Alert archive / Connecticut / River Flood Warnings in 2025

River Flood Warning 6, NWS Boston/Norton, MA

March 17, 2025Lower Connecticut River Valley Planning Region, Connecticut

NWS Boston/Norton, MA issued this river flood warning at Mar 17, 2025, 5:16 PM EDT for Lower Connecticut River Valley Planning Region, Connecticut. It took effect at Mar 18, 2025, 3:30 PM EDT. It was in force for 20 days.

The area

The counties it named.

The facts

Issued: Mar 17, 2025, 5:16 PM EDT (21:16 UTC)
In effect from: Mar 18, 2025, 3:30 PM EDT
Expired: Apr 7, 2025, 5:16 PM EDT
In force: 20 days
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 21:18 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). The gauge peaked at 8.32 ft at Mar 20, 2025, 6:00 AM EDT.

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 Mar 17, 3:07 PM EDT, 2 hours 9 minutes earlier.

Area forecast discussion, Mar 17, 3:07 PM EDT, 2 hours 9 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
Mar 17, 7:37 AM EDT	Special Weather Statement	BOX	Norfolk	113 min
Mar 17, 7:57 AM EDT	Gale Warning	BOX		3 hr
Mar 17, 11:47 AM EDT	River Flood Warning	BOX	Franklin, Hampshire	29 hr
Mar 17, 11:47 AM EDT	River Flood Warning	BOX	Hampden, Hampshire	53 hr
Mar 17, 11:47 AM EDT	River Flood Warning	BOX	Hampden	58 hr
Mar 17, 11:47 AM EDT	River Flood Warning	BOX	Washington	26 hr
Mar 17, 11:47 AM EDT	River Flood Warning	BOX	Capitol Planning Region, Lower Connecticut River Valley Planning Region	21 days

Nearby

River Flood Warnings in Connecticut, 2025 Every river flood warning in 2025

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.