Alert archive / New York / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 9, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Apr 16, 1991, 2:35 AM EDT for Cattaraugus County, New York. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Apr 16, 1991, 2:35 AM EDT (06:35 UTC)
- Expired
- Apr 16, 1991, 3:15 AM EDT
- In force
- 40 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Cattaraugus County, NY
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 6.6 hours before the alert went out and 76 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 874 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 15, 10:00 PM EDT, 4 hours 35 minutes before
NYZ002-160800- SPECIAL WEATHER STATEMENT - HIGH WIND WARNING NATIONAL WEATHER SERVICE ROCHESTER NY 959 PM EDT MON APR 15 1991 ...HIGH WIND WARNING FOR ROCHESTER AND THE WESTERN FINGER LAKES REMAINS IN EFFECT UNTIL MIDNIGHT EDT... DEEP LOW PRESSURE NEAR LAKE HURON WILL GRADUALLY RELAX ITS GRIP ON THE AREA OVERNIGHT ALLOWING HIGH WINDS ACROSS THE WESTERN FINGER LAKES AND ROCHESTER AREA TO SUBSIDE. SOUTHWEST WINDS BETWEEN 30 AND 40 MPH TONIGHT HAVE FREQUENTLY GUSTED OVER 50 MPH. THE STRONGEST GUST RECORDED THUS FAR AT THE ROCHESTER WEATHER SERVICE OFFICE...63 MPH FROM THE SOUTHWEST AT 818 PM EDT. A NATIONAL WEATHER SERVICE SPOTTER IN HENRIETTA REPORTED A GUST TO 58 MPH AT ABOUT THE SAME T0IME TONIGHT. ALTHOUGH SOUTHWEST WINDS ARE EXPECTED TO REMAIN RATHER STRONG OVERNIGHT...THEY SHOULD GRADUALLY SUBSIDE TO BETWEEN 20 AND 30 MPH WITH A FEW HIGHER GUSTS AFTER MIDNIGHT. . SCHWIBS
Special weather statement, Apr 15, 10:29 PM EDT, 4 hours 6 minutes before
NYZ001>005-021-022-160600- SPECIAL WEATHER STATEMENT - HIGH WIND WARNING NATIONAL WEATHER SERVICE BUFFALO NY 1025 PM EDT MON APR 15 1991 ...HIGH WIND WARNING REMAINS IN EFFECT FOR THE WESTERN LAKE ONTARIO COUNTIES...CENTRAL WESTERN COUNTIES AND WESTERN SOUTHERN TIER UNTIL MIDNIGHT. STRONG SOUTHWEST WINDS CONTINUE TO BLOW ACROSS WESTERN NEW YORK THIS EVENING. WINDS HAVE BEGUN TO SUBSIDE SOMEWHAT BUT ARE STILL GUSTING TO OVER 50 MPH IN THE WARNING AREA. EARLIER TODAY...WINDS GUSTED TO 59 MPH AT THE NATIONAL WEATHER SERVICE IN BUFFALO...TO 68 MPH AT THE NIAGARA FALLS AIRPORT AND TO 63 MPH AT THE NATIONAL WEATHER SERVICE IN ROCHESTER. A SKYWARN SPOTTER IN HENRIETTA REPORTED 58 MPH WINDS. DEEP LOW PRESSURE NORTH OF TORONTO WAS RESPONSIBLE FOR THE STRONG WINDS. AS IT MOVES TO THE NORTHEAST AND WEAKENS OVERNIGHT...THE WINDS WILL DIMINISH. IN THE MEANTIME...KEEP A STEADY HAND ON THE STEERING WHEEL IF YOU WILL BE DRIVING. IF TRASH DAY IS HTOMORROW...YOU MAY WANT TO WAIT UNTIL TOMORROW MORNING BEFORE YOU PUT OUT YOUR TRASH CANS. THIS WILL BE THE LAST STATEMENT CONCERNING THE STRONG WINDS. MAMROSH
Special weather statement, Apr 15, 10:35 PM EDT, 4 hours before
NYZ001>005-021-022-160600- SPECIAL WEATHER STATEMENT - HIGH WIND WARNING NATIONAL WEATHER SERVICE BUFFALO NY 1025 PM EDT MON APR 15 1991 ...HIGH WIND WARNING REMAINS IN EFFECT FOR THE WESTERN LAKE ONTARIO COUNTIES...CENTRAL WESTERN COUNTIES...WESTERN SOUTHERN TIER AND WESTERN FINGER LAKES REGION UNTIL MIDNIGHT. STRONG SOUTHWEST WINDS CONTINUE TO BLOW ACROSS WESTERN NEW YORK THIS EVENING. WINDS HAVE BEGUN TO SUBSIDE SOMEWHAT BUT ARE STILL GUSTING TO OVER 50 MPH IN THE WARNING AREA. EARLIER TODAY...WINDS GUSTED TO 59 MPH AT THE NATIONAL WEATHER SERVICE IN BUFFALO...TO 68 MPH AT THE NIAGARA FALLS AIRPORT AND TO 63 MPH AT THE NATIONAL WEATHER SERVICE IN ROCHESTER. A SKYWARN SPOTTER IN HENRIETTA REPORTED 58 MPH WINDS. DEEP LOW PRESSURE NORTH OF TORONTO WAS RESPONSIBLE FOR THE STRONG WINDS. AS IT MOVES TO THE NORTHEAST AND WEAKENS OVERNIGHT...THE WINDS WILL DIMINISH. IN THE MEANTIME...KEEP A STEADY HAND ON THE STEERING WHEEL IF YOUX WILL BE DRIVING. IF TRASH DAY IS TOMORROW...YOU MAY WANT TO WAIT UNTIL TOMORROW MORNING BEFORE YOU PUT OUT YOUR TRASH CANS. THIS WILL BE THE LAST STATEMENT CONCERNING THE STRONG WINDS. MAMROSH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 2:15 AM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 60 min |
| Apr 16, 3:18 AM EDT | Severe Thunderstorm Warning | BUF | Erie | 62 min |
| Apr 16, 3:50 AM EDT | Severe Thunderstorm Warning | BUF | Allegany, Wyoming | 40 min |
Nearby
Severe Thunderstorm Warnings in New York, 1991Every severe thunderstorm warning in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.