Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 67, NWS Albany, NY

September 7, 1998Warren County, Washington County, New York

NWS Albany, NY issued this severe thunderstorm warning at Sep 7, 1998, 1:37 AM EDT for Warren County, Washington County, New York. It was in force for 93 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 7, 1998, 1:37 AM EDT (05:37 UTC)
Expired
Sep 7, 1998, 3:10 AM EDT
In force
93 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 05:40 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 00:00Z, 5.6 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-pSkew-T log-p diagram, Albany, NY at 00:00Z on 1998-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1998 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 1998-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
1998 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1651 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.7
Supercell composite
10.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KALB 070537 RRA
SVRALB
NYC113-115-070710-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
137 AM EDT MON SEP 7 1998

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

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

* UNTIL 310 AM EDT

* AT 135 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM BETWEEN BAKERS MILLS AND PUTNAM STATION...
  MOVING SOUTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WARRENSBURG AND SOUTH BAY AT 150 AM EDT
  LAKE GEORGE AND HAMPTON AT 210 AM EDT
  GLENS FALLS AND GRANVILLE AT 225 AM EDT

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

GG

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 12:28 AM EDTSevere Thunderstorm WarningALYHamilton, Herkimer92 min
Sep 7, 1:48 AM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Herkimer, Montgomery2 hr
Sep 7, 1:48 AM EDTSevere Thunderstorm WarningALYSchoharie2 hr
Sep 7, 1:59 AM EDTTornado WarningALYHerkimer61 min
Sep 7, 2:37 AM EDTSevere Thunderstorm WarningALYAlbany, Saratoga, Schenectady118 min
Sep 7, 2:37 AM EDTSevere Thunderstorm WarningALYGreene118 min
Sep 7, 2:57 AM EDTSevere Thunderstorm WarningALYColumbia, Rensselaer118 min
Sep 7, 2:57 AM EDTSevere Thunderstorm WarningALYWashington118 min
Sep 7, 3:12 AM EDTSevere Thunderstorm WarningALYWarren63 min
Sep 7, 3:22 AM EDTTornado WarningALYSaratoga48 min
Sep 7, 3:32 AM EDTTornado WarningALYWashington33 min
Sep 7, 5:40 AM EDTSevere Thunderstorm WarningALYUlster60 min
Sep 7, 6:05 AM EDTSevere Thunderstorm WarningALYDutchess45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.