New Hampshire, 2002

Heavy Snow in New Hampshire, March 18 to 19, 2002

March 18 to 19, 2002 · NWS GYX · 3 events in 3 counties and zones

A weakening area of low pressure moving eastward from the Great Lakes brought a moderate snowfall to much of the state. Snowfall accumulations were generally in the 3 to 6 inch range across much of the state with 1 to 3 inches across the southeastern part of the state.

Where it happened

Every event with a place to put it; 3 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
3

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 GYX wrote it up.

A weakening area of low pressure moving eastward from the Great Lakes brought a moderate snowfall to much of the state. Snowfall accumulations were generally in the 3 to 6 inch range across much of the state with 1 to 3 inches across the southeastern part of the state.

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 Gray, ME wrote its last area forecast discussion before the first event at Mar 18, 5:50 AM EST, 3 hours 10 minutes earlier.

Area forecast discussion, Mar 18, 5:50 AM EST, 3 hours 10 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GRAY ME
550 AM EST MON MAR 18 2002

AWIPS RADAR MOSAIC AND MORE IMPORTANTLY SFC OBS ARE SHOWING THE SN
GETTING THRU THE INITIAL DRY CONDITIONS AND FALLING IN SRN VT ATTM.
SINCE SOME THIS ACTIVITY CUD AFFECT NH THIS MRNG...UPDATED THE ZND
TO MENTION MAINLY THIS FTN FOR THE SN...TO COVER WHAT MAY FALL THIS
AM.

NO OTHER CHANGES TO THE FCST.

.GYX...NONE.

HAYES

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 heavy snow. Local standard time, as filed.

Heavy Snow, Merrimack

When
March 18, 9:00 AM EST to March 19, 10:00 AM EST
Where
Merrimack forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.298, -71.680 (the zone’s center; the record gives no point)

Heavy Snow, Northern Coos

When
March 18, 9:00 AM EST to March 19, 10:00 AM EST
Where
Northern Coos forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
44.690, -71.305 (the zone’s center; the record gives no point)

Heavy Snow, Sullivan

When
March 18, 9:00 AM EST to March 19, 10:00 AM EST
Where
Sullivan forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.361, -72.222 (the zone’s center; the record gives no point)

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

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

The same day elsewhere

More

Every storm in New Hampshire in 2002Every state in 2002This day in weather historyWarnings in New Hampshire, March 2002

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: 5285867, 5285868, 5285869.