Alert archive / Arizona / Flash Flood Warnings in 1995

Flash Flood Warning 12, NWS Phoenix, AZ

July 11, 1995Yavapai County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jul 11, 1995, 5:20 PM MST for Yavapai County, Arizona. It was in force for 95 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1995, 5:20 PM MST (00:20 UTC)
Expired
Jul 11, 1995, 6:55 PM MST
In force
95 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Yavapai County, AZ

The nearest sounding before it

Winslow (Autob), AZ (KINW), launched 00:00Z, 0.3 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 00:00Z on 1995-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLEL10008507005003002001001 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 1995-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.193958Sfc1 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
-13 J/kg
Mixed-layer LCL
4222 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
40 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 120021
FFWPHX
AZC025-120210-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
520 PM MST TUE JUL 11 1995

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

IN NORTH-CENTRAL ARIZONA

  ...NORTHERN YAVAPAI COUNTY INCLUDING THE COMMUNITIES OF CHINO
VALLEY AND PAULDEN...

AT 515 PM MST...PHOENIX DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM NEAR CHINO VALLEY NORTH
TO ASH FORK. THESE THUNDERSTORMS CONTINUE TO MOVE SLOWLY TO THE
NORTH. THUNDERSTORMS HAVE CONTINUED TO REDEVELOP OVER THE SAME AREA
DURING THE PAST COUPLE HOURS. RADAR DERIVED RAINFALL ESTIMATES
INDICATE UP TO 2 INCHES OF RAIN HAD FALLEN JUST NORTH OF CHINO
VALLEY. RIVERS AND SMALL STREAMS IN THE AREA MAY EXPERIENCE
SIGNIFICANT RISES.

DO NOT TRY TO CROSS FLOODED HIGHWAYS. MOST FLASH FLOOD DEATHS OCCUR
IN AUTO&MOBILES. DO NOT CAMP OR PARK YOUR VEHICLE NEAR STREAMS OR
OTHER AREAS SUBJECT TO FLASH FLOODING.

WOJCIK

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 11, 3:25 PM MST, 1 hour 55 minutes before
AZZ004-007-008-122330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
325 PM MST TUE JUL 11 1995

...THUNDERSTORMS DEVELOPING ACROSS PORTIONS OF SOUTH CENTRAL DESERTS
AND CENTRAL BASINS OF ARIZONA...

AT 310 PM...PHOENIX DOPPLER RADAR INDICATED SCATTERED SHOWERS AND
THUNDERSTORMS IN CENTRAL AND NORTHERN YAVAPAI COUNTY EXTENDING FROM
NORTH OF CHINO VALLEY TO AROUND PRESCOTT. MOVEMENT OF THESE SHOWERS
AND THUNDERSTORMS WAS NORTH AT 10 TO 20 MILES PER HOUR. PERSONS IN
THE CHINO VALLEY AND PRESCOTT AREAS MAY EXPERIENCE BRIEF HEAVY
RAIN...STRONG GUSTY WINDS...AND POSSIBLY SMALL HAIL.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED OVER PORTIONS OF THE
SOUTH CENTRAL DESERTS IN SOUTHERN MARICOPA AND SOUTHEAST PINAL
COUNTIES. THE STRONGEST STORMS WERE LOCATED 15 MILES SOUTHEAST OF
GILA BEND AND WERE MOVING NORTHWEST AT ABOUT 20 MILES PER HOUR. THESE
STORMS SHOULD REACH THE GILA BEND AREA WITHIN THE HOUR. MOTORISTS ON
INTERSTATE 8 BETWEEN CASA GRANDE AND GILA BEND MAY EXPERIENCE STRONG
GUSTY WINDS AND BLOWING DUST WHICH COULD REDUCE VISIBILITIES AT
TIMES.

WOJCIK
Special weather statement, Jul 11, 4:30 PM MST, 50 minutes before
AZZ004-007-008-120130-

SPECIAL WEATHER STATEMENT...UPDATE
NATIONAL WEATHER SERVICE PHOENIX AZ
430 PM MST TUE JUL 11 1995

...SHOWERS AND THUNDERSTORMS CONTINUE OVER PORTIONS OF THE CENTRAL
BASINS AND SOUTH CENTRAL DESERTS OF ARIZONA...

AT 420 PM MST...PHOENIX DOPPLER RADAR CONTINUED TO SHOW AN AREA OF
SHOWERS AND THUNDERSTORMS OVER CENTRAL AND NORTHERN YAVAPAI COUNTY
FROM NORTH OF CHINO VALLEY TO SOUTH OF PRESCOTT. THESE STORMS
CONTINUE TO MOVE OVER THE SAME AREA...AND HAVE A HISTORY OF PRODUCING
LOCALLY HEAVY RAIN AND STRONG GUSTY WINDS. AT 355 PM MST...A SPOTTER
IN CHINO VALLEY REPORTED A WIND GUST OF 36 MPH AND .51 INCHES OF RAIN
SO FAR WITH ONE THESE STORMS. MOVEMENT OF THIS AREA OF SHOWERS AND
STORMS WAS NORTH AT 10 MPH.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED IN SOUTHWEST MARICOPA
AND SOUTHERN PINAL COUNTIES. THE STRONGEST STORM WAS LOCATED ABOUT 25
MILES SOUTHEAST OF CASA GRANDE AND JUST EAST OF PICACHO PEAK.
MOTORISTS ON INTERSTATE 10 BETWEEN PICACHO PEAK AND CASA GRANDE CAN
EXPECT STRONG GUSTY WINDS WITH BLOWING DUST WHICH MAY REDUCE
VISIBILITIES CAUSING HAZARDOUS DRIVING CONDITIONS. THIS THUDERSTORM
HAS THE CAPABILITY OF PRODUCING SMALL HAIL AND HEAVY RAINFALL.
MOVEMENT OF THIS STORM WAS NORTHWEST AT 10 TO 15 MPH.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO FOR LATER STATEMENTS
OR POSSIBLE WARNINGS.

WOJCIK
Special weather statement, Jul 11, 4:33 PM MST, 47 minutes before
AZZ004-007-008-120130-

SPECIAL WEATHER STATEMENT...UPDATE
NATIONAL WEATHER SERVICE PHOENIX AZ
430 PM MST TUE JUL 11 1995

...SHOWERS AND THUNDERSTORMS CONTINUE OVER PORTIONS OF THE CENTRAL
BASINS AND SOUTH CENTRAL DESERTS OF ARIZONA...

AT 420 PM MST...PHOENIX DOPPLER RADAR CONTINUED TO SHOW AN AREA OF
SHOWERS AND THUNDERSTORMS OVER CENTRAL AND NORTHERN YAVAPAI COUNTY
FROM NORTH OF CHINO VALLEY TO SOUTH OF PRESCOTT. THESE STORMS
CONTINUE TO MOVE OVER THE SAME AREA...AND HAVE A HISTORY OF PRODUCING
LOCALLY HEAVY RAIN AND STRONG GUSTY WINDS. AT 355 PM MST...A SPOTTER
IN CHINO VALLEY REPORTED A WIND GUST OF 36 MPH AND .51 INCHES OF RAIN
SO FAR WITH ONE THESE STORMS. MOVEMENT OF THIS AREA OF SHOWERS AND
STORMS WAS NORTH AT 10 MPH.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED IN SOUTHWEST MARICOPA
AND SOUTHERN PINAL COUNTIES. THE STRONGEST STORM WAS LOCATED ABOUT 25
MILES SOUTHEAST OF CASA GRANDE AND JUST EAST OF PICACHO PEAK.
MOTORISTS ON INTERSTATE 10 BETWEEN PICACHO PEAK AND CASA GRANDE CAN
EXPECT STRONG GUSTY WINDS WITH BLOWING DUST WHICH MAY REDUCE
VISIBILITIES CAUSING HAZARDOUS DRIVING CONDITIONS. THIS THUDERSTORM
HAS THE CAPABILITY OF PRODUCING SMALL HAIL AND HEAVY RAINFALL.
MOVEMENT OF THIS STORM WAS NORTHWEST AT 10 TO 15 MPH.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO FOR LATER STATEMENTS
OR POSSIBLE WARNINGS.

WOJCIK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 5:44 PM MSTSevere Thunderstorm WarningPSRPinal46 min
Jul 11, 6:02 PM MSTSevere Thunderstorm WarningPSRPinal43 min
Jul 11, 8:00 PM MSTSevere Thunderstorm WarningPSRMaricopa45 min
Jul 11, 8:45 PM MSTSevere Thunderstorm WarningPSRMaricopa40 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.