Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 17, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 8, 2012, 5:21 PM EDT for 4 counties in Massachusetts. It was in force for 21 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 8, 2012, 5:21 PM EDT (21:21 UTC)
- Expired
- Jun 8, 2012, 5:42 PM EDT
- In force
- 21 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA
The radar
The Boston radar (KBOX), 38 km from the middle of the area, began a volume at 21:23 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 8, 5:23 PM EDT | HAIL 0.75 | Dorchester, MA | AMATEUR RADIO |
| Jun 8, 5:30 PM EDT | HAIL 0.75 | Dorchester, MA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 9.4 hours before the alert went out and 100 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
- 808 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
414
WUUS51 KBOX 082121
SVRBOX
MAC017-021-023-025-082200-
/O.NEW.KBOX.SV.W.0017.120608T2121Z-120608T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
521 PM EDT FRI JUN 8 2012
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN NORFOLK COUNTY IN EASTERN MASSACHUSETTS...
THIS INCLUDES THE CITIES OF...WEYMOUTH...QUINCY...
SOUTHERN SUFFOLK COUNTY IN EASTERN MASSACHUSETTS...
EXTREME SOUTHEASTERN MIDDLESEX COUNTY IN SOUTHEAST MASSACHUSETTS...
NORTHWESTERN PLYMOUTH COUNTY IN SOUTHEAST MASSACHUSETTS...
* UNTIL 600 PM EDT
* AT 517 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM HULL TO QUINCY TO 6 MILES SOUTHWEST OF MILTON...OR ALONG A
LINE EXTENDING FROM 6 MILES NORTHEAST OF BOSTON TO QUINCY TO 9
MILES SOUTH OF BROOKLINE...AND WAS MOVING SOUTHEAST AT 20 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...BRAINTREE...RANDOLPH...
HINGHAM...HOLBROOK...AVON...ABINGTON...ROCKLAND...COHASSET...
WHITMAN...SCITUATE...NORWELL AND HANOVER.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT LIGHTNING WAS
OCCURRING WITH THIS STORM. GET INDOORS OR INSIDE A VEHICLE NOW! DO
NOT SEEK SHELTER UNDER TREES. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 4212 7077 4203 7096 4223 7117 4232 7103
4231 7103 4234 7101 4233 7101 4232 7097
4234 7096 4230 7087 4228 7085 4226 7076
4224 7074 4223 7075 4221 7071
TIME...MOT...LOC 2121Z 314DEG 17KT 4234 7094 4225 7102
4218 7116
$$
SIPPRELL2 follow-up statements
561
WWUS51 KBOX 082134
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
534 PM EDT FRI JUN 8 2012
MAC017-025-082143-
/O.CAN.KBOX.SV.W.0017.000000T0000Z-120608T2200Z/
MIDDLESEX MA-SUFFOLK MA-
534 PM EDT FRI JUN 8 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN SUFFOLK AND EXTREME
SOUTHEASTERN MIDDLESEX COUNTIES IS CANCELLED...
LAT...LON 4212 7077 4203 7096 4221 7108 4231 7090
4230 7088 4228 7085 4226 7076 4224 7074
4223 7075 4221 7071
TIME...MOT...LOC 2133Z 314DEG 17KT 4230 7088 4221 7096
4214 7110
$$
MAC021-023-082200-
/O.CON.KBOX.SV.W.0017.000000T0000Z-120608T2200Z/
NORFOLK MA-PLYMOUTH MA-
534 PM EDT FRI JUN 8 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHWESTERN PLYMOUTH AND EAST CENTRAL NORFOLK COUNTIES...
AT 532 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM HULL TO WEYMOUTH TO
RANDOLPH...OR ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF QUINCY
TO WEYMOUTH TO 6 MILES NORTHWEST OF BROCKTON...MOVING SOUTHEAST AT 20
MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HINGHAM...HOLBROOK...ABINGTON...ROCKLAND...COHASSET...WHITMAN...
SCITUATE...NORWELL AND HANOVER
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM...SEEK SAFE SHELTER AND STAY AWAY FROM
WINDOWS!
&&
LAT...LON 4212 7077 4203 7096 4221 7108 4231 7090
4230 7088 4228 7085 4226 7076 4224 7074
4223 7075 4221 7071
TIME...MOT...LOC 2133Z 314DEG 17KT 4230 7088 4221 7096
4214 7110
$$
SIPPRELL946
WWUS51 KBOX 082142
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
542 PM EDT FRI JUN 8 2012
MAC021-023-082151-
/O.CAN.KBOX.SV.W.0017.000000T0000Z-120608T2200Z/
NORFOLK MA-PLYMOUTH MA-
542 PM EDT FRI JUN 8 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PLYMOUTH AND EAST
CENTRAL NORFOLK COUNTIES IS CANCELLED...
THE THUNDERSTORM MOVING THROUGH NORTHWEST PLYMOUTH COUNTY HAS
WEAKENED AND NO LONGER APPEARS TO BE SEVERE. HEAVY RAIN...WIND GUSTS
UP TO 35 MPH...AND DANGEROUS CLOUD TO GROUND LIGHTNING ARE STILL
EXPECTED. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH
TO A THUNDERSTORM TO BE STRUCK BY LIGHTNING.
LAT...LON 4212 7077 4203 7096 4221 7108 4231 7090
4230 7088 4228 7085 4226 7076 4224 7074
4223 7075 4221 7071
TIME...MOT...LOC 2141Z 314DEG 17KT 4227 7084 4218 7092
4211 7106
$$
SIPPRELLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 4:49 PM EDT | Special Weather Statement | BOX | Suffolk | 26 min |
| Jun 8, 5:00 PM EDT | Special Marine Warning | BOX | 30 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.