Alert archive / New Hampshire / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 30, NWS Gray, ME

September 10, 1992Grafton County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Sep 10, 1992, 6:31 PM EDT for Grafton County, New Hampshire. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Sep 10, 1992, 6:31 PM EDT (22:31 UTC)
Expired
Sep 10, 1992, 7:30 PM EDT
In force
59 min
Issued by
NWS Gray, ME
Area
Whole counties

County Grafton County, NH

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 10.5 hours before the alert went out and 214 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 1992-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 236 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 1992-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 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
236 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
634 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

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 Gray, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 10, 7:04 PM EDTSevere Thunderstorm WarningGYXCoos56 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 1992Every severe thunderstorm warning in 1992

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.