Alert archive / Missouri / Flash Flood Watches in 2019
Flash Flood Watch 16, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood watch at Sep 27, 2019, 3:06 PM CDT for 22 counties in Missouri; 5 counties in Kansas. It took effect at Sep 27, 2019, 7:00 PM CDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Sep 27, 2019, 3:06 PM CDT (20:06 UTC)
- In effect from
- Sep 27, 2019, 7:00 PM CDT
- Expired
- Sep 28, 2019, 5:34 AM CDT
- In force
- 11 hr
- Issued by
- NWS Kansas City, MO
- Flood severity
- None
All 27 counties
Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Wyandotte County, KS, Adair County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Jackson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 97 km from the middle of the area, began a volume at 20:07 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, 8.1 hours before the alert went out and 168 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
- 1169 J/kg
- Mixed-layer CIN
- -400 J/kg
- Mixed-layer LCL
- 932 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 540 m²/s²
- 0-3 km storm-relative helicity
- 656 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Kansas City, MO wrote its last area forecast discussion before this flash flood watch went out at Sep 27, 12:42 PM CDT, 2 hours 24 minutes earlier.
Area forecast discussion, Sep 27, 12:42 PM CDT, 2 hours 24 minutes before
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</html>Hazardous weather outlook, Sep 27, 4:34 AM CDT, 10 hours 32 minutes before
Hazardous Weather Outlook National Weather Service Kansas City/Pleasant Hill MO 434 AM CDT Fri Sep 27 2019 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-280945- Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS- Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler- Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton- Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton- Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis- Cooper-Bates-Henry- 434 AM CDT Fri Sep 27 2019 This hazardous weather outlook is for northwest...north central and west central Missouri...as well as extreme eastern Kansas. .DAY ONE...Today and Tonight Severe storms are possible across the area this afternoon and evening along and behind a cold front. Hazards include the potential for strong winds and large hail. More detailed information can be accessed at... https://www.weather.gov/eax/hwo .DAYS TWO THROUGH SEVEN...Saturday through Thursday Isolated flash flooding is possible by Saturday morning, with additional severe storm chances possible Saturday afternoon and evening along a stalled frontal boundary. Hazards include the potential for strong winds and large hail, with continued flash flooding potential. More detailed information can be accessed at... https://www.weather.gov/eax/hwo
In the hours before
Special weather statement, Sep 27, 10:42 AM CDT, 4 hours 24 minutes before
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</html>The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 5:55 AM CDT | Special Weather Statement | EAX | Randolph | 35 min |
| Sep 27, 6:01 AM CDT | Special Weather Statement | EAX | Saline | 44 min |
| Sep 27, 6:43 AM CDT | Special Weather Statement | EAX | Chariton | 47 min |
| Sep 27, 10:42 AM CDT | Special Weather Statement | EAX | Adair | 33 min |
| Sep 27, 5:29 PM CDT | Special Weather Statement | EAX | Adair | 16 min |
| Sep 27, 5:53 PM CDT | Special Weather Statement | EAX | Adair | 37 min |
| Sep 27, 5:57 PM CDT | Severe Thunderstorm Warning | EAX | Adair | 33 min |
| Sep 27, 6:11 PM CDT | Special Weather Statement | EAX | Platte | 34 min |
| Sep 27, 6:17 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Platte | 43 min |
| Sep 27, 6:35 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Macon | 25 min |
| Sep 27, 6:40 PM CDT | Severe Thunderstorm Warning | EAX | Harrison, Mercer | 35 min |
| Sep 27, 6:47 PM CDT | Flash Flood Warning | EAX | Clay, Clinton, Platte | 3 hr |
| Sep 27, 6:59 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Clinton, Platte | 46 min |
| Sep 27, 6:24 PM CDT | Special Weather Statement | EAX | Leavenworth | 21 min |
Nearby
Flash Flood Watches in Missouri, 2019Flash Flood Watches in Kansas, 2019Every flash flood watch in 2019
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.