Alert archive / New York / Special Weather Statements in 2020
Special Weather Statement, NWS Buffalo, NY
NWS Buffalo, NY issued this special weather statement at Aug 17, 2020, 10:55 PM EDT for Chautauqua County, New York. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 17, 2020, 10:55 PM EDT (02:55 UTC)
- Expired
- Aug 18, 2020, 12:00 AM EDT
- In force
- 65 min
- Issued by
- NWS Buffalo, NY
County Chautauqua County, NY
The radar
The Buffalo radar (KBUF), 95 km from the middle of the area, began a volume at 02:57 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.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 2.9 hours before the alert went out and 95 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
- 70 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1095 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, 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 this special weather statement went out at Aug 17, 10:19 PM EDT, 36 minutes earlier.
Area forecast discussion, Aug 17, 10:19 PM EDT, 36 minutes before
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</html>Hazardous weather outlook, Aug 17, 5:43 AM EDT, 17 hours 12 minutes before
Hazardous Weather Outlook National Weather Service Buffalo NY 543 AM EDT Mon Aug 17 2020 NYZ001>008-010>014-019>021-085-180945- Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis- Northern Erie-Genesee-Wyoming-Livingston-Ontario-Chautauqua- Cattaraugus-Allegany-Southern Erie- 543 AM EDT Mon Aug 17 2020 This Hazardous Weather Outlook is for western and north central New York. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf LEZ020-LOZ030-SLZ022-024-180945- Upper Niagara River and Buffalo Harbor-Lower Niagara River- Saint Lawrence River from Cape Vincent to Ogdensburg- Saint Lawrence River from Ogdensburg to Saint Regis- 543 AM EDT Mon Aug 17 2020 This Hazardous Weather Outlook is for portions of Lake Erie, Lake Ontario and Saint Lawrence River. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf LEZ040-041-LOZ042>045-062>065-180945- Lake Erie nearshore waters from Ripley to Dunkirk- Lake Erie nearshore waters from Dunkirk to Buffalo- Lake Ontario nearshore waters from the Niagara River to Hamlin Beach- Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay- Lake Ontario nearshore waters from Sodus Bay to Mexico Bay- Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence River- Lake Ontario open waters from the Niagara River to Hamlin Beach- Lake Ontario open waters from Hamlin Beach to Sodus Bay- Lake Ontario open waters from Sodus Bay to Mexico Bay- Lake Ontario open waters from Mexico Bay to the Saint Lawrence River- 543 AM EDT Mon Aug 17 2020 This Hazardous Weather Outlook is for portions of Lake Erie and Lake Ontario. .DAY ONE...Today and tonight. There is a chance for waterspouts this morning and again tonight. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf
In the hours before
Local storm report, Aug 17, 5:19 PM EDT, 5 hours 36 minutes before
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</html>Special weather statement, Aug 17, 10:03 PM EDT, 52 minutes before
Special Weather Statement
National Weather Service Buffalo NY
1003 PM EDT Mon Aug 17 2020
NYZ019-020-180300-
Chautauqua-Cattaraugus-
1003 PM EDT Mon Aug 17 2020
...A STRONG THUNDERSTORM WILL AFFECT CATTARAUGUS AND EAST CENTRAL
CHAUTAUQUA COUNTIES...
At 1002 PM EDT, a strong thunderstorm was located 10 miles southwest
of Gowanda and moving southeast at 10 mph.
Winds in excess of 40 mph and pea size hail are possible with this
storm.
Locations impacted include...
Salamanca, Allegany State Park, Ashford, Franklinville, Ashford
Hollow, Hinsdale, Great Valley, New Albion, Dayton, Conewango,
Ellington, Leon, Carrollton, Randolph, Napoli, Little Valley,
Delevan, East Otto, Cattaraugus and Ischua.
This includes Interstate 86 between exits 15 and 21, and near exit
27.
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 4239 7926 4245 7890 4244 7888 4244 7884
4246 7880 4246 7877 4247 7874 4251 7850
4231 7831 4217 7831 4201 7897
TIME...MOT...LOC 0202Z 324DEG 10KT 4236 7908
ReynoldsSpecial weather statement, Aug 17, 10:55 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Buffalo NY
1055 PM EDT Mon Aug 17 2020
NYZ019-020-180400-
Chautauqua-Cattaraugus-
1055 PM EDT Mon Aug 17 2020
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN CATTARAUGUS AND
SOUTHEASTERN CHAUTAUQUA COUNTIES...
At 1054 PM EDT, a strong thunderstorm was located 12 miles north of
Falconer and moving southeast at 10 mph.
Winds in excess of 40 mph and pea size hail are possible with this
storm.
Locations impacted include...
Jamestown, Salamanca, Allegany State Park, Falconer, Jamestown West,
Frewsburg, Stockton, New Albion, Gerry, Conewango, Ellington, Leon,
Carrollton, Randolph, Napoli, Little Valley, Celoron, Cattaraugus,
Cassadaga and East Randolph.
This includes Interstate 86 between exits 11 and 23.
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 4200 7925 4232 7944 4242 7894 4207 7857
4200 7920
TIME...MOT...LOC 0254Z 316DEG 9KT 4230 7913
ReynoldsThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:52 PM EDT | Special Weather Statement | BUF | Cattaraugus | 68 min |
| Aug 17, 10:03 PM EDT | Special Weather Statement | BUF | Cattaraugus | 57 min |
| Aug 18, 3:21 AM EDT | Special Weather Statement | BUF | Oswego | 24 min |
| Aug 18, 4:17 AM EDT | Special Weather Statement | BUF | Oswego | 28 min |
| Aug 18, 8:45 AM EDT | Special Marine Warning | BUF | 45 min | |
| Aug 18, 9:29 AM EDT | Special Marine Warning | BUF | 46 min | |
| Aug 18, 9:39 AM EDT | Special Weather Statement | BUF | Lewis | 51 min |
| Aug 18, 10:14 AM EDT | Special Marine Warning | BUF | 46 min | |
| Aug 18, 10:57 AM EDT | Special Marine Warning | BUF | 33 min | |
| Aug 18, 4:33 PM EDT | Special Marine Warning | BUF | 42 min | |
| Aug 18, 4:36 PM EDT | Special Weather Statement | BUF | Jefferson | 39 min |
| Aug 18, 5:07 PM EDT | Special Weather Statement | BUF | Jefferson | 53 min |
Nearby
Special Weather Statements in New York, 2020Every special weather statement in 2020
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; radar from the NEXRAD Level II archive.