Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 102, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Sep 8, 2012, 2:30 PM EDT for Hampden County, Hampshire County, Massachusetts. It was in force for 45 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
- Sep 8, 2012, 2:30 PM EDT (18:30 UTC)
- Expired
- Sep 8, 2012, 3:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Hampden County, MA, Hampshire County, MA
The radar
The Albany radar (KENX), 122 km from the middle of the area, began a volume at 18:29 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 8, 11:18 AM EDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 6.5 hours before the alert went out and 112 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
- 113 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 869 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 294 m²/s²
- 0-3 km storm-relative helicity
- 397 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
545
WUUS51 KBOX 081830
SVRBOX
MAC013-015-081915-
/O.NEW.KBOX.SV.W.0102.120908T1830Z-120908T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
230 PM EDT SAT SEP 8 2012
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
THIS INCLUDES THE CITY OF CHICOPEE...
SOUTH CENTRAL HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 315 PM EDT
* AT 226 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES SOUTHWEST OF
SOUTHWICK...OR 6 MILES SOUTHEAST OF HARTLAND...AND WAS MOVING
NORTHEAST AT 35 MPH. THIS STORM HAS A HISTORY OF DOWNING POWER
LINES IN LITCHFIELD COUNTY CONNECTICUT.
* SOME LOCATIONS IN THE WARNING INCLUDE...WESTFIELD...WEST
SPRINGFIELD...HOLYOKE AND EASTHAMPTON.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS 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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS.
&&
LAT...LON 4228 7268 4220 7248 4204 7269 4204 7276
4203 7275 4200 7277 4200 7281 4204 7282
4204 7288
TIME...MOT...LOC 1829Z 219DEG 30KT 4197 7286
$$
FIELD1 follow-up statement
180
WWUS51 KBOX 081858
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
258 PM EDT SAT SEP 8 2012
MAC013-015-081915-
/O.CON.KBOX.SV.W.0102.000000T0000Z-120908T1915Z/
HAMPSHIRE MA-HAMPDEN MA-
258 PM EDT SAT SEP 8 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR CENTRAL HAMPDEN AND SOUTH CENTRAL HAMPSHIRE COUNTIES...
AT 252 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A STRONG THUNDERSTORM NEAR WESTFIELD...OR 11 MILES
SOUTHWEST OF CHICOPEE...MOVING NORTH AT 30 MPH. THE STORM WAS
SHOWING A WEAKENING TREND ON RADAR BUT WAS STILL CAPABLE OF
PRODUCING LOCALIZED DAMAGING WIND GUSTS. TORRENTIAL RAINS MAY CAUSE
SOME STREET FLOODING.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLYOKE
AND EASTHAMPTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS.
&&
LAT...LON 4207 7274 4208 7282 4215 7279 4228 7268
4226 7263 4224 7258
TIME...MOT...LOC 1856Z 201DEG 26KT 4214 7275
$$
FIELDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 2:06 PM EDT | Special Weather Statement | BOX | Franklin | 24 min |
| Sep 8, 3:51 PM EDT | Special Weather Statement | BOX | Hampden | 24 min |
| Sep 8, 5:09 PM EDT | Special Weather Statement | BOX | Middlesex | 51 min |
| Sep 8, 5:32 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex, Worcester | 36 min |
| Sep 8, 5:45 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 60 min |
| Sep 8, 5:56 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 64 min |
| Sep 8, 6:31 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Worcester | 59 min |
| Sep 8, 6:50 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 25 min |
| Sep 8, 6:58 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 32 min |
| Sep 8, 7:15 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 30 min |
| Sep 8, 7:30 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Worcester | 60 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.