Alert archive / Massachusetts / River Flood Warnings in 2024

River Flood Warning 37, NWS Boston/Norton, MA

March 10, 2024Middlesex County, Massachusetts

NWS Boston/Norton, MA issued this river flood warning at Mar 10, 2024, 6:15 AM EDT for Middlesex County, Massachusetts. It took effect at Mar 10, 2024, 7:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Mar 10, 2024, 6:15 AM EDT (10:15 UTC)
In effect from: Mar 10, 2024, 7:00 AM EDT
Expired: Mar 10, 2024, 1:00 PM EDT
In force: 6 hr
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Flood severity: Minor

County Middlesex County, MA

The radar

The Boston radar (KBOX), 63 km from the middle of the area, began a volume at 10:17 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 Sudbury River at Saxonville (SAXM3). The gauge peaked at 9.86 ft at Mar 10, 2024, 9:00 AM EDT.

Action stage: 8.5 ft
Minor stage: 10 ft
Moderate stage: 12 ft
Major stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01098530, 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 9, 3:56 PM EST, 13 hours 19 minutes earlier.

Area forecast discussion, Mar 9, 3:56 PM EST, 13 hours 19 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 10, 3:38 AM EDT	Wind Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more	42 hr
Mar 10, 5:19 AM EDT	Gale Watch	BOX		10 hr
Mar 10, 6:15 AM EDT	River Flood Warning	BOX	Hampden	49 hr
Mar 10, 8:59 AM EDT	Small Craft Advisory	BOX		6 hr
Mar 10, 3:18 PM EDT	Gale Warning	BOX		47 hr

Nearby

River Flood Warnings in Massachusetts, 2024 Every river flood warning in 2024

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.