Alert archive / Missouri / Flash Flood Warnings in 2012
Flash Flood Warning 7, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at May 25, 2012, 9:12 AM CDT for Johnson County, Kansas; Cass County, Jackson County, Missouri. It was in force for 6 hr. 7 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 25, 2012, 9:12 AM CDT (14:12 UTC)
- Expired
- May 25, 2012, 3:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Johnson County, KS, Cass County, MO, Jackson County, MO
The radar
The Pleasant Hill radar (KEAX), 20 km from the middle of the area, began a volume at 14:14 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 25, 9:20 AM CDT | FLASH FLOOD | Lees Summit, MO | HIGHWAY 150 AT HARBOR DRIVE AND HIGHWAY 150 AT HIGHWAY 291 CLOSING DUE TO FLOODING ON ROADS. |
| May 25, 10:00 AM CDT | HEAVY RAIN 3.57 | Pleasant Hill, MO | STORM TOTAL BETWEEN 8 PM AND 10 AM. |
| May 25, 10:00 AM CDT | HEAVY RAIN 3.86 | Stanley, KS | MISSION RD. AT NEGRO CREEK. STORM TOTAL ENDING AT 10 AM. |
| May 25, 10:00 AM CDT | HEAVY RAIN 4.17 | 3 Sw Grandview, MO | STORMWATCH RAIN GAUGE AT 150 HIGHWAY AND PROSPECT. STORM TOTAL ENDING AT 10 AM. |
| May 25, 10:00 AM CDT | HEAVY RAIN 5.6 | Greenwood, MO | MEASURED BY RETIRED NWS EMPLOYEE. STORM TOTAL SINCE 8 PM. 4.80 INCHES SINCE 6 AM. |
| May 25, 10:16 AM CDT | HEAVY RAIN 4.8 | 2 N Pleasant Hill, MO | STORM TOTAL SINCE 8 PM. 3.50 INCHES SINCE 7 AM ENDING AT 10 AM. |
| May 25, 11:40 AM CDT | FLASH FLOOD | 1 Ese Pleasant Hill, MO | 1 FOOT OF WATER FLOWING ACROSS COUNTRY CLUB DRIVE NEAR ITS INTERSECTION WITH MURRAY ROAD. |
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, 2.2 hours before the alert went out and 102 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
- 1048 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -81 m²/s²
- 0-3 km storm-relative helicity
- 284 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.6
The text
As transmitted, in the capitals the NWS used until 2016.
697 WGUS53 KEAX 251412 FFWEAX KSC091-MOC037-095-252000- /O.NEW.KEAX.FF.W.0007.120525T1412Z-120525T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 912 AM CDT FRI MAY 25 2012 THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL JOHNSON COUNTY IN EAST CENTRAL KANSAS... NORTHERN CASS COUNTY IN WEST CENTRAL MISSOURI... SOUTHERN JACKSON COUNTY IN WEST CENTRAL MISSOURI... * UNTIL 300 PM CDT * AT 911 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR HAS ESTIMATED 3 TO 4 INCHES OF RAINFALL WITH SEVERAL ROUNDS OF THUNDERSTORMS THIS MORNING. SEVERAL GAGES AND SPOTTER REPORTS INDICATE SIMILAR RAINFALL AMOUNTS. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... BELTON...GRANDVIEW...GREENWOOD...LAKE LOTAWANA...LEE'S SUMMIT... PLEASANT HILL...RAYMORE...LAKE WINNEBAGO AND LONE JACK. THIS WILL IMPACT THE FOLLOWING INTERSTATES... I-435 LOOP FROM MILE MARKERS 71 TO 80. I-470 BETWEEN MILE MARKERS 0 AND 11. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. && LAT...LON 3893 9472 3900 9411 3877 9412 3875 9470 $$ CDB
2 follow-up statements
368 WGUS73 KEAX 251428 FFSEAX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 928 AM CDT FRI MAY 25 2012 KSC091-MOC037-095-252000- /O.CON.KEAX.FF.W.0007.000000T0000Z-120525T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JOHNSON KS-CASS MO-JACKSON MO- 928 AM CDT FRI MAY 25 2012 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN JOHNSON COUNTY IN EAST CENTRAL KANSAS...AND SOUTHERN JACKSON AND NORTHERN CASS COUNTIES IN WEST CENTRAL MISSOURI UNTIL 300 PM CDT... AT 920 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH FLOODING WAS OCCURRING IN LEES SUMMIT ALONG HIGHWAY 150 AT HARBOR DRIVE AND AT HIGHWAY 150 AND HIGHWAY 291. THE HIGHWAY WAS BEING BARRICADED DUE TO THE FLOODING. THE HEAVIEST RAIN HAS ENDED FOR THE TIME BEING ACROSS SOUTHEASTERN JOHNSON COUNTY KANSAS. HOWEVER ADDITIONAL THUNDERSTORMS WITH HEAVY RAIN WERE MOVING THROUGH SOUTHERN JACKSON AND FAR NORTHERN CASS COUNTIES IN MISSOURI. THIS WILL CONTINUE TO EXACERBATE FLASH FLOODING PROBLEMS IN THAT AREA. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BELTON... GRANDVIEW...GREENWOOD...LAKE LOTAWANA...LEE'S SUMMIT...PLEASANT HILL...RAYMORE...LAKE WINNEBAGO AND LONE JACK. THIS WILL IMPACT THE FOLLOWING INTERSTATES... I-435 LOOP FROM MILE MARKERS 71 TO 79. I-470 BETWEEN MILE MARKERS 0 AND 11. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. && LAT...LON 3893 9472 3900 9411 3877 9412 3875 9470 $$ CDB
580 WGUS73 KEAX 251719 FFSEAX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1219 PM CDT FRI MAY 25 2012 KSC091-MOC037-095-252000- /O.CON.KEAX.FF.W.0007.000000T0000Z-120525T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JOHNSON KS-CASS MO-JACKSON MO- 1219 PM CDT FRI MAY 25 2012 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN JOHNSON COUNTY IN EAST CENTRAL KANSAS...AND SOUTHERN JACKSON AND NORTHERN CASS COUNTIES IN WEST CENTRAL MISSOURI UNTIL 300 PM CDT... AT 1215 PM CDT...THE HEAVY THUNDERSTORMS FROM EARLIER IN THE MORNING HAVE ENDED...HOWEVER EXCESSIVE RUNOFF THE EXTREME RAINFALL WAS CONTINUING TO CAUSE FLOODING PROBLEMS. FLOODING WAS REPORTED 1 MILE EAST SOUTHEAST OF PLEASANT HILL AT 1140 AM CDT WHERE ONE FOOT OF WATER WAS FLOWING OVER THE INTERSECTION OF COUNTRY CLUB DRIVE AND MURRAY ROAD IN. EXCESSIVE RUNOFF WILL CONTINUE THROUGH EARLY THIS AFTERNOON AS WATER DRAINS INTO LARGER STREAMS AND CREEKS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BELTON... GRANDVIEW...GREENWOOD...LAKE LOTAWANA...LEE'S SUMMIT...PLEASANT HILL...RAYMORE...LAKE WINNEBAGO AND LONE JACK. THIS WILL IMPACT THE FOLLOWING INTERSTATES... I-435 LOOP FROM MILE MARKERS 71 TO 79. I-470 BETWEEN MILE MARKERS 0 AND 11. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. && LAT...LON 3893 9472 3900 9411 3877 9412 3875 9470 $$ CDB
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:19 PM CDT | Special Weather Statement | EAX | Leavenworth | 26 min |
| May 24, 7:48 PM CDT | Special Weather Statement | EAX | Johnson | 42 min |
| May 25, 5:58 AM CDT | Special Weather Statement | EAX | Johnson | 47 min |
| May 25, 8:23 AM CDT | Areal Flood Advisory | EAX | Johnson | 6 hr |
| May 24, 7:00 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Platte | 30 min |
| May 24, 7:14 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Platte | 8 min |
| May 24, 8:18 PM CDT | Special Weather Statement | EAX | Jackson | 27 min |
| May 25, 6:15 AM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson | 30 min |
| May 25, 7:32 AM CDT | Special Weather Statement | EAX | Bates | 28 min |
| May 25, 7:41 AM CDT | Severe Thunderstorm Warning | EAX | Bates | 19 min |
| May 25, 8:46 AM CDT | Special Weather Statement | EAX | Jackson | 29 min |
| May 25, 9:35 AM CDT | Special Weather Statement | EAX | Johnson | 25 min |
| May 25, 10:18 AM CDT | Flash Flood Warning | EAX | Johnson, Lafayette | 6 hr |
| May 25, 10:32 AM CDT | Special Weather Statement | EAX | Pettis | 43 min |
| May 25, 11:02 AM CDT | Severe Thunderstorm Warning | EAX | Pettis | 28 min |
| May 25, 11:09 AM CDT | Areal Flood Warning | EAX | Cass | 12 hr |
| May 25, 11:12 AM CDT | River Flood Warning | EAX | Cass, Henry, Johnson | 9 hr |
| May 25, 11:47 AM CDT | Special Weather Statement | EAX | Cooper | 28 min |
| May 25, 2:55 PM CDT | Areal Flood Warning | EAX | Cass, Jackson | 8 hr |
| May 25, 3:03 PM CDT | Special Weather Statement | EAX | Worth | 42 min |
| May 25, 3:11 PM CDT | Severe Thunderstorm Warning | EAX | Worth | 19 min |
| May 25, 3:33 PM CDT | Severe Thunderstorm Warning | EAX | Nodaway, Worth | 42 min |
| May 25, 4:02 PM CDT | Severe Thunderstorm Warning | EAX | Harrison, Mercer, Worth | 28 min |
| May 25, 4:28 PM CDT | Special Weather Statement | EAX | Mercer | 47 min |
| May 25, 4:48 PM CDT | Special Weather Statement | EAX | Putnam | 42 min |
| May 25, 5:13 PM CDT | Special Weather Statement | EAX | Putnam | 47 min |
| May 25, 5:34 PM CDT | Severe Thunderstorm Warning | EAX | Putnam, Schuyler | 25 min |
Nearby
Flash Flood Warnings in Missouri, 2012Flash Flood Warnings in Kansas, 2012Every flash flood warning in 2012
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.