Alert archive / Maine / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 152, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at Oct 10, 2020, 4:06 PM EDT for Oxford County, Maine; Coos County, New Hampshire. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 10, 2020, 4:06 PM EDT (20:06 UTC)
- Expired
- Oct 10, 2020, 4:45 PM EDT
- In force
- 39 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Oxford County, ME, Coos County, NH
The radar
The Portland,ME radar (KGYX), 100 km from the middle of the area, began a volume at 20:07 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, 8.1 hours before the alert went out and 100 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
- 1672 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 336 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Gray, ME wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 10, 2:16 PM EDT, 1 hour 50 minutes earlier.
Area forecast discussion, Oct 10, 2:16 PM EDT, 1 hour 50 minutes before
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</html>Hazardous weather outlook, Oct 10, 2:04 PM EDT, 2 hours 2 minutes before
Hazardous Weather Outlook National Weather Service Gray ME 204 PM EDT Sat Oct 10 2020 ANZ150>152-154-111815- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- Penobscot Bay- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 204 PM EDT Sat Oct 10 2020 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...This Afternoon and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Warning. Thunderstorms with gusty winds may move over the waters between 5 pm and 10 pm today. Wind gusts of 35 knots or more will be possible. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. ANZ153-111815- Casco Bay- 204 PM EDT Sat Oct 10 2020 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...This Afternoon and Tonight. Thunderstorms with gusty winds may move over the waters between 5 pm and 10 pm today. Wind gusts of 35 knots or more will be possible. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. MEZ014-018>028-NHZ010>015-111815- Southern Somerset-Interior York-Central Interior Cumberland- Androscoggin-Kennebec-Interior Waldo-Coastal York-Coastal Cumberland- Sagadahoc-Lincoln-Knox-Coastal Waldo-Strafford-Cheshire- Eastern Hillsborough-Interior Rockingham-Coastal Rockingham- Western And Central Hillsborough- 204 PM EDT Sat Oct 10 2020 This Hazardous Weather Outlook is for Maine, south central Maine, southwest Maine, New Hampshire, central New Hampshire and southern New Hampshire. .DAY ONE...This Afternoon and Tonight. Showers and thunderstorms are expected to develop over the forecast area late this afternoon and evening. A few of the storms may contain strong gusty winds. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. MEZ007>009-012-013-033-NHZ001>009-111815- Northern Oxford-Northern Franklin-Central Somerset-Southern Oxford- Southern Franklin-Interior Cumberland Highlands-Northern Coos- Southern Coos-Northern Grafton-Northern Carroll-Southern Grafton- Southern Carroll-Sullivan-Merrimack-Belknap- 204 PM EDT Sat Oct 10 2020 This Hazardous Weather Outlook is for west central Maine, western Maine, central New Hampshire and northern New Hampshire. .DAY ONE...This Afternoon and Tonight. Showers and thunderstorms are expected to develop over the forecast area late this afternoon and evening. A few of the thunderstorms may be capable of producing damaging winds, large hail, and isolated tornadoes. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures.
In the hours before
Special weather statement, Oct 10, 3:50 PM EDT, 16 minutes before
Special Weather Statement
National Weather Service Gray ME
350 PM EDT Sat Oct 10 2020
NHZ001-102030-
Northern Coos-
350 PM EDT Sat Oct 10 2020
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN COOS COUNTY...
At 349 PM EDT, a strong thunderstorm was located over Warners Grant,
or 8 miles north of Island Pond, moving east at 70 mph.
Wind gusts up to 50 mph are possible with this storm.
Locations impacted include...
Colebrook, Pittsburg, Dixville, Columbia, Clarksville, Stewartstown
and Wentworth Location.
LAT...LON 4493 7106 4484 7155 4486 7155 4491 7150
4499 7154 4501 7147 4501 7150 4507 7150
4512 7143 4514 7144 4520 7140 4524 7144
4523 7138 4525 7136 4527 7136 4530 7130
4529 7127 4525 7123 4524 7115 4530 7109
TIME...MOT...LOC 1949Z 253DEG 59KT 4494 7190
MLEThe office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 2:54 AM EDT | Gale Warning | GYX | 19 hr | |
| Oct 10, 4:30 PM EDT | Special Weather Statement | GYX | Franklin, Somerset | 60 min |
| Oct 10, 5:15 PM EDT | Special Weather Statement | GYX | Somerset | 30 min |
| Oct 10, 7:07 PM EDT | Special Weather Statement | GYX | Franklin | 53 min |
| Oct 10, 7:27 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Oxford | 48 min |
| Oct 10, 7:32 PM EDT | Special Weather Statement | GYX | Somerset | 13 min |
| Oct 10, 7:43 PM EDT | Special Weather Statement | GYX | Somerset | 47 min |
| Oct 10, 7:57 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 48 min |
| Oct 10, 3:50 PM EDT | Special Weather Statement | GYX | Coos | 40 min |
| Oct 10, 5:54 PM EDT | Special Weather Statement | GYX | Coos | 51 min |
| Oct 10, 6:48 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 42 min |
| Oct 10, 6:52 PM EDT | Special Weather Statement | GYX | Grafton | 53 min |
| Oct 10, 6:56 PM EDT | Tornado Warning | GYX | Coos | 37 min |
| Oct 10, 7:21 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Grafton | 39 min |
Nearby
Severe Thunderstorm Warnings in Maine, 2020Severe Thunderstorm Warnings in New Hampshire, 2020Every severe thunderstorm warning in 2020
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.