Massachusetts, 2001

Hail in Massachusetts, July 12, 2001

July 12, 2001 · NWS BOX · 1 event in 1 county or zone

An isolated severe thunderstorm dropped dime sized hail in Billerica, then strengthened as it moved southeast to Stoneham, where it produced hail as large as golf balls.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS BOX wrote it up.

An isolated severe thunderstorm dropped dime sized hail in Billerica, then strengthened as it moved southeast to Stoneham, where it produced hail as large as golf balls.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before the first event at Jul 12, 12:50 PM EST, 4 hours 25 minutes earlier.

Area forecast discussion, Jul 12, 12:50 PM EST, 4 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
150 PM EDT THU JUL 12 2001

UPR LOW OVER EASTERN CANADA SENDING ONE SHORTWAVE ACROSS FA THIS
EVE.  INSTAB FROM SOLAR HEATING CONTRIBUTING TO THIS EVE
CONVECTION.  SHRA/TSRA WILL DISSIPATE AFTER SUNSET.

MORE OF THE SAME FRI AS UPR LO REMAINS IN PLACE AND PROGGS SHOWING
YET ANOTHER H5 VORT MOVG ACROSS FA 18Z-00Z.  PM CONVECTION NIL ON
SAT AS UPR LOW FINALLY MOVES FAR ENUF TO dTHE NE SO THAT INFLUENCE ON
REGION AT A MIN.

MARINE HEADLINES REMAIN AS IS FOR NOW AS WINDS NEAR COAST BORDERLINE
SCA.

.BOX...SCA BOS HAR AND NAR BAY.

FRANKLIN

The radar

The Boston radar (KBOX), 67 km away, was scanning. The volume nearest the first event began at 22:15 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Middlesex

When
July 12, 5:15 PM EST to 5:28 PM EST
Where
Middlesex County, Billerica
Measured
1.5 in hail
Reported by
AMATEUR RADIO
Coordinates
42.550, -71.267

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Massachusetts in 2001Every state in 2001This day in weather historyWarnings in Massachusetts, July 2001

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5258429.