Alert archive / New York / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 36, NWS Albany, NY

June 12, 1991Montgomery County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 12, 1991, 11:34 AM EDT for Montgomery County, New York. It was in force for 56 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, 11:34 AM EDT (15:34 UTC)
Expired
Jun 12, 1991, 12:30 PM EDT
In force
56 min
Issued by
NWS Albany, NY
Area
Whole counties

County Montgomery County, NY

What was reported inside it

TimeReportWhereRemark
Jun 12, 12:05 PM EDTHail 1.75Montgomery, 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.6 hours before the alert went out and 347 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 12:00Z on 1991-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1191 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 12:00Z on 1991-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.1939587897Sfc1 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
1191 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

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, 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, 2:10 PM EDTSevere Thunderstorm WarningALYColumbia35 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.