Alert archive / Maine / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 6, NWS Caribou, ME
NWS Caribou, ME issued this severe thunderstorm warning at Jun 19, 2021, 2:51 PM EDT for Aroostook County, Maine. It was in force for 24 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 19, 2021, 2:51 PM EDT (18:51 UTC)
- Expired
- Jun 19, 2021, 3:15 PM EDT
- In force
- 24 min
- Issued by
- NWS Caribou, ME
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Aroostook County, ME
The radar
The Caribou radar (KCBW), 148 km from the middle of the area, began a volume at 18:51 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 19, 3:12 PM EDT | HAIL 1.25 | 2 Ese Madawaska, ME | VIA SOCIAL MEDIA REPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Caribou, ME (KCAR), launched 12:00Z, 6.9 hours before the alert went out and 55 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
- 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
The text
As transmitted.
505
WUUS51 KCAR 191851
SVRCAR
MEC003-191915-
/O.NEW.KCAR.SV.W.0006.210619T1851Z-210619T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Caribou ME
251 PM EDT Sat Jun 19 2021
The National Weather Service in Caribou Maine has issued a
* Severe Thunderstorm Warning for...
Northern Aroostook County in northern Maine...
* Until 315 PM EDT.
* At 250 PM EDT, a severe thunderstorm was located near Madawaska,
moving northeast 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...
Madawaska, Frenchville and Grand Isle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4735 6827 4736 6823 4734 6821 4733 6818
4733 6816 4731 6815 4729 6812 4726 6827
4735 6838 4736 6835 4736 6828
TIME...MOT...LOC 1850Z 244DEG 24KT 4734 6825
HAIL...1.00IN
WIND...60MPH
$$
Cornwell2 follow-up statements
617
WWUS51 KCAR 191901
SVSCAR
Severe Weather Statement
National Weather Service Caribou ME
301 PM EDT Sat Jun 19 2021
MEC003-191915-
/O.CON.KCAR.SV.W.0006.000000T0000Z-210619T1915Z/
Aroostook ME-
301 PM EDT Sat Jun 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHERN AROOSTOOK COUNTY...
At 301 PM EDT, a severe thunderstorm was located near Madawaska,
moving northeast at 20 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines.
Locations impacted include...
Madawaska, Frenchville and Grand Isle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4735 6827 4736 6823 4734 6821 4733 6818
4733 6816 4731 6815 4729 6812 4726 6827
4735 6838 4736 6835 4736 6828
TIME...MOT...LOC 1901Z 246DEG 17KT 4735 6819
HAIL...1.25IN
WIND...60MPH
$$
Cornwell121
WWUS51 KCAR 191914
SVSCAR
Severe Weather Statement
National Weather Service Caribou ME
314 PM EDT Sat Jun 19 2021
MEC003-191923-
/O.EXP.KCAR.SV.W.0006.000000T0000Z-210619T1915Z/
Aroostook ME-
314 PM EDT Sat Jun 19 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN AROOSTOOK COUNTY WILL
EXPIRE AT 315 PM EDT...
The storm which prompted the warning has weakened below severe
limits, but frequent cloud to ground lightning and heavy downpours
are still likely. Therefore, the warning will be allowed to expire.
LAT...LON 4735 6827 4736 6823 4734 6821 4733 6818
4733 6816 4731 6815 4729 6812 4726 6827
4735 6838 4736 6835 4736 6828
TIME...MOT...LOC 1913Z 244DEG 24KT 4738 6810
$$
CornwellThe 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, 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, 4:12 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook | 63 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, 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.