Alert archive / New York / Coastal Flood Statements in 2020
Coastal Flood Statement 63, NWS New York, NY
NWS New York, NY issued this coastal flood statement at Dec 4, 2020, 4:05 PM EST for Nassau County, Suffolk County, New York. It took effect at Dec 5, 2020, 11:00 AM EST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Dec 4, 2020, 4:05 PM EST (21:05 UTC)
- In effect from
- Dec 5, 2020, 11:00 AM EST
- Expired
- Dec 5, 2020, 3:46 PM EST
- In force
- 5 hr
- Issued by
- NWS New York, NY
Counties Nassau County, NY, Suffolk County, NY
The radar
The Brookhaven radar (KOKX), 23 km from the middle of the area, began a volume at 21:07 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
Albany, NY (KALY), launched 12:00Z, 9.1 hours before the alert went out and 214 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
- 2100 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this coastal flood statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New York, NY wrote its last area forecast discussion before this coastal flood statement went out at Dec 4, 1:23 PM EST, 2 hours 42 minutes earlier.
Area forecast discussion, Dec 4, 1:23 PM EST, 2 hours 42 minutes before
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</html>The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 4, 3:34 AM EST | Gale Warning | OKX | 48 hr |
Nearby
Coastal Flood Statements in New York, 2020Every coastal flood 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.