Alert archive / Maine / Flash Flood Warnings in 2023
Flash Flood Warning 20, NWS Gray, ME
NWS Gray, ME issued this flash flood warning at Jun 29, 2023, 3:43 PM EDT for Somerset County, Maine. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 29, 2023, 3:43 PM EDT (19:43 UTC)
- Expired
- Jun 29, 2023, 8:45 PM EDT
- In force
- 5 hr
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
- Flood severity
- None
County Somerset County, ME
The radar
The Caribou radar (KCBW), 177 km from the middle of the area, began a volume at 19:45 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
Caribou, ME (KCAR), launched 12:00Z, 7.7 hours before the alert went out and 213 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
- 572 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jun 29, 10:38 AM EDT, 5 hours 5 minutes earlier.
Area forecast discussion, Jun 29, 10:38 AM EDT, 5 hours 5 minutes before
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</html>Hazardous weather outlook, Jun 29, 3:38 PM EDT, 5 minutes before
Hazardous Weather Outlook National Weather Service Gray ME 338 PM EDT Thu Jun 29 2023 MEZ007>009-012>014-018>020-033-NHZ001>004-006-301945- Northern Oxford-Northern Franklin-Central Somerset-Southern Oxford- Southern Franklin-Southern Somerset-Interior York- Central Interior Cumberland-Androscoggin- Interior Cumberland Highlands-Northern Coos-Southern Coos- Northern Grafton-Northern Carroll-Southern Carroll- 338 PM EDT Thu Jun 29 2023 This Hazardous Weather Outlook is for Maine, south central Maine, southwest Maine, west central Maine, western Maine and northern New Hampshire. .DAY ONE...This afternoon and tonight. Scattered showers and thunderstorms will be capable of producing locally heavy rainfall through this evening, which may result in isolated instances of flooding. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. MEZ021>028-NHZ005-007>015-301945- Kennebec-Interior Waldo-Coastal York-Coastal Cumberland-Sagadahoc- Lincoln-Knox-Coastal Waldo-Southern Grafton-Sullivan-Merrimack- Belknap-Strafford-Cheshire-Eastern Hillsborough-Interior Rockingham- Coastal Rockingham-Western And Central Hillsborough- 338 PM EDT Thu Jun 29 2023 This Hazardous Weather Outlook is for south central Maine, southwest Maine, New Hampshire, central New Hampshire, northern New Hampshire and southern New Hampshire. .DAY ONE...This afternoon and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ150>154-301945- 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- Casco Bay- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 338 PM EDT Thu Jun 29 2023 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...This afternoon and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Jun 29, 11:57 AM EDT, 3 hours 46 minutes before
Preliminary Local Storm Report
National Weather Service Gray ME
1157 AM EDT Thu Jun 29 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0308 PM Flash Flood 5 SE Moultonborough 43.70N 71.33W
06/28/2023 Carroll NH Dept of Highways
Delayed Report: Significant amounts of water
on NH-109, eroded ditches along the side of
the road, undermining the edge of the
roadway. Adjacent creek swelled up to 1
foot.
&&
PalmerLocal storm report, Jun 29, 11:58 AM EDT, 3 hours 45 minutes before
Preliminary Local Storm Report
National Weather Service Gray ME
1158 AM EDT Thu Jun 29 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0236 PM Flash Flood 3 ESE Moultonborough 43.73N 71.34W
06/28/2023 Carroll NH Dept of Highways
Delayed Report: A clogged culvert flooded NH
171, offsetting a significant amount of
water onto NH 171. Receded by 6:30pm. Time
estimated by source.
&&
PalmerLocal storm report, Jun 29, 12:52 PM EDT, 2 hours 51 minutes before
Preliminary Local Storm Report
National Weather Service Gray ME
1252 PM EDT Thu Jun 29 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0500 PM Flash Flood 2 ENE Lebanon 43.66N 72.22W
06/28/2023 Grafton NH Law Enforcement
Significant washout on Stevens Rd, culverts
overflowed and exposed, approximately 2000
ft of pavement washout.
&&
SMTSpecial weather statement, Jun 29, 3:16 PM EDT, 27 minutes before
Special Weather Statement
National Weather Service Gray ME
316 PM EDT Thu Jun 29 2023
MEZ009-292000-
Central Somerset ME-
316 PM EDT Thu Jun 29 2023
...A strong thunderstorm will impact portions of central Somerset
County through 400 PM EDT...
At 315 PM EDT, Doppler radar was tracking a strong thunderstorm 11
miles northeast of Kingfield, or 23 miles east of Eustis, moving
northeast at 5 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Bingham, Caratunk Plantation, Pleasant Ridge Plantation, Moscow,
Concord, Highland Plantation, Mayfield, Lexington and Carrying Place.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.
&&
LAT...LON 4501 6998 4505 7006 4513 7008 4523 6989
4515 6979 4509 6976
TIME...MOT...LOC 1915Z 227DEG 5KT 4510 7003
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
GCThe office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 9:06 PM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 12 hr |
| Jun 29, 2:02 PM EDT | Areal Flood Advisory | GYX | Somerset | 3 hr |
| Jun 29, 3:16 PM EDT | Special Weather Statement | GYX | Franklin | 44 min |
| Jun 29, 4:19 PM EDT | Areal Flood Advisory | GYX | Franklin, Somerset | 3 hr |
| Jun 29, 4:28 PM EDT | Areal Flood Advisory | GYX | Oxford | 117 min |
| Jun 29, 4:44 PM EDT | Areal Flood Advisory | GYX | Franklin, Kennebec, Oxford | 33 min |
| Jun 29, 5:17 PM EDT | Flash Flood Warning | GYX | Franklin, Oxford | 4 hr |
| Jun 29, 5:26 PM EDT | Areal Flood Advisory | GYX | Somerset | 52 min |
| Jun 29, 6:18 PM EDT | Flash Flood Warning | GYX | Somerset | 2 hr |
| Jun 29, 6:42 PM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 15 hr |
| Jun 29, 6:51 PM EDT | Areal Flood Advisory | GYX | Androscoggin, Oxford | 2 hr |
Nearby
Flash Flood Warnings in Maine, 2023Every flash flood warning in 2023
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.