Flood advisory and weather outlook

The National Weather Service in Phoenix has issued the following flood advisory: 

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED AN

* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
  SOUTHEASTERN IMPERIAL COUNTY IN SOUTHEAST CALIFORNIA...
  EXTREME WEST CENTRAL YUMA COUNTY IN SOUTHWEST ARIZONA...
  THIS INCLUDES THE CITIES OF...YUMA...SOMERTON...GADSDEN...

* UNTIL 900 PM MST/800 PM PST/

* AT 653 PM MST/553 PM PST/ HEAVY RAIN IS OCCURRING OVER THE
  ADVISORY AREA. THIS WILL CAUSE MINOR STREET FLOODING IN URBAN
  LOCATIONS OF YUMA AND NORMALLY DRY WASHES TO BEGIN RUNNING...AS
  WELL AS PONDING OF WATER ON RURAL ROADWAYS AND LOW LYING AREAS.

* LOCATIONS THAT MAY EXPERIENCE MINOR FLOODING INCLUDE BUT ARE NOT
  LIMITED TO THE CITY OF YUMA.

* MODERATE TO HEAVY RAINFALL WILL IMPACT THE CITY OF YUMA THROUGH
  AROUND 8 PM MST WITH RAINFALL RATES OF A HALF AN INCH TO ONE INCH
  PER HOUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD ADVISORY MEANS THAT NORMALLY DRY WASHES AND STREAMS WILL SUDDENLY HAVE RUNNING WATER. UNBRIDGED CROSSINGS MAY BECOME HAZARDOUS. THERE WILL BE PONDING OF WATER ON STREETS AND LOW SPOTS CAUSING TRAFFIC TO BE IMPEDED. IF YOU ENCOUNTER PONDING OR FLOWING WATERS...DO NOT ATTEMPT TO CROSS BY FOOT OR AUTOMOBILE. TURN AROUND...DON'T DROWN.

RUNOFF FROM HEAVY RAINFALL WILL CAUSE NORMALLY DRY WASHES TO RUN AND CAUSE CONSIDERABLE PONDING OF WATER ON STREETS...UNDERPASSES...AND DETENTION BASINS AFFECTING SOME COMMUNITY PARKS. UNBRIDGED CROSSINGS MAY BECOME TOO DANGEROUS FOR DRIVING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. REMEMBER...TURN AROUND...DON'T DROWN.

The following is a short-term forecast from the NWS:

.NOW...

LIGHT TO MODERATE RAIN WITH EMBEDDED HEAVIER SHOWERS WILL CONTINUE EARLY THIS EVENING ACROSS MUCH OF SOUTHEAST CALIFORNIA INTO FAR SOUTHWEST ARIZONA. THE HEAVIEST RAIN IS EXPECTED FROM AROUND THE CITY OF YUMA NORTHWESTWARD INTO SOUTHERN RIVERSIDE COUNTY WITH RAINFALL RATES OF UP TO A HALF AN INCH PER HOUR. RAINFALL TOTALS THIS EVENING WILL GENERALLY BE AROUND A QUARTER OF AN INCH WITH LOCALIZED AREAS RECEIVING A HALF TO THREE QUARTERS OF AN INCH. PLEASE USE CAUTION WHILE TRAVELING ON ROADWAYS THIS EVENING AS PONDING OF WATER IN AREAS OF MODERATE TO HEAVY RAIN WILL BE LIKELY.

The following 'Hazardous Weather Outlook' was issued by the NWS earlier today: 

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST ARIZONA...EXTREME WEST-CENTRAL ARIZONA...SOUTHWEST ARIZONA...WEST- CENTRAL ARIZONA...EXTREME SOUTHEAST CALIFORNIA AND SOUTHEAST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

WINDS WILL INCREASE TODAY AHEAD OF A LOW PRESSURE SYSTEM MOVING THROUGH SOUTHERN CALIFORNIA. WIND GUSTS MAY REACH 35 MPH IN SPOTS THIS AFTERNOON AND EVENING...PARTICULARLY ACROSS SOUTHERN ARIZONA BETWEEN YUMA AND GILA BEND. WINDS THIS STRONG HAVE TO THE POTENTIAL TO PRODUCE LOCALIZED AREAS OF BLOWING DUST AND LOCALLY REDUCED VISIBILITIES.

THERE IS ALSO A SLIGHT CHANCE OF THUNDERSTORMS LATE THIS AFTERNOON AND EARLY THIS EVENING. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 45 MPH AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY: HAZARDOUS WEATHER IS NOT EXPECTED.