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 5, 2017, 7:27 PM EDT for Worcester County, Massachusetts. It was in force for 48 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 5, 2017, 7:27 PM EDT (23:27 UTC)
- Expired
- Aug 5, 2017, 8:15 PM EDT
- In force
- 48 min
- Issued by
- NWS Boston/Norton, MA
County Worcester County, MA
The radar
The Boston radar (KBOX), 87 km from the middle of the area, began a volume at 23:30 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, 11.5 hours before the alert went out and 173 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
- 478 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 590 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.3
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 5, 6:47 PM EDT, 40 minutes earlier.
Area forecast discussion, Aug 5, 6:47 PM EDT, 40 minutes before
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</html>Hazardous weather outlook, Aug 5, 2:36 PM EDT, 4 hours 51 minutes before
Hazardous Weather Outlook National Weather Service Taunton MA 236 PM EDT Sat Aug 5 2017 CTZ002>004-MAZ002>024-026-RIZ001>008-061845- 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- 236 PM EDT Sat Aug 5 2017 This Hazardous Weather Outlook is for northern Connecticut, all of Massachusetts except Berkshire County, and Rhode Island. .DAY ONE...This Afternoon and Tonight. A few strong thunderstorms are possible this afternoon mainly across the interior. The main threats are strong winds and briefly heavy rainfall. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ230>237-250-251-254>256-061845- 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- 236 PM EDT Sat Aug 5 2017 This Hazardous Weather Outlook is for Massachusetts and Rhode Island coastal waters. .DAY ONE...This Afternoon and Tonight. A few strong thunderstorms are possible this afternoon mainly across the eastern Massachusetts waters. The main threats are strong winds and very heavy rainfall. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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
Local storm report, Aug 5, 3:46 PM EDT, 3 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
346 PM EDT SAT AUG 05 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0340 PM FLOOD NORTHAMPTON 42.33N 72.68W
08/05/2017 HAMPSHIRE MA TRAINED SPOTTER
UNDERPASS ON NORTH STREET BY MARKET STREET FLOODED
&&
AEDSpecial weather statement, Aug 5, 4:17 PM EDT, 3 hours 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE Taunton MA 417 PM EDT SAT AUG 5 2017 MAZ004-052100- Northern Worcester MA- 417 PM EDT SAT AUG 5 2017 ...Strong Thunderstorm in northwestern Worcester County... At 417 PM EDT, Doppler radar was tracking a strong thunderstorm over Phillipston, or 8 miles east of Orange, moving northeast at 25 mph. Pea size hail and winds in excess of 40 mph will accompany this storm. Locations impacted include... Gardner, Athol, Winchendon, Templeton, Ashburnham, Phillipston, Royalston and Petersham. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roads or underpasses. Avoid low lying areas near small streams. && LAT...LON 4250 7222 4263 7222 4271 7207 4267 7191 TIME...MOT...LOC 2017Z 239DEG 23KT 4258 7214 Frank
Special weather statement, Aug 5, 4:32 PM EDT, 2 hours 55 minutes before
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</html>Local storm report, Aug 5, 4:44 PM EDT, 2 hours 43 minutes before
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</html>Special weather statement, Aug 5, 7:27 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 8:42 PM EDT | Dense Fog Advisory | BOX | Barnstable, Dukes, Nantucket | 13 hr |
| Aug 5, 3:37 AM EDT | Small Craft Advisory | BOX | 36 hr | |
| Aug 5, 8:49 AM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire, Worcester | 116 min |
| Aug 5, 9:39 AM EDT | Areal Flood Advisory | BOX | Worcester | 2 hr |
| Aug 5, 1:04 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire, Worcester | 56 min |
| Aug 5, 2:45 PM EDT | Special Weather Statement | BOX | Hampshire | 45 min |
| Aug 5, 3:01 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 44 min |
| Aug 5, 3:04 PM EDT | Areal Flood Warning | BOX | Hampden, Hampshire | 116 min |
| Aug 5, 3:22 PM EDT | Special Weather Statement | BOX | Franklin | 38 min |
| Aug 5, 3:38 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 10 min |
| Aug 5, 4:17 PM EDT | Special Weather Statement | BOX | Worcester | 43 min |
| Aug 5, 4:32 PM EDT | Special Weather Statement | BOX | Worcester | 43 min |
| Aug 5, 4:56 PM EDT | Special Weather Statement | BOX | Worcester | 34 min |
| Aug 5, 7:42 AM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 2 hr |
| Aug 5, 7:51 AM EDT | Special Weather Statement | BOX | 39 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; radar from the NEXRAD Level II archive.