Alert archive / Maine / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 45, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at Jul 16, 2021, 2:03 PM EDT for Waldo County, Maine. It was in force for 42 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
- Jul 16, 2021, 2:03 PM EDT (18:03 UTC)
- Expired
- Jul 16, 2021, 2:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Waldo County, ME
The radar
The Portland,ME radar (KGYX), 128 km from the middle of the area, began a volume at 18:05 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, 6.1 hours before the alert went out and 128 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
- 153 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1157 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
952
WUUS51 KGYX 161803
SVRGYX
MEC027-161845-
/O.NEW.KGYX.SV.W.0045.210716T1803Z-210716T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
203 PM EDT Fri Jul 16 2021
The National Weather Service in Gray Maine has issued a
* Severe Thunderstorm Warning for...
Central Waldo County in south central Maine...
* Until 245 PM EDT.
* At 203 PM EDT, a severe thunderstorm was located near Liberty, or 7
miles south of Thorndike, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
central Waldo County.
This also includes...
Moose Point State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4449 6878 4445 6878 4441 6884 4436 6881
4435 6882 4425 6887 4423 6879 4419 6880
4443 6939 4465 6928 4456 6880 4454 6880
4456 6876 4454 6877 4455 6878 4451 6878
4451 6876
TIME...MOT...LOC 1803Z 290DEG 30KT 4448 6924
HAIL...1.00IN
WIND...60MPH
$$
DS2 follow-up statements
747
WWUS51 KGYX 161818
SVSGYX
Severe Weather Statement
National Weather Service Gray ME
218 PM EDT Fri Jul 16 2021
MEC027-161845-
/O.CON.KGYX.SV.W.0045.000000T0000Z-210716T1845Z/
Waldo ME-
218 PM EDT Fri Jul 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR CENTRAL WALDO COUNTY...
At 217 PM EDT, a severe thunderstorm was located near Belfast, moving
east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Belfast, Lincolnville, Searsport, Liberty, Stockton Springs,
Islesboro, Prospect, Knox, Frankfort, Brooks, Jackson, Morrill,
Northport, Belmont, Searsmont, Montville, Waldo, Swanville and
Monroe.
This also includes...
Moose Point State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4449 6878 4445 6878 4441 6884 4436 6881
4425 6887 4424 6886 4423 6879 4419 6880
4441 6934 4462 6914 4456 6880 4454 6880
4456 6877 4455 6877 4451 6878 4451 6876
TIME...MOT...LOC 1817Z 279DEG 34KT 4448 6904
HAIL...1.00IN
WIND...60MPH
$$
DS160
WWUS51 KGYX 161834
SVSGYX
Severe Weather Statement
National Weather Service Gray ME
234 PM EDT Fri Jul 16 2021
MEC027-161845-
/O.CON.KGYX.SV.W.0045.000000T0000Z-210716T1845Z/
Waldo ME-
234 PM EDT Fri Jul 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTHEASTERN WALDO COUNTY...
At 233 PM EDT, a severe thunderstorm was located near Stockton
Springs, or 7 miles northeast of Searsport, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Belfast, Lincolnville, Searsport, Stockton Springs, Islesboro,
Prospect, Frankfort, Brooks, Northport, Belmont, Swanville, Waldo,
Monroe and Searsmont.
This also includes...
Moose Point State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4449 6878 4445 6878 4445 6880 4444 6880
4441 6884 4435 6881 4425 6887 4423 6882
4423 6879 4419 6880 4433 6914 4460 6904
4456 6879 4456 6877 4455 6877 4456 6880
4451 6878 4451 6876
TIME...MOT...LOC 1833Z 259DEG 38KT 4452 6879
HAIL...1.00IN
WIND...60MPH
$$
DSThe office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 9:42 PM EDT | Dense Fog Advisory | GYX | Cumberland, Kennebec, Knox, Lincoln, Sagadahoc, Waldo | 8 hr |
| Jul 16, 3:19 AM EDT | Heat Advisory | GYX | York | 15 hr |
| Jul 16, 11:49 AM EDT | Special Weather Statement | GYX | Kennebec | 26 min |
| Jul 16, 12:15 PM EDT | Special Weather Statement | GYX | Waldo | 30 min |
| Jul 16, 1:51 PM EDT | Special Weather Statement | GYX | Waldo | 39 min |
| Jul 16, 2:15 PM EDT | Special Marine Warning | GYX | 60 min | |
| Jul 16, 3:11 PM EDT | Special Weather Statement | GYX | Knox | 49 min |
| Jul 16, 4:51 PM EDT | Special Weather Statement | GYX | York | 24 min |
| Jul 16, 5:22 PM EDT | Special Marine Warning | GYX | 23 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.