Alert archive / Arizona / Flash Flood Warnings in 1993

Flash Flood Warning 7, NWS Phoenix, AZ

January 8, 1993Yavapai County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jan 8, 1993, 9:00 AM MST for Yavapai County, Arizona. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 8, 1993, 9:00 AM MST (16:00 UTC)
Expired
Jan 8, 1993, 9:00 PM MST
In force
12 hr
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Yavapai County, AZ

The nearest sounding before it

Winslow (Autob), AZ (KINW), launched 12:00Z, 4.0 hours before the alert went out and 176 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, Winslow (Autob), AZ at 12:00Z on 1993-01-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Winslow (Autob), AZ at 12:00Z on 1993-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
780 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
56 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.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jan 8, 4:27 AM MST, 4 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
430 AM MST FRI JAN 8 1993

...SNOW ADVISORY FOR THE CENTRAL MOUNTAINS ABOVE 6500 FEET TODAY...

DURING THE EARLY MORNING HOURS RAIN CHANGED TO SNOW AT THE SOUTH RIM
OF THE GRAND CANYON. AT 4 AM IT HAD TEMPORARILY STOPPED...BUT IN THE
PREVIOUS TWO AND A HALF HOURS 7 INCHES OF HEAVY WET SNOW ACCUMULATED.

RAIN WILL CHANGE TO SNOW AT MOST LOCATIONS ABOVE 6500 FEET THIS
MORNING. AND ACCUMULATIONS OF UP TO 6 INCHES ARE EXPECTED...WITH
LOCALLY HIGHER TOTALS...BEFORE ENDING THIS EVENING.

AS A RESULT DRIVING INTO THE MOUNTAINS TODAY WILL BE HAZARDOUS.
MOTORISTS WILL NEED TO USE EXTREME CAUTION AND ALLOW EXTRA TIME TO
REACH THEIR DESTINATION.

PERFREMENT

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 8, 4:15 AM MSTFlash Flood WarningPSRMohave5 hr
Jan 8, 4:15 AM MSTFlash Flood WarningPSRGila, Yavapai5 hr
Jan 8, 5:40 AM MSTFlash Flood WarningPSRMohave4 hr
Jan 8, 5:40 AM MSTFlash Flood WarningPSRGila, Yavapai4 hr
Jan 8, 5:40 AM MSTFlash Flood WarningPSRMaricopa4 hr
Jan 8, 9:00 AM MSTFlash Flood WarningPSRGila, Maricopa, Pinal12 hr
Jan 8, 9:00 AM MSTFlash Flood WarningPSRMohave3 hr

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.