Alert archive / Massachusetts / Special Weather Statements in 2022

Special Weather Statement, NWS Boston/Norton, MA

February 27, 20224 counties in Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Feb 27, 2022, 10:10 PM EST for 4 counties in Massachusetts. It was in force for 65 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
Feb 27, 2022, 10:10 PM EST (03:10 UTC)
Expired
Feb 27, 2022, 11:15 PM EST
In force
65 min
Issued by
NWS Boston/Norton, MA

Counties Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 30 km from the middle of the area, began a volume at 03:12 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 00:00Z, 3.2 hours before the alert went out and 197 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-pSkew-T log-p diagram, Gray, ME at 00:00Z on 2022-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 00:00Z on 2022-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
1115 m above ground
0-6 km bulk shear
110 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
-27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

001 
WWUS81 KBOX 280310
SPSBOX

Special Weather Statement
National Weather Service Boston/Norton MA
1010 PM EST Sun Feb 27 2022
 
CTZ004-MAZ004-005-011>019-280415-
Windham CT-Southern Worcester MA-Eastern Plymouth MA-Suffolk MA-
Western Norfolk MA-Northern Bristol MA-Central Middlesex County MA-
Western Plymouth MA-Eastern Norfolk MA-Eastern Hampden MA-
Northern Worcester MA-Southeast Middlesex MA-
1010 PM EST Sun Feb 27 2022

...BRIEF HEAVY SNOW SHOWERS SINKING SOUTH OF I-90...

HAZARDS...A band of heavy snow which can rapidly reduce visibility to
less than one mile.

LOCATION AND MOVEMENT...Brief heavy snow showers which can rapidly 
reduce visibility to less than a half of a mile. This band of heavy 
snow showers may also result in a quick coating of snow on roadways 
and brief strong wind gusts up to 40 mph. Motorists are urged to 
drive with extra caution.

THIS BAND OF HEAVY SNOW WILL BE NEAR...
  Hanover and Cohasset around 1015 PM EST.
  Hanson around 1020 PM EST.
  Pembroke and Norwell around 1025 PM EST.
  Scituate and Kingston around 1030 PM EST.
  Duxbury around 1035 PM EST.
  Marshfield around 1040 PM EST.

SAFETY INFO...
Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time to reach your destination.

&&

LAT...LON 4244 7126 4236 7099 4230 7105 4231 7097
      4229 7102 4226 7097 4230 7093 4225 7096
      4225 7088 4233 7093 4233 7092 4220 7071
      4199 7063 4200 7071 4188 7053 4197 7138
      4202 7138 4204 7211 4258 7227
TIME...MOT...LOC 0308Z 292DEG 23KT 4217 7089 
$$

Frank

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 7:42 PM ESTSpecial Weather StatementBOXEssex, Middlesex48 min
Feb 27, 7:47 PM ESTSpecial Weather StatementBOXWorcester58 min
Feb 27, 8:37 PM ESTSpecial Weather StatementBOXEssex, Middlesex, Suffolk, Worcester53 min
Feb 27, 9:22 PM ESTSpecial Weather StatementBOXMiddlesex, Norfolk, Worcester53 min

Nearby

Special Weather Statements in Massachusetts, 2022Every special weather statement in 2022

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.