New Hampshire, 2005

High Wind in New Hampshire, September 29, 2005

September 29, 2005 · NWS GYX · 12 events in 12 counties and zones

High winds knocked down numerous trees and limbs, which, in turn, knocked down power lines throughout northern, central and southeastern New Hampshire. About 13,000 customers lost electrical service.

Where it happened

Every event with a place to put it; 12 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
$20,000
Crop damage
None recorded
Events
12

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.

High winds knocked down numerous trees and limbs, which, in turn, knocked down power lines throughout northern, central and southeastern New Hampshire. About 13,000 customers lost electrical service. Falling trees damaged vehicles and buildings, and blocked roads. Numerous trees were reported down in Berlin, Milan, and Lancaster in southern Coos County. A tree fell on a truck in Newport while another tree fell on an SUV in Meredith. A tree fell on a home on Route 113 in Madison. Total property damage is estimated at about $20,000.Columbia, in Coos County, reported a peak wind gust of 62 mph. Other measured peak wind gusts included 45 mph in Meredith (Belknap County) and 46 mph in Lebanon (Grafton County).

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 Sep 29, 8:34 AM EST, 2 hours 56 minutes earlier.

Area forecast discussion, Sep 29, 8:34 AM EST, 2 hours 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
934 AM EDT THU SEP 29 2005

.SHORT TERM (REST OF TODAY)...
STRONG COLD FRONT MOVING ACROSS NEW YORK STATE THIS MORNING.
LOCATIONS IN VERMONT GUSTING TO NEAR 50KTS AHEAD OF THE FRONT.
SHOWERS AND THUNDERSTORMS ALONG THE FRONT ARE BRINGING 50KT WINDS
TO THE SURFACE ACROSS MUCH OF THE AREA. WILL UPGRADE THE WIND
ADVISORY TO A HIGH WIND WARNING ACROSS ALL OF CWA. QUITE A BIT OF
DISCUSSION OVER WHETHER THIS IS A HIGH WIND EVENT...OR A SEVERE
THUNDERSTORM EVENT. WILL COVER THE BASES EITHER WAY. FACT OF THE
MATTER IS THAT WE ARE IN FOR A VERY WINDY AFTERNOON...WITH GUSTS
IN EXCESS OF 50KTS AND WIND DAMAGE COMMON. UPDATE ON THE WAY.

&&

.PREVIOUS DISCUSSION...
(ISSUED 232 AM EDT THU SEP 29 2005)

SHORT TERM (TODAY THROUGH THURSDAY NIGHT)...FORECAST PROBLEM OF
THE DAY IS THE UPCOMING WIND EVENT.  VERY TIGHT GRADIENT AHEAD
OF THE APPROACHING FRONT. WINDS LINE UP IN THE VERTICAL WITH
BUFKIT SHOWING AT LEAST 50 TO 60 KTS DOWN TO 2000 FT.  MIX THAT
DOWN TO THE SURFACE ESPECIALLY IN ANY PRECIP/CONVECTION AND IT
LOOKS LIKE WERE IN FOR A BIT OF A BLOW.  HAVE DECIDED TO GO
WITH HIGH WIND WARNING OVER THE HIGHER ELEVATION ZONES OF
NORTHERN NEW HAMPSHIRE AS WELL AS THE WESTERN MOUNTAINS/FOOTHILLS
OF MAINE...WIND ADVISORY ELSEWHERE. THIS WILL FIT IN WELL WITH
ADJACENT FORECAST OFFICES THINKING.  COULD BE A RUMBLE OF
THUNDER WITH APPROACH OF FRONT.  WINDS WILL EASE FROM WEST TO
EAST THIS EVENING AND SHOULD DROP OFF CONSIDERABLY.  COLDER
AIR REGIME ON BACK SIDE OF FRONT TONIGHT WITH TEMPERATURES
GETTING DOWN TO AROUND FREEZING ESPECIALLY WHERE WINDS GO
SLACK.  WILL MENTION SCATTERED FROST AWAY FROM THE COASTAL
ZONES.

LONG TERM (FRIDAY THROUGH WEDNESDAY)...LOOK FOR TEMPERATURES TO
BOTTOM OUT AS HIGH PRESSURE FIRST BUILDS...THEN CRESTS OVER THE
FORECAST AREA BY FRIDAY NIGHT. WITH COOL...DRY AIR IN PLACE AND
THE ATMOSPHERE DECOUPLING...EXPECT MANY AREAS TO RECEIVE A FROST
FRIDAY NIGHT.

MINOR ADJUSTMENTS TO THE DATABASE THROUGH DAY 3. OTHERWISE NO
CHANGES. RIDGE TO DOMINATE OUR WEATHER RIGHT THROUGH EARLY NEXT
WEEK WITH MODERATING TEMPERATURES.

AVIATION...STRONG GUSTY WINDS DEVELOPING WITH LLWS POSSIBLE.
VFR EARLY DROPPING BACK TO MVFR DURING THE MORNING THROUGH
THE AFTERNOON...THEN BACK TO VFR OVERNIGHT.

MARINE...SHORT TERM...GALES THROUGH THIS EVENING.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...HIGH WIND WARNING FOR MEZ007>009-012>014-018>028 UNTIL
     MIDNIGHT FRIDAY.
NH...HIGH WIND WARNING FOR NHZ001>010-013-014 UNTIL 6 PM THURSDAY.
MARINE...GALE WARNING FOR ANZ150 UNTIL MIDNIGHT FRIDAY.
&&
Hazardous weather outlook, Sep 29, 6:07 AM EST, 5 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED TO INCLUDE THUNDERSTORMS
NATIONAL WEATHER SERVICE GRAY ME
707 AM EDT THU SEP 29 2005

ANZ150-MEZ007>009-012>014-018>028-NHZ001>010-013-014-300715-
STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM-NORTHERN OXFORD-
NORTHERN FRANKLIN-CENTRAL SOMERSET-SOUTHERN OXFORD-
SOUTHERN FRANKLIN-SOUTHERN SOMERSET-INTERIOR YORK-
INTERIOR CUMBERLAND-ANDROSCOGGIN-KENNEBEC-INTERIOR WALDO-
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-
COASTAL WALDO-NORTHERN COOS-SOUTHERN COOS-NORTHERN GRAFTON-
NORTHERN CARROLL-SOUTHERN GRAFTON-SOUTHERN CARROLL-SULLIVAN-
MERRIMACK-BELKNAP-STRAFFORD-INTERIOR ROCKINGHAM-
COASTAL ROCKINGHAM-
707 AM EDT THU SEP 29 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN NEW
HAMPSHIRE...WESTERN MAINE...CENTRAL NEW HAMPSHIRE...THE COASTAL
WATERS FROM STONINGTON ME TO THE MERRIMACK RIVER MA AND
SOUTHEASTERN NEW HAMPSHIRE.

.DAY ONE...TODAY AND TONIGHT

A HIGH WIND WARNING IS NOW IN EFFECT TODAY FOR NORTHERN NEW
HAMPSHIRE AND THROUGH LATE THIS EVENING FOR THE WESTERN MOUNTAINS
AND FOOTHILLS OF MAINE. A WIND ADVISORY IS NOW IN EFFECT TODAY FOR
SOUTHERN NEW HAMPSHIRE AND THROUGH LATE THIS EVENING FOR
SOUTHWESTERN MAINE. LASTLY...ISOLATED THUNDERSTORMS MAY CONTAIN
DAMAGING WINDS.  EXPECT TREE LIMBS TO BE DOWNED WITH SOME POWER
OUTAGES.  SEE PWMNPWGYX PRODUCT FOR DETAILS.

A GALE WARNING REMAINS IN EFFECT FOR THE COASTAL WATERS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

.SPOTTER INFORMATION STATEMENT...

SPOTTERS WILL LIKELY BE NEEDED FOR HIGH WIND REPORTS OR ANY DAMAGE
TODAY THROUGH LATE THIS EVENING.

The radar

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

Open the radar archive at this moment

Event by event

12 high wind. Local standard time, as filed.

High Wind, Belknap

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Belknap forecast zone
Measured
50 kt (58 mph) estimated gust
Property damage
$7,000
Reported by
NEWSPAPER
Coordinates
43.519, -71.423 (the zone’s center; the record gives no point)

High Wind, Coastal Rockingham

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Coastal Rockingham forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
NEWSPAPER
Coordinates
42.985, -71.089 (the zone’s center; the record gives no point)

High Wind, Interior Rockingham

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Interior Rockingham forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
NEWSPAPER
Coordinates
42.985, -71.089 (the zone’s center; the record gives no point)

High Wind, Merrimack

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Merrimack forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
NEWSPAPER
Coordinates
43.298, -71.680 (the zone’s center; the record gives no point)

High Wind, Northern Carroll

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Northern Carroll forecast zone
Measured
50 kt (58 mph) estimated gust
Property damage
$13,000
Reported by
NEWSPAPER
Coordinates
43.874, -71.203 (the zone’s center; the record gives no point)

High Wind, Northern Coos

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Northern Coos forecast zone
Measured
54 kt (62 mph) measured gust
Reported by
TRAINED SPOTTER
Coordinates
44.690, -71.305 (the zone’s center; the record gives no point)

High Wind, Northern Grafton

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Northern Grafton forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
NEWSPAPER
Coordinates
43.941, -71.820 (the zone’s center; the record gives no point)

High Wind, Southern Carroll

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Southern Carroll forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
NEWSPAPER
Coordinates
43.874, -71.203 (the zone’s center; the record gives no point)

High Wind, Southern Coos

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Southern Coos forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
LAW ENFORCEMENT
Coordinates
44.690, -71.305 (the zone’s center; the record gives no point)

High Wind, Southern Grafton

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Southern Grafton forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
NEWSPAPER
Coordinates
43.941, -71.820 (the zone’s center; the record gives no point)

High Wind, Strafford

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Strafford forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
NEWSPAPER
Coordinates
43.297, -71.029 (the zone’s center; the record gives no point)

High Wind, Sullivan

When
September 29, 11:30 AM EST to 3:00 PM EST
Where
Sullivan forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
NEWSPAPER
Coordinates
43.361, -72.222 (the zone’s center; the record gives no point)

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

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

The same day elsewhere

More

Every storm in New Hampshire in 2005Every state in 2005This day in weather historyWarnings in New Hampshire, September 2005

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: 5478555, 5478556, 5478557, 5478558, 5478559, 5478560, 5478561, 5478562, 5478563, 5478564, 5478565, 5478566.