Alert archive / New Hampshire / Flash Flood Warnings in 2025

Flash Flood Warning 3, NWS Gray, ME

June 7, 2025Cheshire County, Hillsborough County, New Hampshire

NWS Gray, ME issued this flash flood warning at Jun 7, 2025, 1:22 PM EDT for Cheshire County, Hillsborough County, New Hampshire. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 7, 2025, 1:22 PM EDT (17:22 UTC)
Expired: Jun 7, 2025, 6:15 PM EDT
In force: 5 hr
Issued by: NWS Gray, ME
Area: Storm-based polygon
Flood severity: None

Counties Cheshire County, NH, Hillsborough County, NH

The radar

The Boston radar (KBOX), 127 km from the middle of the area, began a volume at 17:26 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 nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.4 hours before the alert went out and 153 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 638 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash 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 flash flood warning went out at Jun 7, 10:30 AM EDT, 2 hours 52 minutes earlier.

Area forecast discussion, Jun 7, 10:30 AM EDT, 2 hours 52 minutes before

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Hazardous weather outlook, Jun 7, 3:57 AM EDT, 9 hours 25 minutes before

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In the hours before

Local storm report, Jun 7, 9:22 AM EDT, 4 hours 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
Jun 7, 1:09 PM EDT	Areal Flood Advisory	GYX	Cumberland, York	6 hr
Jun 7, 3:02 PM EDT	Areal Flood Advisory	GYX	Cumberland	5 hr
Jun 6, 8:03 PM EDT	Areal Flood Advisory	GYX	Hillsborough, Merrimack	3 hr
Jun 7, 2:35 AM EDT	Flood Watch	GYX	Cheshire, Hillsborough, Merrimack, Sullivan	16 hr
Jun 7, 2:01 PM EDT	Areal Flood Advisory	GYX	Hillsborough, Merrimack	5 hr

Nearby

Flash Flood Warnings in New Hampshire, 2025 Every flash 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.