Alert archive / New Hampshire / River Flood Warnings in 2017

River Flood Warning 31, NWS Gray, ME

October 30, 2017Belknap County, Grafton County, Merrimack County, New Hampshire

NWS Gray, ME issued this river flood warning at Oct 30, 2017, 5:54 AM EDT for Belknap County, Grafton County, Merrimack County, New Hampshire. It took effect at Oct 30, 2017, 7:28 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Oct 30, 2017, 5:54 AM EDT (09:54 UTC)
In effect from: Oct 30, 2017, 7:28 AM EDT
Expired: Oct 30, 2017, 3:25 PM EDT
In force: 8 hr
Issued by: NWS Gray, ME
Area: Storm-based polygon
Flood severity: Minor

Counties Belknap County, NH, Grafton County, NH, Merrimack County, NH

The radar

The Portland,ME radar (KGYX), 116 km from the middle of the area, began a volume at 09:57 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 river

Written for the forecast point Smith River (NH) at Bristol (BRSN3). The gauge peaked at 8.34 ft at Oct 30, 2017, 7:00 AM EDT.

Action stage: 6 ft
Minor stage: 8 ft
Moderate stage: 12 ft
Major stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01078000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood warning went out at Oct 30, 4:07 AM EDT, 1 hour 47 minutes earlier.

Area forecast discussion, Oct 30, 4:07 AM EDT, 1 hour 47 minutes before

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Hazardous weather outlook, Oct 30, 3:31 AM EDT, 2 hours 23 minutes before

Hazardous Weather Outlook
National Weather Service Gray ME
331 AM EDT Mon Oct 30 2017

MEZ018>028-NHZ004>015-310745-
Interior York-Interior Cumberland-Androscoggin-Kennebec-
Interior Waldo-Coastal York-Coastal Cumberland-Sagadahoc-Lincoln-
Knox-Coastal Waldo-Northern Carroll-Southern Grafton-
Southern Carroll-Sullivan-Merrimack-Belknap-Strafford-Cheshire-
Eastern Hillsborough-Interior Rockingham-Coastal Rockingham-
Western And Central Hillsborough-
331 AM EDT Mon Oct 30 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 AM EDT THIS MORNING...
...FLASH FLOOD WATCH IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.
   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

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>014-310745-
Northern Oxford-Northern Franklin-Central Somerset-Southern Oxford-
Southern Franklin-Southern Somerset-
331 AM EDT Mon Oct 30 2017

...WIND ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...
...FLASH FLOOD WATCH IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.
   Wind Advisory.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

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.

NHZ001>003-310745-
Northern Coos-Southern Coos-Northern Grafton-
331 AM EDT Mon Oct 30 2017

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...FLASH FLOOD WATCH IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

This Hazardous Weather Outlook is for northern New Hampshire.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.
   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

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.

ANZ150-152-154-310745-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
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-
331 AM EDT Mon Oct 30 2017

...HURRICANE FORCE WIND WARNING IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Hurricane Force Wind Warning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

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.

ANZ151-153-310745-
Penobscot Bay-Casco Bay-
331 AM EDT Mon Oct 30 2017

...STORM WARNING IN EFFECT UNTIL NOON EDT TODAY...

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Storm Warning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

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

Local storm report, Oct 30, 5:19 AM EDT, 35 minutes before

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Local storm report, Oct 30, 5:21 AM EDT, 33 minutes before

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Local storm report, Oct 30, 5:27 AM EDT, 27 minutes before

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Local storm report, Oct 30, 5:29 AM EDT, 25 minutes before

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Local storm report, Oct 30, 5:30 AM EDT, 24 minutes before

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Local storm report, Oct 30, 5:48 AM EDT, 6 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 30, 1:19 AM EDT	Areal Flood Warning	GYX	York	6 hr
Oct 30, 4:21 AM EDT	Flash Flood Warning	GYX	Cumberland, Oxford	6 hr
Oct 30, 9:52 AM EDT	Gale Warning	GYX		17 hr
Oct 30, 11:58 AM EDT	Areal Flood Warning	GYX	Franklin, Oxford, Somerset	6 hr
Oct 30, 1:01 PM EDT	Special Weather Statement	GYX	Oxford	59 min
Oct 30, 1:15 PM EDT	River Flood Warning	GYX	Oxford	25 hr
Oct 30, 2:00 PM EDT	River Flood Warning	GYX	Somerset	8 hr
Oct 30, 6:08 PM EDT	Small Craft Advisory	GYX		35 hr
Oct 30, 2:05 AM EDT	River Flood Warning	GYX	Grafton	36 hr
Oct 30, 2:55 AM EDT	Flash Flood Warning	GYX	Belknap, Carroll, Coos, Grafton	6 hr
Oct 30, 4:04 AM EDT	Flash Flood Warning	GYX	Belknap, Carroll, Coos, Grafton	6 hr
Oct 30, 4:09 AM EDT	River Flood Warning	GYX	Hillsborough	19 hr
Oct 30, 5:31 AM EDT	River Flood Warning	GYX	Merrimack	60 hr
Oct 30, 5:57 AM EDT	River Flood Warning	GYX	Cheshire, Hillsborough	20 hr
Oct 30, 6:14 AM EDT	River Flood Warning	GYX	Grafton	14 hr
Oct 30, 8:53 AM EDT	Areal Flood Warning	GYX	Belknap, Carroll, Coos, Grafton	6 hr
Oct 30, 10:36 AM EDT	River Flood Warning	GYX	Coos	11 hr
Oct 30, 11:48 AM EDT	River Flood Warning	GYX	Grafton	7 hr
Oct 30, 2:00 PM EDT	River Flood Warning	GYX	Hillsborough	10 hr
Oct 30, 2:48 PM EDT	River Flood Warning	GYX	Merrimack	29 hr
Oct 30, 6:47 PM EDT	Flash Flood Watch	GYX	Coos	15 hr

Nearby

River Flood Warnings in New Hampshire, 2017 Every river flood warning 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; the gauge from the NWS water service and the USGS.