Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Mar 13, 2012, 11:24 PM EDT for Franklin County, Worcester County, Massachusetts. It was in force for 40 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
- Mar 13, 2012, 11:24 PM EDT (03:24 UTC)
- Expired
- Mar 14, 2012, 12:04 AM EDT
- In force
- 40 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Franklin County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 124 km from the middle of the area, began a volume at 03:25 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
Albany, NY (KALY), launched 00:00Z, 3.4 hours before the alert went out and 122 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
- 1577 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
659 WUUS51 KBOX 140324 SVRBOX MAC011-027-140415- /O.NEW.KBOX.SV.W.0001.120314T0324Z-120314T0415Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 1124 PM EDT TUE MAR 13 2012 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS... EAST CENTRAL FRANKLIN COUNTY IN WESTERN MASSACHUSETTS... * UNTIL 1215 AM EDT * AT 1121 PM 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 MONTAGUE...OR NEAR GREENFIELD...AND WAS MOVING EAST AT 25 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...WENDELL...ERVING... WARWICK...ORANGE...ATHOL AND PHILLIPSTON. 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 4271 7223 4253 7210 4253 7258 4263 7259 TIME...MOT...LOC 0324Z 261DEG 22KT 4258 7248 $$ FRANK
5 follow-up statements
240 WWUS51 KBOX 140329 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1129 PM EDT TUE MAR 13 2012 MAC011-027-140415- /O.CON.KBOX.SV.W.0001.000000T0000Z-120314T0415Z/ WORCESTER MA-FRANKLIN MA- 1129 PM EDT TUE MAR 13 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR EAST CENTRAL FRANKLIN AND NORTHWESTERN WORCESTER COUNTIES... AT 1125 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ERVING...OR 7 MILES EAST OF GREENFIELD...MOVING EAST AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WENDELL...ORANGE...ATHOL AND PHILLIPSTON LAT...LON 4255 7253 4262 7253 4271 7223 4253 7210 TIME...MOT...LOC 0329Z 261DEG 22KT 4258 7244 $$ FRANK
435 WWUS51 KBOX 140334 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1134 PM EDT TUE MAR 13 2012 MAC011-027-140415- /O.CON.KBOX.SV.W.0001.000000T0000Z-120314T0415Z/ WORCESTER MA-FRANKLIN MA- 1134 PM EDT TUE MAR 13 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR EAST CENTRAL FRANKLIN AND NORTHWESTERN WORCESTER COUNTIES... AT 1129 PM 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 ERVING...OR 8 MILES EAST OF GREENFIELD...MOVING EAST AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORANGE...ATHOL AND PHILLIPSTON LAT...LON 4255 7250 4262 7249 4271 7223 4253 7210 TIME...MOT...LOC 0334Z 261DEG 22KT 4258 7240 $$ FRANK
765 WWUS51 KBOX 140340 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1140 PM EDT TUE MAR 13 2012 MAC011-027-140415- /O.CON.KBOX.SV.W.0001.000000T0000Z-120314T0415Z/ WORCESTER MA-FRANKLIN MA- 1140 PM EDT TUE MAR 13 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR EAST CENTRAL FRANKLIN AND NORTHWESTERN WORCESTER COUNTIES... AT 1138 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ERVING...OR 12 MILES EAST OF GREENFIELD...MOVING EAST AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORANGE...ATHOL AND PHILLIPSTON LAT...LON 4254 7239 4262 7241 4271 7223 4253 7210 TIME...MOT...LOC 0340Z 261DEG 22KT 4259 7235 $$ FRANK
987 WWUS51 KBOX 140351 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1151 PM EDT TUE MAR 13 2012 MAC011-027-140415- /O.CON.KBOX.SV.W.0001.000000T0000Z-120314T0415Z/ WORCESTER MA-FRANKLIN MA- 1151 PM EDT TUE MAR 13 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR EXTREME EAST CENTRAL FRANKLIN AND NORTHWESTERN WORCESTER COUNTIES... AT 1147 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ATHOL...OR 16 MILES EAST OF GREENFIELD...MOVING EAST AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PHILLIPSTON LAT...LON 4254 7229 4264 7229 4271 7223 4253 7210 TIME...MOT...LOC 0351Z 261DEG 22KT 4260 7226 $$ FRANK
961 WWUS51 KBOX 140404 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1204 AM EDT WED MAR 14 2012 MAC011-027-140411- /O.CAN.KBOX.SV.W.0001.000000T0000Z-120314T0415Z/ WORCESTER MA-FRANKLIN MA- 1204 AM EDT WED MAR 14 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME EAST CENTRAL FRANKLIN AND NORTHWESTERN WORCESTER COUNTIES IS CANCELLED... THE THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE REGION. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. LAT...LON 4254 7229 4264 7229 4271 7223 4253 7210 TIME...MOT...LOC 0401Z 261DEG 22KT 4261 7218 $$ FRANK
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 10:45 PM EDT | Special Weather Statement | BOX | Essex | 45 min |
| Mar 13, 10:51 PM EDT | Special Weather Statement | BOX | Franklin | 39 min |
| Mar 13, 11:06 PM EDT | Special Weather Statement | BOX | Franklin | 39 min |
| Mar 14, 12:10 AM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 50 min |
| Mar 14, 12:43 AM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex, Worcester | 47 min |
| Mar 14, 1:24 AM EDT | Special Weather Statement | BOX | Essex | 51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.