Alert archive / Massachusetts / Special Weather Statements in 2021

Special Weather Statement, NWS Boston/Norton, MA

June 8, 2021Hampden County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Jun 8, 2021, 1:13 PM EDT for Hampden County, Massachusetts. It was in force for 47 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 8, 2021, 1:13 PM EDT (17:13 UTC)
Expired: Jun 8, 2021, 2:00 PM EDT
In force: 47 min
Issued by: NWS Boston/Norton, MA

County Hampden County, MA

The radar

The Boston radar (KBOX), 123 km from the middle of the area, began a volume at 17:13 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

Albany, NY (KALY), launched 12:00Z, 5.2 hours before the alert went out and 117 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: 289 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 1170 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

743 
WWUS81 KBOX 081713
SPSBOX

Special Weather Statement
National Weather Service Boston/Norton MA
113 PM EDT Tue Jun 8 2021
 
MAZ010-011-081800-
Eastern Hampden MA-Eastern Hampshire MA-
113 PM EDT Tue Jun 8 2021

...STRONG THUNDERSTORM...

At 112 PM EDT, Doppler radar was tracking a strong thunderstorm over
West Springfield, moving east at 15 mph.

Pea size hail and winds in excess of 40 mph will accompany this
storm. Torrential downpours will also accompany this storm. 

Locations impacted include...
Springfield, Chicopee, Westfield, Holyoke, Agawam, West Springfield,
Ludlow, South Hadley, Belchertown, Wilbraham, Palmer, Monson, Granby
and Southampton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Get indoors when this storm approaches. Winds may be strong enough to
produce minor damage, such as a few downed branches.

Do not drive through flooded roads or underpasses. Avoid low lying
areas near small streams.

&&

LAT...LON 4209 7274 4221 7276 4227 7242 4212 7235
TIME...MOT...LOC 1712Z 261DEG 15KT 4216 7267 

$$

KJC

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 12:35 PM EDT	Special Weather Statement	BOX	Hampshire	40 min
Jun 8, 12:54 PM EDT	Flash Flood Watch	BOX	Franklin, Hampden, Hampshire, Middlesex, Worcester	8 hr
Jun 8, 1:02 PM EDT	Flash Flood Warning	BOX	Hampshire	55 min
Jun 8, 1:34 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire	41 min
Jun 8, 1:39 PM EDT	Flash Flood Warning	BOX	Hampden, Hampshire	67 min
Jun 8, 2:40 PM EDT	Special Weather Statement	BOX	Hampshire	50 min
Jun 8, 2:56 PM EDT	Severe Thunderstorm Warning	BOX	Hampden	43 min
Jun 8, 3:09 PM EDT	Special Weather Statement	BOX	Worcester	51 min
Jun 8, 3:12 PM EDT	Special Weather Statement	BOX	Essex	48 min
Jun 8, 3:32 PM EDT	Special Marine Warning	BOX		43 min
Jun 8, 3:37 PM EDT	Special Weather Statement	BOX	Hampshire	38 min
Jun 8, 3:42 PM EDT	Special Weather Statement	BOX	Essex	48 min
Jun 8, 3:51 PM EDT	Special Weather Statement	BOX	Hampshire	39 min
Jun 8, 3:52 PM EDT	Special Marine Warning	BOX		53 min
Jun 8, 4:02 PM EDT	Special Weather Statement	BOX	Norfolk	43 min
Jun 8, 4:04 PM EDT	Special Weather Statement	BOX	Hampshire	41 min
Jun 8, 4:13 PM EDT	Special Weather Statement	BOX	Essex	47 min
Jun 8, 4:38 PM EDT	Special Marine Warning	BOX		52 min
Jun 8, 5:17 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Middlesex, Norfolk, Worcester	58 min
Jun 8, 5:33 PM EDT	Special Marine Warning	BOX		42 min
Jun 8, 5:59 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Norfolk, Plymouth, Suffolk	35 min
Jun 8, 4:52 PM EDT	Special Weather Statement	BOX	Providence	38 min
Jun 8, 12:45 PM EDT	Special Weather Statement	BOX		45 min
Jun 8, 2:10 PM EDT	Special Weather Statement	BOX		50 min
Jun 8, 2:29 PM EDT	Severe Thunderstorm Warning	BOX	Capitol Planning Region	61 min
Jun 8, 3:24 PM EDT	Special Weather Statement	BOX		51 min
Jun 8, 3:28 PM EDT	Special Weather Statement	BOX		47 min
Jun 8, 4:13 PM EDT	Special Weather Statement	BOX		47 min

Nearby

Special Weather Statements in Massachusetts, 2021 Every special weather statement in 2021

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.