Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 19, NWS Burlington, VT

May 31, 1998St. Lawrence County, New York

NWS Burlington, VT issued this severe thunderstorm warning at May 31, 1998, 11:42 AM EDT for St. Lawrence County, New York. It was in force for 63 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
May 31, 1998, 11:42 AM EDT (15:42 UTC)
Expired
May 31, 1998, 12:45 PM EDT
In force
63 min
Issued by
NWS Burlington, VT
Area
Whole counties

County St. Lawrence County, NY

The watch it was issued in

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

IssuedProductOfficeLasted
May 31, 9:00 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 3.7 hours before the alert went out and 226 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 1998-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1673 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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.

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 31, 4:38 PM EDTSevere Thunderstorm WarningBTVWashington47 min
May 31, 5:23 PM EDTSevere Thunderstorm WarningBTVFranklin32 min
May 31, 5:46 PM EDTSevere Thunderstorm WarningBTVLamoille, Orleans59 min
May 31, 12:51 PM EDTSevere Thunderstorm WarningBTVFranklin, St. Lawrence59 min
May 31, 3:21 PM EDTSevere Thunderstorm WarningBTVEssex, Franklin59 min
May 31, 3:22 PM EDTSevere Thunderstorm WarningBTVFranklin, St. Lawrence63 min
May 31, 4:18 PM EDTSevere Thunderstorm WarningBTVClinton62 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.