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 Apr 6, 2017, 7:26 PM EDT for Bristol County, Plymouth County, Massachusetts. It was in force for 34 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
- Apr 6, 2017, 7:26 PM EDT (23:26 UTC)
- Expired
- Apr 6, 2017, 8:00 PM EDT
- In force
- 34 min
- Issued by
- NWS Boston/Norton, MA
Counties Bristol County, MA, Plymouth County, MA
The radar
The Boston radar (KBOX), 12 km from the middle of the area, began a volume at 23:25 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
Chatham, MA (KCHH), launched 12:00Z, 11.4 hours before the alert went out and 92 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 816 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 199 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 Apr 6, 7:21 PM EDT, 5 minutes earlier.
Area forecast discussion, Apr 6, 7:21 PM EDT, 5 minutes before
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</html>Hazardous weather outlook, Apr 6, 3:30 PM EDT, 3 hours 56 minutes before
Hazardous Weather Outlook National Weather Service Taunton MA 330 PM EDT Thu Apr 6 2017 CTZ002>004-MAZ002>024-026-RIZ001>008-071930- 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- 330 PM EDT Thu Apr 6 2017 ...FLOOD WATCH IN EFFECT THROUGH FRIDAY EVENING... This Hazardous Weather Outlook is for northern Connecticut, all of Massachusetts except Berkshire County, and Rhode Island. .DAY ONE...Tonight. Isolated severe thunderstorms may produce damaging winds through this evening, mainly in Rhode Island and southeast Massachusetts. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. In addition...Flood Warnings are in effect for some rivers in northern Connecticut, southern Rhode Island and eastern Massachusetts. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation is requested through this evening to monitor flooding. Isolated severe thunderstorms are possible in Rhode Island and southeast Massachusetts. ANZ255-256-071930- 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- 317 PM EDT Thu Apr 6 2017 ...GALE WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING... This Hazardous Weather Outlook is for Massachusetts coastal waters and Rhode Island coastal waters. .DAY ONE...This Afternoon and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Warning. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ231>235-237-250-251-254-071930- Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- Rhode Island Sound-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- 317 PM EDT Thu Apr 6 2017 ...GALE WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING... This Hazardous Weather Outlook is for Massachusetts coastal waters and Rhode Island coastal waters. .DAY ONE...This Afternoon and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Warning. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ230-236-071930- Boston Harbor-Narragansett Bay- 317 PM EDT Thu Apr 6 2017 This Hazardous Weather Outlook is for Massachusetts coastal waters and Rhode Island coastal waters. .DAY ONE...This Afternoon and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. 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, Apr 6, 5:36 PM EDT, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Taunton MA
536 PM EDT THU APR 6 2017
CTZ002-062200-
Hartford CT-
536 PM EDT THU APR 6 2017
...Strong Thunderstorms moving into Hartford County...
At 533 PM EDT, Doppler radar was tracking a strong thunderstorm near
New Haven, moving north at 90 mph. Automated observing stations have
observed 30 to 35 mph winds along the south coast of Connecticut
including areas of New Haven along with frequent lightning.
Winds in excess of 30 mph will accompany this storm along with heavy
rain which may lead to localized urban flooding.
Locations impacted include...
the Hartford metro area as well as New Britain, Meriden, Bristol,
Enfield, Southington, Newington, Windsor, Wethersfield, and
Farmington.
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.
&&
LAT...LON 4203 7301 4203 7282 4200 7281 4200 7277
4203 7275 4203 7260 4164 7267 4155 7282
4157 7285 4155 7285 4156 7288 4156 7295
4163 7293 4164 7299 4180 7302 4181 7295
4188 7295 4190 7291 4197 7289 4197 7303
TIME...MOT...LOC 2133Z 177DEG 77KT 4139 7292
SipprellSpecial weather statement, Apr 6, 5:49 PM EDT, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Taunton MA
549 PM EDT THU APR 6 2017
CTZ002>004-062230-
Hartford CT-Tolland CT-Windham CT-
549 PM EDT THU APR 6 2017
...Line of strong Thunderstorms approaching Windham and Tolland
Counties in Connecticut...
At 546 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Haddam to near Old Lyme to Plum Island.
Movement was north at 85 mph.
These storms have had a history of producing wind gusts in excess of
40 mph over Long Island and such potential is expected to continue
across Northeast Connecticut.
In addition, heavy rain and frequent lightning is to be expected.
There is the possibility of urban and small stream flooding.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Get indoors when these storms approach. 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.
&&
LAT...LON 4203 7262 4203 7211 4182 7179 4164 7179
4163 7196 4166 7216 4171 7224 4169 7227
4167 7227 4164 7233 4161 7233 4159 7239
4160 7241 4158 7246 4165 7251 4163 7268
TIME...MOT...LOC 2146Z 195DEG 73KT 4143 7257 4133 7237 4118 7221
SipprellSpecial weather statement, Apr 6, 6:07 PM EDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Taunton MA
607 PM EDT THU APR 6 2017
CTZ002>004-MAZ004-011-012-062230-
Hartford CT-Tolland CT-Windham CT-Southern Worcester MA-
Eastern Hampden MA-Northern Worcester MA-
607 PM EDT THU APR 6 2017
...A line of strong thunderstorms continues to sweep north across
Connecticut into Southern Central Massachusetts...
At 604 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from South Windsor to near Norwich to 7 miles
southeast of Westerly. Movement was north at 85 mph.
Already reports have been received of hail up to the size of nickels
with observing networks reporting winds in excess of 40 mph.
Threats are expected to continue across the advised area.
Locations impacted include...
Worcester, Springfield, Hartford, Manchester, Chicopee, Enfield,
Holyoke, Glastonbury, Vernon, Windsor, Agawam, Mansfield, Windham,
Plainfield, Ludlow, Grafton and Willimantic.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 intensity and become capable of producing damage.
Stay tuned for updated statements and possible warnings.
&&
LAT...LON 4225 7264 4221 7260 4222 7252 4219 7239
4225 7222 4224 7169 4201 7180 4164 7179
4171 7224 4169 7227 4167 7228 4164 7233
4162 7232 4160 7234 4180 7266
TIME...MOT...LOC 2204Z 180DEG 83KT 4182 7259 4152 7209 4125 7170
SipprellLocal storm report, Apr 6, 7:06 PM EDT, 20 minutes before
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</html>Local storm report, Apr 6, 7:17 PM EDT, 9 minutes before
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</html>Special weather statement, Apr 6, 7:26 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 |
|---|---|---|---|---|
| Apr 6, 3:21 AM EDT | Gale Warning | BOX | 22 hr | |
| Apr 6, 3:21 AM EDT | Small Craft Advisory | BOX | 22 hr | |
| Apr 6, 3:37 AM EDT | Coastal Flood Statement | BOX | Bristol, Plymouth | 16 hr |
| Apr 6, 4:53 PM EDT | Areal Flood Warning | BOX | Essex, Middlesex | 4 hr |
| Apr 6, 6:07 PM EDT | Special Weather Statement | BOX | Hampden | 23 min |
| Apr 6, 6:13 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Worcester | 32 min |
| Apr 6, 6:14 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 4 hr |
| Apr 6, 12:34 PM EDT | River Flood Warning | BOX | Washington | 61 hr |
| Apr 6, 12:34 PM EDT | River Flood Warning | BOX | Capitol Planning Region, Lower Connecticut River Valley Planning Region | 4 days |
| Apr 6, 12:34 PM EDT | River Flood Warning | BOX | Lower Connecticut River Valley Planning Region | 4 days |
| Apr 6, 5:36 PM EDT | Special Weather Statement | BOX | 24 min | |
| Apr 6, 5:49 PM EDT | Special Weather Statement | BOX | 41 min | |
| Apr 6, 6:05 PM EDT | Areal Flood Warning | BOX | Capitol Planning Region | 3 hr |
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.