Alert archive / Connecticut / Wind Advisories in 2011

Wind Advisory 13, NWS New York, NY

October 30, 2011Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut; Nassau County, Suffolk County, New York

NWS New York, NY issued this wind advisory at Oct 30, 2011, 1:08 AM EDT for Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut; Nassau County, Suffolk County, New York. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2011, 1:08 AM EDT (05:08 UTC)
Expired
Oct 30, 2011, 3:56 AM EDT
In force
3 hr
Issued by
NWS New York, NY

Counties Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Nassau County, NY, Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 41 km from the middle of the area, began a volume at 05:07 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

Brookhaven, NY (KOKX), launched 00:00Z, 5.1 hours before the alert went out and 41 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 00:00Z on 2011-10-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2011-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 327 square meters per square second.1939587897117136156Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
586 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
327 m²/s²
0-3 km storm-relative helicity
1530 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

133 
WWUS71 KOKX 300508
NPWOKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
108 AM EDT SUN OCT 30 2011

...STRONG WINDS CONTINUE FOR LONG ISLAND AND PORTIONS OF SOUTHERN
CONNECTICUT...

CTZ007-008-010>012-NYZ078>081-177-179-301000-
/O.CAN.KOKX.HW.W.0002.000000T0000Z-111030T1000Z/
/O.NEW.KOKX.WI.Y.0013.111030T0508Z-111030T1000Z/
NORTHERN MIDDLESEX-NORTHERN NEW LONDON-SOUTHERN NEW HAVEN-
SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-NORTHWESTERN SUFFOLK-
NORTHEASTERN SUFFOLK-SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-
NORTHERN NASSAU-SOUTHERN NASSAU-
108 AM EDT SUN OCT 30 2011

...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING.
THE HIGH WIND WARNING HAS BEEN CANCELLED. 

* LOCATIONS...PORTIONS OF SOUTHERN CONNECTICUT AND LONG ISLAND.

* HAZARDS...STRONG WINDS.

* WINDS...NORTH 20 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...OVERNIGHT. WINDS WILL DIMINISH TOWARD SUNRISE.

* IMPACTS...WIDESPREAD DOWNED TREES AND POWER OUTAGES CAN BE
  EXPECTED...ESPECIALLY IN AREAS WHERE SNOWFALL ACCUMULATES.
  EXTREMELY DANGEROUS TRAVEL CONDITIONS CAN BE EXPECTED AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 31 TO 39 MPH...
OR GUSTS OF 46 TO 57 MPH...ARE EXPECTED OR OCCURRING. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$
1 follow-up statement
775 
WWUS71 KOKX 300756
NPWOKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
356 AM EDT SUN OCT 30 2011

...WINDS SLOWLY DIMINISH TODAY...

CTZ007-008-010>012-NYZ078>081-177-179-300900-
/O.CAN.KOKX.WI.Y.0013.000000T0000Z-111030T1000Z/
NORTHERN MIDDLESEX-NORTHERN NEW LONDON-SOUTHERN NEW HAVEN-
SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-NORTHWESTERN SUFFOLK-
NORTHEASTERN SUFFOLK-SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-
NORTHERN NASSAU-SOUTHERN NASSAU-
356 AM EDT SUN OCT 30 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN UPTON HAS CANCELLED THE WIND
ADVISORY. 

EVEN THOUGH GUSTY NORTHWEST WINDS WILL PERSIST THROUGH MUCH OF THE
DAY TODAY...WINDS REACHING WIND ADVISORY CRITERIA...WHICH IS SUSTAINED
WINDS OF 31 TO 39 MPH...OR GUSTS OF 46 TO 57 MPH...ARE NO LONGER
EXPECTED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 3:57 PM EDTFreeze WarningOKXLower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region17 hr
Oct 29, 9:30 PM EDTSmall Craft AdvisoryOKX18 hr
Oct 30, 1:24 AM EDTGale WarningOKX14 hr
Oct 30, 3:50 PM EDTSmall Craft AdvisoryOKX8 hr
Oct 30, 3:57 PM EDTFrost AdvisoryOKXNassau, Suffolk17 hr

Nearby

Wind Advisories in Connecticut, 2011Wind Advisories in New York, 2011Every wind advisory in 2011

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.