Alert archive / Kansas / Flash Flood Warnings in 2011
Flash Flood Warning 4, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at Jun 1, 2011, 5:36 PM CDT for Nemaha County, Kansas. It was in force for 4 hr. 2 reports 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
- Jun 1, 2011, 5:36 PM CDT (22:36 UTC)
- Expired
- Jun 1, 2011, 9:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Flood severity
- None
County Nemaha County, KS
The radar
The Topeka radar (KTWX), 89 km from the middle of the area, began a volume at 22:36 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 |
|---|---|---|---|
| Jun 1, 5:41 PM CDT | FLASH FLOOD | Sw Seneca, KS | WATER COVERING K187 HIGHWAY. HIGHWAY IS NOT CLOSED BUT DEPUTIES ARE ON THE SCENE DIRECTING TRAFFIC. |
| Jun 1, 6:28 PM CDT | HEAVY RAIN 1 | 4 Wsw Woodlawn, KS | STORM TOTAL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 10.6 hours before the alert went out and 88 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2267 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
185 WGUS53 KTOP 012236 FFWTOP KSC131-020230- /O.NEW.KTOP.FF.W.0004.110601T2236Z-110602T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TOPEKA KS 536 PM CDT WED JUN 1 2011 THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN NEMAHA COUNTY IN NORTHEAST KANSAS... * UNTIL 930 PM CDT * AT 525 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED RAIN FALLING AT NEARLY TWO INCHES PER HOUR OVER SOUTHERN NEMAHA COUNTY. ADDITIONAL THUNDERSTORMS WITH VERY HEAVY RAIN WILL CONTINUE THROUGH 630 PM AND ARE EXPECTED TO CAUSE FLASH FLOODING. * LOCATIONS IMPACTED INCLUDE... CENTRALIA... CORNING... GOFF... ONEIDA... SENECA... WETMORE... WOODLAWN... PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST INFORMATION CONCERNING THE SEVERE WEATHER. && LAT...LON 3987 9579 3958 9579 3961 9612 3988 9619 $$
2 follow-up statements
469 WGUS73 KTOP 012325 FFSTOP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 625 PM CDT WED JUN 1 2011 KSC131-020230- /O.CON.KTOP.FF.W.0004.000000T0000Z-110602T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEMAHA- 625 PM CDT WED JUN 1 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR SOUTHERN NEMAHA COUNTY... AT 541 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WATER FLOWING RAPIDLY ACROSS HIGHWAY K 187 SOUTH OF SENECA. RADAR ESTIMATED THAT 1.5 TO 2.5 INCHES OF RAIN HAD FALLEN ACROSS PORTIONS OF THE SOUTHERN HALF OF NEMAHA COUNTY IN ABOUT AN HOURS TIME. THIS SHOULD CAUSE FLASH FLOODING OF STREAMS AND LOW SPOTS IN ROADS. LOCATIONS IMPACTED INCLUDE... CENTRALIA...CORNING...GOFF AND WETMORE. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. && LAT...LON 3981 9616 3977 9579 3958 9579 3961 9612 $$
707 WGUS73 KTOP 020044 FFSTOP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 744 PM CDT WED JUN 1 2011 KSC131-020054- /O.CAN.KTOP.FF.W.0004.000000T0000Z-110602T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEMAHA- 744 PM CDT WED JUN 1 2011 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN NEMAHA COUNTY... AT 744 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE VERY HEAVY RAIN HAS ENDED ACROSS SOUTHERN NEMAHA COUNTY. LOCAL LAW ENFORCEMENT ALSO REPORTS THAT THE FLASH FLOODING IS NO LONGER OCCURRING AND RUNOFF FROM THE THUNDERSTORMS CONTINUES TO RECEDE. THEREFORE THE FLASH FLOOD WARNING IS NO LONGER IN EFFECT. LAT...LON 3981 9616 3977 9579 3958 9579 3961 9612 $$
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 10:25 AM CDT | Special Weather Statement | TOP | Ottawa | 35 min |
| Jun 1, 10:38 AM CDT | Severe Thunderstorm Warning | TOP | Cloud, Ottawa | 37 min |
| Jun 1, 1:36 PM CDT | Areal Flood Advisory | TOP | Clay | 54 min |
| Jun 1, 2:40 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Nemaha, Pottawatomie | 50 min |
| Jun 1, 3:18 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Nemaha, Pottawatomie | 42 min |
| Jun 1, 3:44 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Pottawatomie, Shawnee | 46 min |
| Jun 1, 3:48 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage | 42 min |
| Jun 1, 3:56 PM CDT | Special Weather Statement | TOP | Lyon | 34 min |
| Jun 1, 4:23 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Shawnee | 37 min |
| Jun 1, 4:26 PM CDT | Flash Flood Warning | TOP | Marshall, Nemaha | 2 hr |
| Jun 1, 4:40 PM CDT | Special Weather Statement | TOP | Osage | 35 min |
| Jun 1, 4:48 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson, Shawnee | 42 min |
| Jun 1, 4:54 PM CDT | Severe Thunderstorm Warning | TOP | Brown, Nemaha | 39 min |
| Jun 1, 5:24 PM CDT | Severe Thunderstorm Warning | TOP | Brown, Jackson, Nemaha | 51 min |
| Jun 1, 5:47 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 43 min |
| Jun 1, 6:02 PM CDT | Areal Flood Advisory | TOP | Jefferson | 58 min |
| Jun 1, 6:20 PM CDT | Special Weather Statement | TOP | Pottawatomie | 25 min |
| Jun 1, 6:36 PM CDT | River Flood Warning | TOP | Marshall | 35 hr |
| Jun 1, 6:55 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic, Washington | 50 min |
Nearby
Flash Flood Warnings in Kansas, 2011Every flash flood warning in 2011
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.