Alert archive / Kansas / Flash Flood Warnings in 2021
Flash Flood Warning 3, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at May 16, 2021, 10:14 AM CDT for 4 counties in Kansas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 16, 2021, 10:14 AM CDT (15:14 UTC)
- Expired
- May 16, 2021, 2:07 PM CDT
- In force
- 4 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Geary County, KS, Lyon County, KS, Morris County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 31 km from the middle of the area, began a volume at 15:14 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 3.2 hours before the alert went out and 283 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 9 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 924 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -64 m²/s²
- 0-3 km storm-relative helicity
- -33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
995
WGUS53 KTOP 161514
FFWTOP
KSC061-111-127-197-161915-
/O.NEW.KTOP.FF.W.0003.210516T1514Z-210516T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Topeka KS
1014 AM CDT Sun May 16 2021
The National Weather Service in Topeka has issued a
* Flash Flood Warning for...
Geary County in east central Kansas...
Lyon County in east central Kansas...
Eastern Morris County in east central Kansas...
Wabaunsee County in east central Kansas...
* Until 215 PM CDT.
* At 1014 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
2 and 5 inches of rain have fallen. Flash flooding is already
occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Emporia, Junction City, Council Grove, Alma, Eskridge, Grandview
Plaza, Americus, Alta Vista, Hartford, Dwight, Neosho Rapids,
Harveyville, Reading, Allen, Admire, Bushong, Dunlap, Council
Grove Lake and Volland.
This includes the following highways...
Kansas Turnpike between mile markers 121 and 154.
Interstate 35 between mile markers 128 and 142.
Interstate 70 between mile markers 295 and 315.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3886 9691 3909 9684 3906 9650 3904 9650
3903 9611 3885 9595 3829 9596 3834 9636
3852 9635 3852 9648 3886 9663
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Skow2 follow-up statements
244
WGUS73 KTOP 161526
FFSTOP
Flash Flood Statement
National Weather Service Topeka KS
1026 AM CDT Sun May 16 2021
KSC061-111-127-197-161915-
/O.CON.KTOP.FF.W.0003.000000T0000Z-210516T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Geary KS-Lyon KS-Morris KS-Wabaunsee KS-
1026 AM CDT Sun May 16 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM CDT THIS
AFTERNOON FOR GEARY, LYON, EASTERN MORRIS AND WABAUNSEE COUNTIES...
At 1024 AM CDT, local law enforcement reported thunderstorms
producing heavy rain across the warned area. Between 2 and 5 inches
of rain have fallen. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Emporia, Junction City, Council Grove, Alma, Eskridge, Grandview
Plaza, Americus, Alta Vista, Hartford, Dwight, Neosho Rapids,
Harveyville, Reading, Allen, Admire, Bushong, Dunlap, Council
Grove Lake and Volland.
This includes the following highways...
Kansas Turnpike between mile markers 121 and 154.
Interstate 35 between mile markers 128 and 142.
Interstate 70 between mile markers 295 and 314.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area. Law enforcement in Harveyville report that they are
closing Harveyville Road and Walton Road due to overflow from
Dragoon Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3886 9691 3909 9684 3906 9650 3904 9650
3903 9611 3885 9595 3829 9596 3834 9636
3852 9635 3852 9648 3886 9663
FLASH FLOOD...OBSERVED
$$
Skow634
WGUS73 KTOP 161907
FFSTOP
Flash Flood Statement
National Weather Service Topeka KS
207 PM CDT Sun May 16 2021
KSC061-111-127-197-161917-
/O.CAN.KTOP.FF.W.0003.000000T0000Z-210516T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Geary KS-Lyon KS-Morris KS-Wabaunsee KS-
207 PM CDT Sun May 16 2021
...FLASH FLOOD WARNING FOR GEARY, LYON, EASTERN MORRIS AND WABAUNSEE
COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...
LAT...LON 3886 9691 3909 9684 3906 9650 3904 9650
3903 9611 3885 9595 3829 9596 3834 9636
3852 9635 3852 9648 3886 9663
$$
SkowThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 12:26 AM CDT | Special Weather Statement | TOP | Dickinson | 34 min |
| May 16, 12:35 AM CDT | Special Weather Statement | TOP | Ottawa | 25 min |
| May 16, 1:05 AM CDT | Special Weather Statement | TOP | Lyon | 25 min |
| May 16, 1:08 AM CDT | Special Weather Statement | TOP | Dickinson | 37 min |
| May 16, 1:36 AM CDT | Areal Flood Advisory | TOP | Ottawa | 3 hr |
| May 16, 2:31 AM CDT | Flash Flood Warning | TOP | Ottawa | 6 hr |
| May 16, 7:11 AM CDT | Areal Flood Advisory | TOP | Geary, Wabaunsee | 3 hr |
| May 16, 7:15 AM CDT | Areal Flood Advisory | TOP | Lyon | 3 hr |
| May 16, 8:38 AM CDT | Areal Flood Warning | TOP | Ottawa | 9 hr |
| May 16, 8:55 AM CDT | Areal Flood Advisory | TOP | Lyon | 3 hr |
| May 16, 9:06 AM CDT | Areal Flood Advisory | TOP | Osage, Shawnee, Wabaunsee | 3 hr |
| May 16, 9:31 AM CDT | River Flood Warning | TOP | Osage | 28 hr |
| May 16, 9:31 AM CDT | River Flood Warning | TOP | Lyon, Osage | 28 hr |
| May 16, 9:43 AM CDT | Areal Flood Advisory | TOP | Douglas, Franklin | 3 hr |
| May 16, 10:18 AM CDT | River Flood Warning | TOP | Franklin, Osage | 46 hr |
| May 16, 11:21 AM CDT | River Flood Warning | TOP | Franklin | 62 hr |
| May 16, 11:38 AM CDT | River Flood Warning | TOP | Wabaunsee | 16 hr |
| May 16, 11:59 AM CDT | River Flood Warning | TOP | Ottawa, Saline | 3 days |
| May 16, 12:02 PM CDT | Areal Flood Advisory | TOP | Shawnee, Wabaunsee | 3 hr |
| May 16, 1:32 PM CDT | Severe Thunderstorm Warning | TOP | Lyon | 28 min |
| May 16, 2:07 PM CDT | Areal Flood Warning | TOP | Geary, Lyon, Morris, Wabaunsee | 10 hr |
| May 16, 2:41 PM CDT | Special Weather Statement | TOP | Lyon | 34 min |
| May 16, 3:14 PM CDT | River Flood Warning | TOP | Dickinson, Ottawa, Saline | 16 hr |
| May 16, 3:24 PM CDT | Special Weather Statement | TOP | Osage | 36 min |
| May 16, 3:46 PM CDT | Special Weather Statement | TOP | Osage | 29 min |
| May 16, 4:18 PM CDT | Special Weather Statement | TOP | Franklin | 27 min |
| May 16, 4:22 PM CDT | Flash Flood Warning | TOP | Cloud | 2 hr |
| May 16, 5:33 PM CDT | Areal Flood Advisory | TOP | Anderson, Coffey, Franklin, Lyon, Morris, Osage | 2 hr |
| May 16, 6:20 PM CDT | Special Weather Statement | TOP | Franklin | 25 min |
Nearby
Flash Flood Warnings in Kansas, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.