Flash Flooding and Damaging Wind in New York, June 22, 2001

Name: Flash Flooding and Damaging Wind in New York, June 22, 2001
Start: 2001-06-22T14:45
End: 2001-06-22T21:00
Location: New York

June 22, 2001 · NWS BUF · 3 events in 2 counties and zones

Thunderstorms produced damaging winds which downed power lines in Alexandria Bay, Jefferson county. The strong storms also produced downpours of one to two inches per hour across Lewis county.

Where it happened

Every event with a place to put it; 2 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: $37,000
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 BUF wrote it up.

Thunderstorms produced damaging winds which downed power lines in Alexandria Bay, Jefferson county. The strong storms also produced downpours of one to two inches per hour across Lewis county. Some areas received over four inches of rain in less than three hours. In Lowville, street flooding occurred and roads were closed by the flood waters.

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 Buffalo, NY wrote its last area forecast discussion before the first event at Jun 22, 1:29 PM EST, 1 hour 16 minutes earlier.

Area forecast discussion, Jun 22, 1:29 PM EST, 1 hour 16 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
229 PM EDT FRI JUN 22 2001

COLD FRONT DRIFTING ACROSS WRN NY EARLY THIS AFTERNOON WITH BROKEN
LINE OF SHOWERS AHEAD OF IT. THIS LINE HAS BLOSSOMED RAPIDLY PAST
HOUR WITH STRONG TSTORM JUST W OF OSWEGO ATTM. WILL NEED TO KEEP AN
EYE ON THIS ACTIVITY AS IT MOVES INTO OSW AND JEFF COS NEXT COUPLE
HOURS. EXPECT SOME THREAT OF TSTORMS INTO EARLY EVENING OVER OUR ERN
LK ONT COUNTIES AS SOME BREAKS HAVE ALLOWED FOR INCREASED
INSTABILITY.

FRONTAL SYSTEM GRINDING TO A HALT AND WILL ONLY DRIFT SLIGHTLY
FURTHER EAST AS ANOTHER WAVE MOVES UP ALONG IT LATE TONIGHT AND SAT
AM. S/W EVIDENT NICELY ON WV LOOP OVR ALA AND TENN WHICH SHOULD
ENHANCE ACTIVITY ALONG FRONT RIDGE OF APPALACHIANS INTO THE EVE.
MODELS IN GOOD AGREEMENT WITH PUSHING ANY ACTIVITY EAST OF AN
ART-OSW-ELZ LINE TONIGHT...PUSHING IT BACK WEST A FEW MILES SAT AS
WAVE MOVES BY...THEN CLEARING IT ALL OUT BY SAT EVE. ALL IN
ALL...ASIDE FROM CONVECTIVE ACTIVITY E OF LK ONTARIO THIS
EVENING...OUR AREA WILL JUST BE SKIRTED BY LAST WAVE ON SAT.

THEREFORE WILL KEEP WRN ZONES (AS FAR E AS ROC) DRY TONIGHT AND SAT
ALTHOUGH SLIGHT CHC SHOWER WITH PASSAGE OF TROF LATE EARLY SAT. WILL
KEEP SSW-NNE ZONE ORIENTATION WITH CHC POPS ALLEG-LIV TO JUST E OF
ROC...ALSO JEFF CO. LIKELY POPS OSW/LEWIS CO. SAME CHC ON SAT. WLL
FOLLOW MOS FOR WINDS AND TEMPS.

CLEARING SAT NT AND PLENTY OF SUN ON SUNDAY. +10 850'S SUPPORT 75-80.
FINE WX TO CONTINUE MONDAY WITH L/V FLOW AND TEMPS INTO 80S.

EXTENDED...WEAK CUTOFF LOW HANGS NEAR MID ATLANTIC COAST TUES AND WED
AND BEGINS TO DRIFT NORTH AS BERMUDA HIGH STRENGTHENS. THIS WILL SET
US UP IN A WARM MUGGY PATTERN WITH LITTLE WIND. DIURNAL TSTORM THREAT
INCREASES WED AND THURS.

HYDROWISE...VERY LITTLE RAIN TODAY BUT ALLEG BASIN CAUGHT 1 TO 3
INCHES LAST NIGHT. RAIN WAS NEEDED AND RIVER RESPONSE ONLY SLIGHT.
Z
THATS ABOUT IT THIS AFTERNOON FROM THE BUF. WRKZONES AVAIL BY 3.
FINALS BY 330. TAKE IT EASY.

.BUF...NONE.

MCLAUGHLIN

The radar

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

Open the radar archive at this moment

Event by event

2 flash flood, 1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Jefferson

When: June 22, 2:45 PM EST
Where: Jefferson County, Alexandria Bay
Measured: 50 kt (58 mph)
Property damage: $15,000
Reported by: LAW ENFORCEMENT
Coordinates: 44.333, -75.900

Flash Flood, Lewis

When: June 22, 5:10 PM EST to 6:35 PM EST
Where: Lewis County, Lowville
Property damage: $12,000
Reported by: LAW ENFORCEMENT
Coordinates: 43.785, -75.449 (the zone’s center; the record gives no point)

Flash Flood, Lewis

When: June 22, 6:35 PM EST to 9:00 PM EST
Where: Lewis County, Lowville
Property damage: $10,000
Reported by: LAW ENFORCEMENT
Coordinates: 43.785, -75.449 (the zone’s center; the record gives no point)

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.
Flash Flood: Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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

The same day elsewhere

Every storm in New York in 2001 Every state in 2001 This day in weather history Warnings in New York, 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: 5252356, 5252357, 5252358.