Alert archive / Massachusetts / Special Weather Statements in 2023
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Jun 17, 2023, 4:04 PM EDT for Middlesex County, Suffolk County, Massachusetts. It was in force for 56 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
- Jun 17, 2023, 4:04 PM EDT (20:04 UTC)
- Expired
- Jun 17, 2023, 5:00 PM EDT
- In force
- 56 min
- Issued by
- NWS Boston/Norton, MA
- Hail
- 0.00 in
- Wind
- 30
Counties Middlesex County, MA, Suffolk County, MA
The radar
The Boston radar (KBOX), 49 km from the middle of the area, began a volume at 20:07 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
Gray, ME (KGYX), launched 12:00Z, 8.1 hours before the alert went out and 178 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
- 2 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 62 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 Jun 17, 3:40 PM EDT, 24 minutes earlier.
Area forecast discussion, Jun 17, 3:40 PM EDT, 24 minutes before
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</html>Hazardous weather outlook, Jun 17, 4:10 AM EDT, 11 hours 54 minutes before
Hazardous Weather Outlook National Weather Service Boston/Norton MA 410 AM EDT Sat Jun 17 2023 CTZ002>004-MAZ002>024-026-RIZ001>008-180815- 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- 410 AM EDT Sat Jun 17 2023 This Hazardous Weather Outlook is for northern Connecticut, all of Massachusetts east of Berkshire County, and Rhode Island. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .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>256-180815- 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- 410 AM EDT Sat Jun 17 2023 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...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. For more information on upcoming hazardous weather, please see the Area Forecast Discussion on our webpage for the latest forecast thinking. There is also our Enhanced Hazardous Weather Outlook at www.weather.gov/box/ehwo 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, Jun 17, 1:58 PM EDT, 2 hours 6 minutes before
Special Weather Statement
National Weather Service Boston/Norton MA
158 PM EDT Sat Jun 17 2023
MAZ004-005-026-171845-
Northwest Middlesex County MA-Central Middlesex County MA-
Northern Worcester MA-
158 PM EDT Sat Jun 17 2023
...A narrow band of torrential rainfall in northeastern Worcester
and north central Middlesex Counties through 245 PM EDT...
At 157 PM EDT, Doppler radar was tracking showers and thunderstorms
thunderstorm over Lancaster, or near Leominster. This storm was
nearly stationary.
HAZARD...Minor flooding.
SOURCE...Radar indicated.
IMPACT...Minor nuisance flooding of typically flood prone areas.
Locations impacted include...
Leominster, Fitchburg, Pepperell, Groton, Lunenburg, Townsend,
Littleton, Lancaster, Sterling, Ayer, Shirley and Harvard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Get indoors when you hear thunder. Do not resume outdoor activities
until at least 30 minutes after the storm has passed.
Do not drive through flooded roads or underpasses. Avoid low lying
areas near small streams.
&&
LAT...LON 4265 7154 4259 7150 4258 7150 4255 7153
4255 7154 4252 7153 4246 7177 4255 7176
4262 7171
TIME...MOT...LOC 1757Z 267DEG 3KT 4252 7170
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH
BLSpecial weather statement, Jun 17, 2:41 PM EDT, 1 hour 23 minutes before
Special Weather Statement National Weather Service Boston/Norton MA 241 PM EDT Sat Jun 17 2023 MAZ004-005-026-171945- Northwest Middlesex County MA-Central Middlesex County MA- Northern Worcester MA- 241 PM EDT Sat Jun 17 2023 ...An area of torrential rainfall will impact portions of northeastern Worcester and northwestern Middlesex Counties through 345 PM EDT... At 241 PM EDT, Doppler radar was tracking showers and thunderstorms over Ayer, or 9 miles northeast of Leominster. This storm was nearly stationary. HAZARD...Minor flooding. SOURCE...Radar indicated. IMPACT...Minor nuisance flooding of typically flood prone areas. Locations impacted include... Westford, Pepperell, Tyngsborough, Groton, Lunenburg, Townsend, Littleton, Lancaster, Ayer, Shirley, Harvard, Boxborough, Bolton and Dunstable. PRECAUTIONARY/PREPAREDNESS ACTIONS... Get indoors when you hear thunder. Do not resume outdoor activities until at least 30 minutes after the storm has passed. Do not drive through flooded roads or underpasses. Avoid low lying areas near small streams. && LAT...LON 4270 7152 4254 7140 4246 7167 4271 7178 TIME...MOT...LOC 1839Z 237DEG 1KT 4258 7160 MAX HAIL SIZE...0.00 IN MAX WIND GUST...<30 MPH BL
Local storm report, Jun 17, 3:26 PM EDT, 38 minutes before
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</html>Special weather statement, Jun 17, 3:43 PM EDT, 21 minutes before
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</html>Special weather statement, Jun 17, 4:04 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 |
|---|---|---|---|---|
| Jun 17, 10:17 AM EDT | Special Weather Statement | BOX | Middlesex | 58 min |
| Jun 17, 10:27 AM EDT | Flash Flood Warning | BOX | Middlesex | 89 min |
| Jun 17, 10:42 AM EDT | Special Weather Statement | BOX | Bristol | 63 min |
| Jun 17, 11:32 AM EDT | Special Weather Statement | BOX | Worcester | 58 min |
| Jun 17, 12:38 PM EDT | Special Weather Statement | BOX | Worcester | 67 min |
| Jun 17, 1:44 PM EDT | Special Weather Statement | BOX | Middlesex | 61 min |
| Jun 17, 1:58 PM EDT | Special Weather Statement | BOX | Middlesex | 47 min |
| Jun 17, 2:41 PM EDT | Special Weather Statement | BOX | Middlesex | 64 min |
| Jun 17, 2:56 PM EDT | Small Craft Advisory | BOX | 21 hr | |
| Jun 17, 3:28 PM EDT | Special Weather Statement | BOX | Middlesex | 62 min |
| Jun 17, 3:43 PM EDT | Special Weather Statement | BOX | Bristol | 62 min |
| Jun 17, 4:57 PM EDT | Special Weather Statement | BOX | Norfolk | 63 min |
| Jun 17, 5:55 PM EDT | Special Weather Statement | BOX | Norfolk | 65 min |
| Jun 17, 12:35 PM EDT | Special Weather Statement | BOX | Washington | 55 min |
| Jun 17, 1:18 PM EDT | Special Weather Statement | BOX | Washington | 42 min |
Nearby
Special Weather Statements in Massachusetts, 2023Every special weather statement in 2023
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.