Alert archive / Maine / Tornado Warnings in 2021
Tornado Warning 1, NWS Caribou, ME
NWS Caribou, ME issued this tornado warning at Jun 21, 2021, 3:39 PM EDT for Aroostook County, Piscataquis County, Maine. It was in force for 36 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 21, 2021, 3:39 PM EDT (19:39 UTC)
- Expired
- Jun 21, 2021, 4:15 PM EDT
- In force
- 36 min
- Issued by
- NWS Caribou, ME
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Aroostook County, ME, Piscataquis County, ME
The radar
The Caribou radar (KCBW), 126 km from the middle of the area, began a volume at 19:39 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, 7.7 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1363 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
717
WFUS51 KCAR 211939
TORCAR
MEC003-021-212015-
/O.NEW.KCAR.TO.W.0001.210621T1939Z-210621T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Caribou ME
339 PM EDT Mon Jun 21 2021
The National Weather Service in Caribou Maine has issued a
* Tornado Warning for...
North central Piscataquis County in north central Maine...
Western Aroostook County in northern Maine...
* Until 415 PM EDT.
* At 339 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Tamway, or 16 miles south of Clayton Lake, moving
northeast at 35 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Churchill Dam around 355 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
If on or near an open body of water, get away from the water and
move to safe shelter immediately. If you can hear thunder, you are
close enough to be struck by lightning. Severe thunderstorms can
produce large capsizing waves, even on small bodies of water. Move
into dock and seek safe shelter now! Do not be caught on the water
in a thunderstorm.
&&
LAT...LON 4630 6946 4638 6954 4644 6951 4671 6916
4650 6890
TIME...MOT...LOC 1939Z 232DEG 32KT 4639 6941
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Cornwell1 follow-up statement
550
WWUS51 KCAR 211953
SVSCAR
Severe Weather Statement
National Weather Service Caribou ME
353 PM EDT Mon Jun 21 2021
MEC003-021-212015-
/O.CON.KCAR.TO.W.0001.000000T0000Z-210621T2015Z/
Piscataquis ME-Aroostook ME-
353 PM EDT Mon Jun 21 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR NORTH
CENTRAL PISCATAQUIS AND WESTERN AROOSTOOK COUNTIES...
At 352 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Churchill Dam, or 16 miles southeast of Clayton
Lake, moving northeast at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
north central Piscataquis and western Aroostook Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
To report severe weather, contact the National Weather Service office
in Caribou Maine, by calling 1-800-909-
5970 or visit https://inws.ncep.noaa.gov/report.
&&
LAT...LON 4634 6934 4642 6940 4650 6940 4671 6916
4650 6890
TIME...MOT...LOC 1952Z 238DEG 25KT 4642 6930
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
CornwellThe office that day
Everything else NWS Caribou, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 2:02 PM EDT | Severe Thunderstorm Warning | CAR | Piscataquis, Somerset | 58 min |
| Jun 21, 3:20 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook, Piscataquis, Somerset | 40 min |
| Jun 21, 4:14 PM EDT | Tornado Warning | CAR | Aroostook, Piscataquis | 46 min |
| Jun 21, 4:59 PM EDT | Tornado Warning | CAR | Aroostook | 46 min |
| Jun 21, 5:37 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook | 53 min |
| Jun 21, 5:55 PM EDT | Dense Fog Advisory | CAR | Hancock, Washington | 12 hr |
| Jun 21, 6:29 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook | 31 min |
| Jun 21, 6:34 PM EDT | Areal Flood Advisory | CAR | Aroostook | 103 min |
| Jun 21, 7:44 PM EDT | Special Weather Statement | CAR | Piscataquis | 61 min |
Nearby
Tornado Warnings in Maine, 2021Every tornado warning in 2021Tornadoes 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.