Alert archive / Arizona / Flash Flood Warnings in 1995

Flash Flood Warning 14, NWS Phoenix, AZ

July 14, 1995Pinal County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jul 14, 1995, 2:20 PM MST for Pinal County, Arizona. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 14, 1995, 2:20 PM MST (21:20 UTC)
Expired
Jul 14, 1995, 4:20 PM MST
In force
2 hr
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Pinal County, AZ

The radar

The Phoenix radar (KIWA), 52 km from the middle of the area, began a volume at 21:22 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

Tuscon, AZ (KTUS), launched 12:00Z, 9.3 hours before the alert went out and 92 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 1995-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 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 1995-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
392 J/kg
Mixed-layer CIN
-141 J/kg
Mixed-layer LCL
2125 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPHX 142123
FFWPHX
AZC021-142320-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
220 PM MST FRI JUL 14 1995

THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A FLASH FLOOD
WARNING EFFECTIVE UNTIL 420 PM MST FOR PEOPLE IN THE FOLLOWING
LOCATIONS...

IN SOUTH-CENTRAL ARIZONA

  ...NORTHEASTERN PINAL COUNTY
     INCLUDING SUPERIOR

AT 220 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR IN PHOENIX
SHOWED STRONG THUNDERSTORMS WITH VERY HEAVY RAIN AND POSSIBLE HAIL
APPROACHING SUPERIOR FROM THE SOUTHEAST. DOPPLER RADAR ALSO INDICATED
THAT OVER 1 INCH OF RAIN PER HOUR WAS OCCURRING IN THIS AREA.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT
AS NORMALLY DRY CREEKS AND WASHES BECOME RAPIDLY FILLED WITH RUNOFF
FROM VERY HEAVY RAIN.

DO NOT TRY TO CROSS FLOODED HIGHWAYS. MOST FLASH FLOOD DEATHS OCCUR
IN AUTOMOBILES.

DO NOT LET YOUR CHILDREN PLAY NEAR DRAINAGE DITCHES OR CANALS.
J
CRAIG ELLIS

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, Jul 14, 12:40 PM MST, 1 hour 40 minutes before
AZZ007-008-009-010-142130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
1240 PM MST FRI JUL 14 1995

...STRONG THUNDERSTORMS SOUTHEAST OF GILA BEND AND NORTHWEST OF
ORACLE JUNCTION...

AT 1230 PM MST...NATIONAL WEATHER WEATHER SERVICE DOPPLER RADAR IN
PHOENIX SHOWED STRONG THUNDERSTORMS 15 TO 20 MILES SOUTHEAST OF GILA
BEND AND JUST WEST THROUGH NORTH OF ORACLE JUNCTION. THESE STORMS
WERE MOVING SLOWLY TOWARD THE NORTH BETWEEN 5 AND 10 MPH.

THE STORM SOUTHEAST OF GILA BEND MAY REACH INTERSTATE 8 EAST OF GILA
BEND BETWEEN MILEPOSTS 125 AND 145 BETWEEN 1 PM AND 2 PM MST.

STRONG GUSTY WINDS WITH SUDDEN VISIBILITY REDUCTION IN BLOWING
DUST...AND HEAVY RAIN WITH WATER FILLING ROADWAY DIPS IS POSSIBLE
WITH THESE STORMS.

CRAIG ELLIS
Special weather statement, Jul 14, 12:41 PM MST, 1 hour 39 minutes before
AZZ007-008-009-010-142130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
1240 PM MST FRI JUL 14 1995

...STRONG THUNDERSTORMS SOUTHEAST OF GILA BEND AND NORTHWEST OF
ORACLE JUNCTION...

AT 1230 PM MST...NATIONAL WEATHER WEATHER SERVICE DOPPLER RADAR IN
PHOENIX SHOWED STRONG THUNDERSTORMS 15 TO 20 MILES SOUTHEAST OF GILA
BEND AND JUST WEST THROUGH NORTH OF ORACLE JUNCTION. THESE STORMS
WERE MOVING SLOWLY TOWARD THE NORTH BETWEEN 5 AND 10 MPH.

THE STORM SOUTHEAST OF GILA BEND MAY REACH INTERSTATE 8 EAST OF GILA
BEND BETWEEN MILEPOSTS 125 AND 145 BETWEEN 1 PM AND 2 PM MST.

STRONG GUSTY WINDS WITH SUDDEN VISIBILITY REDUCTION IN BLOWING
DUST...AND HEAVY RAIN WITH WATER FILLING ROADWAY DIPS IS POSSIBLE
WITH THESE STORMS.

CRAIG ELLIS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 1:30 PM MSTFlash Flood WarningPSRMaricopa115 min

Nearby

Flash Flood Warnings in Arizona, 1995Every flash flood warning in 1995

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.