Massachusetts, 2001

Hail in Massachusetts, July 17, 2001

July 17, 2001 · NWS BOX · 1 event in 1 county or zone

An isolated severe thunderstorm dropped quarter-sized hail in Eastham.

Where it happened

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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 quarter-sized hail in Eastham.

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 17, 8:55 AM EST, 5 minutes earlier.

Area forecast discussion, Jul 17, 8:55 AM EST, 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
955 AM EDT TUE JUL 17 2001

SHOWERS AND OCNL TSTMS MOVING THROUGH THE F/A THIS MORNING AS
EXPECTED.  RADARS SHOW MORE PCPN IN NYS MOVING EWD TWD SRN NEW
ENGLAND.  SO CURRENT FCST OF SHOWERS/CHC TSTMS LOOKS FINE.

CURRENT TEMPS IN THE 60S AND L70S...WITH CLDS AND PCPN EXPECTED ALL
AFTN.  CURRENT TEMPS RUNNING 3-5 DEG COOLER THAN FCST BY MOS.  SAT
PIX DON/T SHOW MANY BREAKS UPSTREAM...AND 06Z FCST MODELS SHOW DEEP
MOISTURE AND LIFT THRU AFTN.  WL CHOP BACK MAX TEMPS TO ARND 70...MID
70S ALONG S COAST WHERE TEMPS ARE ALREADY IN THE L70S.  FINAL
DECISIONS ON TEMPS WILL BE MADE FROM 10 AM OBS.

MARINE...TWEAKING THE WsIND DIRECTIONS A LTL BUT NO MAJOR CHANGES
PLANNED.

.BOX...NONE.

WTB/NS

The radar

The Boston radar (KBOX), 98 km away, was scanning. The volume nearest the first event began at 13:57 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Barnstable

When
July 17, 9:00 AM EST
Where
Barnstable County, Eastham
Measured
1 in hail
Reported by
AMATEUR RADIO
Coordinates
41.833, -69.967

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: 5258431.