Scattered showers over eastern Maricopa County and northern Pinal County...including the Phoenix area...will continue to decrease through 5 PM. Isolated light showers will be possible over the deserts of south-central Arizona and La Paz County through 6 PM. Strong winds will also continue to decrease though occasional gusts of in excess of 30 mph will still be possible through 6 PM causing areas of reduced visibilities. Motorists are advised to use caution...especially near areas of open farm fields.
Forecast for Greater Phoenix Area
Updated: 3:11 PM MST on December 22, 2009
Wind Advisory in effect until midnight MST tonight...
Tonight
Considerable cloudiness in the evening...becoming partly cloudy. Windy and colder. Areas of blowing dust in the evening. Slight chance of thunderstorms in the evening. Chance of showers. Lows 36 to 44. Southwest wind 20 to 30 mph in the evening...becoming west 10 to 15 mph after midnight. Gusts to 40 mph in the evening. Chance of measurable rain 40 percent.
Wednesday
Partly sunny in the morning...becoming mostly sunny. Slight chance of showers in the morning. Cooler. Highs 49 to 54. Northwest wind 5 to 15 mph. Chance of measurable rain 10 percent.
... Dust Storm Warning in effect until 5 PM MST /4 PM PST/ this afternoon...
... Wind Advisory remains in effect until midnight MST /11 PM PST/ tonight...
A Wind Advisory remains in effect until midnight MST /11 PM PST/ tonight.
The dust Storm Warning... is mainly for the Colorado River area... Yuma County especially Interstate 8... southwest Maricopa County including areas near Interstate 8 and Gila Bend... and northern Pinal County along Interstate 10 between Chandler and Casa Grande. Blowing dust at times could limit visibilities to less than 1/4 mile at times.
* A very strong cold front will move through the region this afternoon and evening.
* Timing: winds will steadily increase through the day today. The strongest winds are expected between 11 am PST and 11 PM PST.
* Winds: west winds of 25 to 45 mph are expected today and early tonight.
* Impacts: strong winds will not only lead to dangerous driving and boating conditions... but also reduced visibilities in dense blowing dust and sand.
Precautionary/preparedness actions...
A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected... or wind gusts of between 40 and 50 mph. Winds this strong can make driving difficult... especially for high profile vehicles. In addition... strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution.
National Weather Service Phoenix is on the internet at
Local Storm Report
12/22/2009 0145 PM
1 miles NW of Mesa, Maricopa County.
Dust storm, reported by trained spotter.
Redcued vsby below 1/4 mile in bldu
12/22/2009 0130 PM
5 miles SW of Guadalupe, Maricopa County.
Hail e0.25 inch, reported by trained spotter.
Multiple reports of pea-sized hail in Ahwatukee and south Tempe.
Public Information Statement
Statement as of 4:00 PM MST on December 22, 2009
... 24 hour precipitation in the Phoenix Metro area ending at 4 PM...
Note... if it rained at a location... the amount will be shown only if it is at least 0.04... 4 hundredths of an inch. Any rain amount less than 0.04 is not registered and is shown as 0.00
6 hr precipitation (inches) oldest >>>>>>>>>>> newest ID station name 4 PM 10 PM 4 am 10 am 24 hr -10 PM -4 am -10 am -4 PM total
Mesa meea3 Kleinman Park 0.00 0.00 0.00 0.04 0.04 fala3 Thunder Mountain 0.00 0.00 0.00 0.31 0.31 mlaa3 Mountain View Park 0.00 M M M M wmsa3 Queen Creek Rd 0.00 0.00 0.00 0.24 0.24 zupa3 usery park ws 0.00 0.00 0.00 0.00 0.00
New River newa3 sunup ranch 0.00 0.00 0.00 0.00 0.00
Paradise Valley mcla3 Cave Creek landfill 0.00 0.00 0.00 0.00 0.00 mcca3 E Fork cc #1 M M M M M mlda3 lost dog wash 0.00 0.00 0.00 0.16 0.16 mrpa3 Reata Pass Damsite 0.00 0.00 0.00 0.16 0.16
Peoria nrda3 New River dam 0.00 0.00 M M M mbla3 New River @ Bell Rd 0.00 0.00 0.00 0.00 0.00
Phoenix mbta3 cesar chavez park 0.00 0.00 0.00 0.24 0.24 mmia3 Missouri @ 16th St 0.00 0.00 0.00 0.00 0.00 moxa3 old xcut @ McDowell 0.00 0.00 0.00 0.31 0.31 mpaa3 Papago Park 0.00 0.00 0.00 0.20 0.20 mppa3 Perry Park 0.00 0.00 0.00 0.31 0.31 adba3 adobe dam M M M M M mpha3 skunk creek @ I-17 0.00 0.00 0.00 0.00 0.00 mpma3 Jefferson @ 4th Ave 0.00 0.00 0.00 0.20 0.20 mroa3 roeser @ 2nd St 0.00 0.00 0.00 0.31 0.31 soma3 South Mountain 0.00 0.00 0.00 0.08 0.08 zsfa3 South Mountain fan M M M M M mtha3 Thomas & 16th St 0.00 0.00 0.00 0.12 0.12 mtqa3 Thomas @ 48th St 0.00 0.00 0.00 0.31 0.31
Queen Creek zqra3 Queen CR @ rittenho M M M M M zqca3 Queen Creek landfil 0.00 0.00 0.00 0.12 0.12 qnca3 emf @ Queen Creek r 0.00 0.00 0.00 0.12 0.12
Scottsdale sdla3 Indian Bend wash @ M M M M M zmda3 McDowell Mountain p M M M M M mpja3 Pima @ jomax M M M M M
Sun City mswa3 Sun City West 0.00 0.00 0.00 0.00 0.00
Surprise mdya3 Dysart @ Bell Rd 0.00 0.00 0.00 0.00 0.00 mcfa3 McMicken dam 0.00 0.00 0.00 0.00 0.00
Tempe mspa3 Salt River @ priest 0.00 0.00 0.00 0.08 0.08 mtea3 asu south M M M M M