Alert archive / Kansas / Flash Flood Warnings in 2018
Flash Flood Warning 7, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at Jul 13, 2018, 5:33 PM CDT for Marshall County, Washington 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
- Jul 13, 2018, 5:33 PM CDT (22:33 UTC)
- Expired
- Jul 13, 2018, 8:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Marshall County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 120 km from the middle of the area, began a volume at 22:37 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 (KFOE), launched 12:00Z, 10.6 hours before the alert went out and 154 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
- 724 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 1484 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
527
WGUS53 KTOP 132233
FFWTOP
KSC117-201-140130-
/O.NEW.KTOP.FF.W.0007.180713T2233Z-180714T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Topeka KS
533 PM CDT FRI JUL 13 2018
The National Weather Service in Topeka has issued a
* Flash Flood Warning for...
Central Washington County in north central Kansas...
Northwestern Marshall County in northeastern Kansas...
* Until 830 PM CDT.
* At 531 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Washington, Hanover, Morrowville, Haddam, Hollenberg and Bremen.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
&&
LAT...LON 4000 9671 3987 9681 3962 9737 3985 9737
4000 9709
$$
BD1 follow-up statement
866
WGUS73 KTOP 140128
FFSTOP
Flash Flood Statement
National Weather Service Topeka KS
828 PM CDT FRI JUL 13 2018
KSC117-201-140138-
/O.EXP.KTOP.FF.W.0007.000000T0000Z-180714T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Washington-Marshall-
828 PM CDT FRI JUL 13 2018
...THE FLASH FLOOD WARNING FOR CENTRAL WASHINGTON AND NORTHWESTERN
MARSHALL COUNTIES WILL EXPIRE AT 830 PM CDT...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4000 9671 3987 9681 3962 9737 3985 9737
4000 9709
$$The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 2:28 PM CDT | Special Weather Statement | TOP | Riley | 32 min |
| Jul 13, 3:03 PM CDT | Special Weather Statement | TOP | Riley | 27 min |
| Jul 13, 3:54 PM CDT | Special Weather Statement | TOP | Republic | 36 min |
| Jul 13, 3:57 PM CDT | Special Weather Statement | TOP | Dickinson | 33 min |
| Jul 13, 4:27 PM CDT | Special Weather Statement | TOP | Republic | 33 min |
| Jul 13, 4:28 PM CDT | Special Weather Statement | TOP | Dickinson | 32 min |
| Jul 13, 4:34 PM CDT | Special Weather Statement | TOP | Washington | 26 min |
| Jul 13, 4:58 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Republic, Washington | 47 min |
| Jul 13, 5:23 PM CDT | Areal Flood Advisory | TOP | Dickinson | 52 min |
| Jul 13, 5:32 PM CDT | Special Weather Statement | TOP | Clay, Cloud, Dickinson, Ottawa | 43 min |
| Jul 13, 5:58 PM CDT | Special Weather Statement | TOP | Washington | 17 min |
Nearby
Flash Flood Warnings in Kansas, 2018Every flash flood warning in 2018
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.