Alert archive / Maine / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Caribou, ME
NWS Caribou, ME issued this severe thunderstorm warning at May 16, 2021, 5:42 PM EDT for Hancock County, Washington County, Maine. It was in force for 48 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
- May 16, 2021, 5:42 PM EDT (21:42 UTC)
- Expired
- May 16, 2021, 6:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Caribou, ME
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hancock County, ME, Washington County, ME
The radar
The Caribou radar (KCBW), 143 km from the middle of the area, began a volume at 21:41 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
Gray, ME (KGYX), launched 12:00Z, 9.7 hours before the alert went out and 192 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
- 2 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 2443 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
644
WUUS51 KCAR 162142
SVRCAR
MEC009-029-162230-
/O.NEW.KCAR.SV.W.0002.210516T2142Z-210516T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Caribou ME
542 PM EDT Sun May 16 2021
The National Weather Service in Caribou Maine has issued a
* Severe Thunderstorm Warning for...
West central Washington County in southeastern Maine...
East central Hancock County in southeastern Maine...
* Until 630 PM EDT.
* At 542 PM EDT, a severe thunderstorm was located 9 miles northwest
of Deblois, or 18 miles northwest of Cherryfield, moving northeast
at 10 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...
Deblois, Franklin, Mariaville, Eastbrook, Waltham, Amherst, Aurora
and Beddington.
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.
&&
LAT...LON 4464 6819 4480 6840 4488 6830 4494 6815
4479 6792
TIME...MOT...LOC 2142Z 236DEG 8KT 4480 6819
HAIL...1.00IN
WIND...60MPH
$$
Cornwell2 follow-up statements
754 WWUS51 KCAR 162209 SVSCAR Severe Weather Statement National Weather Service Caribou ME 609 PM EDT Sun May 16 2021 MEC009-029-162230- /O.CON.KCAR.SV.W.0002.000000T0000Z-210516T2230Z/ Washington ME-Hancock ME- 609 PM EDT Sun May 16 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR WEST CENTRAL WASHINGTON AND EAST CENTRAL HANCOCK COUNTIES... At 608 PM EDT, a severe thunderstorm was located near Deblois, or 15 miles northwest of Cherryfield, moving east at 10 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Deblois, Franklin, Mariaville, Eastbrook, Waltham, Aurora and Beddington. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact the National Weather Service office in Caribou Maine, by calling 1-800-909- 5970 or visit https://inws.ncep.noaa.gov/report. && LAT...LON 4477 6836 4491 6810 4479 6792 4464 6819 TIME...MOT...LOC 2208Z 249DEG 7KT 4478 6812 HAIL...<.75IN WIND...60MPH $$ Cornwell
592
WWUS51 KCAR 162222
SVSCAR
Severe Weather Statement
National Weather Service Caribou ME
622 PM EDT Sun May 16 2021
MEC009-029-162232-
/O.EXP.KCAR.SV.W.0002.000000T0000Z-210516T2230Z/
Washington ME-Hancock ME-
622 PM EDT Sun May 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL WASHINGTON AND
EAST CENTRAL HANCOCK COUNTIES WILL EXPIRE AT 630 PM EDT...
The storm which prompted the warning has weakened below severe
limits, but some cloud to ground lightning and heavy downpours are
still likely. Therefore, the warning will be allowed to expire.
LAT...LON 4477 6836 4491 6810 4479 6792 4464 6819
TIME...MOT...LOC 2222Z 236DEG 8KT 4479 6809
$$
CornwellThe office that day
Everything else NWS Caribou, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 1:04 PM EDT | Special Weather Statement | CAR | Hancock | 26 min |
| May 16, 1:46 PM EDT | Special Weather Statement | CAR | Aroostook | 29 min |
| May 16, 2:33 PM EDT | Special Weather Statement | CAR | Aroostook | 27 min |
| May 16, 3:25 PM EDT | Special Weather Statement | CAR | Penobscot | 35 min |
| May 16, 3:59 PM EDT | Special Weather Statement | CAR | Aroostook | 31 min |
| May 16, 4:38 PM EDT | Special Weather Statement | CAR | Hancock | 37 min |
| May 16, 4:42 PM EDT | Severe Thunderstorm Warning | CAR | Hancock, Penobscot | 36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.