Alert archive / Kansas / Flash Flood Warnings in 2017
Flash Flood Warning 32, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Aug 21, 2017, 9:09 PM CDT for Atchison County, Leavenworth County, Kansas; Buchanan County, Platte County, Missouri. It was in force for 6 hr. 1 report 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
- Aug 21, 2017, 9:09 PM CDT (02:09 UTC)
- Expired
- Aug 22, 2017, 3:15 AM CDT
- In force
- 6 hr
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Atchison County, KS, Leavenworth County, KS, Buchanan County, MO, Platte County, MO
The radar
The Pleasant Hill radar (KEAX), 109 km from the middle of the area, began a volume at 02:08 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 |
|---|---|---|---|
| Aug 21, 10:25 PM CDT | FLASH FLOOD | 1 Ne Lansing, KS | KS HWY 5 SHUT DOWN DUE TO WATER OVER ROAD AT SEVENMILE CREEK. |
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, 2.2 hours before the alert went out and 72 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
- 2114 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1421 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 9.7
The text
As transmitted.
769
WGUS53 KEAX 220209
FFWEAX
KSC005-103-MOC021-165-220815-
/O.NEW.KEAX.FF.W.0032.170822T0209Z-170822T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
909 PM CDT MON AUG 21 2017
The National Weather Service in Pleasant Hill has issued a
* Flash Flood Warning for...
Northern Leavenworth County in northeastern Kansas...
Atchison County in northeastern Kansas...
Southwestern Buchanan County in northwestern Missouri...
Platte County in west central Missouri...
* Until 315 AM CDT Tuesday
* At 906 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Hourly rainfall rates of 2 to 3
inches per hour are occurring with these storms. These storms may
produce 3 to 6 inches of rain across the warned area, especially
southern Atchison county in Kansas. This replaces the previous
flash flood warning for Atchison County Kansas.
* Some locations that will experience flooding include...
Kansas City, Leavenworth, Lansing, Atchison, Platte City, Weatherby
Lake, Weston, Lake Waukomis, Edgerton, Effingham, Dearborn, Camden
Point, Ferrelview, Rushville, Lancaster, Easton, Tracy, Muscotah,
Lewis And Clark Village and Farley.
This includes the following highways...
Interstate 29 between mile markers 8 and 34.
Interstate 435 between mile markers 24 and 39.
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 3965 9556 3965 9511 3962 9510 3962 9506
3965 9504 3953 9460 3923 9460 3929 9518
3942 9518 3942 9557
$$
CDB1 follow-up statement
445
WGUS73 KEAX 220413
FFSEAX
Flash Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
1113 PM CDT MON AUG 21 2017
KSC005-103-MOC021-165-220815-
/O.CON.KEAX.FF.W.0032.000000T0000Z-170822T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Leavenworth KS-Atchison KS-Buchanan MO-Platte MO-
1113 PM CDT MON AUG 21 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR
NORTHERN LEAVENWORTH...ATCHISON...SOUTHWESTERN BUCHANAN AND PLATTE
COUNTIES...
At 1110 PM CDT, Doppler radar indicated that much of the heavy rain
had ended across the warned area. Radar estimates that 6 to 8 inches
of rain has fallen in Atchison County, KS with other areas in the
warning seeing between 3 and 6 inches. Flash flooding is likely
already occurring. Additionally, more heavy rain is expected to move
into the area later tonight and may add another 1 to 3 inches of
rain.
Some locations that will experience flooding include...
Kansas City, Leavenworth, Lansing, Atchison, Platte City, Weatherby
Lake, Weston, Lake Waukomis, Edgerton, Effingham, Dearborn, Camden
Point, Ferrelview, Rushville, Lancaster, Easton, Tracy, Muscotah,
Lewis And Clark Village and Farley.
This includes the following highways...
Interstate 29 between mile markers 8 and 34.
Interstate 435 between mile markers 24 and 39.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3965 9556 3965 9511 3962 9510 3962 9506
3965 9504 3953 9460 3923 9460 3929 9518
3942 9518 3942 9557
$$
CDBThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 7:22 PM CDT | Flash Flood Warning | EAX | Atchison | 6 hr |
| Aug 21, 8:41 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Leavenworth | 32 min |
| Aug 21, 8:52 PM CDT | Special Weather Statement | EAX | Johnson, Leavenworth, Wyandotte | 38 min |
| Aug 21, 9:26 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Wyandotte | 34 min |
| Aug 21, 9:30 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth | 30 min |
| Aug 21, 9:53 PM CDT | Flash Flood Warning | EAX | Johnson, Leavenworth, Wyandotte | 6 hr |
| Aug 21, 9:55 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth, Wyandotte | 35 min |
| Aug 21, 10:22 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Miami | 18 min |
| Aug 21, 10:46 PM CDT | Flash Flood Warning | EAX | Johnson | 6 hr |
| Aug 21, 10:48 PM CDT | River Flood Warning | EAX | Atchison, Leavenworth | 51 hr |
| Aug 21, 10:48 PM CDT | River Flood Warning | EAX | Leavenworth | 50 hr |
| Aug 21, 11:07 PM CDT | River Flood Warning | EAX | Johnson | 28 hr |
| Aug 21, 11:12 PM CDT | River Flood Warning | EAX | Johnson | 33 hr |
| Aug 21, 11:25 PM CDT | River Flood Warning | EAX | Johnson | 30 hr |
| Aug 21, 11:43 PM CDT | River Flood Warning | EAX | Johnson | 30 hr |
| Aug 21, 11:45 PM CDT | Flash Flood Warning | EAX | Miami | 8 hr |
| Aug 22, 12:04 AM CDT | Flash Flood Warning | EAX | Johnson, Leavenworth, Wyandotte | 8 hr |
| Aug 22, 12:51 AM CDT | River Flood Warning | EAX | Johnson | 34 hr |
| Aug 22, 2:41 AM CDT | Special Weather Statement | EAX | Johnson | 34 min |
| Aug 22, 3:09 AM CDT | Areal Flood Warning | EAX | Atchison | 6 hr |
| Aug 22, 3:15 AM CDT | Flash Flood Warning | EAX | Linn, Miami | 6 hr |
| Aug 22, 4:34 AM CDT | River Flood Warning | EAX | Miami | 3 days |
| Aug 22, 4:34 AM CDT | River Flood Warning | EAX | Linn | 5 days |
| Aug 22, 7:37 AM CDT | Areal Flood Warning | EAX | Atchison, Johnson, Leavenworth, Miami, Wyandotte | 12 hr |
| Aug 22, 8:46 AM CDT | River Flood Warning | EAX | Linn | 5 days |
| Aug 22, 9:01 AM CDT | Areal Flood Warning | EAX | Linn, Miami | 60 hr |
| Aug 21, 7:14 PM CDT | Special Weather Statement | EAX | Cooper | 31 min |
| Aug 21, 8:02 PM CDT | Special Weather Statement | EAX | Clay, Platte | 43 min |
| Aug 21, 9:45 PM CDT | Flash Flood Warning | EAX | Clay | 6 hr |
| Aug 21, 9:54 PM CDT | River Flood Warning | EAX | Clay, Platte | 34 hr |
| Aug 21, 10:02 PM CDT | Flash Flood Warning | EAX | Clay | 6 hr |
| Aug 21, 10:20 PM CDT | River Flood Warning | EAX | Cooper, Saline | 7 days |
| Aug 21, 10:20 PM CDT | River Flood Warning | EAX | Ray | 45 hr |
| Aug 21, 10:23 PM CDT | River Flood Warning | EAX | Carroll, Lafayette, Saline | 59 hr |
| Aug 22, 12:42 AM CDT | Areal Flood Advisory | EAX | Cass, Henry, Johnson, Lafayette | 6 hr |
| Aug 22, 12:51 AM CDT | River Flood Warning | EAX | Jackson | 37 hr |
| Aug 22, 12:51 AM CDT | River Flood Warning | EAX | Jackson | 33 hr |
| Aug 22, 12:51 AM CDT | River Flood Warning | EAX | Jackson | 36 hr |
| Aug 22, 1:45 AM CDT | Flash Flood Warning | EAX | Cass, Henry, Johnson | 6 hr |
| Aug 22, 1:47 AM CDT | River Flood Warning | EAX | Cass, Henry, Johnson | 4 days |
| Aug 22, 1:47 AM CDT | River Flood Warning | EAX | Bates, Cass, Henry | 4 days |
| Aug 22, 2:23 AM CDT | River Flood Warning | EAX | Jackson | 19 hr |
| Aug 22, 2:23 AM CDT | River Flood Warning | EAX | Jackson | 39 hr |
| Aug 22, 2:40 AM CDT | River Flood Warning | EAX | Carroll | 54 hr |
| Aug 22, 2:51 AM CDT | Areal Flood Advisory | EAX | Bates, Henry | 4 hr |
| Aug 22, 3:53 AM CDT | River Flood Warning | EAX | Johnson, Pettis | 3 days |
| Aug 22, 3:53 AM CDT | River Flood Warning | EAX | Platte | 49 hr |
| Aug 22, 3:53 AM CDT | River Flood Warning | EAX | Platte | 55 hr |
| Aug 22, 5:20 AM CDT | River Flood Warning | EAX | Jackson | 30 hr |
| Aug 22, 5:20 AM CDT | River Flood Warning | EAX | Jackson | 28 hr |
| Aug 22, 5:20 AM CDT | River Flood Warning | EAX | Jackson | 29 hr |
| Aug 22, 5:41 AM CDT | River Flood Warning | EAX | Cooper | 39 hr |
| Aug 22, 5:57 AM CDT | River Flood Warning | EAX | Clay, Jackson, Ray | 70 hr |
| Aug 22, 5:57 AM CDT | River Flood Warning | EAX | Jackson, Lafayette, Ray | 3 days |
| Aug 22, 9:33 AM CDT | River Flood Warning | EAX | Carroll, Chariton, Saline | 4 days |
| Aug 22, 9:33 AM CDT | River Flood Warning | EAX | Chariton, Howard, Saline | 3 days |
| Aug 22, 9:33 AM CDT | River Flood Warning | EAX | Cooper, Howard | 4 days |
| Aug 22, 4:09 PM CDT | River Flood Warning | EAX | Cooper | 34 hr |
Nearby
Flash Flood Warnings in Kansas, 2017Flash Flood Warnings in Missouri, 2017Every flash flood warning in 2017
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.