Alert archive / New York / Special Weather Statements in 2012

Special Weather Statement, NWS New York, NY

July 24, 2012Richmond County, New York

NWS New York, NY issued this special weather statement at Jul 24, 2012, 7:21 PM EDT for Richmond County, New York. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 24, 2012, 7:21 PM EDT (23:21 UTC)
Expired
Jul 24, 2012, 7:45 PM EDT
In force
24 min
Issued by
NWS New York, NY

County Richmond County, NY

The radar

The Philadelphia radar (KDIX), 72 km from the middle of the area, began a volume at 23:22 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, 11.4 hours before the alert went out and 115 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 2012-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1283 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.193958Sfc1 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
1283 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

949 
WWUS81 KOKX 242321
SPSOKX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
721 PM EDT TUE JUL 24 2012

NYZ074-242345-
RICHMOND (STATEN IS.)-
721 PM EDT TUE JUL 24 2012

...STRONG THUNDERSTORM WILL IMPACT RICHMOND (STATEN ISLAND) COUNTY...

AT 719 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR OAKWOOD...OR NEAR HUGUENOT...AND MOVING
SOUTHEAST AT 30 MPH.

WINDS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE
TO SAFE SHELTER IMMEDIATELY.

LAT...LON 4052 7426 4054 7426 4056 7422 4058 7422
      4060 7420 4063 7420 4065 7418 4065 7409
      4063 7406 4060 7405 4052 7413 4053 7415
      4049 7422

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 3:29 AM EDTSmall Craft AdvisoryOKX31 hr
Jul 24, 5:23 PM EDTSpecial Weather StatementOKXPutnam37 min
Jul 24, 5:46 PM EDTSpecial Marine WarningOKX29 min
Jul 24, 5:50 PM EDTSpecial Marine WarningOKX40 min
Jul 24, 6:01 PM EDTSevere Thunderstorm WarningOKXSuffolk44 min
Jul 24, 6:03 PM EDTSpecial Marine WarningOKX42 min
Jul 24, 6:46 PM EDTSpecial Weather StatementOKXSuffolk59 min
Jul 24, 7:03 PM EDTSpecial Weather StatementOKXNassau42 min
Jul 24, 7:26 PM EDTSpecial Marine WarningOKX49 min
Jul 24, 4:46 AM EDTSpecial Weather StatementOKX44 min
Jul 24, 4:39 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region66 min
Jul 24, 4:54 PM EDTSpecial Weather StatementOKX66 min
Jul 24, 5:29 PM EDTSpecial Weather StatementOKX61 min

Nearby

Special Weather Statements in New York, 2012Every special weather statement in 2012

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.