Alert archive / New Hampshire / River Flood Warnings in 2018

River Flood Warning 16, NWS Gray, ME

November 13, 2018Merrimack County, New Hampshire

NWS Gray, ME issued this river flood warning at Nov 13, 2018, 5:31 PM EST for Merrimack County, New Hampshire. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued: Nov 13, 2018, 5:31 PM EST (22:31 UTC)
Expired: Nov 15, 2018, 5:29 AM EST
In force: 36 hr
Issued by: NWS Gray, ME
Area: Storm-based polygon
Flood severity: Minor

County Merrimack County, NH

The radar

The Portland,ME radar (KGYX), 132 km from the middle of the area, began a volume at 22:33 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 Suncook River at North Chichester (NCHN3).

Action stage: 6 ft
Minor stage: 7 ft
Moderate stage: 12 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01089500, 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 Nov 13, 3:34 PM EST, 1 hour 57 minutes earlier.

Area forecast discussion, Nov 13, 3:34 PM EST, 1 hour 57 minutes before

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Hazardous weather outlook, Nov 13, 4:09 PM EST, 1 hour 22 minutes before

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In the hours before

Local storm report, Nov 13, 11:52 AM EST, 5 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
1152 AM EST TUE NOV 13 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1152 AM     SNOW             NEWRY                   44.49N  70.79W
11/13/2018  M7.0 INCH        OXFORD             ME   TRAINED SPOTTER

            CHANGED TO SLEET AND RAIN.

&&

EVENT NUMBER GYX1803760

TFH

Local storm report, Nov 13, 12:22 PM EST, 5 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
1222 PM EST TUE NOV 13 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1221 PM     SNOW             3 ESE JEFFERSON         44.40N  71.43W
11/13/2018  M7.0 INCH        COOS               NH   TRAINED SPOTTER

&&

EVENT NUMBER GYX1803761

DS

Local storm report, Nov 13, 1:08 PM EST, 4 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
108 PM EST TUE NOV 13 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0107 PM     SNOW             1 NNW WHITEFIELD        44.39N  71.62W
11/13/2018  M7.5 INCH        COOS               NH   TRAINED SPOTTER

&&

EVENT NUMBER GYX1803762

DS

Local storm report, Nov 13, 4:54 PM EST, 37 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
Nov 13, 3:02 PM EST	Wind Advisory	GYX	Androscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 5 more	6 hr

Nearby

River Flood Warnings in New Hampshire, 2018 Every river flood warning in 2018

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.