Alert archive / Massachusetts / Snow Squall Warnings in 2024

Snow Squall Warning 16, NWS Boston/Norton, MA

December 5, 2024Franklin County, Hampden County, Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this snow squall warning at Dec 5, 2024, 12:53 PM EST for Franklin County, Hampden County, Hampshire County, Massachusetts. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 5, 2024, 12:53 PM EST (17:53 UTC)
Expired: Dec 5, 2024, 1:30 PM EST
In force: 37 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon

Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA

The radar

The Albany radar (KENX), 121 km from the middle of the area, began a volume at 17:57 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

Brookhaven, NY (KOKX), launched 12:00Z, 5.9 hours before the alert went out and 167 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 889 m above ground
0-6 km bulk shear: 83 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 270 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this snow squall 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 snow squall warning went out at Dec 5, 12:41 PM EST, 12 minutes earlier.

Area forecast discussion, Dec 5, 12:41 PM EST, 12 minutes before

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In the hours before

Special weather statement, Dec 5, 8:23 AM EST, 4 hours 30 minutes before

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Special weather statement, Dec 5, 9:53 AM EST, 3 hours before

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Local storm report, Dec 5, 9:55 AM EST, 2 hours 58 minutes before

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Local storm report, Dec 5, 12:02 PM EST, 51 minutes before

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Local storm report, Dec 5, 12:53 PM EST, 0 minutes before

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Nearby

Snow Squall Warnings in Massachusetts, 2024 Every snow squall 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.