Alert archive / Maine / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Caribou, ME

June 19, 2021Aroostook County, Maine

NWS Caribou, ME issued this severe thunderstorm warning at Jun 19, 2021, 4:12 PM EDT for Aroostook County, Maine. It was in force for 63 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 19, 2021, 4:12 PM EDT (20:12 UTC)
Expired: Jun 19, 2021, 5:15 PM EDT
In force: 63 min
Issued by: NWS Caribou, ME
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

County Aroostook County, ME

The radar

The Caribou radar (KCBW), 21 km from the middle of the area, began a volume at 20:12 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, 8.2 hours before the alert went out and 113 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 549 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 181 m²/s²
0-3 km storm-relative helicity: 178 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

042 
WUUS51 KCAR 192012
SVRCAR
MEC003-192115-
/O.NEW.KCAR.SV.W.0010.210619T2012Z-210619T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Caribou ME
412 PM EDT Sat Jun 19 2021

The National Weather Service in Caribou Maine has issued a

* Severe Thunderstorm Warning for...
  Southeastern Aroostook County in northern Maine...

* Until 515 PM EDT.

* At 412 PM EDT, a severe thunderstorm was located 9 miles east of
  Sherman, or 14 miles southeast of Patten, moving east at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is possible. Expect wind 
           damage to trees and power lines.

* Locations impacted include...
  Sherman, Island Falls, Amity, Haynesville, Cary Plantation,
  Crystal, Weston, Orient, Bancroft, Glenwood, Forkstown, North Amity
  and Silver Ridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact the National Weather Service office
in Caribou Maine, by calling 1-800-909-
5970 or visit https://inws.ncep.noaa.gov/report.

If on or near an open body of water, get away from the water and 
move indoors or inside a vehicle. Remember, lightning can strike out 
to 15 miles from the parent thunderstorm. If you can hear thunder, 
you are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 4590 6777 4588 6781 4586 6780 4583 6776
      4580 6781 4576 6781 4575 6779 4573 6778
      4572 6781 4584 6834 4600 6831 4598 6778
      4594 6778 4592 6775
TIME...MOT...LOC 2012Z 278DEG 25KT 4587 6821 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

Cornwell

3 follow-up statements

193 
WWUS51 KCAR 192038
SVSCAR

Severe Weather Statement
National Weather Service Caribou ME
438 PM EDT Sat Jun 19 2021

MEC003-192115-
/O.CON.KCAR.SV.W.0010.000000T0000Z-210619T2115Z/
Aroostook ME-
438 PM EDT Sat Jun 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHEASTERN AROOSTOOK COUNTY...

At 437 PM EDT, a severe thunderstorm was located over Haynesville, or
15 miles north of Danforth, moving east at 30 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and power lines.

Locations impacted include...
Amity, Haynesville, Cary Plantation, Weston, Orient, Bancroft,
Glenwood, Forkstown and North Amity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

If on or near an open body of water, get away from the water and 
move indoors or inside a vehicle. remember, lightning can strike out 
to 15 miles from the parent thunderstorm. If you can hear thunder, 
you are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 4590 6777 4588 6781 4586 6780 4583 6776
      4580 6781 4576 6781 4575 6779 4573 6778
      4572 6781 4581 6820 4591 6816 4597 6806
      4598 6778 4594 6778 4592 6775
TIME...MOT...LOC 2037Z 276DEG 28KT 4586 6798 

HAIL...1.00IN
WIND...60MPH
 
$$

Cornwell

799 
WWUS51 KCAR 192053
SVSCAR

Severe Weather Statement
National Weather Service Caribou ME
453 PM EDT Sat Jun 19 2021

MEC003-192115-
/O.CON.KCAR.SV.W.0010.000000T0000Z-210619T2115Z/
Aroostook ME-
453 PM EDT Sat Jun 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHEASTERN AROOSTOOK COUNTY...

At 452 PM EDT, a severe thunderstorm was located near Amity, or 13
miles north of Danforth, moving east at 30 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and power lines.

Locations impacted include...
Amity, Haynesville, Cary Plantation, Weston, Orient, Bancroft, North
Amity and Forkstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4590 6777 4588 6781 4586 6780 4583 6776
      4580 6781 4576 6781 4575 6779 4573 6778
      4572 6781 4577 6803 4597 6794 4598 6778
      4594 6778 4592 6775
TIME...MOT...LOC 2052Z 286DEG 28KT 4585 6782 

HAIL...1.00IN
WIND...60MPH
 
$$

Cornwell

038 
WWUS51 KCAR 192114
SVSCAR

Severe Weather Statement
National Weather Service Caribou ME
514 PM EDT Sat Jun 19 2021

MEC003-192124-
/O.EXP.KCAR.SV.W.0010.000000T0000Z-210619T2115Z/
Aroostook ME-
514 PM EDT Sat Jun 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN AROOSTOOK COUNTY
WILL EXPIRE AT 515 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4590 6777 4588 6781 4586 6780 4583 6776
      4580 6781 4576 6781 4575 6779 4573 6778
      4572 6781 4577 6803 4597 6794 4598 6778
      4594 6778 4592 6775
TIME...MOT...LOC 2114Z 278DEG 25KT 4583 6762 

$$

Cornwell

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 1:43 PM EDT	Special Weather Statement	CAR		32 min
Jun 19, 2:17 PM EDT	Special Weather Statement	CAR	Aroostook	28 min
Jun 19, 2:51 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	24 min
Jun 19, 3:19 PM EDT	Areal Flood Advisory	CAR	Aroostook	42 min
Jun 19, 3:27 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot	48 min
Jun 19, 3:35 PM EDT	Special Weather Statement	CAR	Waldo	40 min
Jun 19, 3:41 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot, Piscataquis	64 min
Jun 19, 3:44 PM EDT	Severe Thunderstorm Warning	CAR	Hancock, Penobscot, Piscataquis	61 min
Jun 19, 4:49 PM EDT	Beach Hazards Statement	CAR	Hancock, Washington	27 hr
Jun 19, 4:57 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	18 min
Jun 19, 5:17 PM EDT	Special Marine Warning	CAR		58 min
Jun 19, 5:26 PM EDT	Severe Thunderstorm Warning	CAR	Hancock	64 min
Jun 19, 5:28 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	48 min
Jun 19, 5:38 PM EDT	Areal Flood Advisory	CAR	Aroostook	45 min
Jun 19, 6:12 PM EDT	Special Marine Warning	CAR		47 min

Nearby

Severe Thunderstorm Warnings in Maine, 2021 Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.