018 Every special marine warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.