Alert archive / Massachusetts / Tornado Warnings in 2020
Tornado Warning 2, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this tornado warning at Aug 2, 2020, 7:28 PM EDT for Hampden County, Hampshire County, Massachusetts. It was in force for 32 min. 2 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
- Aug 2, 2020, 7:28 PM EDT (23:28 UTC)
- Expired
- Aug 2, 2020, 8:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
Counties Hampden County, MA, Hampshire County, MA
The radar
The Albany radar (KENX), 105 km from the middle of the area, began a volume at 23:30 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 |
|---|---|---|---|
| Aug 2, 7:47 PM EDT | TSTM WND DMG | Blandford, MA | TREE DOWN ON BEECH HILL ROAD, WIRES DOWN. |
| Aug 2, 8:09 PM EDT | TSTM WND DMG | Blandford, MA | POWER POLE SNAPPED WITH TREES AND WIRES DOWN ON EAST OTIS 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 |
|---|---|---|---|
| Aug 2, 3:10 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 11.5 hours before the alert went out and 94 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
- 60 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
251
WFUS51 KBOX 022328
TORBOX
MAC013-015-030000-
/O.NEW.KBOX.TO.W.0002.200802T2328Z-200803T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Boston/Norton MA
728 PM EDT Sun Aug 2 2020
The National Weather Service in Boston/Norton has issued a
* Tornado Warning for...
Southwestern Hampshire County in western Massachusetts...
Northwestern Hampden County in western Massachusetts...
* Until 800 PM EDT.
* At 726 PM EDT, a tornado producing storm was located over
Blandford, or 8 miles northwest of Westfield, moving northeast at
25 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado. In addition, law enforcement in
Sandisfield reported a tornado producing damage on South
Main Street in Sandisfield.
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 tornadic storm will be near...
Montgomery around 740 PM EDT.
Southampton, Huntington and Westhampton around 750 PM EDT.
Easthampton around 755 PM EDT.
Northampton and South Hadley around 800 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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.
&&
LAT...LON 4224 7301 4242 7271 4227 7256 4206 7292
4216 7303
TIME...MOT...LOC 2326Z 229DEG 24KT 4219 7291
TORNADO...OBSERVED
HAIL...<.75IN
$$
Loconto2 follow-up statements
911
WWUS51 KBOX 022344
SVSBOX
Severe Weather Statement
National Weather Service Boston/Norton MA
744 PM EDT Sun Aug 2 2020
MAC013-015-030000-
/O.CON.KBOX.TO.W.0002.000000T0000Z-200803T0000Z/
Hampshire MA-Hampden MA-
744 PM EDT Sun Aug 2 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR
SOUTHWESTERN HAMPSHIRE AND NORTHWESTERN HAMPDEN COUNTIES...
At 743 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Montgomery, or 7 miles north of Westfield, moving
northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation. This storm has a history of
producing tree damage in Tolland as well as damage in
Sandisfield in Berkshire County, Massachusetts.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Northampton, Easthampton, Southampton, Hadley, Williamsburg,
Huntington, Russell, Westhampton, Chester, Blandford, Chesterfield
and Montgomery.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4217 7285 4226 7296 4229 7292 4242 7271
4230 7259
TIME...MOT...LOC 2343Z 229DEG 22KT 4225 7281
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Loconto960
WWUS51 KBOX 022356
SVSBOX
Severe Weather Statement
National Weather Service Boston/Norton MA
756 PM EDT Sun Aug 2 2020
MAC013-015-030005-
/O.EXP.KBOX.TO.W.0002.000000T0000Z-200803T0000Z/
Hampshire MA-Hampden MA-
756 PM EDT Sun Aug 2 2020
...THE TORNADO WARNING FOR SOUTHWESTERN HAMPSHIRE AND NORTHWESTERN
HAMPDEN COUNTIES WILL EXPIRE AT 800 PM EDT...
The tornado threat has diminished to weak and broad rotation and the
Tornado Warning will be allowed to expire. However, damaging winds
remain likely and a Severe Thunderstorm Warning remains in effect
for the area.
A Tornado Watch remains in effect until 1000 PM EDT for western
Massachusetts.
LAT...LON 4217 7285 4226 7296 4229 7292 4242 7271
4230 7259
TIME...MOT...LOC 2355Z 229DEG 24KT 4227 7278
$$
LocontoThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 1:36 PM EDT | Special Weather Statement | BOX | Hampden | 39 min |
| Aug 2, 2:17 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 58 min |
| Aug 2, 4:38 PM EDT | Special Weather Statement | BOX | Middlesex | 52 min |
| Aug 2, 5:30 PM EDT | Special Weather Statement | BOX | Middlesex, Norfolk | 45 min |
| Aug 2, 6:46 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 59 min |
| Aug 2, 6:55 PM EDT | Tornado Warning | BOX | Hampden, Hampshire | 35 min |
| Aug 2, 7:54 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 39 min |
Nearby
Tornado Warnings in Massachusetts, 2020Every tornado warning in 2020Tornadoes in 2020
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.