New Hampshire, 2001

Heavy Snow in New Hampshire, March 9 to 10, 2001

March 9 to 10, 2001 · NWS GYX · 9 events in 9 counties and zones

An area of low pressure off the Mid-Atlantic coast on the 9th developed rapidly as it moved northeastward to near Nova Scotia by the morning of the 10th. Heavy snow developed over much of southern and central New Hampshire as the storm tracked northeastward.

Where it happened

Every event with a place to put it; 9 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
9

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.

An area of low pressure off the Mid-Atlantic coast on the 9th developed rapidly as it moved northeastward to near Nova Scotia by the morning of the 10th. Heavy snow developed over much of southern and central New Hampshire as the storm tracked northeastward. Snowfall amounts across New Hampshire ranged from near nothing in the northern mountains to more than a foot in much of the southeastern part of the state with 15 inches in Gilford, 14 inches in Laconia, and 13 inches in Salisbury and Wakefield.

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 9, 2:30 PM EST, 30 minutes earlier.

Area forecast discussion, Mar 9, 2:30 PM EST, 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
230 PM EST FRI MAR 9 2001

MODLS IN GOOD AGRMNT.  LOW STARTS S OF LONG ISLND NEW YORK...CROSSES
CAPE COD OVNGT AND MOVES THRU THE GULF OF ME SAT.  WL KEEP WINTER
STRM WRNG/ADVSRYS WHERE THEY ARE BUT WL ADD AN EXTRA ZONE FOR THE
FOOTHILLS AS A BUFFER BETWN THE 3 TO 6 INCH SNWFL IN THE MTNS AND 6
TO 10 IN THE S.   SNW HAS SPRD MVD INTO SRN NH AND WL CONT TO SPREAD
ACRS THE REST OF THE FA TWD EVE.  TIDES ARE AGAIN A PRBLM FOR S
COASTAL SXNS AND WL BOOST WATCH TO A CSTL FLOOD WARNING...MNLY FRM
THE ONSHR FLW TNGT.  TMRW MRNG TIDE NOT TIL LATE MRNG WHEN NW WNDS
PICK UP ON THE BACK SIDE OF THE LOW...SO EVENTHO NRML TIDE IS HIER
THE OFFSHR WNDS SHUD HELP PUSH IT OUT TO SEA.  WE DIDNT HAVE THIS
KIND OF ACTVTY IN THE LAST STORM...THE WHOLE EVENT HAD ONSHR FLW.

SNW TAPERS OFF SAT MRNG AS THE CLOSED SYSTEM MOVES OUT TO THE NE.
HI PRES BUILDS IN SAT NGT BUT ANOTHER WK SYSTEM CROSSES THE FA ON
SUN WHICH WL GIVE SOME SNWSHWRS MNLY TO THE MTNS.  THINGS THEN CLR
OUT AGAIN SUN NGT AND MON...BUT ANOTHER WARMER SYSTEM COMES IN FOR
TUE.

GYX...WW ADVSRY MEZ007>009-NHZ001 THRU SAT AM
   ...WW WARNING MEZ012>014-MEZ018>028-NHZ002>010-013-014 THRU SAT AM
   ...CF WARNING MEZ023-024-NHZ014 TNGT AND SAT
   ...GLW.

TEB

The radar

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

Open the radar archive at this moment

Event by event

9 heavy snow. Local standard time, as filed.

Heavy Snow, Belknap

When
March 9, 3:00 PM EST to March 10, 11:00 AM EST
Where
Belknap forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.519, -71.423 (the zone’s center; the record gives no point)

Heavy Snow, Coastal Rockingham

When
March 9, 3:00 PM EST to March 10, 11:00 AM EST
Where
Coastal Rockingham forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
42.985, -71.089 (the zone’s center; the record gives no point)

Heavy Snow, Interior Rockingham

When
March 9, 3:00 PM EST to March 10, 11:00 AM EST
Where
Interior Rockingham forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
42.985, -71.089 (the zone’s center; the record gives no point)

Heavy Snow, Merrimack

When
March 9, 3:00 PM EST to March 10, 11:00 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 Carroll

When
March 9, 3:00 PM EST to March 10, 11:00 AM EST
Where
Northern Carroll forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.874, -71.203 (the zone’s center; the record gives no point)

Heavy Snow, Southern Carroll

When
March 9, 3:00 PM EST to March 10, 11:00 AM EST
Where
Southern Carroll forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.874, -71.203 (the zone’s center; the record gives no point)

Heavy Snow, Southern Grafton

When
March 9, 3:00 PM EST to March 10, 11:00 AM EST
Where
Southern Grafton forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.941, -71.820 (the zone’s center; the record gives no point)

Heavy Snow, Strafford

When
March 9, 3:00 PM EST to March 10, 11:00 AM EST
Where
Strafford forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.297, -71.029 (the zone’s center; the record gives no point)

Heavy Snow, Sullivan

When
March 9, 3:00 PM EST to March 10, 11:00 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 2001Every state in 2001This day in weather historyWarnings in New Hampshire, March 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 2026-10-01. Each event’s entry at NCEI: 5236943, 5236944, 5236945, 5236946, 5236947, 5236948, 5236949, 5236950, 5236951.