Alert archive / New York / Areal Flood Warnings in 2024
Areal Flood Warning 9, NWS Buffalo, NY
NWS Buffalo, NY issued this areal flood warning at Aug 2, 2024, 5:38 PM EDT for Livingston County, New York. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 2, 2024, 5:38 PM EDT (21:38 UTC)
- Expired
- Aug 2, 2024, 10:46 PM EDT
- In force
- 5 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Livingston County, NY
The radar
The Buffalo radar (KBUF), 82 km from the middle of the area, began a volume at 21:43 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 12:00Z, 9.6 hours before the alert went out and 79 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
- 166 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1122 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood warning 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 areal flood warning went out at Aug 2, 5:25 PM EDT, 13 minutes earlier.
Area forecast discussion, Aug 2, 5:25 PM EDT, 13 minutes before
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</html>Hazardous weather outlook, Aug 2, 4:36 AM EDT, 13 hours 2 minutes before
Hazardous Weather Outlook National Weather Service Buffalo NY 436 AM EDT Fri Aug 2 2024 NYZ001>008-010-011-030845- Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis- Northern Erie-Genesee- 436 AM EDT Fri Aug 2 2024 This Hazardous Weather Outlook is for portions of western and north central New York. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. 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 NYZ012>014-019>021-085-030845- Wyoming-Livingston-Ontario-Chautauqua-Cattaraugus-Allegany- Southern Erie- 436 AM EDT Fri Aug 2 2024 This Hazardous Weather Outlook is for portions of western New York. .DAY ONE...Today and tonight. Showers and thunderstorms may produce locally heavy rainfall leading to an isolated flash flood threat through this evening. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. 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 LEZ020-040-041-LOZ030-042>045-062>065-SLZ022-024-030845- Upper Niagara River and Buffalo Harbor- Lake Erie nearshore waters from Ripley to Dunkirk- Lake Erie nearshore waters from Dunkirk to Buffalo- Lower Niagara River- 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- Saint Lawrence River from Cape Vincent to Ogdensburg- Saint Lawrence River from Ogdensburg to Saint Regis- 436 AM EDT Fri Aug 2 2024 This Hazardous Weather Outlook is for the New York waters of Lake Erie, Lake Ontario, and the Saint Lawrence River. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. 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
In the hours before
Special weather statement, Aug 2, 4:22 PM EDT, 1 hour 16 minutes before
Special Weather Statement National Weather Service Buffalo NY 422 PM EDT Fri Aug 2 2024 NYZ020-021-022130- Cattaraugus-Allegany- 422 PM EDT Fri Aug 2 2024 ...LOCALIZED HEAVY RAIN WILL AFFECT EASTERN CATTARAUGUS AND ALLEGANY COUNTIES... At 420 PM EDT, there were very slow moving showers which are capable of producing localized rainfall amounts in excess of 1.5 inches an hour. These are very localized, but still have the potential to produce flash flooding, especially in more populated areas and in areas with steep terrain. Locations impacted include... Olean, Salamanca, Wellsville, Allegany State Park, Alfred, Ashford, Allegany, Franklinville, Belfast, Cuba, Rushford, Weston Mills, St. Bonaventure, Ashford Hollow, Houghton, Whitesville, Caneadea, Hinsdale, Friendship, and Great Valley. This includes Interstate 86 between exits 19 and 33. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. LAT...LON 4200 7882 4242 7871 4247 7772 4200 7775 TIME...MOT...LOC 2020Z 252DEG 2KT 4223 7828 Apffel
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 4:57 AM EDT | Special Marine Warning | BUF | 33 min | |
| Aug 2, 4:22 PM EDT | Special Weather Statement | BUF | Allegany, Cattaraugus | 68 min |
| Aug 2, 4:46 PM EDT | Flash Flood Warning | BUF | Allegany, Cattaraugus | 2 hr |
Nearby
Areal Flood Warnings in New York, 2024Every areal flood warning in 2024
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.