Tornado, Pinal
- When
- April 4, 2:30 PM MST
- Where
- Pinal County, 5 mi E of Maricopa
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 10 yd
- Reported by
- GENERAL PUBLIC
- Coordinates
- 32.067, -111.967
Short-lived weak tornado seen over open land.
Tornado in Arizona, April 4, 2004
1 tornado, 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
- None recorded
- Crop damage
- None recorded
- Events
- 1
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 Apr 4, 9:45 AM MST, 4 hours 45 minutes earlier.
Area forecast discussion, Apr 4, 9:45 AM MST, 4 hours 45 minutes before
AZZ020>028-CAZ030>033-042245- AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 945 AM MST SUN APR 4 2004 SOUTHWEST AND SOUTH-CENTRAL ARIZONA...AND SOUTHEAST CALIFORNIA FORECAST DISCUSSION .SYNOPSIS... A LOW PRESSURE SYSTEM WILL REMAIN STATIONARY OVER ARIZONA TODAY... THEN MOVE INTO WESTERN NEW MEXICO ON MONDAY. THIS WILL CONTINUE THE THREAT FOR POSSIBLE SHOWERS AND THUNDERSTORMS TODAY OVER PORTIONS OF SOUTHEAST CALIFORNIA...AND SOUTHWEST AND SOUTH CENTRAL ARIZONA. AS THE LOW PRESSURE SYSTEM MOVES EAST...A SLIGHT CHANCE FOR SHOWERS WILL REMAIN OVER SOUTH CENTRAL ARIZONA MONDAY. A WEAK HIGH PRESSURE SYSTEM WILL BUILD OVER THE AREA TUESDAY AND WEDNESDAY...ELEVATING TEMPERATURES TO NEAR OR SLIGHTLY ABOVE NORMAL. && .DISCUSSION... MORNING RAOBS...WV IMAGERY AND MODEL RUNS CERTAINLY DONT ARGUE FOR MAKING MANY CHANGES TO THE EXISTING FORECASTS TODAY AND MONDAY. H5 LOW CENTER WILL REMAIN OVER AZ TODAY AND NUDGE EWD INTO ERN AZ ON MONDAY BEFORE FINALLY KICKING OUT OF THE STATE BY MONDAY EVENING. MOISTURE/INSTBY AND DAYTIME HEATING WILL LEAD TO ANOTHER HIGHLY DIURNAL THREAT FOR SHOWERS/TSTMS AZ PORTION OF CWA THIS AFTERNOON/ THIS EVENING...SLIGHT CHANCE COVERAGE IN AZ DESERTS AND LOW-END CHANCES REASONABLE IN THE HIGHER TERRAIN ZONE 24. SHOULD SEE LESSER SHOWERS AND FURTHER E ON MONDAY AFTERNOON AS SYSTEM MOVES OVER THAT AREA TAKING COLDEST AIR ALOFT WITH IT. TEMPS TODAY WILL BE A BIT WARMER...ESPECIALLY OUT IN THE W...WITH LITTLE CHANGE OR A BIT HIGHER MAXIMUMS IN THE E. WARMER EVERYWHERE ON MONDAY. ATTEMPTING TO POSITION NEXT TROUGH SYSTEM STILL A DUBIOUS VENTURE AT BEST. LATEST GFS NOW LOOKING MORE LIKE UKMET AT DROPPING ONE MORE VORT MAX/LOW INTO THE REGION FROM THE N FOR ONE LAST GASP OF PRECIP ABOUT WED BEFORE AMS DRYS IN DEVELOPING NLY FLOW BEHIND TROF THE END OF THE WEEK. WILL DISCUSS OUR OPTIONS MORE AT BLASTUP TIME...BUT IT APPEARS THAT WE MAY FINALLY BE ABLE TO SCOUR OUT THIS PESKY MOISTURE TOWARDS THE END OF THE WEEK. THE CALENDAR WOULD CERTAINLY ARGUE FOR DRYER WX...TIME WILL TELL. NO UPDATES. && .PSR...WATCHES/WARNINGS/ADVISORIES... AZ...NONE. CA...NONE. && ESTLE
The radar
The Tucson radar (KEMX), 128 km away, was scanning. The volume nearest the first event began at 21:29 UTC.
Event by event
1 tornado. Local standard time, as filed.
What these are
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Wildfire in Georgia, April 4, 2004
- Hail in Texas, April 4, 2004
- Flash Flooding and Hail in Texas, April 4, 2004
- Heavy Snow in Pennsylvania, April 4, 2004
- Tornado and Flash Flooding in Texas, April 4 to 5, 2004
- Heavy Snow in New York, April 4, 2004
- Marine Thunderstorm Winds in Gulf of Mexico, April 4 to 5, 2004
- Strong Wind in New Jersey, April 4, 2004
- Strong Wind in Maryland, April 4, 2004
- Strong Wind in Delaware, April 4, 2004
- Winter Weather in Colorado, April 4 to 5, 2004
- Winter Weather in Maine, April 4 to 6, 2004
More
Every storm in Arizona in 2004Every state in 2004This day in weather historyThe tornado archive for Arizona, 2004Warnings in Arizona, April 2004
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: 5391153.