Thunderstorm Wind, Livingston
- When
- August 19, 4:00 PM EST
- Where
- Livingston County, Mt Morris
- Measured
- 50 kt (58 mph)
- Property damage
- $5,000
- Reported by
- PARK/FOREST SERVICE
- Coordinates
- 42.733, -77.883
An isolated severe thunderstorm over the Genesee River valley downed trees in Letchworth State Park about 5 miles southwest of Mt. Morris.
Every event with a place to put it. Tap one for its entry below.
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.
The episode as NWS BUF wrote it up.
An isolated severe thunderstorm over the Genesee River valley downed trees in Letchworth State Park about 5 miles southwest of Mt. Morris.
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 Aug 19, 1:02 PM EST, 2 hours 58 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BUFFALO NY 202 PM EDT SUN AUG 19 2001 SHOWERS AND SCATTERED THUNDERSTORMS CONTINUE TO FIRE UP ALONG THE WARM FRONT THAT EXTENDS FROM CENTRAL MICHIGAN TO NORTH CENTRAL PA. THE STRONGEST STORMS ARE CURRENTLY DEVELOPING ACROSS THE EASTERN FINGER LAKES AND JUST WEST OF LAKE ONTARIO. THESE AREAS HAVE SEEN MORE SUNSHINE AND CONSEQUENTLY HAVE HIGHER CAPES AND LOWER LI/S. WE WILL HAVE TO KEEP A CLOSE EYE ON THE STORMS ACROSS THE FINGER LAKES WHERE THERE IS GREATER HELICITY. THE POTENTIAL FOR STRONG TO SEVERE STORMS STILL EXISTS ACROSS WESTERN NEW YORK...IF THE CLOUDS THIN OUT MORE. OTHERWISE...NOT TOO MANY CHANGES FROM THE EARLIER MODEL RUNS. THE SURFACE LOW IS FORECAST TO MOVE SLOWLY TO THE NORTHEAST AND THEN TRACK JUST NORTH OF LAKE ONTARIO ON MONDAY BEFORE REACHING QUEBEC PROVINCE TUESDAY MORNING. THE STEADIER SHOWERS AHEAD OF THE WARM FRONT ARE STILL FORECAST TO LIFT NORTH OF NEW YORK STATE AFTER MIDNIGHT. THE DRY SLOT WILL BRING DRY WEATHER TO MUCH OF OUR FA MONDAY MORNING...BUT THE COMBINATION OF THE DEEP LAYERED CYCLONIC FLOW AND COLD AIR ALOFT WILL GENERATE MORE SHOWERS AND THUNDERSTORMS DURING THE AFTERNOON. TUESDAY WILL STILL BE RATHER UNSETTLED ACROSS THE FINGER LAKES AND THE NORTH COUNTRY...BUT AREAS TO THE WEST SHOULD SEE SOME CLEARING AS DRIER AND MORE STABLE IN AIR WORKS IN FROM THE WEST. .BUF...NONE. TJP
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO, NY
311 PM EDT SUN AUG 19 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 PM GRANBY NY WIND DAMAGE
08/19/01 OSWEGO WIRES DOWN REPORTED BY LAW
ENFORCEMENT
0250 PM VOLNEY NY WIND DAMAGE
08/19/01 OSWEGO WIRES DOWN REPORTED BY LAW
ENFORCEMENT
0300 PM HASTINGS NY WIND DAMAGE
08/19/01 OSWEGO WIRES DOWN REPORTED BY LAW
ENFORCEMENT
JMLThe Buffalo radar (KBUF), 74 km away, was scanning. The volume nearest the first event began at 20:57 UTC.
1 thunderstorm wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2001Every state in 2001This day in weather historyWarnings in New York, August 2001
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: 5264482.