Alert archive / Maine / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 9, NWS Caribou, ME

May 22, 2022Aroostook County, Penobscot County, Maine

NWS Caribou, ME issued this severe thunderstorm warning at May 22, 2022, 5:33 PM EDT for Aroostook County, Penobscot County, Maine. 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 counties it named.

The facts

Issued: May 22, 2022, 5:33 PM EDT (21:33 UTC)
Expired: May 22, 2022, 6:15 PM EDT
In force: 42 min
Issued by: NWS Caribou, ME
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Aroostook County, ME, Penobscot County, ME

The radar

The Caribou radar (KCBW), 63 km from the middle of the area, began a volume at 21:34 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 22, 2:13 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Caribou, ME (KCAR), launched 12:00Z, 9.6 hours before the alert went out and 105 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: 2 J/kg
Mixed-layer CIN: -414 J/kg
Mixed-layer LCL: 600 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 94 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 22, 3:49 PM EDT, 1 hour 44 minutes earlier.

Area forecast discussion, May 22, 3:49 PM EDT, 1 hour 44 minutes before

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Hazardous weather outlook, May 22, 2:14 PM EDT, 3 hours 19 minutes before

Hazardous Weather Outlook
National Weather Service Caribou ME
214 PM EDT Sun May 22 2022

MEZ001>006-010-011-015-031-231815-
Northwest Aroostook-Northeast Aroostook-Northern Somerset-
Northern Piscataquis-Northern Penobscot-Southeast Aroostook-
Central Piscataquis-Central Penobscot-Southern Penobscot-
Southern Piscataquis-
214 PM EDT Sun May 22 2022

...SEVERE THUNDERSTORM WATCH 262 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

Severe thunderstorms are possible across the north today into this
evening. Any of the storms may contain large hail, damaging wind
gusts and heavy rainfall.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

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

MEZ016-017-029-030-032-231815-
Interior Hancock-Central Washington-Coastal Hancock-
Coastal Washington-Northern Washington-
214 PM EDT Sun May 22 2022

This Hazardous Weather Outlook is for Coastal DownEast Maine, Far
Eastern Maine and Interior DownEast Maine.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

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>052-231815-
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-
214 PM EDT Sun May 22 2022

This Hazardous Weather Outlook is for Atlantic Coastal Waters.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

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

Local storm report, May 22, 12:10 PM EDT, 5 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
1210 PM EDT SUN MAY 22 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1134 AM     HAIL             1 E ORIENT              45.82N 67.82W
05/22/2022  E0.25 INCH       AROOSTOOK          ME   TRAINED SPOTTER

            HAIL MOSTLY SMALLER THAN PEA SIZE. TIME
            ESTIMATED BY RADAR.

&&

JS

Local storm report, May 22, 12:27 PM EDT, 5 hours 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
1227 PM EDT SUN MAY 22 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1212 PM     FLOOD            4 SW ORIENT             45.78N 67.91W
05/22/2022                   AROOSTOOK          ME   TRAINED SPOTTER

            VIA SOCIAL MEDIA. FLOODING OF NUMBER 9 ROAD
            IN SELDEN AT LAKE BROOK FROM HEAVY RAIN.
            ROAD IS IMPASSABLE.

&&

JS

Special weather statement, May 22, 12:40 PM EDT, 4 hours 53 minutes before

Special Weather Statement
National Weather Service Caribou ME
1240 PM EDT Sun May 22 2022

MEZ006-011-032-221715-
Southeast Aroostook ME-Central Penobscot ME-Northern Washington ME-
1240 PM EDT Sun May 22 2022

...A strong thunderstorm will impact portions of northwestern
Washington, southeastern Aroostook and northeastern Penobscot
Counties through 115 PM EDT...

At 1239 PM EDT, Doppler radar was tracking a strong thunderstorm near
Wytopitlock, or 10 miles west of Danforth, moving northeast at 40
mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Danforth, Wytopitlock, Reed Plantation, Weston, Prentiss, Orient,
Bancroft, Drew Plantation and Forest City.

This includes US Highway 1 between Danforth and Orient.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4550 6807 4557 6817 4591 6776 4586 6781
      4582 6776 4580 6781 4576 6781 4573 6778
      4573 6781 4570 6780 4569 6782 4568 6780
      4566 6772 4569 6773 4566 6770
TIME...MOT...LOC 1639Z 226DEG 33KT 4560 6804

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

Sinko

Special weather statement, May 22, 2:54 PM EDT, 2 hours 39 minutes before

Special Weather Statement
National Weather Service Caribou ME
254 PM EDT Sun May 22 2022

MEZ004-005-010-221945-
Northern Piscataquis ME-Northern Penobscot ME-Central Piscataquis ME-
254 PM EDT Sun May 22 2022

...A strong thunderstorm will impact portions of east central
Piscataquis and central Penobscot Counties through 345 PM EDT...

At 254 PM EDT, Doppler radar was tracking a strong thunderstorm 13
miles south of Mount Katahdin, moving east at 45 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Millinocket, East Millinocket, Medway, southern Katahdin Woods and
Waters National Monument, Stacyville, Grindstone and Benedicta.

This includes the following highways...
 Interstate 95 between mile markers 247 and 262.
 State Highway 11 near Millinocket, and between Grindstone and
Stacyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm 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.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
northern, north central and east central Maine.

&&

LAT...LON 4582 6908 4588 6843 4581 6842 4564 6843
      4564 6910
TIME...MOT...LOC 1854Z 264DEG 39KT 4572 6898

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

Sinko

Special weather statement, May 22, 4:02 PM EDT, 1 hour 31 minutes before

Special Weather Statement
National Weather Service Caribou ME
402 PM EDT Sun May 22 2022

MEZ001-002-004-222045-
Northern Piscataquis ME-Northeast Aroostook ME-
Northwest Aroostook ME-
402 PM EDT Sun May 22 2022

...A strong thunderstorm will impact portions of northeastern
Piscataquis and central Aroostook Counties through 445 PM EDT...

At 401 PM EDT, Doppler radar was tracking a strong thunderstorm near
Russel Crossing, or 21 miles southwest of Portage, moving northeast
at 30 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Portage, Ashland, Portage Lake, Big Machias Lake, Russel Crossing,
Nashville Plantation, Garfield and Nashville.

This includes State Highway 11 near Portage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm 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.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
northern and north central Maine.

&&

LAT...LON 4643 6884 4653 6898 4686 6860 4670 6832
TIME...MOT...LOC 2001Z 226DEG 24KT 4656 6881

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

Sinko

Special weather statement, May 22, 4:13 PM EDT, 1 hour 20 minutes before

Special Weather Statement
National Weather Service Caribou ME
413 PM EDT Sun May 22 2022

MEZ004-005-010-222100-
Northern Piscataquis ME-Northern Penobscot ME-Central Piscataquis ME-
413 PM EDT Sun May 22 2022

...A strong thunderstorm will impact portions of central Piscataquis
and central Penobscot Counties through 500 PM EDT...

At 412 PM EDT, Doppler radar was tracking a strong thunderstorm near
Frenchtown, or 16 miles south of Ripogenus, moving east at 25 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Greenville, Kokadjo, White Cap Mountain, Frenchtown, southwestern
Katahdin Woods and Waters National Monument, Baxter State Park,
Beaver Cove, Spencer Bay, Katahdin Lake, Lily Bay and Norcross.

This includes State Highway 11 near Norcross.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
north central and east central Maine.

&&

LAT...LON 4549 6962 4576 6963 4593 6876 4554 6878
TIME...MOT...LOC 2012Z 268DEG 22KT 4565 6930

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

LaFlash

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 8:17 PM EDT	Special Weather Statement	CAR	Penobscot	28 min
May 21, 8:23 PM EDT	Special Weather Statement	CAR	Aroostook	37 min
May 22, 12:41 AM EDT	Dense Fog Advisory	CAR	Aroostook, Hancock, Penobscot, Piscataquis, Somerset, Washington	11 hr
May 22, 9:59 AM EDT	Special Weather Statement	CAR	Penobscot	31 min
May 22, 10:06 AM EDT	Special Weather Statement	CAR	Penobscot	24 min
May 22, 10:12 AM EDT	Special Weather Statement	CAR		48 min
May 22, 10:56 AM EDT	Special Weather Statement	CAR		64 min
May 22, 11:30 AM EDT	Special Weather Statement	CAR	Penobscot	45 min
May 22, 12:29 PM EDT	Areal Flood Advisory	CAR	Aroostook	2 hr
May 22, 12:40 PM EDT	Special Weather Statement	CAR		35 min
May 22, 1:44 PM EDT	Severe Thunderstorm Warning	CAR	Piscataquis	46 min
May 22, 2:21 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot, Piscataquis	39 min
May 22, 2:54 PM EDT	Special Weather Statement	CAR	Piscataquis	51 min
May 22, 4:02 PM EDT	Special Weather Statement	CAR	Aroostook	43 min
May 22, 4:13 PM EDT	Special Weather Statement	CAR	Piscataquis	47 min
May 22, 5:04 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot, Piscataquis	41 min
May 22, 5:36 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot, Piscataquis	39 min
May 22, 6:08 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot	40 min
May 22, 6:11 PM EDT	Special Weather Statement	CAR	Penobscot	49 min
May 22, 6:13 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot	11 min
May 22, 6:46 PM EDT	Special Weather Statement	CAR	Waldo	29 min
May 22, 6:48 PM EDT	Special Weather Statement	CAR	Penobscot	42 min
May 22, 7:02 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot	43 min
May 22, 7:36 PM EDT	Special Weather Statement	CAR	Hancock	24 min
May 22, 7:58 PM EDT	Special Weather Statement	CAR	Aroostook	32 min

Nearby

Severe Thunderstorm Warnings in Maine, 2022 Every severe thunderstorm warning in 2022

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.