Alert archive / Arizona / Flash Flood Warnings in 1993

Flash Flood Warning 19, NWS Phoenix, AZ

January 17, 1993Maricopa County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jan 17, 1993, 8:20 AM MST for Maricopa County, Arizona. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jan 17, 1993, 8:20 AM MST (15:20 UTC)
Expired
Jan 17, 1993, 3:00 PM MST
In force
7 hr
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Maricopa County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 3.3 hours before the alert went out and 198 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 12:00Z on 1993-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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, Tuscon, AZ at 12:00Z on 1993-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.1939587897117136156Sfc1 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
113 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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
Jan 17, 4:35 AM MSTFlash Flood WarningPSRGila, Navajo4 hr
Jan 17, 4:35 AM MSTFlash Flood WarningPSRCoconino, Yavapai4 hr
Jan 17, 4:35 AM MSTFlash Flood WarningPSRMaricopa4 hr
Jan 17, 8:20 AM MSTFlash Flood WarningPSRCoconino, Gila, Yavapai7 hr
Jan 17, 8:20 AM MSTFlash Flood WarningPSRNavajo7 hr
Jan 17, 8:20 AM MSTFlash Flood WarningPSRApache7 hr
Jan 17, 12:32 PM MSTTornado WarningPSRMaricopa28 min
Jan 17, 2:02 PM MSTTornado WarningPSRMaricopa33 min

Nearby

Flash Flood Warnings in Arizona, 1993Every flash flood warning in 1993

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.