Alert archive / New York / Lakeshore Flood Watches in 2021
Lakeshore Flood Watch 4, NWS Buffalo, NY
NWS Buffalo, NY issued this lakeshore flood watch at Dec 9, 2021, 3:44 AM EST for 5 counties in New York. It took effect at Dec 11, 2021, 1:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 9, 2021, 3:44 AM EST (08:44 UTC)
- In effect from
- Dec 11, 2021, 1:00 PM EST
- Expired
- Dec 10, 2021, 3:27 AM EST
- In force
- Issued by
- NWS Buffalo, NY
Counties Chautauqua County, NY, Erie County, NY, Jefferson County, NY, Niagara County, NY, Oswego County, NY
The radar
The Buffalo radar (KBUF), 77 km from the middle of the area, began a volume at 08:48 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, 8.7 hours before the alert went out and 75 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 755 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this lakeshore flood watch 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 lakeshore flood watch went out at Dec 9, 1:05 AM EST, 2 hours 39 minutes earlier.
Area forecast discussion, Dec 9, 1:05 AM EST, 2 hours 39 minutes before
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</html>Hazardous weather outlook, Dec 8, 8:45 PM EST, 6 hours 59 minutes before
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Local storm report, Dec 8, 9:56 PM EST, 5 hours 48 minutes before
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</html>Local storm report, Dec 8, 11:03 PM EST, 4 hours 41 minutes before
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</html>The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 8, 7:12 PM EST | Special Weather Statement | BUF | Oswego | 93 min |
| Dec 9, 3:44 AM EST | Gale Watch | BUF | 24 hr | |
| Dec 9, 3:44 AM EST | High Wind Watch | BUF | Chautauqua, Erie, Genesee, Jefferson, Monroe, Niagara and 2 more | 24 hr |
| Dec 9, 3:44 AM EST | Storm Watch | BUF | 24 hr |
Nearby
Lakeshore Flood Watches in New York, 2021Every lakeshore flood watch in 2021
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.