Alert archive / Arizona / Flash Flood Warnings in 1994

Flash Flood Warning 7, NWS Phoenix, AZ

August 6, 1994Gila County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Aug 6, 1994, 6:47 PM MST for Gila County, Arizona. It was in force for 88 min.

The area

The counties it named.

The facts

Issued
Aug 6, 1994, 6:47 PM MST (01:47 UTC)
Expired
Aug 6, 1994, 8:15 PM MST
In force
88 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Gila County, AZ

The nearest sounding before it

Winslow (Autob), AZ (KINW), launched 00:00Z, 1.8 hours before the alert went out and 136 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 00:00Z on 1994-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Winslow (Autob), AZ at 00:00Z on 1994-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3642 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
131 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 070146
FFWPHX
AZC007-070315-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
647 PM MST SAT AUG 6 1994

THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A FLASH FLOOD
WARNING EFFECTIVE UNTIL 815 PM MST FOR PEOPLE IN THE FOLLOWING
LOCATIONS...

IN EAST CENTRAL ARIZONA

  ...SOUTHERN GILA COUNTY
     INCLUDING GLOBE AND MIAMI

AT 645 PM MST, PHOENIX DOPPLER RADAR DETECTED STRONG THUNDERSTORRMS
PRODUCING VERY HEAVY RAINFALL JUST NORTH OF THE GLOBE-MIAMI AREA.
RADAR DERIVED RAINFALL ESTIMATES INDICATED OVER TWO INCHES HAD
FALLEN DURING THE PAST HOUR JUST NORTH OF GLOBE IN THE VICINITY
OF APACHE PEAK. A SPOTTER IN CLAYPOOL REPORTED 1.03 INCHES OF RAIN
IN ONE HOUR. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT.
 
DO NOT TRY TO CROSS FLOODED HIGHWAYS. MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

OKULSKI

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, Aug 6, 5:30 PM MST, 1 hour 17 minutes before
AZZ004-070230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
530 PM MST SAT AUG 6 1994

...STRONG THUNDERSTORMS IN GILA COUNTY...

AT 525 PM MST, PHOENIX DOPPLER RADAR DETECTED AN AREA OF STRONG
THUNDERSTORMS FROM EAST OF CAMP VERDE ALONG HIGHWAY 260 THROUGH
PAYSON TO NORTH OF THEODORE ROOSEVELT LAKE. THESE THUNDERSTORMS
WERE MOVING TO WEST AT LESS THAN 10 MPH. DOPPLER RADAR INDICATED
THESE THUNDERSTORMS WERE CAPABLE OF PRODUCING STRONG, GUSTY WINDS,
SMALL HAIL, DANGEROUS LIGHTNING, AND LOCALLY HEAVY RAINFALL. THESE
THUNDERSTORMS WILL BE PASSING OVER THE BEELINE HIGHWAY BETWEEN
PAYSON AND SUNFLOWER BETWEEN 530 AND 615 PM MST.

OKULSKI
Special weather statement, Aug 6, 6:00 PM MST, 47 minutes before
AZZ007-004-070200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
600 PM MST SAT AUG 6 1994

...STRONG THUNDERSTORMS ACROSS WEST-CENTRAL ARIZONA...

AT 6 PM, PHOENIX DOPPLER RADAR DETECTED SEVERAL STRONG THUNDERSTORMS
ACROSS WEST-CENTRAL ARIZONA. THE STRONGEST STORM WAS 20 MILES NORTH-
NORTHEAST OF WENDEN IN FAR NORTHEAST LAPAZ COUNTY.  THIS STORM COULD
PRODUCE LOCALLY HEAVY RAIN, STRONG, GUSTY WINDS AND SMALL HAIL BETWEEN 6
AND 7 PM MST.

OTHER STORMS WERE LOCATED MIDWAY BETWEEN QUARTZSITE AND WENDEN IN LAPAZ
COUNTY AND BETWEEN BAGDAD AND KIRKLAND JUNCTION IN SOUTHWEST YAVAPAI
COUNTY.  THESE STORMS ARE MOVING VERY SLOWLY AND COULD PRODUCE STRONG,
GUSTY WINDS AND LOCALLY HEAVY RAINFALL BETWEEN 6 AND 7 PM MST.

GREEN
Special weather statement, Aug 6, 6:12 PM MST, 35 minutes before
AZZ004-070300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
615 PM MST SAT AUG 6 1994

...STRONG THUNDERSTORMS CONTINUE TO RUMBLE IN GILA COUNTY...

AT 610 PM MST, PHOENIX DOPPLER RADAR CONTINUED TO SHOW AN AREA
OF STRONG THUNDERSTORMS EXTENDING FROM 15 MILES WEST OF PAYSON
SOUTHEASTWARD TO THE GLOBE-MIAMI AREA. THE STRONGEST THUNDERSTORM WAS
CENTERED IN THE GLOBE-MIAMI AREA, WITH OTHER STRONG THUNDERSTORMS 15
MILES NORTH AND 15 MILES EAST OF ROOSEVELT LAKE. THESE THUNDERSTORMS
WERE DRIFTING TO THE SOUTHWEST AT LESS THAN 10 MPH.

RADAR INDICATED THAT THE THUNDERSTORMS WERE CAPABLE OF PRODUCING STRONG,
GUSTY WINDS TO NEAR 50 MPH, SMALL HAIL, AND UP TO ONE HALF INCH OF RAIBN
IN A HALF HOUR. BOATERS ON ROOSEVELT LAKE SHOULD SEEK SHELTER ALONG
THE SHORELINE, IF THREATENING CONDITIONS APPROACH.

OKULSKI
Special weather statement, Aug 6, 6:15 PM MST, 32 minutes before
AZZ004-070300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
615 PM MST SAT AUG 6 1994

...STRONG THUNDERSTORMS CONTINUE TO RUMBLE IN GILA COUNTY...

AT 610 PM MST, PHOENIX DOPPLER RADAR CONTINUED TO SHOW AN AREA
OF STRONG THUNDERSTORMS EXTENDING FROM 15 MILES WEST OF PAYSON
SOUTHEASTWARD TO THE GLOBE-MIAMI AREA. THE STRONGEST THUNDERSTORM WAS
CENTERED IN THE GLOBE-MIAMI AREA, WITH OTHER STRONG THUNDERSTORMS 15
MILES NORTH AND 15 MILES EAST OF ROOSEVELT LAKE. THESE THUNDERSTORMS
WERE DRIFTING TO THE SOUTHWEST AT LESS THAN 10 MPH.

RADAR INDICATED THAT THE THUNDERSTORMS WERE CAPABLE OF PRODUCING STRONG,
GUSTY WINDS TO NEAR 50 MPH, SMALL HAIL, AND UP TO ONE HALF INCH OF RAIN
IN A HALF HOUR. BOATERS ON ROOSEVELT LAKE SHOULD SEEK SHELTER ALONG
THE SHORELINE, IF THREATENING CONDITIONS APPROACH.

OKULSKI
Special weather statement, Aug 6, 6:27 PM MST, 20 minutes before
AZZ008-070330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
630 PM MST SAT AUG 6 1994

...RAPIDLY DEVELOPING THUNDERSTORMS IN NORTHERN MARICOPA COUNTY...

AT 625 PM MST, PHOENIX DOPPLER RADAR DETECTED RAPIDLY DEVELOPING
THUNDERSTORMS IN NORTHERN MARICOPA COUNTY NORTH OF NEW RIVER,
CAREFREE, AND CAVE CREEK. OUTFLOW WINDS FROM EARLIER THUNDERSTORMS
IN GILA AND YAVAPAI COUNTIES HAVE LED TO THIS NEW THUNDERSTORM
DEVELOPMENT JUST TO THE NORTH OF THE PHOENIX METROPOLITAN AREA.
THESE THUNDERSTORMS WERE MOVING TO THE SOUTHWEST AT 10 TO 15 MPH.
THE INITIAL THREAT TO THE NORTH VALLEY WILL BE GUSTY NORTH WINDS OF
35 TO 45 MPH BETWEEN 630 AND 715 PM MST.

NEW THUNDERSTORM DEVELOPMExNT IS LIKELY OVER THE NORTHERN PHOENIX
METROPOLITAN AREA BETWEEN 630 AND 730 PM MST.

OKULSKI
Special weather statement, Aug 6, 6:30 PM MST, 17 minutes before
AZZ008-070330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
630 PM MST SAT AUG 6 1994

...RAPIDLY DEVELOPING THUNDERSTORMS IN NORTHERN MARICOPA COUNTY...

AT 625 PM MST, PHOENIX DOPPLER RADAR DETECTED RAPIDLY DEVELOPING
THUNDERSTORMS IN NORTHERN MARICOPA COUNTY NORTH OF NEW RIVER,
CAREFREE, AND CAVE CREEK. OUTFLOW WINDS FROM EARLIER THUNDERSTORMS
IN GILA AND YAVAPAI COUNTIES HAVE LED TO THIS NEW THUNDERSTORM
DEVELOPMENT JUST TO THE NORTH OF THE PHOENIX METROPOLITAN AREA.
THESE THUNDERSTORMS WERE MOVING TO THE SOUTHWEST AT 10 TO 15 MPH.
THE INITIAL THREAT TO THE NORTH VALLEY WILL BE GUSTY NORTH WINDS OF
35 TO 45 MPH BETWEEN 630 AND 715 PM MST.

NEW THUNDERSTORM DEVELOPMENT IS LIKELY OVER THE NORTHERN PHOENIX
METROPOLITAN AREA BETWEEN 630 AND 730 PM MST.

OKULSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 8:40 PM MSTSevere Thunderstorm WarningPSRMaricopa50 min

Nearby

Flash Flood Warnings in Arizona, 1994Every flash flood warning in 1994

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.