Alert archive / Kansas / Flash Flood Warnings in 2011
Flash Flood Warning 2, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at May 20, 2011, 12:53 AM CDT for Cloud County, Ottawa County, Kansas. It was in force for 7 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
- May 20, 2011, 12:53 AM CDT (05:53 UTC)
- Expired
- May 20, 2011, 7:45 AM CDT
- In force
- 7 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cloud County, KS, Ottawa County, KS
The radar
The Grand Island radar (KUEX), 118 km from the middle of the area, began a volume at 05:53 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 20, 1:39 AM CDT | FLASH FLOOD | 8 Sw Aurora, KS | WATER FLOWING OVER ROAD NEAR 150TH AND CAMP ROAD ABOUT 2 FEET DEEP. |
| May 20, 4:56 AM CDT | HEAVY RAIN 2.99 | W Clyde, KS | SINCE 7 AM THURSDAY. |
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, 5.9 hours before the alert went out and 184 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
- 36 J/kg
- Mixed-layer CIN
- -338 J/kg
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 301 m²/s²
- 0-3 km storm-relative helicity
- 355 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.5
The text
As transmitted, in the capitals the NWS used until 2016.
386 WGUS53 KTOP 200553 FFWTOP KSC029-143-200945- /O.NEW.KTOP.FF.W.0002.110520T0553Z-110520T0945Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TOPEKA KS 1253 AM CDT FRI MAY 20 2011 THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A * FLASH FLOOD WARNING FOR... CLOUD COUNTY IN NORTH CENTRAL KANSAS... NORTHWESTERN OTTAWA COUNTY IN NORTH CENTRAL KANSAS... * UNTIL 445 AM CDT * AT 1246 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS EARLIER IN THE EVENING DROPPED 2 TO 3 INCHES OF RAIN OVER NORTHERN OTTAWA AND SOUTHERN CLOUD COUNTIES. THIS RAINFALL HAS SATURATED THE GROUND AND SHERIFF OFFICERS REPORT THAT PONDING OF WATER HAD ALREADY DEVELOPED FROM THE EARLIER STORMS. ADDITIONAL STORMS WITH HEAVY RAINFALL WILL MOVE BACK ACROSS THESE AREAS AND COULD CAUSE FLASH FLOODING OF CREEKS AND STREAMS THROUGH THE EARLY MORNING. * LOCATIONS IMPACTED INCLUDE... ADA... AURORA... CLYDE... CONCORDIA... DELPHOS... GLASCO... JAMESTOWN... MILTONVALE... MINNEAPOLIS... TESCOTT... WELLS... 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. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST INFORMATION CONCERNING THE SEVERE WEATHER. && LAT...LON 3965 9794 3965 9737 3920 9737 3896 9793 $$
3 follow-up statements
468 WGUS73 KTOP 200745 FFSTOP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 245 AM CDT FRI MAY 20 2011 KSC029-143-200945- /O.CON.KTOP.FF.W.0002.000000T0000Z-110520T0945Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OTTAWA-CLOUD- 245 AM CDT FRI MAY 20 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR CLOUD AND NORTHWESTERN OTTAWA COUNTIES... AT 233 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS IN CLOUD COUNTY REPORTED FLASH FLOODING NEAR 150TH AND CAMP ROAD. THE WATER WAS OCCURRING FROM THE WEST BRANCH OF PIPE CREEK. THE WATER WAS 2 FEET DEEP FLOWING OVER THE ROAD AND ALSO OVER THE BRIDGE ON CAMP ROAD. ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL WILL MOVE OVER THE WARNED AREA THROUGH 4 AM. AN ADDITIONAL ONE HALF TO ONE INCH OF RAINFALL IS POSSIBLE. LOCATIONS IMPACTED INCLUDE... ADA...AURORA...CLYDE...CONCORDIA...DELPHOS...GLASCO...JAMESTOWN... MILTONVALE...MINNEAPOLIS...TESCOTT AND WELLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD. && LAT...LON 3965 9794 3965 9737 3920 9737 3896 9793 $$
407 WGUS53 KTOP 200930 FFWTOP KSC029-143-201245- /O.EXT.KTOP.FF.W.0002.000000T0000Z-110520T1245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TOPEKA KS 430 AM CDT FRI MAY 20 2011 THE NATIONAL WEATHER SERVICE IN TOPEKA HAS EXTENDED THE * FLASH FLOOD WARNING FOR... CLOUD COUNTY IN NORTH CENTRAL KANSAS... NORTHWESTERN OTTAWA COUNTY IN NORTH CENTRAL KANSAS... * UNTIL 745 AM CDT * AT 430 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT ADDITIONAL SHOWERS AND THUNDERSTORMS WILL MOVE THROUGH THE WARNED AREA. ADDITIONAL RAINFALL OF UP TO AN INCH IS POSSIBLE WHICH WILL CAUSE FLASH FLOODING OF SMALL CREEKS. FLOODING ALONG THE WEST BRANCH OF PIPE CREEK IN SOUTHERN CLOUD COUNTY NEAR 150TH AND CAMP ROADS WAS LIKELY STILL OCCURRING. * LOCATIONS IMPACTED INCLUDE... ADA... AURORA... CLYDE... CONCORDIA... DELPHOS... GLASCO... JAMESTOWN... MILTONVALE... MINNEAPOLIS... TESCOTT... WELLS... PRECAUTIONARY/PREPAREDNESS ACTIONS... RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD. && LAT...LON 3965 9794 3965 9737 3920 9737 3896 9793 $$
367 WGUS73 KTOP 201144 FFSTOP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 644 AM CDT FRI MAY 20 2011 KSC029-143-201245- /O.CON.KTOP.FF.W.0002.000000T0000Z-110520T1245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OTTAWA-CLOUD- 644 AM CDT FRI MAY 20 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR CLOUD AND NORTHWESTERN OTTAWA COUNTIES... AT 639 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SHOWERS AND A FEW THUNDERSTORMS PRODUCING RAIN OVER THE WARNED AREA. AREA CREEKS IN THE WARNED AREA MAY STILL BE FLOODING ESPECIALLY ACROSS SOUTHERN CLOUD COUNTY. LOCATIONS IMPACTED INCLUDE... ADA...AURORA...CLYDE...CONCORDIA...DELPHOS...GLASCO...JAMESTOWN... MILTONVALE...MINNEAPOLIS...TESCOTT AND WELLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD. && LAT...LON 3965 9794 3965 9737 3920 9737 3896 9793 $$
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:05 PM CDT | Special Weather Statement | TOP | Republic | 25 min |
| May 19, 7:13 PM CDT | Special Weather Statement | TOP | Cloud | 32 min |
| May 19, 7:18 PM CDT | Severe Thunderstorm Warning | TOP | Ottawa | 16 min |
| May 19, 7:39 PM CDT | Severe Thunderstorm Warning | TOP | Ottawa | 36 min |
| May 19, 7:44 PM CDT | Areal Flood Advisory | TOP | Cloud | 3 hr |
| May 19, 8:10 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Ottawa | 50 min |
| May 19, 8:48 PM CDT | Tornado Warning | TOP | Clay, Cloud | 27 min |
| May 19, 9:10 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Cloud, Republic, Washington | 51 min |
| May 19, 10:00 PM CDT | Special Weather Statement | TOP | Washington | 15 min |
| May 20, 12:06 AM CDT | Special Weather Statement | TOP | Cloud | 39 min |
| May 20, 12:47 AM CDT | Special Weather Statement | TOP | Cloud, Ottawa | 43 min |
| May 20, 1:51 AM CDT | Special Weather Statement | TOP | Washington | 39 min |
| May 20, 2:16 AM CDT | River Flood Warning | TOP | Ottawa | 5 days |
| May 20, 7:45 AM CDT | Areal Flood Warning | TOP | Cloud, Ottawa | 5 hr |
| May 20, 7:51 AM CDT | Areal Flood Advisory | TOP | Republic, Washington | 114 min |
| May 20, 9:10 AM CDT | Areal Flood Advisory | TOP | Anderson | 3 hr |
| May 20, 9:27 AM CDT | River Flood Warning | TOP | Dickinson, Ottawa, Saline | 65 hr |
| May 20, 9:31 AM CDT | River Flood Warning | TOP | Ottawa, Saline | 68 hr |
| May 20, 9:43 AM CDT | River Flood Warning | TOP | Clay | 58 hr |
| May 20, 9:48 AM CDT | Areal Flood Warning | TOP | Republic, Washington | 3 hr |
| May 20, 12:42 PM CDT | Areal Flood Advisory | TOP | Cloud, Ottawa, Republic, Washington | 3 hr |
| May 20, 2:18 PM CDT | River Flood Warning | TOP | Marshall | 68 hr |
| May 20, 6:43 PM CDT | Areal Flood Advisory | TOP | Republic | 2 hr |
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.