Hail, Pottawatomie
- When
- April 21, 6:25 PM CST
- Where
- Pottawatomie County, 6 mi SW of Westmoreland
- Measured
- 1.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 39.330, -96.500
Flooding and Hail in Kansas, April 21 to 22, 1999
Heavy downpours resulted in rainfall of two to 3 inches in a short time and caused small creeks and streams to flood in and around Lawrence. Several roads were closed for a time and street flooding occured in Lawrence as well.
Where it happened
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
- 8
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 TOP wrote it up.
Heavy downpours resulted in rainfall of two to 3 inches in a short time and caused small creeks and streams to flood in and around Lawrence. Several roads were closed for a time and street flooding occured in Lawrence as well.
The radar
The Topeka radar (KTWX), 44 km away, was scanning. The volume nearest the first event began at 00:24 UTC.
Event by event
4 hail, 2 flood, 1 heavy rain, 1 lightning. Local standard time, as filed.
Hail, Pottawatomie
- When
- April 21, 6:35 PM CST
- Where
- Pottawatomie County, 5 mi SW of Westmoreland
- Measured
- 0.88 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 39.350, -96.480
Hail, Lyon
- When
- April 21, 7:30 PM CST
- Where
- Lyon County, 7 mi W of Emporia
- Measured
- 0.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 38.400, -96.320
Hail, Pottawatomie
- When
- April 21, 7:35 PM CST
- Where
- Pottawatomie County, 1 mi W of Onaga
- Measured
- 0.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 39.480, -96.180
Heavy Rain, Lyon
- When
- April 21, 8:00 PM CST to 9:00 PM CST
- Where
- Lyon County, Emporia
- Reported by
- NEWSPAPER
- Coordinates
- 38.456, -96.153 (the zone’s center; the record gives no point)
Runoff from heavy downpours caused local street flooding in Emporia and resulted in 9 reports of disabled vehicles.
Lightning, Douglas
- When
- April 22, 11:00 AM CST
- Where
- Douglas County, Lawrence
- Reported by
- NEWSPAPER
- Coordinates
- 38.885, -95.293 (the zone’s center; the record gives no point)
Lightning struck in Lawrence and caused power outages for a time to about 100 customers of KPL.
Flood, Douglas
- When
- April 22, 11:00 AM CST to 3:00 PM CST
- Where
- Douglas County, Lawrence
- Reported by
- NEWSPAPER
- Coordinates
- 38.885, -95.293 (the zone’s center; the record gives no point)
Flood, Jefferson
- When
- April 22, 11:00 AM CST to 3:00 PM CST
- Where
- Jefferson County, Williamstown
- Reported by
- NEWSPAPER
- Coordinates
- 39.236, -95.383 (the zone’s center; the record gives no point)
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
- Lightning
- A lightning strike that killed, injured or caused damage.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Oklahoma, April 21 to 22, 1999
- Tornadoes and Hail in Nebraska, April 21, 1999
- Hail and Damaging Winds in Kansas, April 21 to 22, 1999
- Dust Storm in California, April 21 to 22, 1999
- Lightning Strike in Missouri, April 21, 1999
- Hail and Damaging Winds in Oklahoma, April 21 to 22, 1999
- Flash Flood and Hail in Pennsylvania, April 21 to 23, 1999
- Heavy Snow in Colorado, April 21 to 23, 1999
- Hail and Damaging Wind in Illinois, April 21, 1999
- Winter Storm in Colorado, April 21 to 22, 1999
- Hail in Ohio, April 21 to 23, 1999
- Damaging Winds in Illinois, April 21 to 22, 1999
More
Every storm in Kansas in 1999Every state in 1999This day in weather historyWarnings in Kansas, April 1999
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: 5687196, 5687197, 5687198, 5687199, 5687200, 5687201, 5687202, 5687203.