Alert archive / Missouri / Flash Flood Warnings in 1999
Flash Flood Warning 4, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Jun 23, 1999, 12:46 PM CDT for Ray County, Missouri. It was in force for 104 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1999, 12:46 PM CDT (17:46 UTC)
- Expired
- Jun 23, 1999, 2:30 PM CDT
- In force
- 104 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Ray County, MO
The radar
The Pleasant Hill radar (KEAX), 65 km from the middle of the area, began a volume at 17:49 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 12:00Z, 5.8 hours before the alert went out and 148 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
- 1054 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Kansas City, MO wrote its last area forecast discussion before this flash flood warning went out at Jun 23, 5:00 AM CDT, 7 hours 46 minutes earlier.
Area forecast discussion, Jun 23, 5:00 AM CDT, 7 hours 46 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 500 AM CDT WED JUN 23 1999 LLJ AND WK WAVE AT H7 HELPING TO INCRS ISN LIFT OVER THE NWRN PART OF THE CWA THIS MORNING. DRY AIR INTRUSION APPEARS TO BE INCRSG INTENSITY OF CONVECTION OVR NWRN ZONES. FEEL CONVECTION WL DISSPIPATE ACRS NWRN AND CENTRAL ZONES AS DAY WEARS ON AS FOCUS RETURNS TO QUASI-STNRY FRNTL SYSTEM SITD ACRS THE HIGH PLAINS. ALL MODELS ARE HINTING AT QG FRONTOLYSIS OVR THE NWRN ZONES AS WELL WHICH FURTHER SUPPORTS DECRSG CHNCS OF PRECIP. TROPICAL MOISTURE PLUME SITD HAS SHIFTED TWD THE ANTICYC SIDE OF 250 JET. MOST OF CWA NO LONGER ABLE TO TAP TROPICAL MOISTURE FEED...WITH THE EXCEPTION OF SERN ZONES WHCH RMND UNDER THE NWRN FRINGES OF THE PLUME. SERN ZONES WL BE SITUATED UNDER THE RT ENTRANCE REGION OF UPR JET FOR THE RMNDR OF THE DAY. FEEL SHRA WL CTN THRU THE DAY IN THE SE AS JET TAPS SEMI-TROP ENVIRON. DECRSD CHNC OF POPS ACRS ALL OF CWA BY TONIGHT AS DRIER AIR OVERSPREADS THE AREA. HAD CHC OF SHRA/TSRA ENDING DURING THE EVENING OVR NWRN AND CNTL ZONES...LEFT CHC OF SHRA/TSRA OVR SERN ZONES THRUOUT THE NITE. AS PER PRVS FCST...LEFT POPS OUT OF ALL CWA THU/THU NITE. BROAD-BRUSHED TEMPS FOR ALL CWA FOR TDA. EVAP COOLING SHULD KEEP SERN ZONES A LTL COOLER. SLGTLY WARMER TEMPS THU WITH MORE SUN AND BROAD-SCALE SUBSIDENCE. SLGTLY COOLER TEMPS FOR TONIGHT DUE TO DRIER AIR. MADE NO CHNGS TO TEMPS IN THE EXTENDED. .EAX... KS...NONE. MO...NONE. 24
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 12:30 PM CDT | Flash Flood Warning | EAX | Jackson | 2 hr |
| Jun 23, 1:53 PM CDT | Flash Flood Warning | EAX | Lafayette | 2 hr |
| Jun 23, 2:30 PM CDT | Flash Flood Warning | EAX | Clay, Jackson, Ray | 3 hr |
Nearby
Flash Flood Warnings in Missouri, 1999Every flash flood warning in 1999
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.