Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 48, NWS Albany, NY

June 30, 1998Dutchess County, Ulster County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 1998, 6:35 PM EDT for Dutchess County, Ulster County, New York. It was in force for 70 min. 15 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 30, 1998, 6:35 PM EDT (22:35 UTC)
Expired
Jun 30, 1998, 7:45 PM EDT
In force
70 min
Issued by
NWS Albany, NY
Area
Whole counties

Counties Dutchess County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 85 km from the middle of the area, began a volume at 22:37 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 30, 6:45 PM EDTThunderstorm WindEllenville, NY
Jun 30, 6:50 PM EDTThunderstorm WindMarlboro, NY
Jun 30, 6:50 PM EDTThunderstorm WindPlattekill, NY
Jun 30, 6:50 PM EDTThunderstorm WindGardiner, NY
Jun 30, 6:55 PM EDTThunderstorm WindArdonia, NY
Jun 30, 7:05 PM EDTHail 1Fishkill, NY
Jun 30, 7:10 PM EDTThunderstorm WindFishkill, NY
Jun 30, 7:10 PM EDTHail 0.75Wappingers Falls, NY
Jun 30, 7:15 PM EDTThunderstorm WindWappingers Falls, NY
Jun 30, 7:15 PM EDTHail 0.75Stormville, NY
Jun 30, 7:20 PM EDTHail 0.88Whaley Lake, NY
Jun 30, 7:25 PM EDTThunderstorm WindPoughkeepsie, NY
Jun 30, 7:30 PM EDTHail 1Holmes, NY
Jun 30, 7:35 PM EDTThunderstorm Wind 52Holmes, NY
Jun 30, 7:35 PM EDTThunderstorm WindPoughkeepsie, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 30, 3:15 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.6 hours before the alert went out and 143 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 1998-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 640 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 1998-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 km3 km6 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
640 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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.

244 
WUUS1 KALB 302237 RRA
SVRALB
NYC111-027-302345-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
635 PM EDT TUE JUN 30 1998
 
THE NATIONAL WEATHER SERVICE IN ALBANY NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ULSTER    COUNTY IN SOUTHEASTERN NEW YORK
  DUTCHESS  COUNTY IN SOUTHEASTERN NEW YORK

* UNTIL 745 PM EDT

* AT 635 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  RAPIDLY DEVELOPING SEVERE THUNDERSTORMS ACROSS SOUTH-CENTRAL 
  ULSTER COUNTY SOUTH OF KERHONKSON MOVING EAST AT ABOUT 
  30 MILES AN HOUR. EXPECT DAMAGING WINDS AND HAIL WITH THESE
  STORMS.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  7 MILES SOUTH OF KERHONKSON AT  640 PM
  5 MILES SOUTH OF NEW PALTZ AT  650 PM
  CLINTONDALE AT  700 PM
  HIGHLAND AT  710 PM
  FAIRVIEW AT  715 PM
  PLEASANT VALLEY AT  720 PM
  MILLBROOK AT  735 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:13 PM EDTSevere Thunderstorm WarningALYDutchess62 min
Jun 30, 7:25 PM EDTTornado WarningALYDutchess65 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.