Alert archive / Maine / Special Marine Warnings in 2021

Special Marine Warning 7, NWS Caribou, ME

July 20, 2021

NWS Caribou, ME issued this special marine warning at Jul 20, 2021, 6:10 PM EDT. It was in force for 35 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
Jul 20, 2021, 6:10 PM EDT (22:10 UTC)
Expired
Jul 20, 2021, 6:45 PM EDT
In force
35 min
Issued by
NWS Caribou, ME
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 Caribou, ME wrote its last area forecast discussion before this special marine warning went out at Jul 20, 5:42 PM EDT, 28 minutes earlier.

Area forecast discussion, Jul 20, 5:42 PM EDT, 28 minutes before
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Hazardous weather outlook, Jul 20, 5:47 PM EDT, 23 minutes before
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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, Jul 20, 3:16 PM EDT, 2 hours 54 minutes before
Special Weather Statement
National Weather Service Caribou ME
316 PM EDT Tue Jul 20 2021

MEZ011-015>017-029-202015-
Interior Hancock-Coastal Hancock-Southern Penobscot-Central
Washington-Central Penobscot-
316 PM EDT Tue Jul 20 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WEST CENTRAL
WASHINGTON...NORTHERN HANCOCK AND SOUTHEASTERN PENOBSCOT COUNTIES...

At 315 PM EDT, radar indicated strong thunderstorms were located
along a line extending from 8 miles northeast of Grand Falls to near
Dedham. Movement was southeast at 20 mph.

Winds in excess of 40 mph and penny size hail are possible with these
storms.

Locations impacted include...
Ellsworth, Bucksport, Brewer, Dedham, Grand Falls, Franklin,
Orrington, Holden, Milford, Eddington, Bradley, Clifton, Otis,
Mariaville, Eastbrook, Burlington, Waltham, Amherst, Aurora and Great
Pond.

This includes the following highways...
 US Highway 1 near Ellsworth.
 State Highway 9 between East Eddington and Junction 193.

Heavy downpours may cause ponding of water on roadways.

LAT...LON 4473 6875 4532 6822 4511 6776 4447 6831
TIME...MOT...LOC 1915Z 315DEG 16KT 4520 6819 4473 6861

LF
Special weather statement, Jul 20, 4:13 PM EDT, 1 hour 57 minutes before
Special Weather Statement
National Weather Service Caribou ME
413 PM EDT Tue Jul 20 2021

MEZ016-017-029-030-202045-
Interior Hancock-Coastal Hancock-Coastal Washington-Central
Washington-
413 PM EDT Tue Jul 20 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN WASHINGTON
AND CENTRAL HANCOCK COUNTIES...

At 412 PM EDT, radar indicated strong thunderstorms were located
along a line extending from 15 miles southwest of Grand Lake Stream
to near Ellsworth. Movement was southeast at 20 mph.

Winds in excess of 40 mph and half inch hail are possible with these
storms.

Locations impacted include...
Ellsworth, Bar Harbor, Blue Hill, Cherryfield, Dedham, Steuben,
Columbia Falls, Columbia, Deblois, Centerville, Penobscot Township,
Hancock, Franklin, Orland, Gouldsboro, Lamoine, Trenton, Surry,
Sullivan and Otis.

This includes the following highways...
 US Highway 1 between Ellsworth and Gouldsboro, and near
Cherryfield.
 State Highway 9 near Junction 193.

Heavy downpours may cause ponding of water on roadways.

LAT...LON 4453 6872 4506 6801 4484 6753 4430 6829
TIME...MOT...LOC 2012Z 311DEG 19KT 4497 6791 4452 6853

LF
Special weather statement, Jul 20, 4:52 PM EDT, 1 hour 18 minutes before
Special Weather Statement
National Weather Service Caribou ME
452 PM EDT Tue Jul 20 2021

MEZ017-029-030-202130-
Coastal Hancock-Coastal Washington-Central Washington-
452 PM EDT Tue Jul 20 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN WASHINGTON
AND SOUTHEASTERN HANCOCK COUNTIES...

At 451 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Centerville to 7 miles northwest of
Bar Harbor. Movement was east at 30 mph.

Winds in excess of 40 mph and half inch hail are possible with these
storms.

Locations impacted include...
Ellsworth, Bar Harbor, Blue Hill, Machias, Cherryfield, Jonesport,
Steuben, Harrington, Jonesboro, Columbia Falls, Columbia, Deblois,
Centerville, Millbridge, Hancock, Franklin, Gouldsboro, Lamoine,
Trenton and Surry.

This includes US Highway 1 between Ellsworth and Machias.

Heavy downpours may cause ponding of water on roadways.

Persons in campgrounds should consider seeking sturdy shelter until
these storms pass.

LAT...LON 4445 6862 4465 6818 4468 6804 4471 6804
      4482 6779 4471 6731 4430 6808
TIME...MOT...LOC 2051Z 274DEG 24KT 4473 6775 4445 6833

LF

The office that day

Everything else NWS Caribou, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 20, 3:16 PM EDTSpecial Weather StatementCARHancock59 min
Jul 20, 4:13 PM EDTSpecial Weather StatementCARHancock32 min
Jul 20, 4:52 PM EDTSpecial Weather StatementCARHancock38 min
Jul 20, 5:40 PM EDTSpecial Marine WarningCAR35 min

Nearby

Special Marine Warnings in Maine, 2021Every special marine warning in 2021

Sources

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