Alert archive / Massachusetts / Special Weather Statements in 2016

Special Weather Statement, NWS Boston/Norton, MA

April 22, 20165 counties in Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Apr 22, 2016, 3:32 PM EDT for 5 counties in Massachusetts. It was in force for 88 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: Apr 22, 2016, 3:32 PM EDT (19:32 UTC)
Expired: Apr 22, 2016, 5:00 PM EDT
In force: 88 min
Issued by: NWS Boston/Norton, MA

Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 74 km from the middle of the area, began a volume at 19:31 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, 7.5 hours before the alert went out and 178 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: 101 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 1217 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 199 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 Apr 22, 10:46 AM EDT, 4 hours 46 minutes earlier.

Area forecast discussion, Apr 22, 10:46 AM EDT, 4 hours 46 minutes before

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Hazardous weather outlook, Apr 22, 4:13 AM EDT, 11 hours 19 minutes before

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In the hours before

Special weather statement, Apr 22, 3:32 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
332 PM EDT FRI APR 22 2016

CTZ002>004-MAZ002>012-014-026-222100-
WINDHAM CT-TOLLAND CT-HARTFORD CT-WESTERN FRANKLIN MA-
NORTHERN WORCESTER MA-SOUTHERN WORCESTER MA-EASTERN ESSEX MA-
SOUTHEAST MIDDLESEX MA-NORTHWEST MIDDLESEX COUNTY MA-
EASTERN HAMPDEN MA-WESTERN HAMPDEN MA-WESTERN ESSEX MA-
EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-EASTERN HAMPSHIRE MA-
CENTRAL MIDDLESEX COUNTY MA-
332 PM EDT FRI APR 22 2016

NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS ACROSS NORTHERN AND
WESTERN MASSACHUSETTS INCLUDING NORTHWEST CONNECTICUT WILL CONTINUE
TO ADVANCE EASTWARD THIS AFTERNOON AND EARLY EVENING...BRINGING
BENEFICIAL RAINS TO THE REGION. A FEW OF THE STRONGER SHOWERS AND
ISOLATED THUNDERSTORMS MAY RESULT IN GUSTY WINDS UP TO 40 MPH ALONG
WITH BRIEF HEAVY DOWNPOURS.

SOUTHEAST MASSACHUSETTS WILL LIKELY REMAIN DRY THROUGH SUNSET WITH
ANY SHOWERS HOLDING OFF UNTIL LATE EVENING.

LOCATIONS IMPACTED INCLUDE...
WORCESTER...SPRINGFIELD...HARTFORD...LOWELL...NASHUA...LAWRENCE...NEW
BRITAIN...FRAMINGHAM...WEST HARTFORD...HAVERHILL...WALTHAM...BRISTOL...
MANCHESTER...CHICOPEE...EAST HARTFORD...PEABODY...METHUEN...ENFIELD...
SOUTHINGTON AND WESTFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

LAT...LON 4287 7082 4272 7078 4272 7079 4277 7082
      4271 7083 4271 7081 4201 7181 4166 7214
      4171 7224 4159 7239 4165 7253 4156 7295
      4180 7302 4197 7289 4197 7303 4210 7307
      4263 7295 4274 7302 4270 7129 4282 7115
TIME...MOT...LOC 1927Z 274DEG 27KT 4266 7134 4214 7340

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 3:39 AM EDT	Small Craft Advisory	BOX		24 hr
Apr 22, 4:49 PM EDT	Special Weather Statement	BOX		26 min

Nearby

Special Weather Statements in Massachusetts, 2016 Special Weather Statements in Connecticut, 2016 Every special weather statement in 2016

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.