Alert archive / Massachusetts / Heat Advisories in 2018
Heat Advisory 8, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this heat advisory at Aug 8, 2018, 3:29 AM EDT for 10 counties in Massachusetts; 5 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Aug 8, 2018, 3:29 AM EDT (07:29 UTC)
- Expired
- Aug 8, 2018, 6:00 PM EDT
- In force
- 15 hr
- Issued by
- NWS Boston/Norton, MA
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 43 km from the middle of the area, began a volume at 07:29 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, 7.5 hours before the alert went out and 165 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
- 1768 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Aug 8, 3:29 AM EDT, 0 minutes earlier.
Area forecast discussion, Aug 8, 3:29 AM EDT, 0 minutes before
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</html>Hazardous weather outlook, Aug 7, 8:20 PM EDT, 7 hours 9 minutes before
Hazardous Weather Outlook National Weather Service Boston/Norton MA 820 PM EDT Tue Aug 7 2018 CTZ002>004-MAZ003>007-010>019-026-RIZ001>008-090030- Hartford CT-Tolland CT-Windham CT-Eastern Franklin MA- Northern Worcester MA-Central Middlesex MA-Western Essex MA- Eastern Essex 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-Northern Middlesex MA- Northwest Providence RI-Southeast Providence RI-Western Kent RI- Eastern Kent RI-Bristol RI-Washington RI-Newport RI-Block Island RI- 820 PM EDT Tue Aug 7 2018 ...AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING... This Hazardous Weather Outlook is for northern Connecticut, central Massachusetts, eastern Massachusetts, northeastern Massachusetts, southeastern Massachusetts, western Massachusetts, and Rhode Island. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Air Quality Alert. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. A few strong to severe thunderstorms are possible Wednesday afternoon and evening. Main threat would be very localized strong to damaging wind gusts. In addition...any thunderstorm that develop will be capable of producing torrential rainfall resulting a very localized flood threat. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MAZ002-008-009-020>024-090030- Western Franklin MA-Western Hampshire MA-Western Hampden MA- Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA- Nantucket MA- 820 PM EDT Tue Aug 7 2018 This Hazardous Weather Outlook is for southeastern Massachusetts and western Massachusetts. .DAY ONE...Tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. A few strong to severe thunderstorms are possible Wednesday afternoon and evening. Main threat would be very localized strong to damaging wind gusts. In addition...any thunderstorm that develop will be capable of producing torrential rainfall resulting a very localized flood threat .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. ANZ230>237-250-251-254>256-090030- 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- 820 PM EDT Tue Aug 7 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...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 7, 10:06 PM EDT, 5 hours 23 minutes before
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</html>Local storm report, Aug 7, 10:09 PM EDT, 5 hours 20 minutes before
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</html>Local storm report, Aug 7, 10:35 PM EDT, 4 hours 54 minutes before
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</html>Local storm report, Aug 7, 10:44 PM EDT, 4 hours 45 minutes before
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</html>Local storm report, Aug 7, 10:49 PM EDT, 4 hours 40 minutes before
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</html>Local storm report, Aug 7, 10:51 PM EDT, 4 hours 38 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 7, 8:50 PM EDT | Areal Flood Advisory | BOX | Hampden | 55 min |
| Aug 8, 2:09 PM EDT | Special Weather Statement | BOX | Plymouth | 36 min |
| Aug 8, 3:05 PM EDT | Special Weather Statement | BOX | Norfolk | 40 min |
| Aug 8, 3:14 PM EDT | Areal Flood Advisory | BOX | Norfolk, Suffolk | 39 min |
| Aug 8, 3:54 PM EDT | Areal Flood Advisory | BOX | Norfolk, Worcester | 66 min |
| Aug 8, 4:47 PM EDT | Special Weather Statement | BOX | Hampden | 43 min |
| Aug 8, 4:54 PM EDT | Special Weather Statement | BOX | Franklin | 51 min |
| Aug 8, 4:58 PM EDT | Special Weather Statement | BOX | Franklin | 47 min |
| Aug 8, 5:48 PM EDT | Special Weather Statement | BOX | Franklin | 57 min |
| Aug 8, 6:27 PM EDT | Special Weather Statement | BOX | Worcester | 48 min |
| Aug 8, 7:28 PM EDT | Special Weather Statement | BOX | Middlesex | 47 min |
| Aug 8, 7:38 PM EDT | Areal Flood Advisory | BOX | Essex, Middlesex, Worcester | 82 min |
| Aug 8, 7:44 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 67 min |
| Aug 8, 7:50 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex, Suffolk, Worcester | 55 min |
| Aug 7, 9:35 PM EDT | Flash Flood Warning | BOX | Capitol Planning Region | 94 min |
Nearby
Heat Advisories in Massachusetts, 2018Heat Advisories in Rhode Island, 2018Heat Advisories in Connecticut, 2018Every heat advisory 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.