Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 62, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 8, 2011, 6:41 AM EDT for Providence County, Rhode Island; Middlesex County, Worcester County, Massachusetts; Northeastern Connecticut Planning Region, Connecticut. It was in force for 38 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
- Jul 8, 2011, 6:41 AM EDT (10:41 UTC)
- Expired
- Jul 8, 2011, 7:19 AM EDT
- In force
- 38 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Northeastern Connecticut Planning Region, CT, Middlesex County, MA, Worcester County, MA, Providence County, RI
The radar
The Boston radar (KBOX), 52 km from the middle of the area, began a volume at 10:40 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 00:00Z, 10.7 hours before the alert went out and 154 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
- 1370 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
452 WUUS51 KBOX 081041 SVRBOX CTC015-MAC017-027-RIC007-081130- /O.NEW.KBOX.SV.W.0062.110708T1041Z-110708T1130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 641 AM EDT FRI JUL 8 2011 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN PROVIDENCE COUNTY IN RHODE ISLAND... SOUTHEASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS... NORTHEASTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT... EXTREME SOUTHWESTERN MIDDLESEX COUNTY IN SOUTHEAST MASSACHUSETTS... * UNTIL 730 AM EDT * AT 635 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR DUDLEY...OR 9 MILES NORTHWEST OF PUTNAM...AND WAS MOVING EAST AT 20 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...WEBSTER...OXFORD... MILLBURY...SUTTON...DOUGLAS...WHITINSVILLE...NORTHBRIDGE... UXBRIDGE...UPTON AND MILLVILLE. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL...AS WELL AS DEADLY LIGHTNING AND TORRENTIAL RAIN. GET TO SAFE SHELTER NOW... INSIDE A STURDY BUILDING OR IN A VEHICLE. DO NOT SEEK SHELTER UNDER TREES. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. DRIVERS SHOULD BE ALERT FOR PONDING OF WATER AND AVOID FLOODED ROADS. && LAT...LON 4223 7155 4195 7156 4197 7199 4213 7202 TIME...MOT...LOC 1041Z 262DEG 19KT 4204 7194 $$ SIPPRELL
2 follow-up statements
162 WWUS51 KBOX 081058 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 658 AM EDT FRI JUL 8 2011 CTC015-MAC017-027-RIC007-081130- /O.CON.KBOX.SV.W.0062.000000T0000Z-110708T1130Z/ WINDHAM CT-MIDDLESEX MA-WORCESTER MA-PROVIDENCE RI- 658 AM EDT FRI JUL 8 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM EDT FOR NORTHWESTERN PROVIDENCE...SOUTHEASTERN WORCESTER...EXTREME SOUTHWESTERN MIDDLESEX AND NORTHEASTERN WINDHAM COUNTIES... AT 655 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR DOUGLAS...OR 10 MILES NORTHEAST OF PUTNAM...MOVING EAST AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITINSVILLE...NORTHBRIDGE...UPTON...UXBRIDGE AND MILLVILLE PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. && LAT...LON 4216 7185 4223 7155 4195 7156 4196 7183 TIME...MOT...LOC 1058Z 265DEG 21KT 4203 7175 $$ SIPPRELL
524 WWUS51 KBOX 081119 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 719 AM EDT FRI JUL 8 2011 CTC015-MAC017-027-RIC007-081127- /O.CAN.KBOX.SV.W.0062.000000T0000Z-110708T1130Z/ WINDHAM CT-MIDDLESEX MA-WORCESTER MA-PROVIDENCE RI- 719 AM EDT FRI JUL 8 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PROVIDENCE... SOUTHEASTERN WORCESTER...EXTREME SOUTHWESTERN MIDDLESEX AND NORTHEASTERN WINDHAM COUNTIES IS CANCELLED... THE STORM HAS MOVED OUT OF THE WARNED AREA. A SEVERE THUNDERSTORM WARNING CONTINUES FOR AREAS EAST OF THE PREVIOUS WARNED AREA. LAT...LON 4216 7185 4223 7155 4195 7156 4196 7183 TIME...MOT...LOC 1117Z 265DEG 21KT 4204 7160 $$ SIPPRELL
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 7:02 AM EDT | Severe Thunderstorm Warning | BOX | Providence | 34 min |
| Jul 8, 8:17 AM EDT | Special Weather Statement | BOX | Bristol, Kent | 58 min |
| Jul 8, 8:34 AM EDT | Areal Flood Advisory | BOX | Bristol, Kent, Newport, Providence, Washington | 71 min |
| Jul 8, 9:12 AM EDT | Areal Flood Advisory | BOX | Newport | 2 hr |
| Jul 8, 11:28 AM EDT | Special Weather Statement | BOX | Providence | 62 min |
| Jul 8, 11:46 AM EDT | Areal Flood Advisory | BOX | Kent, Providence | 93 min |
| Jul 8, 5:03 AM EDT | Special Weather Statement | BOX | Hampshire | 42 min |
| Jul 8, 5:18 AM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 42 min |
| Jul 8, 6:00 AM EDT | Special Weather Statement | BOX | Worcester | 45 min |
| Jul 8, 6:34 AM EDT | Special Weather Statement | BOX | Worcester | 56 min |
| Jul 8, 7:34 AM EDT | Special Weather Statement | BOX | Norfolk | 41 min |
| Jul 8, 8:07 AM EDT | Special Weather Statement | BOX | Plymouth | 53 min |
| Jul 8, 8:20 AM EDT | Areal Flood Advisory | BOX | Bristol, Norfolk, Plymouth | 3 hr |
| Jul 8, 8:39 AM EDT | Special Weather Statement | BOX | Hampden, Hampshire | 66 min |
| Jul 8, 8:57 AM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 27 min |
| Jul 8, 9:50 AM EDT | Special Marine Warning | BOX | 25 min | |
| Jul 8, 10:09 AM EDT | Special Weather Statement | BOX | Barnstable | 66 min |
| Jul 8, 10:43 AM EDT | Areal Flood Advisory | BOX | Barnstable | 94 min |
| Jul 8, 11:06 AM EDT | Special Marine Warning | BOX | 54 min | |
| Jul 8, 11:53 AM EDT | Special Marine Warning | BOX | 67 min | |
| Jul 8, 4:25 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 6 hr |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2011Severe Thunderstorm Warnings in Rhode Island, 2011Severe Thunderstorm Warnings in Connecticut, 2011Every severe thunderstorm warning in 2011
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.