Alert archive / Maine / Special Weather Statements in 2021

Special Weather Statement, NWS Caribou, ME

June 30, 2021Penobscot County, Maine

NWS Caribou, ME issued this special weather statement at Jun 30, 2021, 9:21 AM EDT for Penobscot County, Maine. It was in force for 39 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
Jun 30, 2021, 9:21 AM EDT (13:21 UTC)
Expired
Jun 30, 2021, 10:00 AM EDT
In force
39 min
Issued by
NWS Caribou, ME

County Penobscot County, ME

The radar

The Caribou radar (KCBW), 51 km from the middle of the area, began a volume at 13:20 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

Caribou, ME (KCAR), launched 12:00Z, 1.4 hours before the alert went out and 144 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, Caribou, ME at 12:00Z on 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Caribou, ME at 12:00Z on 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.19395878Sfc1 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
8 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
430 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 Caribou, ME wrote its last area forecast discussion before this special weather statement went out at Jun 30, 7:03 AM EDT, 2 hours 18 minutes earlier.

Area forecast discussion, Jun 30, 7:03 AM EDT, 2 hours 18 minutes before
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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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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Hazardous weather outlook, Jun 30, 4:29 AM EDT, 4 hours 52 minutes before
Hazardous Weather Outlook
National Weather Service Caribou ME
429 AM EDT Wed Jun 30 2021

MEZ001>003-010830-
Northwest Aroostook-Northeast Aroostook-Northern Somerset-
429 AM EDT Wed Jun 30 2021

This Hazardous Weather Outlook is for Far Northern Maine and North
Woods Maine.

.DAY ONE...Today and Tonight.

Thunderstorms may become strong this afternoon with gusty winds and
heavy rain.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

MEZ004>006-010-011-015>017-031-032-010830-
Northern Piscataquis-Northern Penobscot-Southeast Aroostook-
Central Piscataquis-Central Penobscot-Southern Penobscot-
Interior Hancock-Central Washington-Southern Piscataquis-
Northern Washington-
429 AM EDT Wed Jun 30 2021

This Hazardous Weather Outlook is for Central Highlands Maine, Far
Eastern Maine, Interior DownEast Maine, North Woods Maine and
Penobscot Valley Maine.

.DAY ONE...Today and Tonight.

Scattered strong to severe thunderstorms will be possible this
morning and afternoon. Storms may contain damaging winds, small hail,
and heavy rain.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

ANZ050>052-010830-
Coastal Waters from Eastport, ME to Schoodic Point, ME out 25 NM-
Coastal Waters from Schoodic Point, ME to Stonington, ME out 25 NM-
Intra Coastal Waters from Schoodic Point, ME to Stonington, ME-
429 AM EDT Wed Jun 30 2021

This Hazardous Weather Outlook is for Atlantic Coastal Waters.

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

MEZ029-030-010830-
Coastal Hancock-Coastal Washington-
429 AM EDT Wed Jun 30 2021

This Hazardous Weather Outlook is for Coastal DownEast Maine.

.DAY ONE...Today and Tonight.

Strong to severe thunderstorms will be possible this afternoon.
Storms may contain gusty winds, small hail, and heavy rainfall. An
isolated damaging wind gusts is also possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

In the hours before

Special weather statement, Jun 30, 8:04 AM EDT, 1 hour 17 minutes before
Special Weather Statement
National Weather Service Caribou ME
804 AM EDT Wed Jun 30 2021

MEZ004>006-301230-
Southeast Aroostook-Northern Piscataquis-Northern Penobscot-
804 AM EDT Wed Jun 30 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT EAST CENTRAL
PISCATAQUIS AND NORTH CENTRAL PENOBSCOT COUNTIES...

At 804 AM EDT, radar indicated strong thunderstorms were located
along a line extending from Katahdin Woods and Waters National
Monument to near Mount Katahdin to 7 miles south of Ripogenus.
Movement was east at 45 mph.

Wind gusts of 50 to 55 mph are possible with these storms.

Locations impacted include...
Patten, Mount Katahdin, Sherman, Mount Chase, Katahdin Woods and
Waters National Monument, Baxter State Park, Stacyville, Crystal,
Dyer Brook, Hersey and Katahdin Lake.

This includes State Highway 11 near Patten.

If outdoors, consider seeking shelter inside a building.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4577 6918 4585 6904 4606 6883 4610 6824
      4592 6841 4576 6870 4574 6913
TIME...MOT...LOC 1204Z 260DEG 39KT 4602 6875 4588 6890 4578 6913

Sinko
Special weather statement, Jun 30, 8:26 AM EDT, 55 minutes before
Special Weather Statement
National Weather Service Caribou ME
826 AM EDT Wed Jun 30 2021

MEZ005-006-301300-
Southeast Aroostook-Northern Penobscot-
826 AM EDT Wed Jun 30 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN AROOSTOOK
AND NORTH CENTRAL PENOBSCOT COUNTIES...

At 826 AM EDT, radar indicated strong thunderstorms were located
along a line extending from Patten to 7 miles west of Sherman to 8
miles northwest of Millinocket. Movement was east at 45 mph.

Wind gusts of 50 to 55 mph are possible with these storms.

Locations impacted include...
Patten, Hodgdon, Sherman, Island Falls, Mount Chase, Haynesville,
Sherman Station, southeastern Katahdin Woods and Waters National
Monument, Linneus, Oakfield, Stacyville, Crystal, Dyer Brook, Hersey,
Glenwood, Grindstone, Silver Ridge, Forkstown, Benedicta and Monarda.

This includes the following highways...
 Interstate 95 between mile markers 251 and 281.
 State Highway 11 between Grindstone and Patten.

If outdoors, consider seeking shelter inside a building.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4584 6803 4568 6833 4570 6882 4578 6882
      4585 6870 4607 6851 4607 6787
TIME...MOT...LOC 1226Z 269DEG 39KT 4601 6843 4585 6857 4574 6885

Sinko
Special weather statement, Jun 30, 9:21 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Caribou ME
921 AM EDT Wed Jun 30 2021

MEZ005-006-011-032-301400-
Southeast Aroostook-Central Penobscot-Northern Penobscot-Northern
Washington-
921 AM EDT Wed Jun 30 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN
WASHINGTON...SOUTHEASTERN AROOSTOOK AND EAST CENTRAL PENOBSCOT
COUNTIES...

At 920 AM EDT, radar indicated strong thunderstorms were located
along a line extending from near Amity to 7 miles south of Medway.
Movement was southeast at 45 mph.

Wind gusts of 50 to 55 mph are possible with these storms.

Locations impacted include...
Lincoln, Danforth, Vanceboro, Medway, Springfield, Amity, Topsfield,
Haynesville, Grand Lake Stream, Lakeville, Fowler Township, Dyer
Township, Lincoln Township, Codyville Plantation, Wytopitlock, Reed
Plantation, Enfield, Lee, Mattawamkeag and Chester.

This includes the following highways...
 Interstate 95 between mile markers 225 and 247.
 US Highway 1 between Waite and North Amity.
 State Highway 11 near Medway.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4534 6743 4532 6750 4520 6848 4551 6879
      4595 6783 4591 6776 4588 6781 4582 6776
      4580 6781 4568 6781 4566 6772 4569 6773
      4562 6767 4559 6756 4560 6745 4551 6742
      4549 6751 4542 6747 4538 6742
TIME...MOT...LOC 1320Z 316DEG 38KT 4585 6777 4551 6858

MStrauser

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 8:04 AM EDTSpecial Weather StatementCARPiscataquis26 min
Jun 30, 8:26 AM EDTSpecial Weather StatementCAR34 min
Jun 30, 9:53 AM EDTSevere Thunderstorm WarningCARWashington52 min
Jun 30, 1:35 PM EDTSpecial Marine WarningCAR43 min
Jun 30, 2:25 PM EDTSevere Thunderstorm WarningCARHancock, Penobscot65 min
Jun 30, 3:10 PM EDTSevere Thunderstorm WarningCARHancock50 min
Jun 30, 4:53 PM EDTSevere Thunderstorm WarningCARHancock52 min
Jun 30, 5:03 PM EDTSpecial Marine WarningCAR57 min
Jun 30, 5:31 PM EDTSevere Thunderstorm WarningCARAroostook, Washington29 min
Jun 30, 7:49 PM EDTSpecial Weather StatementCARAroostook41 min

Nearby

Special Weather Statements in Maine, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.