Flash Flood Warning 71, NWS Phoenix, AZ

Issued

Sep 7, 2012, 9:53 AM MST (16:53 UTC)

Expired

Sep 7, 2012, 11:45 AM MST

In force

112 min

Issued by

NWS Phoenix, AZ

Area

Storm-based polygon

Flood severity

None

Counties Maricopa County, AZ, Pinal County, AZ

The Phoenix radar (KIWA), 13 km from the middle of the area, began a volume at 16:53 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

593 
WGUS55 KPSR 071653
FFWPSR
AZC013-021-071845-
/O.NEW.KPSR.FF.W.0071.120907T1653Z-120907T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
953 AM MST FRI SEP 7 2012

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL MARICOPA COUNTY IN SOUTH CENTRAL ARIZONA...
  THIS INCLUDES EAST MESA...TEMPE...SUN LAKES...MESA...GILBERT...
  CHANDLER...
  NORTH CENTRAL PINAL COUNTY IN SOUTH CENTRAL ARIZONA...
  THIS INCLUDES APACHE JUNCTION...

* UNTIL 1145 AM MST

* AT 948 AM MST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  VERY HEAVY RAIN THAT WILL CAUSE FLASH FLOODING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FALCON   
FIELD AIRPORT...EAST MESA...TEMPE...GILBERT...CHANDLER...SAN TAN 
VALLEY...QUEEN CREEK...HIGLEY...AND SUN LAKES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN MOTORIZED VEHICLES. WHEN ENCOUNTERING
FLOODED ROADS...MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF NORMALLY
DRY WASHES AND CREEKS...STREETS AND UNDERPASSES...AND DETENTION
BASINS AFFECTING SOME COMMUNITY PARKS. UNBRIDGED CROSSINGS WILL BE
ESPECIALLY DANGEROUS.

&&

LAT...LON 3350 11194 3352 11172 3349 11167 3347 11164
      3346 11153 3320 11152 3320 11163 3320 11194

$$

MEYERS

034 
WGUS75 KPSR 071748
FFSPSR

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
1048 AM MST FRI SEP 7 2012

AZC013-021-071845-
/O.CON.KPSR.FF.W.0071.000000T0000Z-120907T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PINAL AZ-MARICOPA AZ-
1048 AM MST FRI SEP 7 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM MST FOR
CENTRAL MARICOPA AND NORTH CENTRAL PINAL COUNTIES...

AT 1034 AM...LIGHT TO MODERATE RAIN SHOWERS PERSISTED OVER THE 
WARNED AREA. SINCE 845 AM...RADAR INDICATED THAT 1 TO NEARLY 3 
INCHES OF RAIN FELL ACROSS PORTIONS OF GILBERT AND EAST MESA. 2.8 
INCHES OF RAIN WAS RECORDED BY AN ALERT RAIN GAUGE NEAR THE 
INTERSECTION OF HIGLEY AND BROADWAY IN MESA...AND 1.79 INCHES OF 
RAIN WAS RECORDED NEAR THE INTERSECTION OF THE 202 FREEWAY AND BROWN 
ROAD IN MESA. 

FLOODED ROADWAYS AND WATER RESCUES HAVE BEEN REPORTED. AT 1015 
AM...POWER ROAD WAS REPORTED TO BE FLOODED SOUTH OF BROWN ROAD...AND 
WATER RESCUES FROM FOUR AUTOMOBILES WAS REPORTED NEAR 64TH STREET 
AND DECATUR IN EAST MESA. SIGNIFICANT FLOODING WAS ALSO REPORTED AT 
THE SUN VALLEY TRAILER PARK IN APACHE JUNCTION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT NORMALLY DRY WASHES AND STREAMS 
WILL SUDDENLY HAVE RUNNING WATER AND MAKE UNBRIDGED CROSSINGS 
IMPASSABLE. STREETS...UNDERPASSES...AND LOW SPOTS WILL BECOME 
INUNDATED MAKING DRIVING HAZARDOUS IN THE WARNED AREA.

TO REPORT FLOODING...PLEASE RELAY YOUR REPORT TO LOCAL LAW
ENFORCEMENT WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3350 11194 3352 11172 3349 11167 3347 11164
      3346 11153 3320 11152 3320 11163 3320 11194

$$

DG

Flash Flood Warnings in Arizona, 2012Every flash flood warning in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.