Hail, Grant
- When
- April 30, 8:05 PM PST to 8:10 PM PST
- Where
- Grant County, Royal City
- Measured
- 0.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 46.883, -119.600
Hail in Washington, April 30, 2003
A thunderstorm dumped accumulating hail over a small area near Royal City. Hail stones of diameters up to 3/4 inch blanketed parts of a two square mile area with one to two inches of accumulation.
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 OTX wrote it up.
A thunderstorm dumped accumulating hail over a small area near Royal City. Hail stones of diameters up to 3/4 inch blanketed parts of a two square mile area with one to two inches of accumulation.
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 Spokane, WA wrote its last area forecast discussion before the first event at Apr 30, 8:00 PM PST, 5 minutes earlier.
Area forecast discussion, Apr 30, 8:00 PM PST, 5 minutes before
EASTERN WASHINGTON AND NORTH IDAHO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPOKANE WASHINGTON 900 PM PDT WED APR 30 2003 .SYNOPSIS...A COLD POOL OF AIR IN THE UPPER ATMOSPHERE WILL DRIFT INTO THE PACIFIC NORTHWEST OVER THE NEXT SEVERAL DAYS. THIS COLD AIR ALOFT WILL RESULT IN AN UNSTABLE AIRMASS WITH A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE END OF THE WEEK. THE BEST CHANCES WILL OCCUR DURING THE AFTERNOON AND EVENING HOURS. .DISCUSSION... .TONIGHT..COLD UPPER LEVEL LOW HAS MIGRATED INTO SOUTHERN ID THIS EVENING...WITH THE BULK OF THE CONVECTION WELL SOUTH OF OUR CWA. NONETHELESS...THE DIURNAL HEATING WE RECEIVED EARLIER WAS ENOUGH TO TRIGGER SCATTERED SHOWERS AND THUNDERSTORMS OVER EAST WA AND NORTH IDAHO. SINCE SUNSET...IR CLOUD TOPS HAVE WARMED CONSIDERABLY WITH SHOWERS BECOMING LESS NUMEROUS AND THUNDERSTORMS DISAPPEARING. DESPITE THE LACK OF DIURNAL HEATING...WE ARE STILL SEEING QUITE A FEW SHOWERS THIS EVENING ON RADAR WITH NO APPARENT ORGANIZATION. ABOUT THE ONLY LOCATION SAFE FROM SHOWERS TONIGHT WILL BE IN THE LEE OF THE CASCADES DUE TO MODERATE DOWNSLOPE FLOW. FORECASTS WILL BE UPDATED TO ACCOUNT FOR THE SHOWERS...HOWEVER WE EXPECT THEM TO BE QUITE SPARSE AFTER MIDNIGHT. LOW TEMP FORECAST LOOKS GOOD. ...THE INFORMATION IN THIS PRODUCT CONCERNING WARNINGS AND FORECASTS IS VALID ONLY AT THE TIME OF ISSUANCE. THE LATEST WARNING AND FORECAST INFORMATION WILL BE FOUND IN THE APPROPRIATE PRODUCTS... GEG 037/063/040/064/040/057 233222 COE 038/061/038/062/040/055 233222 PUW 038/061/039/062/039/054 233222 LWS 038/066/042/067/044/061 333122 CQV 038/064/037/065/038/059 233233 SPT 036/062/036/063/037/055 244233 WWP 036/060/036/061/036/054 333233 MWH 042/071/042/072/041/063 222122 EAT 038/071/045/072/042/063 122122 OMK 041/070/041/071/043/059 222122 .OTX...NONE.
Hazardous weather outlook, Apr 30, 4:55 AM PST, 15 hours 10 minutes before
IDZ001>004-026-027-WAZ031>038-041>044-011330- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 555 AM PDT WED APR 30 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WASHINGTON AND NORTH IDAHO .DAY ONE... TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN... THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
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
- Tornadoes and Flash Flooding in Illinois, April 30, 2003
- Tornado and Hail in Texas, April 30, 2003
- Tornado and Flash Flood in Iowa, April 30, 2003
- Lightning Strike in Iowa, April 30, 2003
- Tornadoes and Hail in Iowa, April 30, 2003
- Flash Flood and Hail in Georgia, April 30, 2003
- Tornadoes and Hail in Missouri, April 30, 2003
- Hail in Missouri, April 30, 2003
- Tornadoes and Hail in Kansas, April 30, 2003
- Hail and Lightning Strike in North Carolina, April 30, 2003
- Hail in Oklahoma, April 30, 2003
- Damaging Wind in Alabama, April 30, 2003
More
Every storm in Washington in 2003Every state in 2003This day in weather historyWarnings in Washington, April 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: 5350810.