Alert archive / Arizona / Flash Flood Warnings in 1996

Flash Flood Warning 3, NWS Phoenix, AZ

July 10, 1996Gila County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jul 10, 1996, 6:15 PM MST for Gila County, Arizona. It was in force for 55 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 10, 1996, 6:15 PM MST (01:15 UTC)
Expired: Jul 10, 1996, 7:10 PM MST
In force: 55 min
Issued by: NWS Phoenix, AZ
Area: Whole counties

County Gila County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 1.3 hours before the alert went out and 181 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 586 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1783 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: -27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPHX 110115
FFWPHX
AZC007-110210-

BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
615 PM MST WED JUL 10 1996

THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A SEVERE
THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 710 PM MST FOR
PEOPLE IN THE FOLLOWING LOCATIONS...

IN EAST-CENTRAL ARIZONA

  ...SOUTHERN GILA COUNTY

AT 612 PM...RADAR DETECTED SEVERE THUNDERSTORMS DEVELOPING RAPIDLY
WITHIN 5 MILES OF GLOBE. THEY WERE DEVELOPING SOUTHWARD TOWARD THE
CITY. DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE WITH THESE STORMS...
AS WELL AS VERY HEAVY RAIN.

SEEK SHELTER IN A STRONG BUILDING...BUT STAY AWAY FROM WINDOWS.

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

FAUSETT

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 10, 1:15 PM MST, 5 hours before

AZZ015>026-111200-

SEVERE WEATHER OUTLOOK FOR SOUTHERN AND CENTRAL ARIZONA
NATIONAL WEATHER SERVICE PHOENIX AZ
130 PM MST WED JUL 10 1996

THERE IS A SLIGHT RISK OF A SEVERE THUNDERSTORM ACROSS MOST OF
SOUTHERN AND CENTRAL ARIZONA FOR THIS AFTERNOON AND TONIGHT.

THE AIRMASS OVER SOUTHERN AND CENTRAL ARIZONA IS VERY MOIST AND THE
WINDS ALOFT ARE LIGHT...SO THE THUNDERSTORMS WILL MOVE SLOWLY.
THUNDERSTORMS DEVELOPING IN THIS AREA TODAY AND TONIGHT WILL LIKELY
PRODUCE LOCALLY HEAVY RAINS. ALSO...A FEW OF THESE THUNDERSTORMS MAY
PRODUCE STRONG GUSTY WINDS.

PERSONS IN SOUTHERN AND CENTRAL ARIZONA ARE URGED TO PAY CLOSE
ATTENTION TO WEATHER DEVELOPMENTS...AND STAY TUNE TO THE LATEST
FORECASTS IN THE EVENT WEATHER WATCHES OR WARNINGS ARE NEEDED.

BERKOVITZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 6:15 PM MST	Severe Thunderstorm Warning	PSR	Gila	55 min

Nearby

Flash Flood Warnings in Arizona, 1996 Every 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.