Alert archive / Kansas / Flash Flood Watches in 2019
Flash Flood Watch 4, NWS Topeka, KS
NWS Topeka, KS issued this flash flood watch at May 22, 2019, 3:24 AM CDT for 23 counties in Kansas. It took effect at May 22, 2019, 7:00 PM CDT. It was in force for 5 days.
The area
The counties it named.
The facts
- Issued
- May 22, 2019, 3:24 AM CDT (08:24 UTC)
- In effect from
- May 22, 2019, 7:00 PM CDT
- Expired
- May 27, 2019, 7:00 AM CDT
- In force
- 5 days
- Issued by
- NWS Topeka, KS
- Flood severity
- None
All 23 counties
Anderson County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Lyon County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 16 km from the middle of the area, began a volume at 08:24 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 00:00Z, 8.4 hours before the alert went out and 61 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
- 808 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1090 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.0
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 Topeka, KS wrote its last area forecast discussion before this flash flood watch went out at May 22, 3:21 AM CDT, 3 minutes earlier.
Area forecast discussion, May 22, 3:21 AM CDT, 3 minutes before
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</html>Hazardous weather outlook, May 21, 7:07 PM CDT, 8 hours 17 minutes before
Hazardous Weather Outlook National Weather Service Topeka KS 707 PM CDT Tue May 21 2019 KSZ008>012-020>024-026-034>040-054>056-058-059-230015- Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley- Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris- Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson- 707 PM CDT Tue May 21 2019 This hazardous weather outlook is for east central...north central and northeast Kansas. .DAY ONE...Tonight. Scattered thunderstorms continue for the next few hours mainly over north central and northeastern Kansas and should exit the area by mid evening. Large hail is the primary hazard, with some damaging winds and a few tornadoes also possible. River flooding will continue this evening and tonight. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday evening thunderstorms may bring another chance for severe weather, with another threat for severe storms Thursday into Thursday night. River flooding is expected to continue through much of the week. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight. && More detailed information can be accessed at... http://www.weather.gov/top/sitrep
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:00 PM CDT | Tornado Warning | TOP | Marshall, Nemaha | 30 min |
| May 21, 7:05 PM CDT | Tornado Warning | TOP | Nemaha | 25 min |
| May 21, 7:07 PM CDT | Tornado Warning | TOP | Brown, Jackson | 23 min |
| May 21, 7:31 PM CDT | Special Weather Statement | TOP | Brown | 14 min |
| May 21, 9:39 PM CDT | Areal Flood Warning | TOP | Clay, Dickinson, Geary, Marshall, Ottawa, Pottawatomie and 2 more | 3 hr |
| May 22, 12:20 PM CDT | River Flood Warning | TOP | Geary | 28 hr |
| May 22, 4:34 PM CDT | Special Weather Statement | TOP | Anderson | 26 min |
| May 22, 5:34 PM CDT | Special Weather Statement | TOP | Anderson | 26 min |
| May 22, 5:54 PM CDT | Special Weather Statement | TOP | Anderson | 36 min |
| May 22, 5:58 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Franklin | 26 min |
Nearby
Flash 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.