Alert archive / New York / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 28, NWS Albany, NY

July 29, 1986Herkimer County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 29, 1986, 11:59 AM EDT for Herkimer County, New York. It was in force for 61 min. 2 reports 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
Jul 29, 1986, 11:59 AM EDT (15:59 UTC)
Expired
Jul 29, 1986, 1:00 PM EDT
In force
61 min
Issued by
NWS Albany, NY
Area
Whole counties

County Herkimer County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 29, 12:37 PM EDTThunderstorm Wind 0Herkimer, NY
Jul 29, 1:00 PM EDTThunderstorm Wind 0Herkimer, 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

Albany, NY (KALB), launched 12:00Z, 4.0 hours before the alert went out and 123 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 1986-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 964 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, Albany, NY at 12:00Z on 1986-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
964 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
39 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 29, 1:10 PM EDTSevere Thunderstorm WarningALYMontgomery50 min
Jul 29, 1:29 PM EDTSevere Thunderstorm WarningALYFulton41 min
Jul 29, 2:19 PM EDTSevere Thunderstorm WarningALYAlbany, Saratoga, Schenectady56 min
Jul 29, 2:56 PM EDTSevere Thunderstorm WarningALYWarren64 min
Jul 29, 3:14 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer61 min
Jul 29, 5:16 PM EDTSevere Thunderstorm WarningALYColumbia, Greene44 min
Jul 29, 5:42 PM EDTSevere Thunderstorm WarningALYBerkshire78 min

Nearby

Severe Thunderstorm Warnings in New York, 1986Every severe thunderstorm warning in 1986

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.