Alert archive / Massachusetts / Special Weather Statements in 2017

Special Weather Statement, NWS Boston/Norton, MA

November 18, 2017Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Nov 18, 2017, 2:03 PM EST for Hampshire County, Massachusetts. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Nov 18, 2017, 2:03 PM EST (19:03 UTC)
Expired: Nov 18, 2017, 3:00 PM EST
In force: 57 min
Issued by: NWS Boston/Norton, MA

County Hampshire County, MA

The radar

The Albany radar (KENX), 99 km from the middle of the area, began a volume at 19:06 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, 7.1 hours before the alert went out and 179 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: 3045 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Nov 17, 6:41 PM EST, 19 hours 22 minutes earlier.

Area forecast discussion, Nov 17, 6:41 PM EST, 19 hours 22 minutes before

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Hazardous weather outlook, Nov 17, 4:14 PM EST, 21 hours 49 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
Nov 18, 3:57 AM EST	Wind Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more	39 hr
Nov 18, 3:02 PM EST	Storm Warning	BOX		19 hr
Nov 18, 3:10 PM EST	High Wind Warning	BOX	Barnstable, Bristol, Dukes, Nantucket, Plymouth	13 hr
Nov 18, 3:10 PM EST	Wind Advisory	BOX	Bristol, Norfolk, Plymouth	27 hr

Nearby

Special Weather Statements in Massachusetts, 2017 Every special weather statement in 2017

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.