Alert archive / Missouri / Flash Flood Warnings in 2021
Flash Flood Warning 29, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Jun 30, 2021, 2:33 PM CDT for Linn County, Miami County, Kansas; 5 counties in Missouri. 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
- Jun 30, 2021, 2:33 PM CDT (19:33 UTC)
- Expired
- Jun 30, 2021, 6:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Linn County, KS, Miami County, KS, Bates County, MO, Cass County, MO, Henry County, MO, Johnson County, MO, Pettis County, MO
The radar
The Pleasant Hill radar (KEAX), 36 km from the middle of the area, began a volume at 19:34 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, 7.6 hours before the alert went out and 145 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
- 247 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 653 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
483
WGUS53 KEAX 301933
FFWEAX
KSC107-121-MOC013-037-083-101-159-302330-
/O.NEW.KEAX.FF.W.0029.210630T1933Z-210630T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
233 PM CDT Wed Jun 30 2021
The National Weather Service in Pleasant Hill MO has issued a
* Flash Flood Warning for...
Linn KS County in east central Kansas...
Southeastern Miami County in east central Kansas...
Western Pettis County in central Missouri...
Northern Bates County in west central Missouri...
Southern Cass County in west central Missouri...
Northern Henry County in west central Missouri...
Southern Johnson MO County in west central Missouri...
* Until 630 PM CDT.
* At 233 PM CDT, Doppler radar indicated heavy rain across the
warned area. Between 1 and 2.5 inches of rain have fallen. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
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...
Clinton, Butler, Windsor, Knob Noster, Adrian, Garden City,
Pleasanton, La Cygne, Mound City, Whiteman Air Force Base, Archie,
La Monte, Drexel, Linn Valley, Leeton, Urich, Green Ridge,
Calhoun, Creighton and Chilhowee.
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 3843 9462 3849 9462 3848 9447 3878 9350
3883 9349 3888 9332 3851 9334 3851 9351
3844 9351 3804 9508 3830 9506
FLASH FLOOD...RADAR INDICATED
$$
PP1 follow-up statement
527
WGUS73 KEAX 302321
FFSEAX
Flash Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
621 PM CDT Wed Jun 30 2021
KSC107-121-MOC013-037-083-101-159-302331-
/O.EXP.KEAX.FF.W.0029.000000T0000Z-210630T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Linn KS KS-Miami KS-Bates MO-Cass MO-Henry MO-Johnson MO MO-
Pettis MO-
621 PM CDT Wed Jun 30 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 630 PM CDT THIS EVENING FOR
LINN KS, SOUTHEASTERN MIAMI, WESTERN PETTIS, NORTHERN BATES,
SOUTHERN CASS, NORTHERN HENRY AND SOUTHERN JOHNSON MO COUNTIES...
Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 700 AM CDT Thursday for
Portions of east central Kansas. Portions of Missouri.
A Flash Flood Watch remains in effect until 700 AM CDT Thursday for
A portion of east central Kansas.
LAT...LON 3843 9462 3849 9462 3848 9447 3878 9350
3883 9349 3888 9332 3851 9334 3851 9351
3844 9351 3804 9508 3830 9506
$$
AtkinsThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:38 AM CDT | Flash Flood Warning | EAX | Johnson, Leavenworth, Wyandotte | 4 hr |
| Jun 30, 9:06 AM CDT | River Flood Warning | EAX | Miami | 3 days |
| Jun 30, 9:06 AM CDT | River Flood Warning | EAX | Linn | 4 days |
| Jun 30, 9:06 AM CDT | River Flood Warning | EAX | Linn | 59 hr |
| Jun 30, 12:04 PM CDT | Flash Flood Warning | EAX | Linn, Miami | 4 hr |
| Jun 30, 12:22 PM CDT | Areal Flood Warning | EAX | Leavenworth, Wyandotte | 18 hr |
| Jun 30, 3:54 PM CDT | Areal Flood Warning | EAX | Linn, Miami | 14 hr |
| Jun 30, 10:28 AM CDT | River Flood Warning | EAX | Carroll, Lafayette, Saline | 40 hr |
| Jun 30, 11:06 AM CDT | River Flood Warning | EAX | Jackson | 3 hr |
| Jun 30, 11:06 AM CDT | River Flood Warning | EAX | Clay, Ray | 9 hr |
| Jun 30, 12:50 PM CDT | River Flood Warning | EAX | Linn, Livingston | 34 hr |
| Jun 30, 2:12 PM CDT | River Flood Warning | EAX | Jackson | 6 hr |
| Jun 30, 2:56 PM CDT | Special Weather Statement | EAX | Bates | 49 min |
| Jun 30, 4:15 PM CDT | River Flood Warning | EAX | Jackson, Lafayette, Ray | 49 hr |
| Jun 30, 4:50 PM CDT | Flash Flood Warning | EAX | Andrew, Daviess, DeKalb, Gentry, Grundy, Harrison and 5 more | 4 hr |
Nearby
Flash Flood Warnings in Missouri, 2021Flash 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.