Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 3, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at May 27, 2015, 5:29 PM EDT for Franklin County, Hampden County, Hampshire County, Massachusetts. It was in force for 61 min. 9 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
- May 27, 2015, 5:29 PM EDT (21:29 UTC)
- Expired
- May 27, 2015, 6:30 PM EDT
- In force
- 61 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA
The radar
The Albany radar (KENX), 93 km from the middle of the area, began a volume at 21:30 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 |
|---|---|---|---|
| May 27, 6:18 PM EDT | TSTM WND DMG | Worthington Center, MA | TWO TREES DOWN...ONE OFF OF NORTH ROAD. |
| May 27, 6:33 PM EDT | TSTM WND DMG | Goshen, MA | TREE DOWN ON WIRES ON SPRUCE CORNER ROAD. |
| May 27, 6:35 PM EDT | TSTM WND DMG | Northfield, MA | TREE DOWN BLOCKING PINE MEADOW ROAD. |
| May 27, 6:37 PM EDT | TSTM WND DMG | Shelburne, MA | TREES AND WIRES DOWN ON SOUTH SHELBURNE ROAD...LUCY FISKE ROAD...AND BARDWELLS FERRY ROAD |
| May 27, 6:38 PM EDT | TSTM WND DMG | Conway, MA | TREE DOWN BLOCKING ROARING BROOK ROAD. |
| May 27, 6:38 PM EDT | TSTM WND DMG | Conway, MA | TREES AND WIRES DOWN...AND A TREE ON A HOUSE ON BENT NAIL ROAD. |
| May 27, 6:40 PM EDT | TSTM WND DMG | Deerfield, MA | LARGE TREE DOWN ON WIRES ON HAWKS ROAD. |
| May 27, 6:40 PM EDT | TSTM WND DMG | Deerfield, MA | TREE DOWN BLOCKING RIVER ROAD BETWEEN HILLSIDE AND SUNDERLAND ROADS. |
| May 27, 6:40 PM EDT | TSTM WND DMG | Greenfield, MA | TREE DOWN ON WIRES ON SHELBURNE 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 |
|---|---|---|---|
| May 27, 5:02 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 9.5 hours before the alert went out and 78 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
- 101 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 994 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 188 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
852
WUUS51 KBOX 272129
SVRBOX
MAC011-013-015-272230-
/O.NEW.KBOX.SV.W.0003.150527T2129Z-150527T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
529 PM EDT WED MAY 27 2015
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...
WESTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 630 PM EDT
* AT 527 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH AND HAIL AS LARGE AS QUARTERS. THESE STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM SOUTHWEST VERMONT INTO EASTERN NEW YORK...
AND WERE MOVING EAST AT 35 MPH.
* SOME LOCATIONS IMPACTED INCLUDE...
WESTFIELD...NORTHAMPTON...GREENFIELD...DEERFIELD...EASTHAMPTON...
MONROE...MONTAGUE...SOUTHAMPTON...SUNDERLAND...HATFIELD...
NORTHFIELD...WILLIAMSBURG...HUNTINGTON...BERNARDSTON...BUCKLAND...
CONWAY...SHELBURNE...ERVING...RUSSELL AND ASHFIELD.
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.
&&
LAT...LON 4215 7307 4215 7303 4231 7300 4233 7306
4238 7307 4239 7301 4266 7295 4267 7300
4270 7295 4270 7302 4274 7302 4272 7238
4206 7287 4204 7295 4204 7305
TIME...MOT...LOC 2127Z 251DEG 32KT 4278 7305 4201 7363
$$
JWD2 follow-up statements
601
WWUS51 KBOX 272152
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
552 PM EDT WED MAY 27 2015
MAC011-013-015-272230-
/O.CON.KBOX.SV.W.0003.000000T0000Z-150527T2230Z/
HAMPSHIRE MA-HAMPDEN MA-FRANKLIN MA-
552 PM EDT WED MAY 27 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR WESTERN HAMPSHIRE...WESTERN HAMPDEN AND FRANKLIN COUNTIES...
AT 551 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR WILMINGTON VERMONT TO NEAR ASHLEY FALLS
MASSACHUSETTS...MOVING EAST AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
WESTFIELD...NORTHAMPTON...GREENFIELD...DEERFIELD...EASTHAMPTON...
MONROE...MONTAGUE...SOUTHAMPTON...SUNDERLAND...HATFIELD...
NORTHFIELD...WILLIAMSBURG...HUNTINGTON...BERNARDSTON...BUCKLAND...
CONWAY...SHELBURNE...ERVING...RUSSELL AND ASHFIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND DESTRUCTIVE HAIL. GO
INSIDE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. DRIVERS SHOULD EXPECT POOR VISIBILITY AND AVOID FLOODED
ROADS.
THIS STORM WAS ALSO PRODUCING FREQUENT LIGHTNING. GO INDOORS
IMMEDIATELY. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING. WAIT UNTIL AT LEAST 30 MINUTES AFTER THE STORM
ENDS TO RESUME OUTDOOR ACTIVITIES.
&&
LAT...LON 4215 7307 4215 7303 4231 7300 4233 7306
4238 7307 4239 7301 4266 7295 4267 7300
4270 7295 4270 7302 4274 7302 4272 7238
4206 7287 4204 7295 4204 7305
TIME...MOT...LOC 2151Z 251DEG 32KT 4284 7279 4208 7337
$$
JWD570
WWUS51 KBOX 272219
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
619 PM EDT WED MAY 27 2015
MAC011-013-015-272230-
/O.CON.KBOX.SV.W.0003.000000T0000Z-150527T2230Z/
HAMPSHIRE MA-HAMPDEN MA-FRANKLIN MA-
619 PM EDT WED MAY 27 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR WESTERN HAMPSHIRE...NORTHWESTERN HAMPDEN AND NORTHWESTERN
FRANKLIN COUNTIES...
AT 618 PM EDT...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 NEAR
CHARLEMONT TO NEAR CHESTER...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
NORTHAMPTON...GREENFIELD...DEERFIELD...MONTAGUE...SOUTHAMPTON...
SUNDERLAND...HATFIELD...NORTHFIELD...WILLIAMSBURG...HUNTINGTON...
BERNARDSTON...BUCKLAND...CONWAY...SHELBURNE...ERVING...RUSSELL...
ASHFIELD...COLRAIN...WESTHAMPTON AND GILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND DESTRUCTIVE HAIL. GO
INSIDE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. DRIVERS SHOULD EXPECT POOR VISIBILITY AND AVOID FLOODED
ROADS.
THIS STORM WAS ALSO PRODUCING FREQUENT LIGHTNING. GO INDOORS
IMMEDIATELY. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING. WAIT UNTIL AT LEAST 30 MINUTES AFTER THE STORM
ENDS TO RESUME OUTDOOR ACTIVITIES.
&&
LAT...LON 4221 7298 4231 7300 4233 7306 4238 7307
4239 7301 4264 7293 4266 7293 4268 7289
4268 7292 4273 7286 4272 7238 4216 7284
4218 7292
TIME...MOT...LOC 2218Z 262DEG 26KT 4263 7281 4223 7293
$$
JWDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 4:49 AM EDT | Small Craft Advisory | BOX | 41 hr | |
| May 27, 6:27 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 50 min |
| May 27, 6:42 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 37 min |
| May 27, 7:21 PM EDT | Special Weather Statement | BOX | Hampshire | 24 min |
| May 27, 7:39 PM EDT | Special Weather Statement | BOX | Hampden | 51 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2015Every severe thunderstorm warning in 2015
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.