Alert archive / Arizona / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 16, NWS Phoenix, AZ

July 18, 1994Mohave County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 18, 1994, 9:44 PM MST for Mohave County, Arizona. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 18, 1994, 9:44 PM MST (04:44 UTC)
Expired
Jul 18, 1994, 11:45 PM MST
In force
2 hr
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Mohave County, AZ

The nearest sounding before it

Mercury/Desert R, NV (KDRA), launched 00:00Z, 4.7 hours before the alert went out and 226 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, Mercury/Desert R, NV at 00:00Z on 1994-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 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, Mercury/Desert R, NV at 00:00Z on 1994-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
131 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
3422 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
110 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 Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 5:11 PM MSTSevere Thunderstorm WarningPSRMohave94 min
Jul 19, 3:45 AM MSTSevere Thunderstorm WarningPSRLa Paz55 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1994Every severe thunderstorm warning in 1994

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.