Flash flooding reported in the Wickenburg area.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS PSR wrote it up.
Flash flooding reported in the Wickenburg area.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Phoenix, AZ wrote its last area forecast discussion before the first event at Aug 1, 3:40 PM MST, 43 minutes earlier.
AZZ020>028-CAZ030>033-020600- AREA FORECAST DISCUSSION...CORRECTED SYNOPSIS NATIONAL WEATHER SERVICE PHOENIX AZ 340 PM MST WED AUG 1 2007 SOUTH-CENTRAL AND SOUTHWEST ARIZONA...AND SOUTHEAST CALIFORNIA FORECAST DISCUSSION .SYNOPSIS... MOIST AND UNSTABLE AIR WILL CONTINUE ACROSS THE SOUTHWEST UNITED STATES INTO EARLY NEXT WEEK. THIS...COMBINED WITH A SERIES OF WEAK WEATHER DISTURBANCES WILL HELP TO GIVE A DAILY CHANCE OF SHOWERS AND THUNDERSTORMS...MOST OF WHICH WILL OCCUR OVER ARIZONA DURING THE AFTERNOON AND EVENING HOURS. THE THREAT FOR LOCALIZED HEAVY RAIN WILL CONTINUE WITH THE STRONGER STORMS. TEMPERATURES WILL RISE INTO THE WEEKEND TO NEAR SEASONAL NORMALS. && .SHORT TERM... TONIGHT THROUGH SATURDAY... MOST ACTIVE STORMS THIS AFTERNOON HAVE BEEN FOCUSED OVER WEST- CENTRAL AND SOUTHWEST ARIZONA...WITH RADAR RAINFALL ESTIMATES OF NEARLY TWO INCHES IN SOME SPOTS. ONE OBSERVER AT ALAMO LAKE STATE PARK MEASURED JUST UNDER TWO INCHES /1.90/ IN JUST ONE HOUR. HAVE PRETTY MUCH BEEN ABLE TO COVER THESE EVENTS UNDER SMALL STREAM FLOOD ADVISORIES. MEANWHILE...AFTERNOON VISIBLE SATELLITE IMAGERY IS SHOWING THAT ERN PORTION OF CWA...INCLUDING NORMALLY ACTIVE ZONE 24...HAVE BEEN RELATIVELY QUIET CONVECTIVE-WISE. STILL...FORECAST SOUNDINGS...AS WELL AS 20Z KPSR/K1Y7 SPECIAL SOUNDINGS...INDICATE THAT AMS REMAINS PRIMED TO RELEASE MORE CONVECTIVE ENERGY INTO THE EVENING HOURS...AND THERE ARE ALSO SOME KINEMATICS AVAILABLE TO TRIGGER MORE ACTION. SO...WILL KEEP SCATTERED POPS GOING INTO THE EVENING HOURS E OF THE CO RIVER...AND SLIGHT CHANCE W. AFTER TONIGHT...DIFFICULT TO ASCERTAIN MUCH IN THE WAY OF ANY TRENDS DURING THE SHORT TERM...ASIDE FOR SOME OBVIOUS DRYING BEING FORECAST FOR THE FAR WRN CWA BY THE WEEKEND. SO...WILL HAVE REDUCED POPS OUT THERE BY THEN. MOS TEMP FORECASTS STILL INSISTING ON WARMING AT ALL SITES NEXT COUPLE OF DAYS...WITH NEAR NORMAL TEMPS BY SATURDAY. THIS TREND ACCEPTED. && .LONG TERM... SATURDAY NIGHT THROUGH WEDNESDAY... LATEST GFS OPERATIONAL SHOWING A STRONG INVERTED TROUGH MOVING THRU NW MEX SATURDAY NIGHT...THEN PROGGED TO GET PICKED UP AS AN OPEN WAVE BY SUNDAY AS STRONG TROUGH DEVELOPS OVER THE PAC NW COAST. THIS COULD MAKE FOR A PRETTY DRAMATIC INCREASE IN DYNAMICS/UPPER DIFFLUENCE OVER THE AREA BY SUNDAY NIGHT INTO MONDAY. FOR NOW...WILL HOLD OFF TOTALLY BITING ON THIS TREND...BUT IT WILL NEED TO BE WATCHED CLOSELY FOR A POSSIBLE NEED TO INCREASE POPS. FOR NOW...WILL KEEP A LOW-MEDIUM GRADE MONSOON GOING FOR THE AREA WITH MOST POPS E OF THE CO RIVER. THEN...IF GFS PANS OUT...WE COULD BE HEADING INTO SOMEWHAT OF A BREAK IN THE MONSOON BY TUESDAY/WEDNESDAY AS W COAST TROUGH PUSHES EWD AND FLOW ALOFT BECOMES DEEP W/SWLY. AGAIN...WILL LET LATER SHIFTS HOOK ONTO THIS TREND AS EVENT GETS CLOSER. && .AVIATION... AUGUST 1 2230 UTC (1530 MST) AFTER A BRIEF TEASE EARLIER THIS AFTERNOON FOR VALLEY AIRFIELDS WITH ISOLATED STRONG THUNDERSTORMS DEVELOPING OVER AND NEAR THE ESTRELLA MTNS...CONVECTIVE ACTIVITY HAS SINCE DIMINISHED OVER THE PHOENIX METRO. THAT SAID...EXTENSIVE THUNDERSTORMS HAVE DEVELOPED OVER NORTHWEST ARIZONA/ SOUTHERN UTAH MOVING SLOWLY NORTHWARD. HOWEVER...WITH COPIOUS AMOUNTS OF MOISTURE ACROSS THE DESERT FLOOR...THUNDERSTORMS HAVE DEVELOPED ALONG THE SOUTHERN FLANKS OF ACTIVITY TO THE NORTH...NOW REACHING INTO PORTIONS OF LA PAZ/NORTHERN MARICOPA COUNTIES. AREAS TO THE EAST AND SOUTHEAST OF KPHX/KIWA HAVE BEEN RELATIVELY QUIET TODAY WITH NO MAJOR CHANGE EXPECTED THE NEXT SEVERAL HOURS. SO...WILL COVER THE CONVECTIVE POTENTIAL AT ALL TAF SITES...EXCEPT KIPL...WITH CB/S AND AMEND AS NECESSARY. STAY TUNED... SEE TAFS PHXTAFPHX...PHXTAFIWA...PHXTAFYUM...LAXTAFBLH AND LAXTAFIPL FOR MORE DETAILED INFORMATION. AVIATION DISCUSSION IS NOT UPDATED FOR AMENDED TAFS. && .FIRE WEATHER... AUG 1 1240 UTC (AUG 1 0540 MST) ELEVATED PRECIPITATION CHANCES WILL CONTINUE THROUGH THE WEEKEND...WITH THE GREATEST PROBABILITIES ELEVATED SITES IN ARIZONA...AND THE LOWEST PROBABILITIES ACROSS THE DESERTS OF SOUTHEAST CALIFORNIA. A BROAD UPPER LEVEL TROUGH WILL APPROACH THE REGION FROM THE NORTHWEST BY EARLY NEXT WEEK. THIS WILL START A DRYING TREND...WHICH WILL RESULT IN THE REDUCTION OF PRECIPITATION CHANCES AS WELL AS A LOWERING OF RH VALUES. WINDS WILL LIKELY INCREASE AHEAD OF THE SYSTEM...RESULTING IN GUSTY AFTERNOON AND EVENING WINDS. && .PSR WATCHES/WARNINGS/ADVISORIES... AZ...NONE. CA...NONE. && NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX SHORT TERM...ESTLE LONG TERM...ESTLE AVIATION...ROGERS FIRE WX...INIGUEZ
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 545 AM MST WED AUG 1 2007 AZZ024-021330- SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- 545 AM MST WED AUG 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST-CENTRAL ARIZONA. .DAY ONE...TODAY AND TONIGHT THE CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS CONTINUES TODAY AND TONIGHT. THE PRIMARY CONCERN WITH THESE STORMS WILL BE THE POTENTIAL FOR LOCALLY HEAVY RAINFALL AND ASSOCIATED FLOODING. LOCALIZED DAMAGING WINDS ARE ALSO A POSSIBILITY WITH THE STRONGEST STORMS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE CHANCE OF THUNDERSTORMS WILL CONTINUE THROUGH TUESDAY ALONG WITH THE POTENTIAL FOR LOCALIZED FLOODING AND DAMAGING WINDS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ020>023-026>028-CAZ031-021330- LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS- NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-SOUTHWEST DESERTS- SOUTHWEST MARICOPA COUNTY- NORTHWEST AND NORTH CENTRAL PINAL COUNTY- LOWER COLORADO RIVER VALLEY CA- 545 AM MST WED AUG 1 2007 /545 AM PDT WED AUG 1 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME WEST- CENTRAL ARIZONA...SOUTH-CENTRAL ARIZONA...SOUTHWEST ARIZONA... WEST-CENTRAL ARIZONA AND EXTREME SOUTHEAST CALIFORNIA. .DAY ONE...TODAY AND TONIGHT A CHANCE OF SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON THROUGH EARLY TONIGHT. SOME STORMS WILL CONTAIN VERY HEAVY RAIN. LOCALIZED FLOODING IS POSSIBLE. STRONG DAMAGING THUNDERSTORM WINDS ARE ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A SLIGHT CHANCE OF STORMS WILL CONTINUE THROUGH TUESDAY...ALONG WITH THE POTENTIAL FOR LOCALIZED FLOODING AND DAMAGING WINDS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ025-CAZ030-032-033-021330- YUMA/MARTINEZ LAKE AND VICINITY-JOSHUA TREE NATIONAL PARK- RIVERSIDE COUNTY/EASTERN DESERTS-IMPERIAL COUNTY- 545 AM MST WED AUG 1 2007/545 AM PDT WED AUG 1 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHWEST ARIZONA...EXTREME SOUTHEAST CALIFORNIA AND SOUTHEAST CALIFORNIA. .DAY ONE...TODAY AND TONIGHT A SLIGHT CHANCE OF THUNDERSTORMS TODAY AND TONIGHT. SOME STORMS WILL CONTAIN VERY HEAVY RAIN. LOCALIZED FLOODING IS POSSIBLE. STRONG DAMAGING THUNDERSTORM WINDS ARE ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A SLIGHT CHANCE OF STORMS WILL CONTINUE THROUGH TUESDAY...ALONG WITH THE POTENTIAL FOR LOCALIZED FLOODING AND DAMAGING WINDS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The Phoenix radar (KIWA), 125 km away, was scanning. The volume nearest the first event began at 23:23 UTC.
1 flash flood. Local standard time, as filed.
Rapid rises in creeks and washes in Wickenburg. Vulture Mine road reported closed between Route 60 and 93, other roads in the area flooded.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2007Every state in 2007This day in weather historyWarnings in Arizona, August 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 54290.