Alert archive / Massachusetts / Tornado Warnings in 2025

Tornado Warning 2, NWS Boston/Norton, MA

September 6, 2025Hampden County, Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this tornado warning at Sep 6, 2025, 2:18 PM EDT for Hampden County, Hampshire County, Massachusetts. It was in force for 42 min. 11 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: Sep 6, 2025, 2:18 PM EDT (18:18 UTC)
Expired: Sep 6, 2025, 3:00 PM EDT
In force: 42 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Hampden County, MA, Hampshire County, MA

The radar

The Albany radar (KENX), 101 km from the middle of the area, began a volume at 18:17 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
Sep 6, 2:35 PM EDT	TSTM WND DMG	3 Nw Blandford, MA	In Blandford, there were trees down near town hall and a roof damaged at the Blandford Fairgrounds Agricultural Building.
Sep 6, 2:50 PM EDT	TSTM WND DMG	1 Sse Westfield, MA	Video confirmation of wires down and on fire (relayed via amateur radio).
Sep 6, 2:50 PM EDT	TSTM WND DMG	1 Sse Westfield, MA	Video confirmation of wires down and on fire (relayed via amateur radio).
Sep 6, 2:55 PM EDT	TSTM WND DMG	2 Sw Northampton, MA	Tree down on house (relayed via AR).
Sep 6, 2:55 PM EDT	TSTM WND DMG	2 Sw Northampton, MA	Tree down on house (relayed via AR).
Sep 6, 2:56 PM EDT	TSTM WND GST 64	Westfield-Barnes Ap, MA
Sep 6, 2:57 PM EDT	TSTM WND DMG	1 Sse Southampton, MA	Multiple large trees down on power lines near Clark Street in Southampton (relayed via amateur radio).
Sep 6, 2:57 PM EDT	TSTM WND DMG	1 Sse Southampton, MA	Multiple large trees down on power lines near Clark Street in Southampton (relayed via amateur radio).
Sep 6, 2:57 PM EDT	TSTM WND DMG	Southampton, MA	Route 10 closed due to downed trees (relayed via amateur radio).
Sep 6, 2:57 PM EDT	TSTM WND DMG	Southampton, MA	Route 10 closed due to downed trees (relayed via amateur radio).
Sep 6, 3:05 PM EDT	TSTM WND DMG	2 Ese Granville, MA	In Southwick, a large tree and wires were down.

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
Sep 6, 1:13 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.3 hours before the alert went out and 92 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1648 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

484 
WFUS51 KBOX 061818
TORBOX
MAC013-015-061900-
/O.NEW.KBOX.TO.W.0002.250906T1818Z-250906T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Boston/Norton MA
218 PM EDT Sat Sep 6 2025

The National Weather Service in Boston/Norton has issued a

* Tornado Warning for...
  Southwestern Hampshire County in western Massachusetts...
  Western Hampden County in western Massachusetts...

* Until 300 PM EDT.

* At 217 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Sandisfield, or 12 miles southeast of Great
  Barrington, moving northeast at 45 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Russell, Granville, Chester, Blandford, and Tolland around 225 PM 
  EDT.
  Westfield, Huntington, and Montgomery around 230 PM EDT.
  Southwick, Southampton, and Westhampton around 235 PM EDT.
  Northampton and Easthampton around 240 PM EDT.
  Holyoke, West Springfield, and Chesterfield around 245 PM EDT.
  Williamsburg around 250 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4215 7307 4214 7305 4215 7303 4225 7300
      4230 7300 4242 7273 4211 7260 4203 7291
      4204 7305 4206 7305 4211 7307 4212 7306
TIME...MOT...LOC 1817Z 244DEG 37KT 4210 7316 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Frank

2 follow-up statements

956 
WWUS51 KBOX 061831
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
231 PM EDT Sat Sep 6 2025

MAC013-015-061900-
/O.CON.KBOX.TO.W.0002.000000T0000Z-250906T1900Z/
Hampshire MA-Hampden MA-
231 PM EDT Sat Sep 6 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
SOUTHWESTERN HAMPSHIRE AND WESTERN HAMPDEN COUNTIES...

At 230 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Blandford, or 11 miles west of Westfield, moving
northeast at 45 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Westfield, Southwick, Southampton, Huntington, Russell, 
  Westhampton, Granville, Chester, Blandford, and Montgomery around 
  235 PM EDT.
  Holyoke, Northampton, and Easthampton around 240 PM EDT.
  West Springfield and Chesterfield around 245 PM EDT.
  Williamsburg around 250 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4215 7307 4214 7305 4215 7303 4225 7300
      4230 7300 4242 7273 4211 7260 4203 7291
      4204 7305 4206 7305 4211 7307 4212 7306
TIME...MOT...LOC 1830Z 244DEG 37KT 4216 7299 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Frank

515 
WWUS51 KBOX 061841
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
241 PM EDT Sat Sep 6 2025

MAC013-015-061900-
/O.CON.KBOX.TO.W.0002.000000T0000Z-250906T1900Z/
Hampshire MA-Hampden MA-
241 PM EDT Sat Sep 6 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
SOUTHWESTERN HAMPSHIRE AND WESTERN HAMPDEN COUNTIES...

At 241 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Russell, or 7 miles west of Westfield, moving
northeast at 35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Westfield, Holyoke, Easthampton, Southwick, Southampton, 
  Huntington, Russell, Westhampton, Chester, and Blandford around 
  245 PM EDT.
  Northampton and West Springfield around 250 PM EDT.
  Williamsburg around 300 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4208 7299 4214 7299 4225 7300 4230 7300
      4242 7273 4211 7260 4203 7291 4204 7299
      4205 7299 4206 7300 4207 7300
TIME...MOT...LOC 1841Z 235DEG 27KT 4217 7289 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Frank

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 6, 3:59 AM EDT	Small Craft Advisory	BOX		16 hr
Sep 6, 2:14 PM EDT	Tornado Warning	BOX	Franklin, Hampshire	31 min
Sep 6, 2:29 PM EDT	Severe Thunderstorm Warning	BOX	Hampden	61 min
Sep 6, 2:50 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	55 min
Sep 6, 2:55 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Worcester	35 min
Sep 6, 3:01 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Worcester	44 min
Sep 6, 3:31 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	59 min
Sep 6, 3:51 PM EDT	Severe Thunderstorm Warning	BOX	Hampden	54 min
Sep 6, 4:05 PM EDT	Tornado Warning	BOX	Middlesex, Worcester	40 min
Sep 6, 4:20 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Suffolk	55 min
Sep 6, 4:25 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Middlesex, Norfolk, Worcester	65 min
Sep 6, 4:50 PM EDT	Severe Thunderstorm Warning	BOX	Worcester	55 min
Sep 6, 4:55 PM EDT	Special Marine Warning	BOX		80 min
Sep 6, 5:08 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Norfolk, Suffolk, Worcester	52 min
Sep 6, 5:21 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Middlesex, Norfolk, Plymouth, Worcester	54 min
Sep 6, 5:44 PM EDT	Special Marine Warning	BOX		91 min

Nearby

Tornado Warnings in Massachusetts, 2025 Every tornado warning in 2025 Tornadoes in 2025

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.