Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 7, NWS Albany, NY

May 20, 1998Warren County, Washington County, New York

NWS Albany, NY issued this severe thunderstorm warning at May 20, 1998, 4:07 PM EDT for Warren County, Washington County, New York. It was in force for 53 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 20, 1998, 4:07 PM EDT (20:07 UTC)
Expired: May 20, 1998, 5:00 PM EDT
In force: 53 min
Issued by: NWS Albany, NY
Area: Whole counties

Counties Warren County, NY, Washington County, NY

The radar

The Albany radar (KENX), 101 km from the middle of the area, began a volume at 20:09 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.

What was reported inside it

Time	Report	Where	Remark
May 20, 4:30 PM EDT	Hail 0.75	Putnam Station, NY
May 20, 4:48 PM EDT	Hail 0.88	Chestertown, NY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.1 hours before the alert went out and 85 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1160 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 78 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.

850 
WUUS1 KALB 202008 RRA
SVRALB
NYC113-115-202110-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
407 PM EDT WED MAY 20 1998


THE NATIONAL WEATHER SERVICE IN ALBANY NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WARREN      COUNTY IN NORTHERN NEW YORK
  WASHINGTON  COUNTY IN NORTHERN NEW YORK

* UNTIL  500 PM EDT

* AT  405 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM ABOUT 10 MILES WEST OF HULETTS LANDING
  MOVING EAST ABOUT 20 MILES AN HOUR.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  THE NORTHERN TIP OF LAKE GEORGE AT 425 PM ...AND PASS NORTH
  OF HULETTS LANDING AT 435 PM

IF YOU LIVE IN THIS AREA BE READY TO SEEK SHELTER IN A BASEMENT
OR SMALL INTERIOR ROOM ON THE LOWEST LEVEL...AWAY FROM WINDOWS.


|43.673  73.725 |43.675  73.635 |43.678  73.544 |43.680  73.454
|43.683  73.364


HTS/GG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 1:35 PM EDT	Severe Thunderstorm Warning	ALY	Hamilton	50 min
May 20, 5:01 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess, Ulster	49 min

Nearby

Severe Thunderstorm Warnings in New York, 1998 Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.