Alert archive / Massachusetts / Special Weather Statements in 2018
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Aug 14, 2018, 5:22 PM EDT for Middlesex County, Massachusetts. It was in force for 38 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 14, 2018, 5:22 PM EDT (21:22 UTC)
- Expired
- Aug 14, 2018, 6:00 PM EDT
- In force
- 38 min
- Issued by
- NWS Boston/Norton, MA
County Middlesex County, MA
The radar
The Boston radar (KBOX), 84 km from the middle of the area, began a volume at 21:24 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, 9.4 hours before the alert went out and 176 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
- 65 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 614 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 14, 4:19 PM EDT, 1 hour 3 minutes earlier.
Area forecast discussion, Aug 14, 4:19 PM EDT, 1 hour 3 minutes before
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</html>Hazardous weather outlook, Aug 14, 3:57 AM EDT, 13 hours 25 minutes before
Hazardous Weather Outlook National Weather Service Boston/Norton MA 357 AM EDT Tue Aug 14 2018 CTZ002>004-MAZ002>014-017-018-026-RIZ001>008-150800- 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- Northern Bristol MA-Western Plymouth 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- 357 AM EDT Tue Aug 14 2018 This Hazardous Weather Outlook is for northern Connecticut, central Massachusetts, eastern Massachusetts, northeastern Massachusetts, southeastern Massachusetts, western Massachusetts, and Rhode Island. .DAY ONE...Today and tonight. Scattered showers and thunderstorms today may produce heavy rainfall and localized flooding, mainly across interior MA and northern CT. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Friday into Saturday, locally heavy rainfall is again possible from scattered showers and thunderstorms. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MAZ015-016-019>024-150800- Suffolk MA-Eastern Norfolk MA-Eastern Plymouth MA- Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA- Nantucket MA- 357 AM EDT Tue Aug 14 2018 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... This Hazardous Weather Outlook is for eastern Massachusetts and southeastern Massachusetts. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Dense Fog Advisory. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Friday into Saturday, locally heavy rainfall is again possible from scattered showers and thunderstorms. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ230>237-250-251-254>256-150800- 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- 357 AM EDT Tue Aug 14 2018 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...Wednesday through Monday. 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 14, 2:47 PM EDT, 2 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
247 PM EDT TUE AUG 14 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1230 PM TSTM WND DMG WARE 42.25N 72.25W
08/14/2018 HAMPSHIRE MA AMATEUR RADIO
TREE DOWN ON WIRES ON CRESCENT STREET
1244 PM TSTM WND DMG PETERSHAM 42.48N 72.18W
08/14/2018 WORCESTER MA AMATEUR RADIO
TREE DOWN ACROSS ROUTE 32
0208 PM FLOOD LEOMINSTER 42.52N 71.77W
08/14/2018 WORCESTER MA AMATEUR RADIO
WASHINGTON SQUARE IMPASSABLE DUE TO FLOODING. ONE CAR
STUCK IN WATER.
0208 PM FLOOD LEOMINSTER 42.52N 71.77W
08/14/2018 WORCESTER MA AMATEUR RADIO
ROUTE 2 WESTBOUND EXIT 31B RAMP IS FLOODED AND
IMPASSABLE.
0208 PM FLOOD LEOMINSTER 42.52N 71.77W
08/14/2018 WORCESTER MA AMATEUR RADIO
LANCASTER AND GRAHAM STREET CLOSED DUE TO FLOODING
&&
EVENT NUMBER BOX1804451
EVENT NUMBER BOX1804452
EVENT NUMBER BOX1804453
EVENT NUMBER BOX1804454
EVENT NUMBER BOX1804455
LECSpecial weather statement, Aug 14, 3:28 PM EDT, 1 hour 54 minutes before
Special Weather Statement National Weather Service Boston/Norton MA 328 PM EDT TUE AUG 14 2018 MAZ003-004-010-142015- Northern Worcester MA-Eastern Franklin MA-Eastern Hampshire MA- 328 PM EDT TUE AUG 14 2018 ...STRONG THUNDERSTORMS DEVELOPING... At 327 PM EDT, Doppler radar was tracking a strong thunderstorm over Pelham, or near Amherst, moving north at 35 mph. Winds in excess of 30 mph will accompany this storm. Torrential rainfall with low visibility is also possible. Locations impacted include... Amherst, Orange, Belchertown, Athol, Winchendon, Ware, Montague, Granby, Winchester, Northfield, Hardwick, Fitzwilliam, Leverett, Erving, Shutesbury, Phillipston, Pelham, Royalston, Petersham and Richmond. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roads or underpasses. Avoid low lying areas near small streams. Frequent lightning was occurring. Lightning can strike far away from the storm. Go inside a building or vehicle. Wait at least 30 minutes until after the storm has passed to resume outdoor activities. These storms may intensify and become capable of producing damage. Stay tuned for updated statements and possible warnings. && LAT...LON 4272 7209 4225 7230 4229 7253 4273 7244 TIME...MOT...LOC 1927Z 193DEG 30KT 4236 7239 Belk
Special weather statement, Aug 14, 3:41 PM EDT, 1 hour 41 minutes before
Special Weather Statement
National Weather Service Boston/Norton MA
341 PM EDT TUE AUG 14 2018
MAZ005>007-014-015-142045-
Eastern Essex MA-Suffolk MA-Central Middlesex County MA-
Western Essex MA-Southeast Middlesex MA-
341 PM EDT TUE AUG 14 2018
...STRONG THUNDERSTORMS DEVELOPING...
At 340 PM EDT, Doppler radar was tracking a strong thunderstorm over
Saugus, moving northeast at 20 mph.
Winds in excess of 30 mph will accompany this storm. Torrential
rainfall with low visibility is also possible.
Locations impacted include...
Boston, Lynn, Malden, Medford, Revere, Peabody, Everett, Salem,
Beverly, Woburn, Chelsea, Gloucester, Melrose, Saugus, Danvers,
Wakefield, Reading, Stoneham, Winchester and Marblehead.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Get indoors when this storm approaches. Winds may be strong enough to
produce minor damage, such as a few downed branches.
These storms may intensify and become capable of producing damage.
Stay tuned for updated statements and possible warnings.
&&
LAT...LON 4270 7075 4267 7070 4270 7062 4267 7059
4255 7074 4255 7077 4249 7081 4244 7091
4241 7092 4242 7095 4239 7095 4236 7098
4247 7117 4281 7086 4281 7082 4283 7083
4282 7085 4286 7082
TIME...MOT...LOC 1940Z 218DEG 19KT 4247 7102
BelkSpecial weather statement, Aug 14, 3:51 PM EDT, 1 hour 31 minutes before
Special Weather Statement National Weather Service Boston/Norton MA 351 PM EDT TUE AUG 14 2018 MAZ004-005-012-026-142045- Northwest Middlesex County MA-Southern Worcester MA- Central Middlesex County MA-Northern Worcester MA- 351 PM EDT TUE AUG 14 2018 ...STRONG THUNDERSTORMS DEVELOPING... At 350 PM EDT, Doppler radar was tracking a strong thunderstorm over Leicester, or 7 miles southwest of Worcester, moving northeast at 10 mph. Winds in excess of 30 mph will accompany this storm. Torrential rainfall with low visibility is also possible with this storm. Locations impacted include... Worcester, Leominster, Fitchburg, Marlborough, Shrewsbury, Acton, Hudson, Grafton, Holden, Auburn, Northborough, Oxford, Clinton, Millbury, Charlton, Spencer, Leicester, Maynard, Lunenburg and Lancaster. PRECAUTIONARY/PREPAREDNESS ACTIONS... Get indoors when this storm approaches. Winds may be strong enough to produce minor damage, such as a few downed branches. Do not drive through flooded roads or underpasses. Avoid low lying areas near small streams. This storm may intensify and become capable of producing damage. Stay tuned for updated statements and possible warnings. && LAT...LON 4211 7189 4222 7208 4262 7173 4245 7144 TIME...MOT...LOC 1950Z 206DEG 10KT 4222 7193 Belk
Special weather statement, Aug 14, 4:01 PM EDT, 1 hour 21 minutes before
Special Weather Statement National Weather Service Boston/Norton MA 401 PM EDT TUE AUG 14 2018 MAZ003-004-026-142100- Northwest Middlesex County MA-Northern Worcester MA- Eastern Franklin MA- 401 PM EDT TUE AUG 14 2018 ...STRONG THUNDERSTORMS DEVELOPING... At 400 PM EDT, Doppler radar was tracking a strong thunderstorm near Petersham, or 11 miles southeast of Orange, moving north at 15 mph. Winds in excess of 30 mph will accompany this storm. Torrential rainfall with low visibility is also possible with this storm. Locations impacted include... Gardner, Athol, Winchendon, Templeton, Westminster, Ashburnham, Barre, Hubbardston, Ashby, Hardwick, Oakham, Phillipston, Royalston, Petersham and New Salem. PRECAUTIONARY/PREPAREDNESS ACTIONS... Get indoors when this storm approaches. Winds may be strong enough to produce minor damage, such as a few downed branches. Do not drive through flooded roads or underpasses. Avoid low lying areas near small streams. This storm may intensify and become capable of producing damage. Stay tuned for updated statements and possible warnings. && LAT...LON 4271 7183 4237 7206 4243 7230 4272 7219 TIME...MOT...LOC 2000Z 201DEG 14KT 4247 7215 Belk
Special weather statement, Aug 14, 5:22 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 13, 10:26 PM EDT | Special Weather Statement | BOX | Suffolk | 79 min |
| Aug 14, 3:45 AM EDT | Small Craft Advisory | BOX | 48 hr | |
| Aug 14, 3:47 AM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth and 1 more | 5 hr |
| Aug 14, 10:51 AM EDT | Special Weather Statement | BOX | Hampden | 39 min |
| Aug 14, 11:26 AM EDT | Special Weather Statement | BOX | Hampden | 49 min |
| Aug 14, 11:59 AM EDT | Special Weather Statement | BOX | Franklin | 46 min |
| Aug 14, 12:14 PM EDT | Special Weather Statement | BOX | Franklin | 46 min |
| Aug 14, 12:24 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 30 min |
| Aug 14, 12:32 PM EDT | Special Weather Statement | BOX | Worcester | 43 min |
| Aug 14, 1:49 PM EDT | Special Weather Statement | BOX | Middlesex | 41 min |
| Aug 14, 2:44 PM EDT | Special Weather Statement | BOX | Hampshire | 46 min |
| Aug 14, 3:28 PM EDT | Special Weather Statement | BOX | Franklin | 47 min |
| Aug 14, 3:41 PM EDT | Special Weather Statement | BOX | Essex | 64 min |
| Aug 14, 3:44 PM EDT | Areal Flood Advisory | BOX | Essex, Middlesex, Suffolk | 61 min |
| Aug 14, 3:51 PM EDT | Special Weather Statement | BOX | Worcester | 54 min |
| Aug 14, 4:01 PM EDT | Special Weather Statement | BOX | Worcester | 59 min |
| Aug 14, 6:11 PM EDT | Special Weather Statement | BOX | Berkshire | 49 min |
| Aug 14, 7:00 PM EDT | Special Weather Statement | BOX | Franklin | 30 min |
| Aug 14, 7:29 PM EDT | Special Weather Statement | BOX | Franklin | 31 min |
| Aug 14, 7:47 PM EDT | Special Weather Statement | BOX | Essex | 28 min |
| Aug 14, 11:10 AM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 88 min |
| Aug 14, 6:54 PM EDT | Special Weather Statement | BOX | 36 min | |
| Aug 14, 7:24 PM EDT | Special Weather Statement | BOX | 36 min |
Nearby
Special Weather Statements in Massachusetts, 2018Every special weather statement in 2018
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.