Alert archive / Massachusetts / Special Weather Statements in 2014

Special Weather Statement, NWS Boston/Norton, MA

August 1, 2014Hampden County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Aug 1, 2014, 6:26 PM EDT for Hampden County, Massachusetts. It was in force for 49 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: Aug 1, 2014, 6:26 PM EDT (22:26 UTC)
Expired: Aug 1, 2014, 7:15 PM EDT
In force: 49 min
Issued by: NWS Boston/Norton, MA

County Hampden County, MA

The radar

The Boston radar (KBOX), 125 km from the middle of the area, began a volume at 22:26 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

Brookhaven, NY (KOKX), launched 12:00Z, 10.4 hours before the alert went out and 137 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: 374 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 964 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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
Aug 1, 12:57 PM EDT	Special Weather Statement	BOX	Hampshire	48 min
Aug 1, 1:30 PM EDT	Special Weather Statement	BOX	Hampshire	45 min
Aug 1, 2:24 PM EDT	Areal Flood Advisory	BOX	Franklin, Worcester	2 hr
Aug 1, 3:46 PM EDT	Special Weather Statement	BOX	Middlesex	44 min
Aug 1, 3:55 PM EDT	Areal Flood Advisory	BOX	Middlesex	2 hr
Aug 1, 4:25 PM EDT	Flash Flood Warning	BOX	Middlesex, Worcester	2 hr
Aug 1, 4:29 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex	29 min
Aug 1, 4:55 PM EDT	Special Weather Statement	BOX	Essex	65 min
Aug 1, 5:00 PM EDT	Special Marine Warning	BOX		2 hr
Aug 1, 5:08 PM EDT	Special Weather Statement	BOX	Hampden	52 min
Aug 1, 5:26 PM EDT	Special Weather Statement	BOX	Essex	64 min
Aug 1, 5:37 PM EDT	Areal Flood Advisory	BOX	Essex	53 min
Aug 1, 5:50 PM EDT	Special Weather Statement	BOX	Franklin, Hampden, Hampshire	55 min
Aug 1, 5:51 PM EDT	Special Weather Statement	BOX	Franklin, Hampden, Hampshire	54 min
Aug 1, 6:02 PM EDT	Areal Flood Advisory	BOX	Franklin, Hampden, Hampshire	3 hr
Aug 1, 6:40 PM EDT	Flash Flood Warning	BOX	Middlesex	2 hr
Aug 1, 2:50 PM EDT	Areal Flood Advisory	BOX	Capitol Planning Region	115 min
Aug 1, 3:03 PM EDT	Special Weather Statement	BOX		42 min
Aug 1, 3:29 PM EDT	Flash Flood Warning	BOX		2 hr
Aug 1, 1:53 PM EDT	Special Weather Statement	BOX	Hillsborough	37 min

Nearby

Special Weather Statements in Massachusetts, 2014 Every special weather statement in 2014

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.