Alert archive / Arizona / Flash Flood Warnings in 1995

Flash Flood Warning 26, NWS Phoenix, AZ

August 13, 1995Pinal County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Aug 13, 1995, 4:22 PM MST for Pinal County, Arizona. It was in force for 113 min.

The area

The counties it named.

The facts

Issued
Aug 13, 1995, 4:22 PM MST (23:22 UTC)
Expired
Aug 13, 1995, 6:15 PM MST
In force
113 min
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 23:26 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, 11.4 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 1995-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 902 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 1995-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
902 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
1695 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
53 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 132321
FFWPHX
AZC021-140115-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
422 PM MST SUN AUG 13 1995
 
THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  615 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTH CENTRAL ARIZONA
 
   ...SOUTHEASTERN PINAL COUNTY
 
AT 415 PM MST...PHOENIX DOPPLER RADAR INDICATED A THUNDERSTORM OVER
SOUTHEASTERN PINAL COUNTY NEAR SAN MANUEL THAT WAS PRODUCING VERY
HEAVY RAINFALL. SEVERAL SLOW MOVING THUNDERSTORMS HAVE BEEN MOVING
ACROSS THIS AREA DURING THE PAST HOUR AND FLASH FLOODING IS LIKELY.
RADAR DERIVED RAINFALL ESTIMATES INDICATE THAT AS MUCH AS 2 TO 3
INCHES OF RAIN MAY HAVE FALLEN SOUTHEAST OF SAN MANUEL DURING THE
PAST HOUR.
 
IN ADDITION TO FLASH FLOODING...THE STORMS OVER SOUTHEASTERN PINAL
COUNTY WILL LIKELY PRODUCE STRONG GUSTY WINDS...BLOWING DUST...AND
FREQUENT LIGHTNING.  MOVE TO HIGHER GROUND IMMEDIATELY IF YOU ARE
NEAR ANY LOW LYING AREAS OR NORMALLY DRY CREEK BEDS.
 
MOTORISTS SHOULD USE EXTREME CAUTION WHEN TRAVELLING ALONG ROADWAYS
IN SOUTHEAST PINAL COUNTY.  DO NOT CROSS FLOODED SECTIONS OF
ROADWAY...THE WATER MAY BE DEEPER THAN IT APPEARS.  SLOW DOWN
AND KEEP A SHARP LOOKOUT AHEAD FOR FLOODING.
 
A FLASH FLOOD WATCH ALSO REMAINS IN EFFECT FOR THIS AREA THROUGH 10
PM MST.  STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV
STATIONS FOR FURTHER INFORMATION.
 
KOCH

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 13, 1:41 PM MST, 2 hours 41 minutes before
AZZ004-132200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
142 PM MST SUN AUG 13 1995

...SHOWERS AND THUNDERSTORMS LOCATED OVER YAVAPAI AND GILA
COUNTIES...

AT 135 PM MST...PHOENIX DOPPLER RADAR INDICATED SCATTERED SHOWERS
AND THUNDERSTORMS MOVING ACROSS YAVAPAI AND GILA COUNTIES.  THE
STRONGEST STORM ON RADAR AT THIS TIME WAS LOCATED ABOUT 15 MILES
SOUTHWEST OF PRESCOTT.  ALL OF THIS ACTIVITY WAS DRIFTING SLOWLY TO
THE EAST AND NORTHEAST AT LESS THAN 10 MPH.

BRIEF HEAVY RAINFALL...STRONG GUSTY WINDS...AND FREQUENT LIGHTNING
MAY ACCOMPANY THE STRONGER STORMS THIS AFTERNOON.  SCATTERED SHOWERS
AND THUNDERSTORMS ARE EXPECTED TO PERSIST ACROSS THE AREA DURING THE
REMAINDER OF THE AFTERNOON AND INTO THE EVENING.  STAY TUNED TO NOAA
WEATHER RADIO...OR LOCAL RADIO AND TV STATIONS FOR THE LATEST WEATHER
INFORMATION.

KOCH
Special weather statement, Aug 13, 1:42 PM MST, 2 hours 40 minutes before
AZZ004-132200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
142 PM MST SUN AUG 13 1995

...SHOWERS AND THUNDERSTORMS LOCATED OVER YAVAPAI AND GILA
COUNTIES...

AT 135 PM MST...PHOENIX DOPPLER RADAR INDICATED SCATTERED SHOWERS
AND THUNDERSTORMS MOVING ACROSS YAVAPAI AND GILA COUNTIES.  THE
STRONGEST STORM ON RADAR AT THIS TIME WAS LOCATED ABOUT 15 MILES
SOUTHWEST OF PRESCOTT.  ALL OF THIS ACTIVITY WAS DRIFTING SLOWLY TO
THE EAST AND NORTHEAST AT LESS THAN 10 MPH.

BRIEF HEAVY RAINFALL...STRONG GUSTY WINDS...AND FREQUENT LIGHTNING
MAY ACCOMPANY THE STRONGER STORMS THIS AFTERNOON.  SCATTERED SHOWERS
AND THUNDERSTORMS ARE EXPECTED TO PERSIST ACROSS THE AREA DURING THE
REMAINDER OF THE AFTERNOON AND INTO THE EVENING.  STAY TUNED TO NOAA
WEATHER RADIO...OR LOCAL RADIO AND TV STATIONS FOR THE LATEST WEATHER
INFORMATION.

KOCH
Special weather statement, Aug 13, 3:04 PM MST, 1 hour 18 minutes before
AZZ004-008-132330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
305 PM MST SUN AUG 13 1995

...SCATTERED SHOWERS AND THUNDERSTORMS IN IN CENTRAL AND SOUTHEASTERN
ARIZONA...

AT 300 PM MST PHOENIX DOPPLER RADAR DETECTED SCATTERED SHOWERS AND
THUNDERSTORMS IN YAVAPAI COUNTY...WESTERN MARICOPA COUNTY...GILA
COUNTY AND EXTREME SOUTHEASTERN PINAL COUNTY.  THESE STORMS ARE
GENERALLY MOVING TO THE EAST AT LESS THAN 10 MPH. ONE OF THE STRONGER
STORMS WAS LOCATED IN PINAL COUNTY BETWEEN SAN MANUEL AND WINKLEMAN.
THIS STORM WAS MOVING VERY SLOWLY TO THE NORTH AND WILL LIKELY CAUSE
PONDING OF WATER IN THE ROADWAY ALONG HIGHWAY 77.

SOME OTHER STORMS WERE DEVELOPING IN NORTHWEST MARICOPA COUNTY ALONG
U.S. HIGHWAY 60 ABOUT 25 MILES NORTHWEST OF PHOENIX.

THESE STORMS CAN PRODUCE BRIEF HEAVY RAIN...STRONG WINDS AND FREQUENT
LIGHTNING. MOTORISTS ARE URGED TO USE CAUTION WHEN DRIVING IN THE
VICINITY OF THESE STORMS. BE PREPARED FrOR REDUCED VISIBILITIES DUE TO
RAIN OR BLOWING DUST AS WELL AS SLICK ROADWAYS.

HOLDER
Special weather statement, Aug 13, 3:05 PM MST, 1 hour 17 minutes before
AZZ004-008-132330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
305 PM MST SUN AUG 13 1995

...SCATTERED SHOWERS AND THUNDERSTORMS IN IN CENTRAL AND SOUTHEASTERN
ARIZONA...

AT 300 PM MST PHOENIX DOPPLER RADAR DETECTED SCATTERED SHOWERS AND
THUNDERSTORMS IN YAVAPAI COUNTY...WESTERN MARICOPA COUNTY...GILA
COUNTY AND EXTREME SOUTHEASTERN PINAL COUNTY.  THESE STORMS ARE
GENERALLY MOVING TO THE EAST AT LESS THAN 10 MPH. ONE OF THE STRONGER
STORMS WAS LOCATED IN PINAL COUNTY BETWEEN SAN MANUEL AND WINKLEMAN.
THIS STORM WAS MOVING VERY SLOWLY TO THE NORTH AND WILL LIKELY CAUSE
PONDING OF WATER IN THE ROADWAY ALONG HIGHWAY 77.

SOME OTHER STORMS WERE DEVELOPING IN NORTHWEST MARICOPA COUNTY ALONG
U.S. HIGHWAY 60 ABOUT 25 MILES NORTHWEST OF PHOENIX.

THESE STORMS CAN PRODUCE BRIEF HEAVY RAIN...STRONG WINDS AND FREQUENT
LIGHTNING. MOTORISTS ARE URGED TO USE CAUTION WHEN DRIVING IN THE
VICINITY OF THESE STORMS. BE PREPARED FOR REDUCED VISIBILITIES DUE TO
RAIN OR BLOWING DUST AS WELL AS SLICK ROADWAYS.

HOLDER
Special weather statement, Aug 13, 4:03 PM MST, 19 minutes before
AZZ007-140015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
405 PM MST SUN AUG 13 1995

...STRONG THUNDERSTORMS OVER EXTREME SOUTHEAST LA PAZ COUNTY...

AT 400 PM MST...PHOENIX DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM OVER THE EXTREME SOUTHEAST CORNER OF LA PAZ COUNTY.
THIS STORM WAS LOCATED NEAR THE EAGLETAIL MOUNTAINS WILDERNESS
AREA...SOUTH OF INTERSTATE 10.  OTHER THUNDERSTORMS WERE LOCATED
OVER SOUTHERN LA PAZ COUNTY AND NORTHERN YUMA COUNTY.  MOVEMENT WAS
TO THE EAST AT 10 MPH.

BRIEF HEAVY RAINFALL...STRONG GUSTY WINDS...FREQUENT DANGEROUS
LIGHTNING...AND BLOWING DUST ARE POSSIBLE WITH THE STRONGER STORMS
ACROSS THESE AREAS.

STAY TUNED TO NOAA WEATHER RADIO...OR LOCAL RADIO AND TV STATIONS
FOR FURTHER INFORMATION.

KOCH
Special weather statement, Aug 13, 4:05 PM MST, 17 minutes before
AZZ007-140015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
405 PM MST SUN AUG 13 1995

...STRONG THUNDERSTORMS OVER EXTREME SOUTHEAST LA PAZ COUNTY...

AT 400 PM MST...PHOENIX DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM OVER THE EXTREME SOUTHEAST CORNER OF LA PAZ COUNTY.
THIS STORM WAS LOCATED NEAR THE EAGLETAIL MOUNTAINS WILDERNESS
AREA...SOUTH OF INTERSTATE 10.  OTHER THUNDERSTORMS WERE LOCATED
OVER SOUTHERN LA PAZ COUNTY AND NORTHERN YUMA COUNTY.  MOVEMENT WAS
TO THE EAST AT 10 MPH.

BRIEF HEAVY RAINFALL...STRONG GUSTY WINDS...FREQUENT DANGEROUS
LIGHTNING...AND BLOWING DUST ARE POSSIBLE WITH THE STRONGER STORMS
ACROSS THESE AREAS.

STAY TUNED TO NOAA WEATHER RADIO...OR LOCAL RADIO AND TV STATIONS
FOR FURTHER INFORMATION.

KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 5:34 PM MSTFlash Flood WarningPSRMohave56 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.