Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 53, NWS Albany, NY

July 20, 1998Albany County, Schoharie County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 20, 1998, 6:48 AM EDT for Albany County, Schoharie County, New York. It was in force for 57 min. 1 report 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
Jul 20, 1998, 6:48 AM EDT (10:48 UTC)
Expired
Jul 20, 1998, 7:45 AM EDT
In force
57 min
Issued by
NWS Albany, NY
Area
Whole counties

Counties Albany County, NY, Schoharie County, NY

What was reported inside it

TimeReportWhereRemark
Jul 20, 7:01 AM EDTThunderstorm WindMiddleburg, NYA weak warm front moving north from eastern New York produced an isolated severe thunderstorm in Schoharie County. The storm downed power lines in the town of Middleburgh.

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 00:00Z, 10.8 hours before the alert went out and 33 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 00:00Z on 1998-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 125 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 00:00Z on 1998-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.19395878Sfc1 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
125 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1454 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
48 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.

994 
WUUS1 KALB 201049 RRA
SVRALB
NYC001-095-201150-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
648 AM EDT MON JUL 20 1998


THE NATIONAL WEATHER SERVICE IN ALBANY NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SCHOHARIE   COUNTY IN EASTERN NEW YORK
  ALBANY      COUNTY IN EASTERN NEW YORK

* UNTIL  745 AM EDT

* AT  645 AM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM ABOUT 5 MILES SOUTHEAST OF RICHMONDVILLE
  MOVING EAST ABOUT 40 MILES AN HOUR.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  5 MILES SOUTH OF COBLESKILL AT  650 AM
  MIDDLEBURGH AT  655 AM
  SCHOHARIE AT  700 AM
  5 MILES SOUTH OF DELANSON AT  710 AM
  ALTAMONT AT  720 AM
  WESTMERE AT  730 AM
  COLONIE AT  735 AM

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.


|42.603  74.491 |42.640  74.300 |42.678  74.110 |42.716  73.919
|42.754  73.729

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 20, 3:07 AM EDT, 3 hours 41 minutes before
CTZ001-MAZ001-NYZ039-040-047>054-058>061-063>066-201500-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
307 AM EDT MON JUL 20 1998

...ISOLATED AREAS OF DAMAGING WIND ARE POSSIBLE IN SOUTHEASTERN NEW
YORK AND SOUTHWESTERN NEW ENGLAND TODAY...

SCATTERED THUNDERSTORMS ARE POSSIBLE IN SOUTHEASTERN NEW YORK AND
SOUTHERN NEW ENGLAND TODAY.  ISOLATED THUNDERSTORMS MAY BECOME
STRONG ENOUGH TO PRODUCE WIND GUSTS AROUND 60 MILES AN HOUR.

WARMER MORE HUMID AIR WILL MOVE INTO EASTERN NEW YORK AND SOUTHERN
NEW ENGLAND.  THIS WILL GIVE THE ATMOSPHERE THE POTENTIAL TO
PRODUCE ISOLATED SEVERE THUNDERSTORMS.  DRIER AIR WILL BLOW IN
TONIGHT...AND THE THREAT WILL DIMINISH DURING THE EVENING.

HEMMERICH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 1:55 PM EDTSevere Thunderstorm WarningALYSchoharie65 min
Jul 20, 2:03 PM EDTSevere Thunderstorm WarningALYMontgomery42 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.