Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 6, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Feb 25, 2016, 1:57 AM EST for Hampden County, Middlesex County, Worcester County, Massachusetts. It was in force for 48 min. 1 report 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
- Feb 25, 2016, 1:57 AM EST (06:57 UTC)
- Expired
- Feb 25, 2016, 2:45 AM EST
- In force
- 48 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Hampden County, MA, Middlesex County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 80 km from the middle of the area, began a volume at 07:01 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 |
|---|---|---|---|
| Feb 25, 2:22 AM EST | TSTM WND DMG | Barre, MA | TREES DOWN ON SOUTH BARRE ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 24, 11:51 PM EST | Severe Thunderstorm Watch | SPC | 4 hr |
| Feb 25, 1:22 AM EST | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 7.0 hours before the alert went out and 161 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
- 536 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 534 m²/s²
- 0-3 km storm-relative helicity
- 635 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
412
WUUS51 KBOX 250657
SVRBOX
MAC013-017-027-250745-
/O.NEW.KBOX.SV.W.0006.160225T0657Z-160225T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
157 AM EST THU FEB 25 2016
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...
NORTHWESTERN MIDDLESEX COUNTY IN NORTHEASTERN MASSACHUSETTS...
* UNTIL 245 AM EST
* AT 156 AM EST...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF
70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
GARDNER TO NEAR NEW BRAINTREE TO NEAR MONSON...AND WAS MOVING
NORTHEAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
WORCESTER...LEOMINSTER...FITCHBURG...SHREWSBURY...GARDNER...GRAFTON...
HOLDEN...WEBSTER...SOUTHBRIDGE...AUBURN...NORTHBOROUGH...OXFORD...
CLINTON...MILLBURY...CHARLTON...SPENCER...PEPPERELL...DUDLEY...LEICESTER
AND GROTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO
INDOORS AND STAY AWAY FROM WINDOWS. DRIVERS SHOULD PREPARE FOR LOW
VISIBILITY AND AVOID FLOODED ROADS.
THIS IS AN EXTREMELY DANGEROUS SITUATION. MOBILE HOMES AND HIGH
PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO WINDS OF THIS
MAGNITUDE AND MAY BE OVERTURNED. FOR YOUR PROTECTION MOVE
IMMEDIATELY TO A SAFE SHELTER OR TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.
THESE STORMS HAVE THE POTENTIAL TO CAUSE SERIOUS INJURY AND
SIGNIFICANT PROPERTY DAMAGE.
MINOR FLOODING CAN BE EXPECTED FROM TORRENTIAL RAINFALL. DO NOT DRIVE
THROUGH FLOODED ROADS.
&&
LAT...LON 4270 7156 4204 7173 4203 7234 4222 7214
4271 7207
TIME...MOT...LOC 0656Z 209DEG 89KT 4261 7204 4231 7208 4210 7227
$$
MD2 follow-up statements
227
WWUS51 KBOX 250722
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
222 AM EST THU FEB 25 2016
MAC013-250732-
/O.CAN.KBOX.SV.W.0006.000000T0000Z-160225T0745Z/
HAMPDEN MA-
222 AM EST THU FEB 25 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HAMPDEN COUNTY IS
CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA.THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4270 7156 4204 7173 4204 7212 4221 7206
4271 7185
TIME...MOT...LOC 0722Z 209DEG 89KT 4316 7162 4286 7167 4265 7186
$$
MAC017-027-250745-
/O.CON.KBOX.SV.W.0006.000000T0000Z-160225T0745Z/
WORCESTER MA-MIDDLESEX MA-
222 AM EST THU FEB 25 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM EST
FOR CENTRAL WORCESTER AND NORTHWESTERN MIDDLESEX COUNTIES...
AT 222 AM EST...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR HOPKINTON TO
NEAR MILFORD TO NEAR ASHBY...MOVING NORTHEAST AT 100 MPH.
LOCATIONS IMPACTED INCLUDE...
WORCESTER...LEOMINSTER...FITCHBURG...SHREWSBURY...GRAFTON...HOLDEN...
WEBSTER...SOUTHBRIDGE...AUBURN...NORTHBOROUGH...OXFORD...CLINTON...
MILLBURY...CHARLTON...SPENCER...PEPPERELL...DUDLEY...LEICESTER...GROTON AND
LUNENBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 4270 7156 4204 7173 4204 7212 4221 7206
4271 7185
TIME...MOT...LOC 0722Z 209DEG 89KT 4316 7162 4286 7167 4265 7186
$$
MD601
WWUS51 KBOX 250741
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
241 AM EST THU FEB 25 2016
MAC017-027-250751-
/O.EXP.KBOX.SV.W.0006.000000T0000Z-160225T0745Z/
WORCESTER MA-MIDDLESEX MA-
241 AM EST THU FEB 25 2016
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WORCESTER AND
NORTHWESTERN MIDDLESEX COUNTIES WILL EXPIRE AT 245 AM EST...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 4270 7156 4204 7173 4204 7212 4221 7206
4271 7185
TIME...MOT...LOC 0739Z 209DEG 89KT 4316 7162 4286 7167 4265 7186
$$
MDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 10:13 PM EST | Special Weather Statement | BOX | Hampden | 32 min |
| Feb 24, 10:32 PM EST | Special Weather Statement | BOX | Franklin, Hampshire | 28 min |
| Feb 24, 11:24 PM EST | Special Weather Statement | BOX | Franklin, Hampden, Hampshire | 36 min |
| Feb 24, 11:55 PM EST | Special Weather Statement | BOX | Franklin, Hampden, Hampshire, Worcester | 50 min |
| Feb 25, 12:19 AM EST | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 41 min |
| Feb 25, 12:38 AM EST | Special Weather Statement | BOX | Hampden | 52 min |
| Feb 25, 12:55 AM EST | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 50 min |
| Feb 25, 12:58 AM EST | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Worcester | 62 min |
| Feb 25, 1:11 AM EST | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire, Worcester | 3 hr |
| Feb 25, 1:25 AM EST | Areal Flood Warning | BOX | Franklin, Hampden, Hampshire | 4 hr |
| Feb 25, 1:54 AM EST | Severe Thunderstorm Warning | BOX | Hampden | 51 min |
| Feb 25, 2:40 AM EST | Severe Thunderstorm Warning | BOX | Bristol, Essex, Middlesex, Norfolk, Worcester | 50 min |
| Feb 25, 2:56 AM EST | Special Marine Warning | BOX | 64 min | |
| Feb 25, 3:01 AM EST | Severe Thunderstorm Warning | BOX | Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk | 59 min |
| Feb 25, 3:11 AM EST | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Norfolk, Plymouth | 64 min |
| Feb 25, 3:52 AM EST | Severe Thunderstorm Warning | BOX | Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk | 38 min |
| Feb 25, 4:11 AM EST | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Plymouth | 49 min |
| Feb 25, 5:29 AM EST | Areal Flood Warning | BOX | Franklin, Hampden, Hampshire | 2 hr |
| Feb 25, 7:26 AM EST | Areal Flood Warning | BOX | Franklin, Hampshire | 2 hr |
| Feb 25, 8:02 AM EST | River Flood Warning | BOX | Hampden, Hampshire | 17 hr |
| Feb 25, 2:21 PM EST | River Flood Warning | BOX | Franklin, Hampshire | 44 hr |
| Feb 25, 2:21 PM EST | River Flood Warning | BOX | Hampden, Hampshire | 62 hr |
| Feb 25, 2:21 PM EST | River Flood Warning | BOX | Hampden | 71 hr |
| Feb 25, 6:53 PM EST | Small Craft Advisory | BOX | 33 hr |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2016Every severe thunderstorm warning in 2016
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.