Alert archive / Florida / Special Marine Warnings in 2019

Special Marine Warning 21, NWS Key West, FL

January 27, 2019

NWS Key West, FL issued this special marine warning at Jan 27, 2019, 11:34 PM EST. 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 counties it named.

The facts

Issued: Jan 27, 2019, 11:34 PM EST (04:34 UTC)
Expired: Jan 28, 2019, 12:15 AM EST
In force: 41 min
Issued by: NWS Key West, FL
Area: Storm-based polygon
Hail: 0.0 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 Key West, FL wrote its last area forecast discussion before this special marine warning went out at Jan 27, 10:43 PM EST, 51 minutes earlier.

Area forecast discussion, Jan 27, 10:43 PM EST, 51 minutes before

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Hazardous weather outlook, Jan 27, 5:15 AM EST, 18 hours 19 minutes before

Hazardous Weather Outlook
National Weather Service Key West FL
515 AM EST Sun Jan 27 2019

FLZ076>078-GMZ031>035-042>044-052>055-072>075-281015-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
Bayside and Gulf side from Craig Key to west end of Seven Mile
Bridge-
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge 20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas 20 to 60 NM out-
515 AM EST Sun Jan 27 2019

This Hazardous Weather Outlook is for the Florida Keys and
adjacent coastal waters.

.DAY ONE...TODAY AND TONIGHT

...Some strong thunderstorms possible this afternoon and this
   evening...
...Locally heavy rainfall possible...
...Small Craft Advisory in effect for Hawk Channel and the Straits
   this morning and likely for all Keys coastal waters tonight...

A snake like warm front near the island chain early
this morning will lift northward into extreme south Florida later
today. Meanwhile, a low pressure system will develop in the
extreme Southeast Gulf of Mexico, and intensity as it tracks
across our area tonight, before exiting off the southeast Florida
coast early Monday morning. Subsequently, scattered thunderstorms
are expected to develop by this afternoon, some of which may be
strong with winds in excess of 40 mph. Thereafter, a pre-frontal
squall line will be preceded and accompanied by a wide swath of
showers and embedded thunderstorms this evening and early tonight.
Some wind gusts of 45 to 50 mph. Mariners and residents should be
alert for advisories and possible warning issued by your National
Weather Service right here in Key West.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A Small Craft Advisory will likely be needed for a portion of our
marine district early Monday morning, before winds abate
appreciably by afternoon. Otherwise, no hazardous weather is
expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Local storm report, Jan 27, 6:19 PM EST, 5 hours 15 minutes before

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The office that day

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

Issued	Product	Office	Lasted
Jan 27, 10:01 PM EST	Special Marine Warning	KEY	29 min
Jan 27, 10:28 PM EST	Special Marine Warning	KEY	62 min
Jan 27, 11:08 PM EST	Special Marine Warning	KEY	24 min
Jan 28, 12:25 AM EST	Special Marine Warning	KEY	50 min
Jan 28, 1:38 AM EST	Special Marine Warning	KEY	40 min
Jan 28, 4:18 PM EST	Small Craft Advisory	KEY	12 hr

Nearby

Special Marine Warnings in Florida, 2019 Every special marine warning in 2019

Sources

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