Alert archive / California / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 9, NWS Hanford, CA

October 30, 1996Fresno County, California

NWS Hanford, CA issued this severe thunderstorm warning at Oct 30, 1996, 1:34 PM PST for Fresno County, California. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 30, 1996, 1:34 PM PST (21:34 UTC)
Expired
Oct 30, 1996, 2:30 PM PST
In force
56 min
Issued by
NWS Hanford, CA
Area
Whole counties

County Fresno County, CA

The radar

The San Joaquin Valley radar (KHNX), 49 km from the middle of the area, began a volume at 21:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lompoc (Awos), CA (KLPC), launched 12:00Z, 9.6 hours before the alert went out and 242 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, Lompoc (Awos), CA at 12:00Z on 1996-10-30Temperature 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, Lompoc (Awos), CA at 12:00Z on 1996-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939587897117Sfc1 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
817 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
143 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 Hanford, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 30, 12:57 PM PSTTornado WarningHNXFresno33 min
Oct 30, 2:32 PM PSTSevere Thunderstorm WarningHNXFresno, Kings58 min
Oct 30, 2:50 PM PSTSevere Thunderstorm WarningHNXKern55 min
Oct 30, 3:32 PM PSTSevere Thunderstorm WarningHNXKings43 min

Nearby

Severe Thunderstorm Warnings in California, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.