Alert archive / New Hampshire / Flash Flood Watches in 2017

Flash Flood Watch 3, NWS Gray, ME

September 6, 20178 counties in Maine; 9 counties in New Hampshire

NWS Gray, ME issued this flash flood watch at Sep 6, 2017, 3:29 AM EDT for 8 counties in Maine; 9 counties in New Hampshire. It took effect at Sep 6, 2017, 12:00 PM EDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Sep 6, 2017, 3:29 AM EDT (07:29 UTC)
In effect from
Sep 6, 2017, 12:00 PM EDT
Expired
Sep 7, 2017, 3:15 AM EDT
In force
15 hr
Issued by
NWS Gray, ME
Flood severity
None

Counties Androscoggin County, ME, Cumberland County, ME, Franklin County, ME, Kennebec County, ME, Oxford County, ME, Somerset County, ME, Waldo County, ME, York County, ME, Belknap County, NH, Carroll County, NH, Cheshire County, NH, Grafton County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH, Sullivan County, NH

The radar

The Portland,ME radar (KGYX), 54 km from the middle of the area, began a volume at 07:30 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.

What forecasters said that day

The local office's own words before this flash flood watch 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 watch went out at Sep 5, 7:13 PM EDT, 8 hours 16 minutes earlier.

Area forecast discussion, Sep 5, 7:13 PM EDT, 8 hours 16 minutes before
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Hazardous weather outlook, Sep 5, 3:21 PM EDT, 12 hours 8 minutes before
Hazardous Weather Outlook
National Weather Service Gray ME
321 PM EDT Tue Sep 5 2017

MEZ012-018>020-NHZ004>013-015-061930-
Southern Oxford-Interior York-Interior Cumberland-Androscoggin-
Northern Carroll-Southern Grafton-Southern Carroll-Sullivan-
Merrimack-Belknap-Strafford-Cheshire-Eastern Hillsborough-
Interior Rockingham-Western And Central Hillsborough-
321 PM EDT Tue Sep 5 2017

This Hazardous Weather Outlook is for Maine, southwest Maine,
western Maine, New Hampshire, central New Hampshire, northern New
Hampshire and southern New Hampshire.

.DAY ONE...This Afternoon and Tonight.

Scattered thunderstorms are expected to develop through this evening
across the area. Some thunderstorms may be severe...with damaging
winds being the main threat. Locally heavy rainfall is also likely in
any thunderstorms.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Periods of heavy rainfall will be likely Wednesday and especially
Wednesday night. Localized urban and small stream flooding will be
possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

MEZ023>028-NHZ014-061930-
Coastal York-Coastal Cumberland-Sagadahoc-Lincoln-Knox-Coastal Waldo-
Coastal Rockingham-
321 PM EDT Tue Sep 5 2017

This Hazardous Weather Outlook is for south central Maine,
southwest Maine and southern New Hampshire.

.DAY ONE...This Afternoon and Tonight.

Scattered thunderstorms are expected to develop through this evening
across the area. Some thunderstorms may be strong...with gusty winds
being the main threat. Locally heavy rainfall is also likely in any
thunderstorms.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Periods of heavy rainfall will be likely Wednesday and especially
Wednesday night. Localized urban and small stream flooding will be
possible.

There is also a moderate risk of strong rip currents at area beaches.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

MEZ007>009-013-014-021-022-NHZ001>003-061930-
Northern Oxford-Northern Franklin-Central Somerset-Southern Franklin-
Southern Somerset-Kennebec-Interior Waldo-Northern Coos-
Southern Coos-Northern Grafton-
321 PM EDT Tue Sep 5 2017

This Hazardous Weather Outlook is for south central Maine, west
central Maine, western Maine and northern New Hampshire.

.DAY ONE...This Afternoon and Tonight.

Scattered thunderstorms are expected to develop through this evening
across the area. Some thunderstorms may be strong...with gusty winds
being the main threat. Locally heavy rainfall is also likely in any
thunderstorms.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Periods of heavy rainfall will be likely Wednesday and especially
Wednesday night. Localized urban and small stream flooding will be
possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

ANZ150>154-061930-
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-
321 PM EDT Tue Sep 5 2017

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This Afternoon and Tonight.

Thunderstorms may bring gusty winds to the near shore waters this
evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

The office that day

Everything else NWS Gray, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 5, 8:41 PM EDTAreal Flood AdvisoryGYXKennebec, Somerset, Waldo2 hr
Sep 5, 9:45 PM EDTAreal Flood AdvisoryGYXAndroscoggin, Cumberland, Oxford2 hr
Sep 5, 10:06 PM EDTSpecial Weather StatementGYXAndroscoggin54 min
Sep 5, 10:31 PM EDTSpecial Weather StatementGYXKennebec44 min
Sep 6, 10:07 AM EDTSpecial Marine WarningGYX23 min
Sep 6, 9:25 AM EDTSpecial Weather StatementGYXRockingham35 min

Nearby

Flash Flood Watches in New Hampshire, 2017Flash Flood Watches in Maine, 2017Every flash flood watch in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.