Alert archive / Massachusetts / Special Weather Statements in 2014

Special Weather Statement, NWS Boston/Norton, MA

July 27, 2014Middlesex County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Jul 27, 2014, 1:52 PM EDT for Middlesex County, Massachusetts. It was in force for 38 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: Jul 27, 2014, 1:52 PM EDT (17:52 UTC)
Expired: Jul 27, 2014, 2:30 PM EDT
In force: 38 min
Issued by: NWS Boston/Norton, MA

County Middlesex County, MA

The radar

The Boston radar (KBOX), 60 km from the middle of the area, began a volume at 17:52 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

Gray, ME (KGYX), launched 12:00Z, 5.9 hours before the alert went out and 168 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: 1474 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

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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 Jul 27, 9:42 AM EDT, 4 hours 10 minutes earlier.

Area forecast discussion, Jul 27, 9:42 AM EDT, 4 hours 10 minutes before

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Hazardous weather outlook, Jul 27, 3:56 AM EDT, 9 hours 56 minutes before

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In the hours before

Special weather statement, Jul 27, 11:00 AM EDT, 2 hours 52 minutes before

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Special weather statement, Jul 27, 11:32 AM EDT, 2 hours 20 minutes before

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Special weather statement, Jul 27, 1:01 PM EDT, 51 minutes before

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Special weather statement, Jul 27, 1:10 PM EDT, 42 minutes before

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Local storm report, Jul 27, 1:38 PM EDT, 14 minutes before

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Special weather statement, Jul 27, 1:52 PM EDT, 0 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
Jul 27, 11:00 AM EDT	Special Weather Statement	BOX	Hampden	45 min
Jul 27, 11:32 AM EDT	Special Weather Statement	BOX	Hampden, Hampshire	43 min
Jul 27, 11:41 AM EDT	Areal Flood Advisory	BOX	Hampden, Hampshire	64 min
Jul 27, 1:01 PM EDT	Special Weather Statement	BOX	Worcester	44 min
Jul 27, 1:10 PM EDT	Special Weather Statement	BOX	Middlesex	50 min
Jul 27, 1:20 PM EDT	Areal Flood Advisory	BOX	Middlesex, Norfolk, Worcester	55 min
Jul 27, 1:41 PM EDT	Areal Flood Advisory	BOX	Essex, Middlesex, Suffolk	64 min
Jul 27, 2:09 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex	17 min
Jul 27, 2:38 PM EDT	Areal Flood Advisory	BOX	Essex	52 min
Jul 27, 4:23 PM EDT	Special Weather Statement	BOX	Berkshire	52 min
Jul 27, 4:47 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire	58 min
Jul 27, 5:23 PM EDT	Special Weather Statement	BOX	Worcester	37 min
Jul 27, 5:38 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire	52 min
Jul 27, 5:50 PM EDT	Areal Flood Advisory	BOX	Hampden, Hampshire	3 hr
Jul 27, 6:23 PM EDT	Severe Thunderstorm Warning	BOX	Hampden	52 min
Jul 27, 6:24 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		49 hr
Jul 27, 6:31 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Worcester	59 min
Jul 27, 7:10 PM EDT	Flash Flood Warning	BOX	Hampden	3 hr
Jul 27, 7:17 PM EDT	Severe Thunderstorm Warning	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	58 min
Jul 27, 7:47 PM EDT	Areal Flood Advisory	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	118 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.