Alert archive / New York / Coastal Flood Statements in 2021
Coastal Flood Statement 21, NWS New York, NY
NWS New York, NY issued this coastal flood statement at Jul 22, 2021, 3:35 AM EDT for Nassau County, Queens County, New York. It took effect at Jul 22, 2021, 6:00 PM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jul 22, 2021, 3:35 AM EDT (07:35 UTC)
- In effect from
- Jul 22, 2021, 6:00 PM EDT
- Expired
- Jul 22, 2021, 11:00 PM EDT
- In force
- 5 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 07:36 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 00:00Z, 7.6 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
- 712 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
842 WHUS41 KOKX 220735 CFWOKX Coastal Hazard Message National Weather Service New York NY 335 AM EDT Thu Jul 22 2021 NYZ178-179-230000- /O.NEW.KOKX.CF.S.0021.210722T2200Z-210723T0000Z/ Southern Queens-Southern Nassau- 335 AM EDT Thu Jul 22 2021 * WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau and Southern Queens Counties. * WHEN...This evening. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ For more information from the National Weather Service visit https://weather.gov/nyc
3 follow-up statements
130 WHUS41 KOKX 221503 CFWOKX Coastal Hazard Message National Weather Service New York NY 1103 AM EDT Thu Jul 22 2021 NYZ178-179-230300- /O.EXT.KOKX.CF.S.0021.210722T2200Z-210723T0300Z/ Southern Queens-Southern Nassau- 1103 AM EDT Thu Jul 22 2021 * WHAT...Less than one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau and Southern Queens Counties. * WHEN...From 6 PM to 11 PM EDT this evening. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ For more information from the National Weather Service visit https://weather.gov/nyc
154 WHUS41 KOKX 230138 CFWOKX Coastal Hazard Message National Weather Service New York NY 938 PM EDT Thu Jul 22 2021 NYZ178-179-230245- /O.CON.KOKX.CF.S.0021.000000T0000Z-210723T0300Z/ Southern Queens-Southern Nassau- 938 PM EDT Thu Jul 22 2021 The high tide cycle passed early this evening and minor coastal flooding is no longer a threat. $$ For more information from the National Weather Service visit https://weather.gov/nyc
165 WHUS41 KOKX 230313 CFWOKX Coastal Hazard Message National Weather Service New York NY 1113 PM EDT Thu Jul 22 2021 NYZ178-179-230415- /O.EXP.KOKX.CF.S.0021.000000T0000Z-210723T0300Z/ Southern Queens-Southern Nassau- 1113 PM EDT Thu Jul 22 2021 The high tide cycle passed early this evening and coastal flooding is no longer a threat. $$ For more information from the National Weather Service visit https://weather.gov/nyc
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.