Alert archive / Kansas / Flash Flood Warnings in 2021
Flash Flood Warning 17, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at Jun 28, 2021, 12:25 PM CDT for Anderson County, Kansas. It was in force for 3 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
- Jun 28, 2021, 12:25 PM CDT (17:25 UTC)
- Expired
- Jun 28, 2021, 3:18 PM CDT
- In force
- 3 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Flood severity
- None
County Anderson County, KS
The radar
The Pleasant Hill radar (KEAX), 110 km from the middle of the area, began a volume at 17:26 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
Topeka, KS (KTOP), launched 12:00Z, 5.4 hours before the alert went out and 91 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
- 83 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 990 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
986
WGUS53 KTOP 281725
FFWTOP
KSC003-282130-
/O.NEW.KTOP.FF.W.0017.210628T1725Z-210628T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Topeka KS
1225 PM CDT Mon Jun 28 2021
The National Weather Service in Topeka has issued a
* Flash Flood Warning for...
Anderson County in east central Kansas...
* Until 430 PM CDT.
* At 1224 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 2 inches of
rain have fallen. The expected rainfall rate is 1 to 2 inches in 1
hour. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Garnett, Colony, Greeley, Westphalia, Kincaid, Lone Elm and
Garnett Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3821 9551 3830 9541 3839 9534 3839 9507
3826 9507 3826 9508 3804 9508 3804 9551
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
Jones1 follow-up statement
990
WGUS73 KTOP 282018
FFSTOP
Flash Flood Statement
National Weather Service Topeka KS
318 PM CDT Mon Jun 28 2021
KSC003-282028-
/O.CAN.KTOP.FF.W.0017.000000T0000Z-210628T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Anderson KS-
318 PM CDT Mon Jun 28 2021
...FLASH FLOOD WARNING FOR ANDERSON COUNTY HAS BEEN REPLACED WITH A
FLOOD ADVISORY...
The heaviest rainfall has come to an end and waters should begin to
recede, but minor flooding and ponding on roadways may remain for
several hours.
LAT...LON 3821 9551 3830 9541 3839 9534 3839 9507
3826 9507 3826 9508 3804 9508 3804 9551
$$
JonesThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 11:09 AM CDT | Flash Flood Watch | TOP | Anderson, Coffey, Douglas, Franklin, Jefferson, Lyon and 2 more | 68 hr |
| Jun 28, 3:18 PM CDT | Areal Flood Advisory | TOP | Anderson | 72 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.