Alert archive / Kansas / Flash Flood Warnings in 2018
Flash Flood Warning 21, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at Sep 5, 2018, 4:44 AM CDT for 4 counties in Kansas. It was in force for 6 hr. 7 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 5, 2018, 4:44 AM CDT (09:44 UTC)
- Expired
- Sep 5, 2018, 10:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, KS, Marshall County, KS, Riley County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 84 km from the middle of the area, began a volume at 09:46 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 5, 6:00 AM CDT | FLASH FLOOD | 5 S Palmer, KS | WATER WAS RUNNING OVER THE ROAD JUST WEST OF THE K-15 AND K-9 INTERSECTION. |
| Sep 5, 7:30 AM CDT | FLASH FLOOD | 6 Sse Palmer, KS | 30TH ROAD BETWEEN QUAIL AND PRAIRIE ROAD HAD WATER RUNNING OVER THE ROAD. |
| Sep 5, 7:32 AM CDT | FLASH FLOOD | 2 N Morganville, KS | WATER WAS FLOWING OVER THE ROAD AT 26TH AND JAYHAWK. |
| Sep 5, 7:33 AM CDT | FLASH FLOOD | 1 Wsw Morganville, KS | WATER WAS FLOWING ACROSS THE ROAD NEAR 23RD AND HACKBERRY ROAD. |
| Sep 5, 7:36 AM CDT | FLASH FLOOD | 2 W Blue Rapids, KS | WATER WAS REPORTED OVER HIGHWAY 77 NEAR THE 7TH ROAD INTERSECTION. |
| Sep 5, 7:55 AM CDT | HEAVY RAIN 4.25 | Marysville, KS | REPORTED AT 1201 BROADWAY, MARYSVILLE, KS. |
| Sep 5, 8:30 AM CDT | HEAVY RAIN 2.6 | Marysville, KS | 24 HOUR TOTAL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KFOE), launched 00:00Z, 9.7 hours before the alert went out and 117 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
- 843 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 841 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
286
WGUS53 KTOP 050944
FFWTOP
KSC027-117-161-201-051545-
/O.NEW.KTOP.FF.W.0021.180905T0944Z-180905T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Topeka KS
444 AM CDT WED SEP 5 2018
The National Weather Service in Topeka has issued a
* Flash Flood Warning for...
Northwestern Riley County in northeastern Kansas...
Southeastern Washington County in north central Kansas...
Northern Clay County in north central Kansas...
Marshall County in northeastern Kansas...
* Until 1045 AM CDT Wednesday.
* At 443 AM CDT, Doppler radar indicated heavy rain across the
warned area. One to two inches of rain have fallen. Flash flooding
is expected to begin shortly.
* Some locations that will experience flooding include...
Marysville, Washington, Blue Rapids, Frankfort, Hanover,
Waterville, Clifton, Linn, Axtell, Greenleaf, Beattie, Morganville,
Barnes, Summerfield, Palmer, Oketo, Vining and Bremen.
Additional rainfall amounts of one to two 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.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4000 9624 3985 9624 3954 9659 3953 9663
3948 9667 3948 9668 3944 9672 3944 9737
3956 9737 4000 9683
$$
Baerg1 follow-up statement
440
WGUS73 KTOP 051159
FFSTOP
Flash Flood Statement
National Weather Service Topeka KS
659 AM CDT WED SEP 5 2018
KSC027-117-161-201-051545-
/O.CON.KTOP.FF.W.0021.000000T0000Z-180905T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Riley-Washington-Clay-Marshall-
659 AM CDT WED SEP 5 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT FOR
NORTHWESTERN RILEY...SOUTHEASTERN WASHINGTON...NORTHERN CLAY AND
MARSHALL COUNTIES...
At 657 AM CDT, Doppler radar indicated heavy rain across the warned
area. One to three inches of rain has fallen. Flash flooding is
expected to begin shortly.
Some locations that will experience flooding include...
Marysville, Washington, Blue Rapids, Frankfort, Hanover, Waterville,
Clifton, Linn, Axtell, Greenleaf, Beattie, Morganville, Barnes,
Summerfield, Palmer, Oketo, Vining and Bremen.
Additional rainfall amounts up to one inch are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4000 9624 3985 9624 3954 9659 3953 9663
3948 9667 3948 9668 3944 9672 3944 9737
3956 9737 4000 9683
$$
BaergThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 7:47 PM CDT | Areal Flood Advisory | TOP | Cloud, Republic | 3 hr |
| Sep 5, 3:51 AM CDT | Areal Flood Advisory | TOP | Clay, Cloud, Dickinson, Geary, Marshall, Ottawa and 3 more | 3 hr |
| Sep 5, 7:20 AM CDT | River Flood Warning | TOP | Washington | 23 hr |
| Sep 5, 9:10 AM CDT | River Flood Warning | TOP | Riley | 25 hr |
| Sep 5, 10:34 AM CDT | Areal Flood Advisory | TOP | Coffey | 116 min |
| Sep 5, 1:15 PM CDT | Areal Flood Advisory | TOP | Dickinson, Geary, Morris | 3 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.