Alert archive / Massachusetts / Wind Advisories in 2017

Wind Advisory 18, NWS Boston/Norton, MA

May 15, 2017Franklin County, Hampden County, Hampshire County, Massachusetts; Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this wind advisory at May 15, 2017, 2:22 PM EDT for Franklin County, Hampden County, Hampshire County, Massachusetts; Capitol Planning Region, Connecticut. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 15, 2017, 2:22 PM EDT (18:22 UTC)
Expired
May 15, 2017, 7:00 PM EDT
In force
5 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Franklin County, MA, Hampden County, MA, Hampshire County, MA

The radar

The Boston radar (KBOX), 125 km from the middle of the area, began a volume at 18:22 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, 6.4 hours before the alert went out and 113 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, Albany, NY at 12:00Z on 2017-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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, Albany, NY at 12:00Z on 2017-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 square meters per square second.19395878Sfc1 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
827 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
405 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

286 
WWUS71 KBOX 151822
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Taunton MA
222 PM EDT Mon May 15 2017

CTZ002-003-MAZ002-003-008>011-152300-
/O.NEW.KBOX.WI.Y.0018.170515T1822Z-170515T2300Z/
Hartford CT-Tolland CT-Western Franklin MA-Eastern Franklin MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Eastern Hampden MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Charlemont, Greenfield, Orange, Chesterfield, Blandford, Amherst,
Northampton, and Springfield
222 PM EDT Mon May 15 2017

...WIND ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

The National Weather Service in Taunton has issued a Wind
Advisory, which is in effect until 7 PM EDT this evening.

* Location...The Connecticut River Valley which includes the
  cities and towns of Hartford, Windsor Locks, Union, Vernon,
  Charlemont, Greenfield, Orange, Chesterfield, Blandford,
  Amherst, Northampton and Springfield.

* Winds...Northwest 15 to 25 mph with gusts up to 40 mph.

* Timing...until 7 pm.

* Impacts...Winds this strong are capable of downing small tree 
  limbs and branches, possibly causing isolated power outages. 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 31 to 39 mph are
expected, with gusts between 46 to 57 mph. Winds this strong are
capable of downing small tree limbs and branches, possibly
causing isolated power outages. Driving can also be difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

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Nearby

Wind Advisories in Massachusetts, 2017Wind Advisories in Connecticut, 2017Every wind advisory in 2017

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.