Alert archive / New York / Tornado Warnings in 2017
Tornado Warning 5, NWS Buffalo, NY
NWS Buffalo, NY issued this tornado warning at Aug 22, 2017, 12:34 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 26 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 22, 2017, 12:34 PM EDT (16:34 UTC)
- Expired
- Aug 22, 2017, 1:00 PM EDT
- In force
- 26 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Cattaraugus County, NY, Chautauqua County, NY
The radar
The Buffalo radar (KBUF), 78 km from the middle of the area, began a volume at 16:38 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 22, 12:37 PM EDT | TSTM WND DMG | Cherry Creek, NY | TREES DOWN IN CHERRY CREEK - TIME ESTIMATED BY RADAR |
| Aug 22, 12:43 PM EDT | TSTM WND DMG | Leon, NY | TREES DOWN IN LEON. |
| Aug 22, 12:51 PM EDT | TSTM WND DMG | 1 S Cattaraugus, NY | TREES DOWN IN CATTARAUGUS AND NEW ALBION. |
| Aug 22, 12:52 PM EDT | TSTM WND DMG | Cattaraugus, NY | TREES AND WIRES DOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 22, 12:23 PM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.6 hours before the alert went out and 77 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
- 435 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted.
036
WFUS51 KBUF 221634
TORBUF
NYC009-013-221700-
/O.NEW.KBUF.TO.W.0005.170822T1634Z-170822T1700Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
1234 PM EDT TUE AUG 22 2017
The National Weather Service in Buffalo has issued a
* Tornado Warning for...
Northwestern Cattaraugus County in western New York...
East central Chautauqua County in western New York...
* Until 100 PM EDT.
* At 1234 PM EDT, a severe thunderstorm capable of producing a
tornado was located 9 miles north of Falconer, or 12 miles
northeast of Jamestown, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
New Albion, Conewango, Ellington, Leon, Little Valley, Cattaraugus,
Otto and Cherry Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4220 7916 4228 7920 4246 7880 4221 7868
TIME...MOT...LOC 1634Z 253DEG 36KT 4225 7913
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Apffel2 follow-up statements
851
WWUS51 KBUF 221647
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
1247 PM EDT TUE AUG 22 2017
NYC013-221656-
/O.CAN.KBUF.TO.W.0005.000000T0000Z-170822T1700Z/
Chautauqua NY-
1247 PM EDT TUE AUG 22 2017
...THE TORNADO WARNING FOR EAST CENTRAL CHAUTAUQUA COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 900 PM EDT for western New
York.
LAT...LON 4223 7905 4234 7906 4246 7880 4224 7870
TIME...MOT...LOC 1646Z 252DEG 35KT 4229 7897
$$
NYC009-221700-
/O.CON.KBUF.TO.W.0005.000000T0000Z-170822T1700Z/
Cattaraugus NY-
1247 PM EDT TUE AUG 22 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM EDT FOR
NORTHWESTERN CATTARAUGUS COUNTY...
At 1246 PM EDT, a severe thunderstorm capable of producing a tornado
was located 12 miles south of Gowanda, or 15 miles northwest of
Salamanca, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
New Albion, Conewango, Leon, Little Valley, Cattaraugus, Otto and
Cattaraugus County Landfill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4223 7905 4234 7906 4246 7880 4224 7870
TIME...MOT...LOC 1646Z 252DEG 35KT 4229 7897
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Apffel224
WWUS51 KBUF 221700
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
100 PM EDT TUE AUG 22 2017
NYC009-221709-
/O.EXP.KBUF.TO.W.0005.000000T0000Z-170822T1700Z/
Cattaraugus NY-
100 PM EDT TUE AUG 22 2017
...THE TORNADO WARNING FOR NORTHWESTERN CATTARAUGUS COUNTY WILL
EXPIRE AT 100 PM EDT...
The tornadic thunderstorm which prompted the warning has weakened.
moved out of the warned area. Therefore, the warning will be allowed
to expire.
A tornado watch remains in effect until 900 PM EDT for western New
York.
LAT...LON 4223 7905 4234 7906 4246 7880 4224 7870
TIME...MOT...LOC 1659Z 253DEG 36KT 4233 7880
$$
ApffelThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 10:39 PM EDT | Beach Hazards Statement | BUF | Chautauqua, Erie, Jefferson | 23 hr |
| Aug 22, 4:04 AM EDT | Wind Advisory | BUF | Erie, Genesee, Niagara, Orleans | 13 hr |
| Aug 22, 4:09 AM EDT | Lakeshore Flood Warning | BUF | Cayuga, Jefferson, Oswego, Wayne | 40 hr |
| Aug 22, 7:16 AM EDT | Special Weather Statement | BUF | Lewis | 59 min |
| Aug 22, 9:51 AM EDT | Special Marine Warning | BUF | 54 min | |
| Aug 22, 12:05 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie | 55 min |
| Aug 22, 12:34 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Ontario, Orleans, Wayne and 1 more | 56 min |
| Aug 22, 12:42 PM EDT | Special Marine Warning | BUF | 48 min | |
| Aug 22, 12:44 PM EDT | Special Marine Warning | BUF | 61 min | |
| Aug 22, 12:55 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Erie, Genesee, Livingston, Wyoming | 65 min |
| Aug 22, 1:13 PM EDT | Special Marine Warning | BUF | 62 min | |
| Aug 22, 1:23 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Monroe, Ontario, Oswego, Wayne | 67 min |
| Aug 22, 1:27 PM EDT | Special Marine Warning | BUF | 63 min | |
| Aug 22, 1:42 PM EDT | Special Marine Warning | BUF | 63 min | |
| Aug 22, 1:53 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 67 min |
| Aug 22, 1:56 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Livingston, Ontario, Wyoming | 49 min |
| Aug 22, 2:05 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Lewis, Oswego | 55 min |
| Aug 22, 2:12 PM EDT | Tornado Warning | BUF | Allegany, Livingston | 33 min |
| Aug 22, 2:47 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 58 min |
| Aug 22, 2:48 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 1 more | 57 min |
| Aug 22, 3:11 PM EDT | Tornado Warning | BUF | Lewis | 34 min |
| Aug 22, 3:15 PM EDT | Tornado Warning | BUF | Lewis | 30 min |
| Aug 22, 3:20 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Livingston, Wyoming | 55 min |
| Aug 22, 3:45 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario, Wyoming | 45 min |
| Aug 22, 4:28 PM EDT | Special Marine Warning | BUF | 92 min | |
| Aug 22, 4:29 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 19 min |
| Aug 22, 4:40 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 35 min |
| Aug 22, 4:53 PM EDT | Special Weather Statement | BUF | Jefferson | 67 min |
| Aug 22, 5:10 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 35 min |
| Aug 22, 5:28 PM EDT | Special Marine Warning | BUF | 47 min | |
| Aug 22, 5:29 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis | 61 min |
| Aug 22, 6:28 PM EDT | Special Marine Warning | BUF | 32 min | |
| Aug 22, 6:28 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 47 min |
| Aug 22, 7:00 PM EDT | Special Marine Warning | BUF | 30 min | |
| Aug 22, 7:13 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans, Wyoming | 22 min |
Nearby
Tornado Warnings in New York, 2017Every tornado warning in 2017Tornadoes in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.