Alert archive / Kansas / Flash Flood Warnings in 2011
Flash Flood Warning 15, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at Aug 7, 2011, 10:48 PM CDT for 4 counties in Kansas. It was in force for 3 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
- Aug 7, 2011, 10:48 PM CDT (03:48 UTC)
- Expired
- Aug 8, 2011, 1:19 AM CDT
- In force
- 3 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, KS, Cloud County, KS, Dickinson County, KS, Ottawa County, KS
The radar
The Topeka radar (KTWX), 115 km from the middle of the area, began a volume at 03:48 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 |
|---|---|---|---|
| Aug 7, 11:22 PM CDT | FLASH FLOOD | Minneapolis, KS | ALL STREETS IN MINNEAPOLIS ARE FLOODED. |
| Aug 8, 12:22 AM CDT | HEAVY RAIN 1.2 | 7 N Moonlight, 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 00:00Z, 3.8 hours before the alert went out and 165 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
- 120 J/kg
- Mixed-layer CIN
- -474 J/kg
- Mixed-layer LCL
- 2544 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 256 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
973 WGUS53 KTOP 080348 FFWTOP KSC027-029-041-143-080645- /O.NEW.KTOP.FF.W.0015.110808T0348Z-110808T0645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TOPEKA KS 1048 PM CDT SUN AUG 7 2011 THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN DICKINSON COUNTY IN CENTRAL KANSAS... SOUTHERN CLAY COUNTY IN NORTH CENTRAL KANSAS... SOUTHERN CLOUD COUNTY IN NORTH CENTRAL KANSAS... OTTAWA COUNTY IN NORTH CENTRAL KANSAS... * UNTIL 145 AM CDT * AT 1043 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS IMPACTED INCLUDE... ADA... BENNINGTON... CHAPMAN... CULVER... DELPHOS... GLASCO... LONGFORD... MANCHESTER... MILTONVALE... MINNEAPOLIS... MOONLIGHT... OAK HILL... TALMAGE... TESCOTT... WAKEFIELD... WELLS... NILES... THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 282 AND 289. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. MOVE TO HIGHER GROUND...AWAY FROM RISING WATER. ADDITIONAL THUNDERSTORMS IN NORTH CENTRAL KANSAS WILL BRING AMOUNTS OF 1 TO 3 MORE INCHES TO THE WARNED AREA. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST INFORMATION CONCERNING THE SEVERE WEATHER. && LAT...LON 3945 9792 3925 9696 3896 9696 3896 9793 $$ LEIGHTON
2 follow-up statements
563 WGUS73 KTOP 080438 FFSTOP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 1138 PM CDT SUN AUG 7 2011 KSC027-029-041-143-080645- /O.CON.KTOP.FF.W.0015.000000T0000Z-110808T0645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OTTAWA-CLAY-CLOUD-DICKINSON- 1138 PM CDT SUN AUG 7 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR NORTHERN DICKINSON...SOUTHERN CLOUD...SOUTHERN CLAY AND OTTAWA COUNTIES... AT 1122 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING IN MINNEAPOLIS. EXPECT ANOTHER 1 TO 2 INCHES OF RAIN FROM THE LINE OF THUNDERSTORMS ACROSS SOUTHERN OTTAWA AND NORTHERN DICKINSON COUNTIES. LOCATIONS IMPACTED INCLUDE... ADA...BENNINGTON...CHAPMAN...CULVER...DELPHOS...GLASCO...LONGFORD... MANCHESTER...MILTONVALE...MINNEAPOLIS...MOONLIGHT...OAK HILL... TALMAGE...TESCOTT...WAKEFIELD...WELLS AND NILES. THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 282 AND 289. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. MOVE TO HIGHER GROUND...AWAY FROM RISING WATER. && LAT...LON 3945 9792 3925 9696 3896 9696 3896 9793 $$
936 WGUS73 KTOP 080619 FFSTOP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 119 AM CDT MON AUG 8 2011 KSC027-029-041-143-080629- /O.CAN.KTOP.FF.W.0015.000000T0000Z-110808T0645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OTTAWA-CLAY-CLOUD-DICKINSON- 119 AM CDT MON AUG 8 2011 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN DICKINSON...SOUTHERN CLOUD...SOUTHERN CLAY AND OTTAWA COUNTIES... THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 282 AND 289. AT 119 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE VERY HEAVY RAIN HAS ENDED...AND THE POSSIBILITY FOR FLASH FLOODING WILL CONTINUE TO DECREASE. EMERGENCY MANAGEMENT HAS ALSO REPORTED THAT ONGOING FLOODING HAS SUBSIDED. THEREFORE THE FLASH FLOOD WARNING IS NO LONGER IN EFFECT. LAT...LON 3945 9792 3925 9696 3896 9696 3896 9793 $$ LEIGHTON
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 10:09 PM CDT | Special Weather Statement | TOP | Geary | 36 min |
| Aug 7, 10:26 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Pottawatomie, Riley | 49 min |
| Aug 7, 10:31 PM CDT | Special Weather Statement | TOP | Ottawa | 29 min |
| Aug 7, 10:42 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Cloud, Dickinson, Geary, Ottawa | 48 min |
| Aug 7, 10:54 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage, Wabaunsee | 51 min |
| Aug 7, 11:04 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Wabaunsee | 26 min |
| Aug 7, 11:21 PM CDT | Flash Flood Warning | TOP | Dickinson, Geary, Riley, Wabaunsee | 114 min |
| Aug 7, 11:23 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson, Geary, Morris | 42 min |
| Aug 7, 11:28 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Morris, Riley, Wabaunsee | 47 min |
| Aug 7, 11:42 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage, Shawnee, Wabaunsee | 48 min |
| Aug 7, 11:51 PM CDT | Flash Flood Warning | TOP | Osage, Shawnee, Wabaunsee | 114 min |
| Aug 8, 12:12 AM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage, Wabaunsee | 33 min |
| Aug 8, 12:13 AM CDT | Flash Flood Warning | TOP | Geary, Lyon, Morris, Wabaunsee | 90 min |
| Aug 8, 12:36 AM CDT | Severe Thunderstorm Warning | TOP | Anderson, Coffey, Franklin, Osage | 54 min |
| Aug 8, 1:39 AM CDT | Special Weather Statement | TOP | Republic | 36 min |
| Aug 8, 1:58 AM CDT | Areal Flood Advisory | TOP | Republic, Washington | 62 min |
| Aug 8, 4:24 AM CDT | Special Weather Statement | TOP | Republic | 36 min |
| Aug 8, 4:46 AM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 29 min |
| Aug 8, 5:09 AM CDT | Special Weather Statement | TOP | Washington | 36 min |
| Aug 8, 5:41 AM CDT | Special Weather Statement | TOP | Pottawatomie | 34 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.