Alert archive / New York / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 113, NWS Albany, NY

August 16, 2004Greene County, Schoharie County, Ulster County, New York

NWS Albany, NY issued this severe thunderstorm warning at Aug 16, 2004, 4:39 PM EDT for Greene County, Schoharie County, Ulster County, New York. It was in force for 66 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: Aug 16, 2004, 4:39 PM EDT (20:39 UTC)
Expired: Aug 16, 2004, 5:45 PM EDT
In force: 66 min
Issued by: NWS Albany, NY
Area: Counties, with a storm outline in the text

Counties Greene County, NY, Schoharie County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 39 km from the middle of the area, began a volume at 20:39 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

Albany, NY (KALY), launched 12:00Z, 8.7 hours before the alert went out and 60 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 36 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 501 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 13 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.

000 
WUUS51 KALY 162039
SVRALY
NYC039-095-111-162145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
438 PM EDT MON AUG 16 2004

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SCHOHARIE COUNTY IN EAST CENTRAL NEW YORK
  GREENE COUNTY IN EAST CENTRAL NEW YORK
  ULSTER COUNTY IN EAST CENTRAL NEW YORK

* UNTIL 545 PM EDT

* AT 434 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM SCHOHARIE TO PRATTSVILLE TO    
  7 MILES WEST OF ELLENVILLE...AND MOVING EAST AT 15 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  OLD CENTRAL BRIDGE...CENTRAL BRIDGE...SCHOHARIE AND MIDDLEBURGH BY
  445 PM EDT
  NAPANOCH AND HONK HILL BY 455 PM EDT
  ELLENVILLE BY 500 PM EDT
  PHOENICIA AND LIVINGSTONVILLE BY 505 PM EDT
  MOUNT TREMPER BY 510 PM EDT

THESE ARE DANGEROUS STORMS. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD 
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... 
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4274 7447 4225 7456 4158 7461 4166 7402
      4221 7393 4237 7425 4277 7421

$$

OKEEFE

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 16, 3:38 PM EDT	Severe Thunderstorm Warning	ALY	Schoharie	52 min
Aug 16, 4:58 PM EDT	Flash Flood Warning	ALY	Warren, Washington	4 hr
Aug 16, 5:08 PM EDT	Severe Thunderstorm Warning	ALY	Albany	67 min

Nearby

Severe Thunderstorm Warnings in New York, 2004 Every severe thunderstorm warning in 2004

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.