Alert archive / Connecticut / River Flood Warnings in 2023

River Flood Warning 42, NWS Boston/Norton, MA

December 12, 2023Lower Connecticut River Valley Planning Region, Connecticut

NWS Boston/Norton, MA issued this river flood warning at Dec 12, 2023, 2:56 AM EST for Lower Connecticut River Valley Planning Region, Connecticut. It took effect at Dec 13, 2023, 1:00 PM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Dec 12, 2023, 2:56 AM EST (07:56 UTC)
In effect from: Dec 13, 2023, 1:00 PM EST
Expired: Dec 13, 2023, 8:00 PM EST
In force: 7 hr
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Flood severity: Minor

County Lower Connecticut River Valley Planning Region, CT

The radar

The Brookhaven radar (KOKX), 72 km from the middle of the area, began a volume at 07:59 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 Connecticut River at Middle Haddam (MHDC3).

Action stage: 5 ft
Minor stage: 7 ft
Moderate stage: 10.5 ft
Major stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01193050, 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 Boston/Norton, MA wrote its last area forecast discussion before this river flood warning went out at Dec 11, 6:15 PM EST, 8 hours 41 minutes earlier.

Area forecast discussion, Dec 11, 6:15 PM EST, 8 hours 41 minutes before

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The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 12, 3:46 AM EST	River Flood Warning	BOX	Essex	25 hr
Dec 12, 1:26 PM EST	Small Craft Advisory	BOX		42 hr

Nearby

River Flood Warnings in Connecticut, 2023 Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.