Alert archive / New York / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 41, NWS Albany, NY

June 12, 1991Columbia County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 12, 1991, 2:10 PM EDT for Columbia County, New York. It was in force for 35 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
Jun 12, 1991, 2:10 PM EDT (18:10 UTC)
Expired
Jun 12, 1991, 2:45 PM EDT
In force
35 min
Issued by
NWS Albany, NY
Area
Whole counties

County Columbia County, NY

What was reported inside it

TimeReportWhereRemark
Jun 12, 2:30 PM EDTThunderstorm Wind 0Columbia, NY

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 6.2 hours before the alert went out and 310 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, Chatham, MA at 12:00Z on 1991-06-12Temperature 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, Chatham, MA at 12:00Z on 1991-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
1044 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
108 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 Albany, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 11:13 AM EDTSevere Thunderstorm WarningALYHerkimer47 min
Jun 12, 11:34 AM EDTSevere Thunderstorm WarningALYMontgomery56 min
Jun 12, 12:46 PM EDTSevere Thunderstorm WarningALYSchenectady59 min
Jun 12, 1:01 PM EDTSevere Thunderstorm WarningALYAlbany, Schoharie59 min
Jun 12, 1:45 PM EDTSevere Thunderstorm WarningALYRensselaer60 min
Jun 12, 2:45 PM EDTSevere Thunderstorm WarningALYDutchess60 min
Jun 12, 3:03 PM EDTSevere Thunderstorm WarningALYFranklin57 min
Jun 12, 3:25 PM EDTSevere Thunderstorm WarningALYOrange65 min
Jun 12, 3:33 PM EDTSevere Thunderstorm WarningALYPutnam57 min
Jun 12, 2:05 PM EDTSevere Thunderstorm WarningALYBerkshire55 min

Nearby

Severe Thunderstorm Warnings in New York, 1991Every severe thunderstorm warning in 1991

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.