Alert archive / Missouri / Flash Flood Warnings in 2002
Flash Flood Warning 8, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at May 11, 2002, 7:51 PM CDT for Cass County, Jackson County, Missouri; Johnson County, Miami County, Kansas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 11, 2002, 7:51 PM CDT (00:51 UTC)
- Expired
- May 12, 2002, 1:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Johnson County, KS, Miami County, KS, Cass County, MO, Jackson County, MO
The radar
The Pleasant Hill radar (KEAX), 28 km from the middle of the area, began a volume at 00:53 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.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 0.9 hours before the alert went out and 94 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
- 2385 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 742 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 244 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 11.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KEAX 120051 FFWMCI KSC091-121-MOC037-095-120645- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 748 PM CDT SAT MAY 11 2002 THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A * FLASH FLOOD WARNING FOR... JOHNSON COUNTY IN EAST CENTRAL KANSAS NORTHERN MIAMI COUNTY IN EAST CENTRAL KANSAS NORTHWESTERN CASS COUNTY IN WEST CENTRAL MISSOURI JACKSON COUNTY IN WEST CENTRAL MISSOURI * UNTIL 145 AM CDT * AT 743 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ALONG A LINE FROM NEAR OSAWATOMIE TO STANLEY...NORTHEAST TO NEAR BLUE SPRINGS. THESE STORMS ARE MOVING TO THE NORTHEAST AT 20 MPH. 1.2 INCHES OF RAINFALL WAS REPORTED IN LEES SUMMIT BETWEEN 715 PM AND 745 PM. * SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL LEAD TO RAPID RISES...AND THE THREAT OF FLASH FLOODING. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...KANSAS CITY... PAOLA...OLATHE...RAYTOWN...RAYMORE...LEES SUMMIT...LAKE LOTAWANA... INDEPENDENCE...GREENWOOD...GRANDVIEW...GRAIN VALLEY AND BUCKNER. ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE POSSIBLE IN THE WARNED AREA. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN PLEASANT HILL. 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.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 8:16 PM CDT | Flash Flood Warning | EAX | Johnson, Lafayette | 6 hr |
| May 11, 9:55 PM CDT | Flash Flood Warning | EAX | Linn | 6 hr |
| May 12, 12:45 AM CDT | Flash Flood Warning | EAX | Adair, Macon | 4 hr |
| May 12, 12:55 AM CDT | Flash Flood Warning | EAX | Carroll | 4 hr |
| May 12, 1:01 AM CDT | Flash Flood Warning | EAX | Chariton | 4 hr |
| May 12, 12:42 PM CDT | Severe Thunderstorm Warning | EAX | Cooper | 63 min |
| May 12, 5:06 PM CDT | Severe Thunderstorm Warning | EAX | Bates | 39 min |
| May 12, 6:32 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 28 min |
| May 12, 6:42 PM CDT | Severe Thunderstorm Warning | EAX | Lafayette | 63 min |
| May 12, 4:31 PM CDT | Severe Thunderstorm Warning | EAX | Linn | 44 min |
Nearby
Flash Flood Warnings in Missouri, 2002Flash Flood Warnings in Kansas, 2002Every flash flood warning in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.