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 Sep 26, 2018, 11:18 PM EDT for Middlesex County, Massachusetts. It was in force for 27 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
- Sep 26, 2018, 11:18 PM EDT (03:18 UTC)
- Expired
- Sep 26, 2018, 11:45 PM EDT
- In force
- 27 min
- Issued by
- NWS Boston/Norton, MA
County Middlesex County, MA
The radar
The Boston radar (KBOX), 45 km from the middle of the area, began a volume at 03:21 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
Brookhaven, NY (KOKX), launched 00:00Z, 3.3 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.
- Mixed-layer CAPE
- 276 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
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 Sep 26, 10:22 PM EDT, 56 minutes earlier.
Area forecast discussion, Sep 26, 10:22 PM EDT, 56 minutes before
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</html>Hazardous weather outlook, Sep 26, 4:43 PM EDT, 6 hours 35 minutes before
Hazardous Weather Outlook National Weather Service Boston/Norton MA 443 PM EDT Wed Sep 26 2018 CTZ002>004-MAZ002>024-026-RIZ001>008-272045- 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- 443 PM EDT Wed Sep 26 2018 This Hazardous Weather Outlook is for northern Connecticut, all of Massachusetts east of Berkshire County, and Rhode Island. .DAY ONE...Tonight. Scattered showers and a few thunderstorms may impact the region this evening from west to east, with the greatest risk across western portions of MA and CT. A few of the stronger storms may produce gusty winds and brief torrential downpours. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. ANZ230>237-250-251-254>256-272045- 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- 443 PM EDT Wed Sep 26 2018 This Hazardous Weather Outlook is for Massachusetts and Rhode Island coastal waters. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. 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, Sep 26, 9:58 PM EDT, 1 hour 20 minutes before
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</html>Local storm report, Sep 26, 11:09 PM EDT, 9 minutes before
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</html>Special weather statement, Sep 26, 11:18 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 |
|---|---|---|---|---|
| Sep 26, 8:02 PM EDT | Special Weather Statement | BOX | Franklin | 28 min |
| Sep 26, 8:15 PM EDT | Special Weather Statement | BOX | Hampden | 45 min |
| Sep 26, 8:40 PM EDT | Special Weather Statement | BOX | Worcester | 35 min |
| Sep 26, 8:59 PM EDT | Special Weather Statement | BOX | Hampden | 61 min |
| Sep 26, 9:01 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire, Worcester | 59 min |
| Sep 26, 9:11 PM EDT | Areal Flood Advisory | BOX | Middlesex, Worcester | 2 hr |
| Sep 26, 9:58 PM EDT | Special Weather Statement | BOX | Hampden | 32 min |
| Sep 26, 10:02 PM EDT | Areal Flood Advisory | BOX | Essex, Middlesex | 58 min |
| Sep 26, 10:09 PM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire | 40 min |
| Sep 26, 10:23 PM EDT | Special Weather Statement | BOX | Worcester | 37 min |
| Sep 26, 10:24 PM EDT | Special Weather Statement | BOX | Middlesex | 36 min |
| Sep 26, 10:46 PM EDT | Special Weather Statement | BOX | Essex | 29 min |
| Sep 27, 12:59 AM EDT | Special Weather Statement | BOX | Bristol | 31 min |
| Sep 27, 3:30 PM EDT | Flash Flood Watch | BOX | Barnstable, Bristol, Essex, Hampden, Middlesex, Norfolk and 3 more | 21 hr |
| Sep 27, 12:16 AM EDT | Special Weather Statement | BOX | Bristol, Kent, Newport, Providence, Washington | 44 min |
| Sep 26, 10:59 PM EDT | Areal Flood Advisory | BOX | Northeastern Connecticut Planning Region | 61 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.