Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 47, NWS Albany, NY

June 29, 1998Schenectady County, Schoharie County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 29, 1998, 5:05 PM EDT for Schenectady County, Schoharie County, New York. It was in force for 55 min. 3 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
Jun 29, 1998, 5:05 PM EDT (21:05 UTC)
Expired
Jun 29, 1998, 6:00 PM EDT
In force
55 min
Issued by
NWS Albany, NY
Area
Whole counties

Counties Schenectady County, NY, Schoharie County, NY

The radar

The Albany radar (KENX), 20 km from the middle of the area, began a volume at 21:08 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

TimeReportWhereRemark
Jun 29, 5:15 PM EDTHail 1Sloansville, NY
Jun 29, 5:28 PM EDTThunderstorm WindCobleskill, NY
Jun 29, 5:30 PM EDTThunderstorm WindDuanesburg, 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, 9.1 hours before the alert went out and 34 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, Albany, NY at 12:00Z on 1998-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 1998-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
142 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

998 
WUUS1 KALB 292115 RRA
SVRALB
NYC095-093-292200-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
505 PM EDT MON JUN 29 1998
 
THE NATIONAL WEATHER SERVICE IN ALBANY NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEAST SCHOHARIE   COUNTY IN EASTERN NEW YORK
  WESTERN SCHENECTADY   COUNTY IN EASTERN NEW YORK
  
* UNTIL  600 PM EDT

* AT 505 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ACROSS FAR SOUTHEASTERN MONTGOMERY
  COUNTY NEAR THE SCHOHARIE CREEK MOVING SOUTHEAST AT 
  ABOUT 25 MILES AN HOUR. THIS STORM HAS A HISTORY OF PRODUCING
  LARGE AND DAMAGING HAIL. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ESPERANCE AT  520 PM
  DELANSON AT  525 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.


|42.802  74.377 |42.754  74.264 |42.706  74.152 |42.658  74.040 |42.610  73.927

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 4:32 PM EDTSevere Thunderstorm WarningALYMontgomery43 min

Nearby

Severe Thunderstorm Warnings in New York, 1998Every 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.