Connecticut, 2001

Damaging Winds in Connecticut, June 30, 2001

June 30, 2001 · NWS OKX · 3 events in 2 counties and zones

As a weak trough of low pressure approached the region, scattered severe thunderstorms developed. As they moved east, severe thunderstorms produced high winds that downed numerous tree limbs and whole trees in Newton, Seymour, Shelton, and Ansonia.

Where it happened

Every event with a place to put it. 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 OKX wrote it up.

As a weak trough of low pressure approached the region, scattered severe thunderstorms developed. As they moved east, severe thunderstorms produced high winds that downed numerous tree limbs and whole trees in Newton, Seymour, Shelton, and Ansonia. Power lines were downed in Newton, and several houses were struck by lightning in Shelton.

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 New York, NY wrote its last area forecast discussion before the first event at Jun 30, 2:30 PM EST, 3 hours 17 minutes earlier.

Area forecast discussion, Jun 30, 2:30 PM EST, 3 hours 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
330 PM EDT SAT JUN 30 2001

HEAT ADVISORY CONTINUES INTO EARLY THIS EVE. SCTRD RW/TRW OVER THE
FA ATTM. SFC/ LOW LVL CONVERGENCE IS WEAK. MDLS INDICATE WEAK UPR
TROF TO MOVE ACRS THE FA ARND 00Z. THE WEAK WAVE IS VISIBLE ON THE
WAT VAP MOVG INTO WRN PA. I/LL FCST CHC POPS INTO THIS EVE.

FOR SUN...COLD FRONT APCHS FROM THE NW AND MOVES INTO THE FA ARND
00Z. BUT...NGM/AVN MOS SHOWS DEWPTS DROPPING DURG THE AFTN AND THE
UPR SPT LAGS. BEST UPR SPT PASSES TO THE N. HOWEVER...LI/S ARE FCST
TO BE ARND -4 AHEAD OF THE STRONG FRONT. LINE OF TRW/S WL PROBABLY
STILL FORM AND MOVE INTO THE FA LATE IN THE DAY...PSBLY SVR.

BEHIND THE FRONT...FAIR AND COOLER. I STAYED FAIRLY CLOSE TO NGM MOS
EXCEPT UNDERCUT A LITTLE IN SOME AREAS SUN NGT BEHIND THE FRONT.

MARINE...SCA MAY BE NEEDED LATE SUN AS COLD FRONT APCHS.

.OKX...HEAT ADVISORY FOR NYC...NYZ072>0Z76.

EKH

The radar

The Brookhaven radar (KOKX), 72 km away, was scanning. The volume nearest the first event began at 22:49 UTC.

Open the radar archive at this moment

Event by event

3 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Fairfield

When
June 30, 5:47 PM EST
Where
Fairfield County, Newtown
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.417, -73.317

Thunderstorm Wind, New Haven

When
June 30, 6:20 PM EST to 6:25 PM EST
Where
New Haven County, Seymour
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.383, -73.067

Thunderstorm Wind, Fairfield

When
June 30, 6:25 PM EST
Where
Fairfield County, Shelton
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.317, -73.100

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

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

The same day elsewhere

More

Every storm in Connecticut in 2001Every state in 2001This day in weather historyWarnings in Connecticut, June 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: 5251309, 5251310, 5251311.