Alert archive / Massachusetts / Special Weather Statements in 2017
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Aug 18, 2017, 8:23 AM EDT for Hampshire County, Massachusetts. It was in force for 37 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
- Aug 18, 2017, 8:23 AM EDT (12:23 UTC)
- Expired
- Aug 18, 2017, 9:00 AM EDT
- In force
- 37 min
- Issued by
- NWS Boston/Norton, MA
County Hampshire County, MA
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 0.4 hours before the alert went out and 81 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.
- Mixed-layer CAPE
- 105 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 362 m²/s²
- 0-3 km storm-relative helicity
- 456 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted.
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</html>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 Aug 18, 6:49 AM EDT, 1 hour 34 minutes earlier.
Area forecast discussion, Aug 18, 6:49 AM EDT, 1 hour 34 minutes before
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</head>
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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Please try again in a few minutes.
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</html>Hazardous weather outlook, Aug 18, 6:52 AM EDT, 1 hour 31 minutes before
Hazardous Weather Outlook National Weather Service Taunton MA 652 AM EDT Fri Aug 18 2017 CTZ002>004-MAZ002>024-026-RIZ001>008-191100- Hartford CT-Tolland CT-Windham CT-Western Franklin MA- Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA- Western Essex MA-Eastern Essex MA-Western Hampshire MA- Western Hampden MA-Eastern Hampshire MA-Eastern Hampden MA- Southern Worcester MA-Western Norfolk MA-Southeast Middlesex MA- Suffolk MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- Northern Middlesex MA-Northwest Providence RI- Southeast Providence RI-Western Kent RI-Eastern Kent RI-Bristol RI- Washington RI-Newport RI-Block Island RI- 652 AM EDT Fri Aug 18 2017 This Hazardous Weather Outlook is for northern Connecticut, all of Massachusetts except Berkshire County, and Rhode Island. .DAY ONE...Today and Tonight. There is a low to moderate risk for locally heavy downpours that bring urban and poor drainage flooding this afternoon and tonight. There is a low risk of wind damage this afternoon and evening, mainly in western Massachusetts and Connecticut. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. ANZ230>237-250-251-254>256-191100- Boston Harbor-Cape Cod Bay-Nantucket Sound-Vineyard Sound- Buzzards Bay-Rhode Island Sound-Narragansett Bay-Block Island Sound- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary-Massachusetts Bay and Ipswich Bay- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 652 AM EDT Fri Aug 18 2017 This Hazardous Weather Outlook is for Massachusetts and Rhode Island coastal waters. .DAY ONE...Today and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston
In the hours before
Special weather statement, Aug 18, 8:23 AM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Taunton MA
823 AM EDT FRI AUG 18 2017
MAZ002-003-008>010-181300-
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Eastern Franklin MA-Eastern Hampshire MA-
823 AM EDT FRI AUG 18 2017
...Brief heavy showers moving into western Hampshire and Hampden
Counties...
At 819 AM EDT, Doppler radar was tracking a cluster of heavy rain
showers in Berkshire County from Lenox to South Egremont. Movement
was northeast at 40 mph. Although they will last for only a brief
time, they will produce heavy downpours. A clap or two of thunder is
also possible.
Locations impacted include...
Northampton, Greenfield, Deerfield, Southampton, Williamsburg,
Huntington, Bernardston, Buckland, Conway, Shelburne, Russell,
Ashfield, Colrain, Westhampton, Whately, Chester, Charlemont,
Blandford, Chesterfield and Worthington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be on the lookout for local ponding of water on roadways as these
showers move through.
&&
LAT...LON 4215 7303 4227 7300 4231 7300 4231 7303
4233 7306 4238 7307 4239 7305 4238 7301
4239 7301 4260 7296 4273 7256 4220 7278
4213 7307 4215 7307
TIME...MOT...LOC 1219Z 241DEG 34KT 4236 7316 4207 7335
FieldThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 2:49 PM EDT | Special Weather Statement | BOX | Dukes | 86 min |
| Aug 18, 3:23 PM EDT | Areal Flood Warning | BOX | Dukes | 112 min |
| Aug 18, 3:39 PM EDT | Special Weather Statement | BOX | Dukes | 81 min |
| Aug 18, 1:37 PM EDT | Special Weather Statement | BOX | Newport | 83 min |
Nearby
Special Weather Statements in Massachusetts, 2017Every special weather statement 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.