Alert archive / New York / Tornado Watches in 1998

Tornado Watch 485

May 31, 19987 states

The Storm Prediction Center issued this tornado watch at May 31, 1998, 8:00 PM EDT for 7 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 31, 1998, 8:00 PM EDT (00:00 UTC)
Expired
Jun 1, 1998, 2:00 AM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 49 counties

Berkshire County, MA, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, York County, ME, Belknap County, NH, Cheshire County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH, Sullivan County, NH, Albany County, NY, Broome County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Sullivan County, NY, Tioga County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Bradford County, PA, Susquehanna County, PA, Wayne County, PA, Bristol County, RI, Kent County, RI, Providence County, RI, Bennington County, VT, Windham County, VT

The radar

The Albany radar (KENX), 31 km from the middle of the area, began a volume at 00:02 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.

Warnings issued inside it

29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 31, 8:00 PM EDTSevere Thunderstorm WarningBOXFranklin50 min
May 31, 8:00 PM EDTTornado WarningBGMDelaware65 min
May 31, 8:04 PM EDTTornado WarningBGMPike, Wayne66 min
May 31, 8:04 PM EDTTornado WarningALYBennington41 min
May 31, 8:07 PM EDTTornado WarningBGMBradford63 min
May 31, 8:10 PM EDTSevere Thunderstorm WarningBOXHampshire50 min
May 31, 8:15 PM EDTSevere Thunderstorm WarningBGMSusquehanna65 min
May 31, 8:17 PM EDTSevere Thunderstorm WarningALYUlster73 min
May 31, 8:26 PM EDTSevere Thunderstorm WarningGYXMerrimack, Rockingham64 min
May 31, 8:28 PM EDTSevere Thunderstorm WarningBOXCheshire, Hillsborough47 min
May 31, 8:29 PM EDTSevere Thunderstorm WarningBGMSullivan66 min
May 31, 8:36 PM EDTTornado WarningALYBerkshire54 min
May 31, 8:50 PM EDTTornado WarningALYDutchess, Ulster75 min
May 31, 9:14 PM EDTSevere Thunderstorm WarningBOXHampden61 min
May 31, 9:19 PM EDTSevere Thunderstorm WarningBGMSusquehanna61 min
May 31, 9:21 PM EDTSevere Thunderstorm WarningBOXHampshire64 min
May 31, 9:43 PM EDTSevere Thunderstorm WarningBGMWayne62 min
May 31, 9:53 PM EDTSevere Thunderstorm WarningBOXWorcester62 min
May 31, 9:56 PM EDTTornado WarningBGMWayne64 min
May 31, 10:05 PM EDTTornado WarningBOXWorcester35 min
May 31, 10:06 PM EDTSevere Thunderstorm WarningBGMSullivan59 min
May 31, 10:19 PM EDTSevere Thunderstorm WarningBOXMiddlesex66 min
May 31, 10:25 PM EDTSevere Thunderstorm WarningBOXProvidence35 min
May 31, 10:30 PM EDTSevere Thunderstorm WarningBOXNorfolk45 min
May 31, 10:33 PM EDTSevere Thunderstorm WarningBOXBristol47 min
May 31, 10:40 PM EDTSevere Thunderstorm WarningBOXKent50 min
May 31, 10:40 PM EDTSevere Thunderstorm WarningBOXBristol50 min
May 31, 10:51 PM EDTSevere Thunderstorm WarningBOXEssex, Suffolk49 min
May 31, 11:00 PM EDTSevere Thunderstorm WarningBOXProvidence35 min

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.0 hours before the alert went out and 187 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 00:00Z on 1998-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 151 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, Brookhaven, NY at 00:00Z on 1998-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
151 J/kg
Mixed-layer CIN
-348 J/kg
Mixed-layer LCL
1224 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
319 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 31, 10:00 PM EDTTornado WatchSPC6 hr

Nearby

Tornado Watches in New York, 1998Tornado Watches in Massachusetts, 1998Tornado Watches in New Hampshire, 1998Every tornado watch 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.