Hail, Pinal
- When
- August 10, 4:40 PM MST to 4:45 PM MST
- Where
- Pinal County, 5 mi NE of Apache Jct
- Measured
- 0.75 in hail
- Reported by
- PARK/FOREST SERVICE
- Coordinates
- 33.467, -111.483
Hail and Damaging Wind in Arizona, August 10, 2006
1 hail, 1 thunderstorm wind, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $40,000
- Crop damage
- None recorded
- Events
- 2
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.
What forecasters said that day
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 10, 3:07 PM MST, 1 hour 33 minutes earlier.
Area forecast discussion, Aug 10, 3:07 PM MST, 1 hour 33 minutes before
AZZ020>028-CAZ030>033-100600- AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 307 PM MST THU AUG 10 2006 SOUTHWEST AND SOUTH-CENTRAL ARIZONA...AND SOUTHEAST CALIFORNIA FORECAST DISCUSSION .SYNOPSIS... AN UNSTABLE AIR MASS THROUGH SATURDAY...WILL CONTINUE TO RESULT IN A CHANCE FOR MAINLY AFTERNOON AND NIGHTTIME SHOWERS AND THUNDER STORMS. THE BEST CHANCE FOR THUNDERSTORMS WILL OCCUR OVER SOUTHWEST AND SOUTH CENTRAL ARIZONA. BY SUNDAY...A LARGE PACIFIC LOW PRESSURE SYSTEM WILL DEVELOP ALONG THE WEST COAST. INCREASING SOUTHWEST FLOW WILL BRING DRY AIR INTO THE REGION SUNDAY AND NEXT WEEK...LIMITING THE CHANCE FOR SHOWERS TO THE HIGHER TERRAIN OF SOUTH CENTRAL ARIZONA NEXT WEEK. && .SHORT TERM... TONIGHT THROUGH SUNDAY... THE ATMOSPHERE IS AGAIN PRIMED THIS EVENING FOR WIDESPREAD CONVECTION OVER PARTS OF AZ...DUE TO AN ENORMOUS AMOUNT OF MOISTURE STREWN OVER SOUTHERN AZ AND SOUTHEAST CA... AND UPPER LEVEL DEFORMATION. MOISTURE... MORNING PLOT CHARTS AND SOUNDINGS SHOWED THE MOISTURE OVER THE SOUTHERN HALF OF AZ...INCLUDING PARTS OF SOUTHEAST CA IS BORDERLINE EXTREME. FOR EXAMPLE PRECIP WATER ON THE YUMA SOUNDING WAS 1.93 INCHES...PHOENIX 1.93 INCHES...AND TUCSON 1.76 INCHES. THESE VALUES ARE BETWEEN 140 TO 180 PERCENT OF NORMAL. AND...SINCE BOTH 850 AND 700 MB MOISTURE VALUES WERE BORDERLINE EXTREME...AND COINCIDENT... THE MAIN HAZARD TODAY IS HEAVY RAIN. WE WILL KEEP THIS IN MIND... AND CONTINUE TO MONITOR THE AREAL CHARACTER OF THE STORMS AND THEIR TRENDS...THEN ISSUE FLASH FLOOD WATCHES AS NEEDED. DYNAMICS... UPPER LEVEL DEFORMATION WAS WAS STILL OBVIOUS OVER CENTRAL AND SOUTHEAST AZ IN SATELLITE IMAGERY. WEAKNESS ALOFT...COMBINED WITH VERY HIGH ATMOSPHERIC MOISTURE INCREASES THE RISK OF CONVECTION THIS EVENING. NEW MODEL GUIDANCE SHOWED 300/250 MB HIGH PRESSURE CENTERS LOCATED IN SOUTHWEST TEXAS THIS MORNING...WILL MOVE WEST TOWARD SOUTHWEST NEW MEXICO BY EVENING...PUTTING MUCH OF SOUTHEAST AND PARTS OF SOUTH CENTRAL AZ UNDER WEAK UPPER DIFFLUENCE. THIS INFERS CONVECTION IN SOUTHEAST AND PARTS OF SOUTH CENTRAL AZ COULD LAST WELL INTO THE NIGHT. FRIDAY AND SATURDAY AFTERNOONS WILL BE A MUCH TOUGHER CALL. A LARGE PACIFIC TROF WILL MOVE INTO THE WESTERN STATES NORTH OF AZ...AND WILL DEVELOP A FAIRLY STRONG (FOR THIS TIME OF YEAR) JET MAX ACROSS THE INTER-MOUNTAIN REGION (FRIDAY) AND ROCKIES (SATURDAY). ENTRANCE REGION JET DYNAMICS (ALBEIT WEAK) IS POSSIBLE ACROSS CENTRAL AND NORTHERN AZ FRIDAY AND SATURDAY. && .LONG TERM... SUNDAY NIGHT THROUGH THURSDAY... MODELS CONTINUE THE TREND OF DEVELOPING A LARGE PACIFIC TROF ALONG THE WEST COAST. INCREASING SOUTHWESTERLY FLOW IS FORECAST DRY OUT SOUTHEAST CA AND SOUTHWEST AZ THIS PERIOD. MOISTURE IS FORECAST TO THIN OVER SOUTH CENTRAL AZ THIS PERIOD...BUT WITH INCREASING AFTERNOON TEMPERATURES COULD LEAD TO A LOW GRADE MONSOON... I.E. SLIGHT CHANCES OF AFTERNOON AND EARLY EVENING THUNDERSTORMS OVER PARTS OF SOUTH CENTRAL AZ. && .AVIATION... 00Z TAFS ADEQUATELY DEPICT EXPECTED WEATHER. SEE TAFS PHXTAFPHX...PHXTAFIWA...PHXTAFYUM...LAXTAFBLH AND LAXTAFIPL FOR MORE DETAILED INFORMATION. AVIATION DISCUSSION NOT UPDATED FOR AMENDED TAFS. && .PSR WATCHES/WARNINGS/ADVISORIES... AZ...NONE. CA...NONE. && NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX VASQUEZ
Hazardous weather outlook, Aug 10, 6:02 AM MST, 10 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 602 AM MST THU AUG 10 2006 AZZ021>023-026>028-111315- WEST CENTRAL DESERTS-NORTHWEST MARICOPA COUNTY- GREATER PHOENIX AREA-SOUTHWEST DESERTS-SOUTHWEST MARICOPA COUNTY- NORTHWEST AND NORTH CENTRAL PINAL COUNTY- 602 AM MST THU AUG 10 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH-CENTRAL ARIZONA...SOUTHWEST ARIZONA AND WEST-CENTRAL ARIZONA. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE AREA TODAY INCREASING TO A CHANCE OF THUNDERSTORMS THIS EVENING. STRONGER STORMS COULD PRODUCE BRIEF HEAVY RAIN...LOCALLY GUSTY WINDS TO 45 MPH...AND BLOWING DUST THAT COULD REDUCE VISIBILITIES BRIEFLY BELOW ONE MILE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE WILL BE A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE AREA THROUGH TUESDAY NIGHT...MAINLY DURING THE AFTERNOON AND EVENING HOURS. THE STRONGER STORMS COULD PRODUCE BRIEF HEAVY RAIN...LOCALLY GUSTY WINDS TO 45 MPH...AND BLOWING DUST THAT COULD REDUCE VISIBILITIES BRIEFLY BELOW ONE MILE. NO THUNDERSTORMS ARE EXPECTED WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ024-111315- SOUTHERN GILA/TONTO NF FOOTHILLS- 602 AM MST THU AUG 10 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST-CENTRAL ARIZONA. .DAY ONE...TODAY AND TONIGHT THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE AREA... MAINLY THIS AFTERNOON AND EVENING. THE STRONGER STORMS COULD PRODUCE VERY HEAVY RAIN AND LOCALLY GUSTY WINDS TO 45 MPH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE AREA... MAINLY EACH AFTERNOON AND EVENING FRIDAY...AND JUST A SLIGHT CHANCE OF STORMS SATURDAY THROUGH WEDNESDAY. THE STRONGER STORMS COULD PRODUCE VERY HEAVY RAIN AND LOCALLY GUSTY WINDS TO 45 MPH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ020-025-CAZ030>033-111315- LOWER COLORADO RIVER VALLEY AZ-YUMA/MARTINEZ LAKE AND VICINITY- JOSHUA TREE NATIONAL PARK-LOWER COLORADO RIVER VALLEY CA- RIVERSIDE COUNTY/EASTERN DESERTS-IMPERIAL COUNTY- 602 AM PDT THU AUG 10 2006 /602 AM MST THU AUG 10 2006/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHWEST ARIZONA...EXTREME WEST-CENTRAL ARIZONA...EXTREME SOUTHEAST CALIFORNIA AND SOUTHEAST CALIFORNIA. .DAY ONE...TODAY AND TONIGHT THERE WILL BE A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE AREA LATE THIS AFTERNOON AND THIS EVENING. THE STRONGER STORMS COULD PRODUCE BRIEF HEAVY RAIN...LOCALLY GUSTY WINDS TO 45 MPH...AND BLOWING DUST THAT COULD REDUCE VISIBILITIES BRIEFLY BELOW ONE MILE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE WILL BE A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE AREA FRIDAY AND FRIDAY NIGHT...MAINLY DURING THE AFTERNOON AND EVENING HOURS. THE STRONGER STORMS COULD PRODUCE BRIEF HEAVY RAIN...LOCALLY GUSTY WINDS TO 45 MPH...AND BLOWING DUST THAT COULD REDUCE VISIBILITIES BRIEFLY BELOW ONE MILE. NO THUNDERSTORMS ARE EXPECTED SATURDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The radar
The Phoenix radar (KIWA), 26 km away, was scanning. The volume nearest the first event began at 23:41 UTC.
Event by event
1 hail, 1 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Maricopa
- When
- August 10, 8:00 PM MST to 9:05 PM MST
- Where
- Maricopa County, Goodyear
- Measured
- 60 kt (69 mph) estimated gust
- Property damage
- $40,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 33.433, -112.350
Power lines down across an area estimated to be about a mile long.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hail and Damaging Winds in Iowa, August 10, 2006
- Heat and Hail in Tennessee, August 10, 2006
- Flash Flooding and Damaging Winds in Kentucky, August 10, 2006
- Damaging Wind in Nebraska, August 10, 2006
- Flooding and Damaging Winds in Illinois, August 10, 2006
- Hail and Damaging Winds in Georgia, August 10, 2006
- Damaging Winds in Kansas, August 10, 2006
- Damaging Wind in Illinois, August 10, 2006
- Damaging Winds in Iowa, August 10, 2006
- Damaging Winds and Lightning Strike in Indiana, August 10, 2006
- Damaging Wind in South Carolina, August 10, 2006
- Flash Flood and Hail in South Dakota, August 10, 2006
More
Every storm in Arizona in 2006Every state in 2006This day in weather historyWarnings in Arizona, August 2006
Sources
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: 5532264, 5532263.