Alert archive / Kansas / Flash Flood Warnings in 2017
Flash Flood Warning 4, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at May 19, 2017, 9:16 PM CDT for Lyon County, Morris County, Wabaunsee County, Kansas. It was in force for 4 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
- May 19, 2017, 9:16 PM CDT (02:16 UTC)
- Expired
- May 20, 2017, 1:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lyon County, KS, Morris County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 42 km from the middle of the area, began a volume at 02:16 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 |
|---|---|---|---|
| May 19, 9:48 PM CDT | FLASH FLOOD | Dunlap, KS | DUNLAP ROAD CLOSED DUE TO FLASH FLOODING. |
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, 2.3 hours before the alert went out and 78 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
- 229 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 505 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 482 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted.
746 WGUS53 KTOP 200216 FFWTOP KSC111-127-197-200615- /O.NEW.KTOP.FF.W.0004.170520T0216Z-170520T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Topeka KS 916 PM CDT FRI MAY 19 2017 The National Weather Service in Topeka has issued a * Flash Flood Warning for... Southeastern Morris County in east central Kansas... South central Wabaunsee County in east central Kansas... Northwestern Lyon County in east central Kansas... * Until 115 AM CDT * At 915 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. A storm spotter 3 miles west of Bushong reported 1.6 inches of rain fell in 15 minutes from the earlier thunderstorms. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Council Grove, Bushong and Dunlap. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3852 9668 3885 9631 3885 9611 3852 9633 $$
1 follow-up statement
292 WGUS73 KTOP 200624 FFSTOP Flash Flood Statement National Weather Service Topeka KS 124 AM CDT SAT MAY 20 2017 KSC111-127-197-200634- /O.EXP.KTOP.FF.W.0004.000000T0000Z-170520T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Morris-Wabaunsee-Lyon- 124 AM CDT SAT MAY 20 2017 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN MORRIS...SOUTH CENTRAL WABAUNSEE AND NORTHWESTERN LYON COUNTIES HAS EXPIRED... Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 3852 9668 3885 9631 3885 9611 3852 9633 $$ Gargan
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:56 PM CDT | Special Weather Statement | TOP | Morris | 34 min |
| May 19, 8:01 PM CDT | Tornado Warning | TOP | Morris | 29 min |
| May 19, 8:27 PM CDT | Tornado Warning | TOP | Lyon | 33 min |
| May 19, 9:45 PM CDT | Special Weather Statement | TOP | Osage | 30 min |
| May 19, 9:47 PM CDT | River Flood Warning | TOP | Ottawa | 8 days |
| May 19, 9:47 PM CDT | River Flood Warning | TOP | Clay | 5 days |
| May 19, 9:52 PM CDT | River Flood Warning | TOP | Washington | 46 hr |
| May 19, 10:14 PM CDT | Areal Flood Advisory | TOP | Jefferson, Shawnee | 3 hr |
| May 19, 10:33 PM CDT | River Flood Warning | TOP | Cloud | 56 hr |
| May 19, 11:02 PM CDT | River Flood Warning | TOP | Marshall | 5 days |
| May 20, 4:03 AM CDT | River Flood Warning | TOP | Lyon | 54 hr |
| May 20, 8:47 AM CDT | River Flood Warning | TOP | Clay | 32 hr |
| May 20, 9:03 AM CDT | River Flood Warning | TOP | Marshall | 54 hr |
| May 20, 9:27 AM CDT | River Flood Warning | TOP | Ottawa, Saline | 67 hr |
| May 20, 9:27 AM CDT | River Flood Warning | TOP | Dickinson, Ottawa, Saline | 4 days |
| May 20, 9:38 AM CDT | River Flood Warning | TOP | Cloud | 49 hr |
| May 20, 9:38 AM CDT | River Flood Warning | TOP | Marshall | 17 hr |
Nearby
Flash Flood Warnings in Kansas, 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.