Massachusetts, 2000

Excessive Heat and Hail in Massachusetts, May 9, 2000

May 9, 2000 · NWS BOX · 2 events in 2 counties and zones

An isolated severe thunderstorm produced quarter size hail in Granville and Southwick. At the Blue Hill Observatory in Milton, the high temperature of 93 degrees broke the previous record high for the date of 92 degrees, set in 1979.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
2

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 produced quarter size hail in Granville and Southwick. At the Blue Hill Observatory in Milton, the high temperature of 93 degrees broke the previous record high for the date of 92 degrees, set in 1979.

The radar

The Boston radar (KBOX), 24 km away, was scanning. The volume nearest the first event began at 23:14 UTC.

Open the radar archive at this moment

Event by event

1 excessive heat, 1 hail. Local standard time, as filed.

Excessive Heat, Eastern Norfolk

When
May 9, 12:00 PM EST to 6:00 PM EST
Where
Eastern Norfolk forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
42.171, -71.184 (the zone’s center; the record gives no point)

Hail, Hampden

When
May 9, 6:15 PM EST to 6:21 PM EST
Where
Hampden County, Granville
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
42.067, -72.867

What these are

Excessive Heat
Heat at or above the local excessive heat warning criteria, or heat that caused deaths.
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 2000Every state in 2000This day in weather historyWarnings in Massachusetts, May 2000

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: 5149921, 5149920.