Alert archive / New York / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 71, NWS Albany, NY

July 23, 1991Schoharie County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 23, 1991, 2:37 PM EDT for Schoharie County, New York. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 23, 1991, 2:37 PM EDT (18:37 UTC)
Expired
Jul 23, 1991, 3:30 PM EDT
In force
53 min
Issued by
NWS Albany, NY
Area
Whole counties

County Schoharie County, NY

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 6.6 hours before the alert went out and 349 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, Atlantic City In, NJ at 12:00Z on 1991-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 835 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, Atlantic City In, NJ at 12:00Z on 1991-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
835 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
1396 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
83 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
Jul 23, 1:35 PM EDTSevere Thunderstorm WarningALYMontgomery, Schoharie55 min
Jul 23, 2:05 PM EDTSevere Thunderstorm WarningALYAlbany, Schenectady55 min
Jul 23, 2:13 PM EDTSevere Thunderstorm WarningALYSullivan62 min
Jul 23, 2:16 PM EDTSevere Thunderstorm WarningALYPutnam59 min
Jul 23, 2:51 PM EDTSevere Thunderstorm WarningALYOrange54 min
Jul 23, 3:29 PM EDTFlash Flood WarningALYPutnam91 min
Jul 23, 3:29 PM EDTSevere Thunderstorm WarningALYPutnam91 min
Jul 23, 3:45 PM EDTSevere Thunderstorm WarningALYOrange45 min
Jul 23, 3:52 PM EDTSevere Thunderstorm WarningALYBerkshire23 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; the sounding from the Mesonet's radiosonde archive.