Alert archive / Arizona / Flash Flood Warnings in 1992

Flash Flood Warning 11, NWS Phoenix, AZ

August 6, 1992Pima County, Pinal County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Aug 6, 1992, 6:22 PM MST for Pima County, Pinal County, Arizona. It was in force for 98 min.

The area

The counties it named.

The facts

Issued
Aug 6, 1992, 6:22 PM MST (01:22 UTC)
Expired
Aug 6, 1992, 8:00 PM MST
In force
98 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

Counties Pima County, AZ, Pinal County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 1.4 hours before the alert went out and 73 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, Tuscon, AZ at 00:00Z on 1992-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 274 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 00:00Z on 1992-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
274 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
2208 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
21 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 Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 6, 5:36 PM MSTSevere Thunderstorm WarningPSRGila, Pinal69 min
Aug 6, 6:43 PM MSTSevere Thunderstorm WarningPSRPinal62 min

Nearby

Flash Flood Warnings in Arizona, 1992Every flash flood 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.