Alert archive / New York / Coastal Flood Statements in 2021
Coastal Flood Statement 9, NWS New York, NY
NWS New York, NY issued this coastal flood statement at Feb 28, 2021, 12:58 PM EST for Nassau County, Queens County, New York. It took effect at Mar 1, 2021, 8:00 AM EST. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 28, 2021, 12:58 PM EST (17:58 UTC)
- In effect from
- Mar 1, 2021, 8:00 AM EST
- Expired
- Mar 1, 2021, 11:00 AM EST
- In force
- 3 hr
- Issued by
- NWS New York, NY
Counties Nassau County, NY, Queens County, NY
The radar
The Brookhaven radar (KOKX), 74 km from the middle of the area, began a volume at 17:57 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
Brookhaven, NY (KOKX), launched 12:00Z, 6.0 hours before the alert went out and 74 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
- 1066 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
739 WHUS41 KOKX 281758 CFWOKX Coastal Hazard Message National Weather Service Upton NY 1258 PM EST Sun Feb 28 2021 CTZ009-010600- /O.NEW.KOKX.CF.S.0008.210301T0400Z-210301T0600Z/ Southern Fairfield- 1258 PM EST Sun Feb 28 2021 * WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Fairfield County. * WHEN...From 11 PM EST this evening to 1 AM EST late tonight. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ NYZ178-179-011000- /O.NEW.KOKX.CF.S.0009.210301T1300Z-210301T1600Z/ Southern Queens-Southern Nassau- 1258 PM EST Sun Feb 28 2021 * WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau and Southern Queens Counties. * WHEN...Monday morning from 8 AM EST TO 11 AM EST. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ For more information from the National Weather Service visit https://weather.gov/nyc
1 follow-up statement
806 WHUS41 KOKX 010957 CFWOKX Coastal Hazard Message National Weather Service Upton NY 457 AM EST Mon Mar 1 2021 NYZ178-179-011600- /O.CON.KOKX.CF.S.0009.210301T1300Z-210301T1600Z/ Southern Queens-Southern Nassau- 457 AM EST Mon Mar 1 2021 * WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau and Southern Queens Counties. * WHEN...This morning from 8 AM EST TO 11 AM EST. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ For more information from the National Weather Service visit https://weather.gov/nyc
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 4:22 AM EST | Gale Watch | OKX | 11 hr | |
| Feb 28, 3:38 PM EST | Wind Advisory | OKX | Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more | 47 hr |
| Feb 28, 3:42 PM EST | Gale Warning | OKX | 50 hr | |
| Feb 28, 6:39 PM EST | Small Craft Advisory | OKX | 21 hr |
Nearby
Coastal Flood Statements in New York, 2021Every coastal flood statement 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.