Alert archive / Arizona / Flash Flood Warnings in 1996

Flash Flood Warning 7, NWS Phoenix, AZ

July 14, 1996Maricopa County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jul 14, 1996, 8:55 PM MST for Maricopa County, Arizona. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 14, 1996, 8:55 PM MST (03:55 UTC)
Expired
Jul 14, 1996, 10:00 PM MST
In force
65 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Maricopa County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 3.9 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 00:00Z on 1996-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 00:00Z on 1996-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
10 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1897 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
70 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 150358
FFWPHX
AZC013-150450-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
855 PM MST SUN JUL 14 1996

THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A FLASH FLOOD
WARNING EFFECTIVE UNTIL 10 PM MST FOR PEOPLE IN THE FOLLOWING
LOCATIONS...

IN SOUTH-CENTRAL ARIZONA

  ...FAR NORTHWEST MARICOPA COUNTY...NEAR THE TOWN OF AGUILA.

A VERY LARGE AND PERSISTENT THUNDERSTORM LOCATED 4 TO 6 MILES
NORTHEAST OF THE SMALL TOWN OF AGUILA PRODUCED EXTREMELY HEAVY RAIN
BETWEEN 730 PM AND 845 PM.  RADAR RAINFALL ESTIMATES INDICATE UP TO
2.50 INCHES OF RAIN MAY HAVE FALLEN ON PORTIONS OF HIGHWAY 71
4 MILES NORTHEAST OF AGUILA.  THE THUNDERSTORM WAS STILL IN PROGRESS
AT 845 PM.  

WEATHER INFORMATION AND ROAD CONDITIONS ARE EXTREMELY DIFFICULT 
TO GET FROM THIS REMOTE AREA.  IT IS LIKELY THAT WASHES CROSSING
HIGHWAY 71 ARE FLOODED MAKING TRAVEL IMPOSSIBLE.  FLOODED ROADWAYS
ARE HARD TO SEE AT NIGHT.

MOTORISTS TRAVELING TO AND FROM THE TOWN OF AGUILA ON HIGHWAY 71
ARE URGED TO USE CAUTION.

THE FLASH FLOOD WARNING IS POSTED UNTIL 10 PM.     

  
VASQUEZ

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

Local storm report, Jul 14, 6:41 PM MST, 2 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
640 PM MST SUN JUL 14 1996

TIME(MST)   .....CITY LOCATION.....  STATE ...EVENT/REMARKS...
            ....COUNTY LOCATION....

0510 P.M.   6.5 SE OF GLOBE           AZ   TORNADO
07/14/96    GILA                           TORNADO LIFTED A TRAILER
                                           OFF ITS FOUNDATION...AND
                                           DAMAGED THREE OR FOUR
                                           OTHERS IN THE ALHAMBRA
                                           MOBILE HOME PARK.

NC/150140Z

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 5:31 PM MSTFlash Flood WarningPSRGila99 min
Jul 14, 5:31 PM MSTSevere Thunderstorm WarningPSRGila99 min
Jul 14, 5:45 PM MSTSevere Thunderstorm WarningPSRMaricopa, Pinal65 min
Jul 14, 7:07 PM MSTSevere Thunderstorm WarningPSRPinal63 min
Jul 14, 8:10 PM MSTSevere Thunderstorm WarningPSRMaricopa, Pinal80 min
Jul 14, 9:29 PM MSTSevere Thunderstorm WarningPSRMaricopa61 min
Jul 14, 10:30 PM MSTSevere Thunderstorm WarningPSRMaricopa60 min

Nearby

Flash Flood Warnings in Arizona, 1996Every flash flood warning in 1996

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.