Alert archive / New York / Wind Advisories in 2020

Wind Advisory 9, NWS New York, NY

April 30, 20204 counties in New Jersey; 8 counties in New York; Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this wind advisory at Apr 30, 2020, 10:47 AM EDT for 4 counties in New Jersey; 8 counties in New York; Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut. It took effect at Apr 30, 2020, 12:00 PM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2020, 10:47 AM EDT (14:47 UTC)
In effect from
Apr 30, 2020, 12:00 PM EDT
Expired
Apr 30, 2020, 11:12 PM EDT
In force
11 hr
Issued by
NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Naugatuck Valley Planning Region, CT, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Union County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Queens County, NY, Richmond County, NY, Suffolk County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 77 km from the middle of the area, began a volume at 14:47 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, 2.8 hours before the alert went out and 77 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2020-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2020-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 356 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
405 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
356 m²/s²
0-3 km storm-relative helicity
358 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

439 
WWUS71 KOKX 301447
NPWOKX

URGENT - WEATHER MESSAGE
National Weather Service New York NY
1047 AM EDT Thu Apr 30 2020

NJZ006-104-106-108-NYZ071>075-176>179-010000-
/O.NEW.KOKX.WI.Y.0009.200430T1600Z-200501T0000Z/
Hudson-Eastern Bergen-Eastern Essex-Eastern Union-
Southern Westchester-New York (Manhattan)-Bronx-
Richmond (Staten Island)-Kings (Brooklyn)-Northern Queens-
Northern Nassau-Southern Queens-Southern Nassau-
1047 AM EDT Thu Apr 30 2020

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Southeast winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...New York City and surrounding areas. 

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...The advisory could expanded farther north 
  and east for later today or tonight. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
3 follow-up statements
270 
WWUS71 KOKX 301934
NPWOKX

URGENT - WEATHER MESSAGE
National Weather Service New York NY
334 PM EDT Thu Apr 30 2020

CTZ005-006-009-010-NYZ078-080-010345-
/O.EXB.KOKX.WI.Y.0009.200430T2200Z-200501T0400Z/
Northern Fairfield-Northern New Haven-Southern Fairfield-
Southern New Haven-Northwestern Suffolk-Southwestern Suffolk-
334 PM EDT Thu Apr 30 2020

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

* WHAT...Southeast winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...In Connecticut, Fairfield and New Haven counties. In New
  York, Western Suffolk county.  

* WHEN...Until midnight EDT tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Highest winds along the immediate coast and
  in the higher elevations farther inland. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

NYZ075-176>179-010345-
/O.EXT.KOKX.WI.Y.0009.000000T0000Z-200501T0400Z/
Kings (Brooklyn)-Northern Queens-Northern Nassau-Southern Queens-
Southern Nassau-
334 PM EDT Thu Apr 30 2020

...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

* WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph.

* WHERE...Nassau and Queens Counties.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Highest winds along the immediate coast,
  also on elevated roadways and bridges. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

NJZ006-104-106-108-NYZ071>074-010000-
/O.CON.KOKX.WI.Y.0009.000000T0000Z-200501T0000Z/
Hudson-Eastern Bergen-Eastern Essex-Eastern Union-
Southern Westchester-New York (Manhattan)-Bronx-
Richmond (Staten Island)-
334 PM EDT Thu Apr 30 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Southeast winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...In New Jersey, Hudson, Eastern Bergen, Eastern Essex 
  and Eastern Union Counties. In New York, New York (Manhattan), 
  Southern Westchester, Richmond (Staten Island) and Bronx 
  Counties.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
906 
WWUS71 KOKX 010004
NPWOKX

URGENT - WEATHER MESSAGE
National Weather Service New York NY
804 PM EDT Thu Apr 30 2020

NJZ006-104-106-108-NYZ071>074-010115-
/O.EXP.KOKX.WI.Y.0009.000000T0000Z-200501T0000Z/
Hudson-Eastern Bergen-Eastern Essex-Eastern Union-
Southern Westchester-New York (Manhattan)-Bronx-
Richmond (Staten Island)-
804 PM EDT Thu Apr 30 2020

...WIND ADVISORY HAS EXPIRED...

Wind gusts will continue to diminish this evening, therefore the
Wind Advisory was allowed to expire.

$$

CTZ005-006-009-010-NYZ075-078-080-176>179-010400-
/O.CON.KOKX.WI.Y.0009.000000T0000Z-200501T0400Z/
Northern Fairfield-Northern New Haven-Southern Fairfield-
Southern New Haven-Kings (Brooklyn)-Northwestern Suffolk-
Southwestern Suffolk-Northern Queens-Northern Nassau-
Southern Queens-Southern Nassau-
804 PM EDT Thu Apr 30 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

* WHAT...Southeast winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Portions of southern Connecticut and southeast New 
  York.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Highest winds along the immediate coast,
  also on elevated roadways and bridges.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
150 
WWUS71 KOKX 010312
NPWOKX

URGENT - WEATHER MESSAGE
National Weather Service New York NY
1112 PM EDT Thu Apr 30 2020

CTZ005-006-009-010-NYZ075-078-080-176>179-010415-
/O.CAN.KOKX.WI.Y.0009.000000T0000Z-200501T0400Z/
Northern Fairfield-Northern New Haven-Southern Fairfield-
Southern New Haven-Kings (Brooklyn)-Northwestern Suffolk-
Southwestern Suffolk-Northern Queens-Northern Nassau-
Southern Queens-Southern Nassau-
1112 PM EDT Thu Apr 30 2020

...WIND ADVISORY IS CANCELLED...

Winds are decreasing. Winds are expected to remain below 30 mph
sustained and wind gusts are expected to remain below 45 mph.

$$

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 30, 3:52 AM EDTGale WarningOKX24 hr
Apr 30, 4:00 AM EDTCoastal Flood StatementOKXNassau, Suffolk26 hr

Nearby

Wind Advisories in New York, 2020Wind Advisories in New Jersey, 2020Wind Advisories in Connecticut, 2020Every wind advisory 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.