Alert archive / Maine / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 5, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at May 17, 2021, 5:42 PM EDT for Franklin County, Oxford County, Maine. It was in force for 33 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 17, 2021, 5:42 PM EDT (21:42 UTC)
- Expired
- May 17, 2021, 6:15 PM EDT
- In force
- 33 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Franklin County, ME, Oxford County, ME
The radar
The Portland,ME radar (KGYX), 84 km from the middle of the area, began a volume at 21:43 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.
The nearest sounding before it
Gray, ME (KGYX), launched 12:00Z, 9.7 hours before the alert went out and 84 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
- 1631 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- -29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
283
WUUS51 KGYX 172142
SVRGYX
MEC007-017-172215-
/O.NEW.KGYX.SV.W.0005.210517T2142Z-210517T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
542 PM EDT Mon May 17 2021
The National Weather Service in Gray Maine has issued a
* Severe Thunderstorm Warning for...
East central Oxford County in western Maine...
South central Franklin County in western Maine...
* Until 615 PM EDT.
* At 541 PM EDT, a severe thunderstorm was located 7 miles northwest
of Wilton, or 9 miles west of Farmington, moving southeast at 10
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...
Farmington, Jay, Dixfield, Canton, Wilton, Weld, Carthage, Avon,
Town Of Washington, Perkins and Temple.
This also includes...
Mount Blue.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4468 7046 4475 7032 4462 7010 4450 7037
TIME...MOT...LOC 2141Z 329DEG 10KT 4468 7034
HAIL...1.00IN
WIND...60MPH
$$
MSC1 follow-up statement
213
WWUS51 KGYX 172200
SVSGYX
Severe Weather Statement
National Weather Service Gray ME
600 PM EDT Mon May 17 2021
MEC007-017-172215-
/O.CON.KGYX.SV.W.0005.000000T0000Z-210517T2215Z/
Oxford ME-Franklin ME-
600 PM EDT Mon May 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR EASTERN OXFORD AND SOUTH CENTRAL FRANKLIN COUNTIES...
At 558 PM EDT, a severe thunderstorm was located near Wilton, or 7
miles west of Farmington, moving southeast at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Farmington, Dixfield, Wilton, Carthage, Town Of Washington, Perkins
and Temple.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4465 7042 4472 7032 4464 7016 4454 7035
TIME...MOT...LOC 2158Z 329DEG 10KT 4464 7030
HAIL...1.00IN
WIND...60MPH
$$
MSCThe office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 4:03 PM EDT | Special Weather Statement | GYX | Oxford | 27 min |
| May 17, 4:07 PM EDT | Special Weather Statement | GYX | Oxford | 23 min |
| May 17, 4:30 PM EDT | Special Weather Statement | GYX | Oxford | 30 min |
| May 17, 4:34 PM EDT | Special Weather Statement | GYX | Franklin | 26 min |
| May 17, 4:56 PM EDT | Severe Thunderstorm Warning | GYX | Franklin | 34 min |
| May 17, 5:29 PM EDT | Special Weather Statement | GYX | Oxford | 31 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.