Alert archive / New York / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 33, NWS Burlington, VT

July 9, 1994Lewis County, New York

NWS Burlington, VT issued this severe thunderstorm warning at Jul 9, 1994, 2:45 AM EDT for Lewis County, New York. It was in force for 75 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1994, 2:45 AM EDT (06:45 UTC)
Expired
Jul 9, 1994, 4:00 AM EDT
In force
75 min
Issued by
NWS Burlington, VT
Area
Whole counties

County Lewis County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 6.8 hours before the alert went out and 279 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, Buffalo Intl Airport, NY at 00:00Z on 1994-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1309 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, Buffalo Intl Airport, NY at 00:00Z on 1994-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.1939Sfc1 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
1309 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1238 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
155 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 5:44 AM EDTSevere Thunderstorm WarningBTVAddison61 min
Jul 9, 3:49 PM EDTSevere Thunderstorm WarningBTVChittenden41 min
Jul 9, 4:34 PM EDTSevere Thunderstorm WarningBTVFranklin26 min
Jul 9, 5:51 PM EDTSevere Thunderstorm WarningBTVRutland, Windsor54 min
Jul 9, 12:37 AM EDTFlash Flood WarningBTVSt. Lawrence2 hr
Jul 9, 12:37 AM EDTSevere Thunderstorm WarningBTVSt. Lawrence2 hr
Jul 9, 1:39 AM EDTSevere Thunderstorm WarningBTVJefferson, Lewis, Oswego66 min
Jul 9, 4:03 PM EDTSevere Thunderstorm WarningBTVOswego72 min

Nearby

Severe Thunderstorm Warnings in New York, 1994Every severe thunderstorm warning in 1994

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.