Hail, Modoc
- When
- August 4, 5:00 PM PST
- Where
- Modoc County, Alturas
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.483, -120.533
Modoc county sheriff reported 1 inch hail at the county jail.
Hail in California, August 4, 2003
This report met the criteria for a severe thunderstorm warning, but the report was not relayed to WFO MFR until over 4 hours later. Therefore, no warning was issued for this storm.
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 happened
The episode as NWS MFR wrote it up.
This report met the criteria for a severe thunderstorm warning, but the report was not relayed to WFO MFR until over 4 hours later. Therefore, no warning was issued for this storm.
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 Medford, OR wrote its last area forecast discussion before the first event at Aug 4, 1:30 PM PST, 3 hours 30 minutes earlier.
Area forecast discussion, Aug 4, 1:30 PM PST, 3 hours 30 minutes before
SOUTHWEST OREGON AND NORTHERN CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEDFORD, OR 230 PM PDT MON AUG 4 2003 ABUNDANT LOW LEVEL MOISTURE AND MID TO UPPER LEVEL DIFFLUENCE ALONG WITH A MODEST 60 KNOT JET AT 250MB WILL EXTEND THUNDER STORMS WELL INTO THE EVENING OVER MOST OF OUR FORECAST AREA EXCLUDING THE COAST. TUESDAY A STRONG MID TO UPPER LEVEL LOW AND A COOL POOL OF AIR AT 500MB WILL SPREAD CLOUDS AND RAINSHOWERS OVER NORTHWEST CALIFORNIA AND SOUTHWEST OREGON. FURTHER EAST THERE MAY BE ENOUGH SUNSHINE TO GENERATE ISOLATED THUNDERSTORMS. THE BEST AREA OF DYNAMICS AND INSTABILITY FOR THUNDERSTORMS WILL BE LOCATED NORTHEAST OF OUR AREA. WEDNESDAY A WEAKER MID LEVEL DISTURBANCE MOVES INTO NORTHERN CALIFORNIA BUT WILL LIKELY BRING MAINLY MID AND HIGH CLOUDS WITH ISOLATED LIGHT RAINSHOWERS. THURSDAY A COLD FRONT REACHES THE COAST WITH LIGHT RAIN BUT WEAKENS QUICKLY AS IT EVOLVES INTO A SPLIT SYSTEM. A MARINE PUSH WITH COOL AIR FOLLOWS THE FRONT CONTINUING EAST OF THE CASCADES THURSDAY NIGHT BUT WITHOUT STRONG GUSTY WINDS. LATE FRIDAY ANOTHER WEAKER MARINE PUSH OCCURS MAINTAINING THE COOL TREND. SATURDAY THROUGH MONDAY THERE WILL BE CLEARING BUT ONLY A SLIGHT INCREASE IN TEMPERATURES AS THE LONG WAVE TROUGH REMAINS NEAR 130W AND CLOSED LOW MEANDERS ABOUT. TUESDAY THE MRF BRINGS THE CLOSED LOW INTO THE BROOKINGS AREA. IF THIS IS CORRECT IT WOULD MEAN MORE CLOUDS AND SHOWERS. .MFR...NONE. MO
Hazardous weather outlook, Aug 4, 5:30 AM PST, 11 hours 30 minutes before
ORZ021>031-CAZ080>085-051330- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEDFORD OR 630 AM PDT SUN AUG 04 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN CALIFORNIA .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HESS
In the hours before
Local storm report, Aug 4, 4:17 PM PST, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OREGON
517 PM PDT MON AUG 04 2003
TIME(PDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0508 PM CA .5 INCH HAIL
08/04/03 MODOC MODOC CO SHERIFF REPORTED
MARBLE SIZE HAIL ON HWY 60
2 MILES SOUTH OF ALTURAS.Local storm report, Aug 4, 4:56 PM PST, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OREGON
556 PM PDT MON AUG 04 2003
TIME(PDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0554 PM OR
08/04/03 LAKE WIND ESTIMATED AT 35 TO 40
MPH. THUNDERSTORM 5-5
MILES EAST OF FORT ROCK.The radar
The national radar mosaic for the moment the first event began.
Event by event
1 hail. Local standard time, as filed.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flooding and Lightning Strikes in Ohio, August 4, 2003
- Flash Flood and Hail in Tennessee, August 4 to 5, 2003
- Flash Flood and Hail in Kentucky, August 4, 2003
- Flash Flood and Flood in Ohio, August 4, 2003
- Tornado and Hail in Virginia, August 4 to 5, 2003
- Flash Flooding in New York, August 4, 2003
- Flash Flood in Kentucky, August 4, 2003
- Damaging Wind and Lightning Strike in South Carolina, August 4, 2003
- Flash Flood and Damaging Winds in Mississippi, August 4, 2003
- Flood in Ohio, August 4, 2003
- Flood in Ohio, August 4, 2003
- Damaging Winds in Texas, August 4, 2003
More
Every storm in California in 2003Every state in 2003This day in weather historyWarnings in California, August 2003
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: 5334952.