Alert archive / Connecticut / Special Weather Statements in 2018

Special Weather Statement, NWS Boston/Norton, MA

June 28, 2018

NWS Boston/Norton, MA issued this special weather statement at Jun 28, 2018, 6:26 PM EDT. 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: Jun 28, 2018, 6:26 PM EDT (22:26 UTC)
Expired: Jun 28, 2018, 7:15 PM EDT
In force: 49 min
Issued by: NWS Boston/Norton, MA

The radar

The Boston radar (KBOX), 92 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 131 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: 355 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 564 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.2

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 Jun 28, 4:40 PM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Jun 28, 4:40 PM EDT, 1 hour 46 minutes before

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Hazardous weather outlook, Jun 28, 10:51 AM EDT, 7 hours 35 minutes before

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In the hours before

Special weather statement, Jun 28, 3:21 PM EDT, 3 hours 5 minutes before

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Local storm report, Jun 28, 4:30 PM EDT, 1 hour 56 minutes before

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Special weather statement, Jun 28, 4:47 PM EDT, 1 hour 39 minutes before

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Local storm report, Jun 28, 5:05 PM EDT, 1 hour 21 minutes before

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Special weather statement, Jun 28, 6:26 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
Jun 28, 3:53 AM EDT	Flash Flood Watch	BOX	Franklin, Hampden, Hampshire, Middlesex, Worcester	7 hr
Jun 28, 5:16 AM EDT	Special Weather Statement	BOX	Hampden, Hampshire	89 min
Jun 28, 10:03 AM EDT	Areal Flood Advisory	BOX	Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk and 1 more	117 min
Jun 28, 2:41 PM EDT	Areal Flood Advisory	BOX	Franklin, Hampden, Hampshire	3 hr
Jun 28, 3:21 PM EDT	Special Weather Statement	BOX	Hampden	39 min
Jun 28, 4:47 PM EDT	Special Weather Statement	BOX	Worcester	58 min
Jun 28, 4:59 PM EDT	Areal Flood Advisory	BOX	Franklin, Worcester	61 min
Jun 28, 5:58 PM EDT	Areal Flood Advisory	BOX	Franklin, Worcester	62 min
Jun 28, 1:38 PM EDT	Areal Flood Advisory	BOX	Kent, Providence	2 hr
Jun 28, 7:30 PM EDT	Areal Flood Advisory	BOX	Northeastern Connecticut Planning Region	2 hr

Nearby

Special Weather Statements in Connecticut, 2018 Every special weather statement in 2018

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.