Alert archive / Maine / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 5, NWS Caribou, ME
NWS Caribou, ME issued this severe thunderstorm warning at Jun 6, 2021, 4:41 PM EDT for Penobscot County, Piscataquis County, Maine. It was in force for 49 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 6, 2021, 4:41 PM EDT (20:41 UTC)
- Expired
- Jun 6, 2021, 5:30 PM EDT
- In force
- 49 min
- Issued by
- NWS Caribou, ME
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Penobscot County, ME, Piscataquis County, ME
The radar
The Caribou radar (KCBW), 124 km from the middle of the area, began a volume at 20:43 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 5:15 PM EDT | TSTM WND DMG | Lagrange, ME | TREES DOWN IN LAGRANGE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Gray, ME (KGYX), launched 12:00Z, 8.7 hours before the alert went out and 183 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.
- Mixed-layer CAPE
- 68 J/kg
- Mixed-layer CIN
- -250 J/kg
- Mixed-layer LCL
- 1358 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
225 WUUS51 KCAR 062041 SVRCAR MEC019-021-062130- /O.NEW.KCAR.SV.W.0005.210606T2041Z-210606T2130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Caribou ME 441 PM EDT Sun Jun 6 2021 The National Weather Service in Caribou Maine has issued a * Severe Thunderstorm Warning for... Southeastern Piscataquis County in north central Maine... South central Penobscot County in east central Maine... * Until 530 PM EDT. * At 440 PM EDT, a severe thunderstorm was located near Orneville, or 11 miles west of Howland, moving southeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * Locations impacted include... Old Town, Howland, Milo, Orneville, Milford, Enfield, Greenbush, Bradford, Brownville, Alton, Lagrange, Sebec, Passadumkeag, Lowell, Atkinson, Argyle, Medford, Maxfield, Costigan and Boyd Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4523 6906 4533 6896 4516 6843 4497 6864 TIME...MOT...LOC 2040Z 302DEG 21KT 4523 6889 HAIL...0.75IN WIND...60MPH $$ MStrauser
4 follow-up statements
725
WWUS51 KCAR 062048
SVSCAR
Severe Weather Statement
National Weather Service Caribou ME
448 PM EDT Sun Jun 6 2021
MEC019-021-062130-
/O.CON.KCAR.SV.W.0005.000000T0000Z-210606T2130Z/
Piscataquis ME-Penobscot ME-
448 PM EDT Sun Jun 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHEASTERN PISCATAQUIS AND SOUTH CENTRAL PENOBSCOT COUNTIES...
At 448 PM EDT, a severe thunderstorm was located near Orneville, or
10 miles west of Howland, moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines.
Locations impacted include...
Old Town, Howland, Milo, Orneville, Milford, Greenbush, Bradford,
Alton, Lagrange, Passadumkeag, Argyle, Medford, Maxfield, Costigan
and Boyd Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4520 6900 4530 6890 4513 6846 4497 6864
TIME...MOT...LOC 2048Z 306DEG 21KT 4519 6886
HAIL...1.00IN
WIND...60MPH
$$
MStrauser685
WWUS51 KCAR 062101
SVSCAR
Severe Weather Statement
National Weather Service Caribou ME
501 PM EDT Sun Jun 6 2021
MEC021-062111-
/O.CAN.KCAR.SV.W.0005.000000T0000Z-210606T2130Z/
Piscataquis ME-
501 PM EDT Sun Jun 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PISCATAQUIS
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4513 6890 4514 6890 4514 6886 4520 6887
4523 6883 4524 6881 4511 6848 4497 6864
TIME...MOT...LOC 2101Z 309DEG 20KT 4514 6879
$$
MEC019-062130-
/O.CON.KCAR.SV.W.0005.000000T0000Z-210606T2130Z/
Penobscot ME-
501 PM EDT Sun Jun 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTH CENTRAL PENOBSCOT COUNTY...
At 501 PM EDT, a severe thunderstorm was located 7 miles east of
Orneville, or 9 miles southwest of Howland, moving southeast at 25
mph.
HAZARD...70 mph wind gusts and ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Old Town, Howland, Milford, Greenbush, Bradford, Alton, Lagrange,
Passadumkeag, Argyle and Costigan.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4513 6890 4514 6890 4514 6886 4520 6887
4523 6883 4524 6881 4511 6848 4497 6864
TIME...MOT...LOC 2101Z 309DEG 20KT 4514 6879
HAIL...1.50IN
WIND...70MPH
$$
MStrauser796
WWUS51 KCAR 062113
SVSCAR
Severe Weather Statement
National Weather Service Caribou ME
513 PM EDT Sun Jun 6 2021
MEC019-062130-
/O.CON.KCAR.SV.W.0005.000000T0000Z-210606T2130Z/
Penobscot ME-
513 PM EDT Sun Jun 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTH CENTRAL PENOBSCOT COUNTY...
At 512 PM EDT, a severe thunderstorm was located 10 miles northwest
of Indian Island, or 11 miles south of Howland, moving southeast at
25 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Old Town, Milford, Greenbush, Bradford, Alton, Lagrange,
Passadumkeag, Argyle and Costigan.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4511 6888 4521 6878 4510 6849 4497 6864
TIME...MOT...LOC 2112Z 308DEG 21KT 4509 6874
HAIL...1.00IN
WIND...70MPH
$$
MStrauser089
WWUS51 KCAR 062130
SVSCAR
Severe Weather Statement
National Weather Service Caribou ME
530 PM EDT Sun Jun 6 2021
MEC019-062140-
/O.EXP.KCAR.SV.W.0005.000000T0000Z-210606T2130Z/
Penobscot ME-
530 PM EDT Sun Jun 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PENOBSCOT COUNTY
HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire. However gusty winds are still possible with
this thunderstorm.
LAT...LON 4511 6888 4521 6878 4510 6849 4497 6864
TIME...MOT...LOC 2130Z 302DEG 21KT 4504 6863
$$
MStrauserThe office that day
Everything else NWS Caribou, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 8:09 PM EDT | Special Weather Statement | CAR | Washington | 36 min |
| Jun 6, 2:33 PM EDT | Heat Advisory | CAR | Aroostook, Penobscot, Piscataquis | 27 hr |
| Jun 6, 3:47 PM EDT | Special Weather Statement | CAR | Penobscot | 28 min |
| Jun 6, 4:25 PM EDT | Special Weather Statement | CAR | Penobscot | 50 min |
| Jun 6, 5:30 PM EDT | Special Weather Statement | CAR | Hancock | 30 min |
| Jun 6, 6:12 PM EDT | Special Weather Statement | CAR | Washington | 33 min |
Nearby
Severe Thunderstorm Warnings in Maine, 2021Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.