Alert archive / New York / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 20, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jul 8, 1994, 9:15 PM EDT for Orleans County, New York. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1994, 9:15 PM EDT (01:15 UTC)
- Expired
- Jul 8, 1994, 10:15 PM EDT
- In force
- 60 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Orleans County, NY
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.3 hours before the alert went out and 55 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
- 1309 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1238 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KBUF 090115 SVRBUF NYC073-090215- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BUFFALO NY 915 PM EDT FRI JUL 9 1994 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN NEW YORK ...ORLEANS COUNTY AT 915 PM BUFFALO WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTH CENTRAL ORLEANS COUNTY. THE THUNDERSTORM WAS MOVING NORTH NORTHEAST AT 30 MPH. BE ON THE ALERT FOR THUNDERSTORMS ACCOMPANIED BY FREQUENT LIGHTNING...STRONG DAMAGING WINDS AND LARGE HAIL. LOCALLY HEAVY RAIN MAY ALSO CAUSE DRAINAGE FLOODING. IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY. IN HOMES A BASEMENT OR INTERIOR ROOM IS THE SAFEST LOCATION. LEVAN
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, Jul 8, 6:42 PM EDT, 2 hours 33 minutes before
NYZ001>004-010>014-019>021-082345-
SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST...
NATIONAL WEATHER SERVICE BUFFALO NY
640 PM EDT FRI JUL 8 1994
...STRONG THUNDERSTORMS HAD RAPIDLY DEVELOPED ACROSS THE REGION...
AT 630 PM...WIDELY SCATTERED THUNDERSTORMS WERE LOCATED OVER PORTIONS OF
WESTERN NEW YORK GENERALLY WEST OF THE GENESEE RIVER. THUNDERSTORMS WITH
VERY HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLE HAIL WERE LOCATED IN
SOUTHERN ERIE COUNTY NEAR BOSTON...AND NEAR LEROY IN EASTERN GENESEE
COUNTY. MOVEMENT OF THE THUNDERSTORMS WAS NORTHEAST AT 20 MILES AN HOUR.
DUE TO THE SLOW MOVEMENT OF THESE STORMS...SOME POOR DRAINAGE FLOODING
WILL BE POSSIBLE WITH THESE THUNDERSTORMS AS THEY MOVE THROUGH WESTERN
MONROE COUNTY...AND SOUTHERN ERIE COUNTY. BE ON THE LOOKOUT FOR
THREATENING WEATHER...AND TAKE SHELTER IMMEDIATELY IF A THUNDERSTORM
APPROACHES YOUR AREA. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER
STATEMENTS ON THI@S WEATHER SITUATION.
GURNEYSpecial weather statement, Jul 8, 7:30 PM EDT, 1 hour 45 minutes before
NYZ001>004-010>014-019>021-090045- SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST... NATIONAL WEATHER SERVICE BUFFALO NY 730 PM EDT FRI JUL 8 1994 ...STRONG THUNDERSTORMS WERE SCATTERED ACROSS PARTS OF THE REGION... AT 725 PM...SCATTERED THUNDERSTORMS WERE LOCATED OVER PARTS OF WESTERN NEW YORK GENERALLY WEST OF THE GENESEE RIVER. THUNDERSTORMS WITH VERY HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLE HAIL WERE SCATTERED ACROSS PARTS OF ERIE...GENESEE...NIAGARA...AND MONROE COUNTIES. THE STRONGEST STORMS WERE JUST NORTH OF NIAGARA FALLS...15 MILES SOUTHEAST OF METRO BUFFALO...AND 10 MILES WEST OF ROCHESTER. MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. DUE TO THE SLOW MOVEMENT OF THESE STORMS...SOME POOR DRAINAGE FLOODING WILL BE POSSIBLE WITH THESE THUNDERSTORMS AS THEY MOVE THROUGH SECTIONS OF OUR AREA. BE ON THE LOOKOUT FOR THREATENING WEATHER...AND TAKE IMMEDIATELY IF A THUNDERSTORM APPROACHES YOUR AREA. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER INFORMATION ON THIS WEATHER SITUATION. GURNEY
Special weather statement, Jul 8, 7:31 PM EDT, 1 hour 44 minutes before
NYZ001>004-010>014-019>021-090045- SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST... NATIONAL WEATHER SERVICE BUFFALO NY 730 PM EDT FRI JUL 8 1994 ...STRONG THUNDERSTORMS WERE SCATTERED ACROSS PARTS OF THE REGION... AT 725 PM...SCATTERED THUNDERSTORMS WERE LOCATED OVER PARTS OF WESTERN NEW YORK GENERALLY WEST OF THE GENESEE RIVER. THUNDERSTORMS WITH VERY HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLE HAIL WERE SCATTERED ACROSS PARTS OF ERIE...GENESEE...NIAGARA...AND MONROE COUNTIES. THE STRONGEST STORMS WERE JUST NORTH OF NIAGARA FALLS...15 MILES SOUTHEAST OF METRO BUFFALO...AND 10 MILES WEST OF ROCHESTER. MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. DUE TO THE SLOW MOVEMENT OF THESE STORMS...SOME POOR DRAINAGE FLOODING WILL BE POSSIBLE WITH THESE THUNDERSTORMS AS THEY MOVE THROUGH SECTIONS OF OUR AREA. BE ON THE LOOKOUT FOR THREATENING WEATHER...AND TAKE IMMEDIATELY IF A THUNDERSTORM APPROACHES YOUR AREA. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER INFORMATION ON THIS WEATHER SITUATION. GURNEY
Special weather statement, Jul 8, 8:35 PM EDT, 40 minutes before
NYZ001>003-010>012-090145-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
835 PM EDT FRI JUL 8 1994
....STRONG THUNDERSTORMS WERE MOVING ACROSS PARTS OF THE REGION...
AT 825 PM...NUMEROUS THUNDERSTORMS EXTENDED FROM NEAR ROCHESTER WEST
THROUGH GENESEE...ORLEANS...NIAGARA...AND NORTHERN ERIE COUNTIES. THESE
THUNDERSTORMS EXTENDED INTO LAKE ONTARIO AS WELL. MOST OF THESE
THUNDERSTORMS CONTAINED TORRENTIAL RAINFALL...DEADLY LIGHTNING...AND
POSSIBLE SMALL HAIL. IN FACT...BUFFALO AIRPORT RECEIVE NEARLY HALF AN
INCH OF RAIN IN ONE HALF HOUR FROM A THUNDERSTORM. MOVEMENT OF THE
THUNDERSTORMS WAS NORTHEAST AT 30 MILES AN HOUR.
THE MAIN THREAT WITH THESE THUNDERSTORMS WILL BE POOR DRAINAGE FLOODING
WHICH WILL BE LIKELY DURING THE NEXT FEW HOURS. BE ALERT TO A GREAT
DEAL OF STANDING WATER ON ROADWAYS THIS EVENING IN THESE LOCATIONS.
ALSO...FREQUENT...INTENSE LIGHTNING WILL CONTINUE IN SOME OF THE STORMS.
TAKE SHELTER IMMEDIATELY IF A THUNDERSTORM APPROACHES YOUR LOCATION...
AND DRIVE WITH EXTRA CAUTION IF YOU MUST BE OUT. STAY TUNED TO NOAA
WEATHER RADIO FOR FURTHER UPDATES ON THESE THUNDERSTORMS.
GURNEYSpecial weather statement, Jul 8, 8:37 PM EDT, 38 minutes before
NYZ001>003-010>012-090145-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
835 PM EDT FRI JUL 8 1994
....STRONG THUNDERSTORMS WERE MOVING ACROSS PARTS OF THE REGION...
AT 825 PM...NUMEROUS THUNDERSTORMS EXTENDED FROM NEAR ROCHESTER WEST
THROUGH GENESEE...ORLEANS...NIAGARA...AND NORTHERN ERIE COUNTIES. THESE
THUNDERSTORMS EXTENDED INTO LAKE ONTARIO AS WELL. MOST OF THESE
THUNDERSTORMS CONTAINED TORRENTIAL RAINFALL...DEADLY LIGHTNING...AND
POSSIBLE SMALL HAIL. IN FACT...BUFFALO AIRPORT RECEIVE NEARLY HALF AN
INCH OF RAIN IN ONE HALF HOUR FROM A THUNDERSTORM. MOVEMENT OF THE
THUNDERSTORMS WAS NORTHEAST AT 30 MILES AN HOUR.
THE MAIN THREAT WITH THESE THUNDERSTORMS WILL BE POOR DRAINAGE FLOODING
WHICH WILL BE LIKELY DURING THE NEXT FEW HOURS. BE ALERT TO A GREAT
DEAL OF STANDING WATER ON ROADWAYS THIS EVENING IN THESE LOCATIONS.
ALSO...FREQUENT...INTENSE LIGHTNING WILL CONTINUE IN SOME OF THE STORMS.
TAKE SHELTER IMMEDIATELY IF A THUNDERSTORM APPROACHES YOUR LOCATION...
AND DRIVE WITH EXTRA CAUTION IF YOU MUST BE OUT. STAY TUNED TO NOAA
WEATHER RADIO FOR FURTHER UPDATES ON THESE THUNDERSTORMS.
GURNEYNearby
Severe Thunderstorm Warnings in New York, 1994Every severe thunderstorm warning in 1994
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.