Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 162, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Sep 23, 1993, 7:22 AM CDT for Gasconade County, Missouri. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Sep 23, 1993, 7:22 AM CDT (12:22 UTC)
- Expired
- Sep 23, 1993, 9:30 AM CDT
- In force
- 2 hr
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Gasconade County, MO
The radar
The St Louis radar (KLSX), 77 km from the middle of the area, began a volume at 12:23 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
Springfield, MO (KUMN), launched 12:00Z, 0.4 hours before the alert went out and 265 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
- 1898 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 756 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCOU 231227 COR FFWCOU MOC051-151-073-231430- BULLETIN - EBS ACTIVATION REQUESTED...CORRECTION FLASH FLOOD WARNING NATIONAL WEATHER SERVICE COLUMBIA MO 722 AM CDT THU SEP 23 1993 THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 930 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSOURI ...COLE COUNTY...OSAGE COUNTY IN EAST CENTRAL MISSOURI ...GASCONADE COUNTY AT 710 AM HEAVY RAIN THROUGH THE NIGHT WAS CAUSING FLASH FLOODING AT JEFFERSON CITY IN COLE COUNTY...AND HEAVY RAIN CONTINUED TO FALL. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT ANYWHERE FROM 5 TO 9 INCHES OF RAIN HAD FALLEN OVERNIGHT FROM FROM NEAR JEFFERSON CITY TO HERMANN AND ANOTHER BAND OF THUNDERSTORMS WITH HEAVY RAIN WILL MOVE ACROSS THE WARNED AREA UNTIL 900 AM. IF YOU LIVE IN JEFFERSON CITY...HERMANN OWENSVILLE OR LINN BE EXTRA CAREFULL WHEN DRIVING TO YOUR DESTINATION THIS MORNING. A FLASH FLOOD WTARNING MEANS THAT FLOODING IS TAKING PLACE OR ABOUT TO TAKE PLACE. KNOW WHERE YOU ARE FROM STREAMS...RIVERS AND CREEKS THAT CAN BECOME KILLERS DURING HEAVY RAINS. NEVER TRY TO CROSS MOVING WATER ON FOOT OR WITH YOUR CAR. LA GREE
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.
In the hours before
Special weather statement, Sep 23, 2:38 AM CDT, 4 hours 44 minutes before
MOZ001-002-003-004-005-008-009-KS016-230900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 238 AM CDT THU SEP 23 1993 ...THUNDERSTORMS MOVING INTO NORTHWEST MISSOURI... AT 230 AM...NUMEROUS THUNDERSTORMS THAT HAD FORMED OVER NORTHEAST KANSAS SINCE 140 AM WILL MOVE INTO NORTHWEST MISSOURI BETWEEN 3 AND 4 AM. THESE STORMS WILL PRODUCE VERY HEAVY RAINS WHICH IN TURN COULD CAUSE FLOODING OF LOW LYING AREAS AND SOME ROADWAYS. STAY ALERT!!! ISOLATED THUNDERSTORMS...ALSO PRODUCING VERY HEAVY RAINS WERE LOCATED IN CENTRAL MISSOURI AROUND COLUMBIA. ISOLATED SHOWERS WERE IN WEST CENTRAL MISSOURI EAST AND SOUTH OF KANSAS CITY. ALL THE THUNDERSTORMS AND SHOWERS WERE MOVING EAST AT 30 MILES AN HOUR.
Special weather statement, Sep 23, 2:45 AM CDT, 4 hours 37 minutes before
MOZ001-002-003-004-005-008-009-KS016-230900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 238 AM CDT THU SEP 23 1993 ...THUNDERSTORMS MOVING INTO NORTHWEST MISSOURI... AT 230 AM...NUMEROUS THUNDERSTORMS THAT HAD FORMED OVER NORTHEAST KANSAS SINCE 140 AM WILL MOVE INTO NORTHWEST MISSOURI BETWEEN 3 AND 4 AM. THESE STORMS WILL PRODUCE VERY HEAVY RAINS WHICH IN TURN COULD CAUSE FLOODING OF LOW LYING AREAS AND SOME ROADWAYS. STAY ALERT!!! ISOLATED THUNDERSTORMS...ALSO PRODUCING VERY HEAVY RAINS WERE LOCATED IN CENTRAL MISSOURI AROUND COLUMBIA. ISOLATED SHOWERS WERE IN WEST CENTRAL MISSOURI EAST AND SOUTH OF KANSAS CITY. ALL THE THUNDERSTORMS AND SHOWERS WERE MOVING EAST AT 30 MILES AN HOUR.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 7:19 PM CDT | Severe Thunderstorm Warning | EAX | Cass | 41 min |
| Sep 22, 7:34 PM CDT | Flash Flood Warning | EAX | Audrain, Boone, Callaway, Montgomery | 116 min |
| Sep 22, 7:35 PM CDT | Severe Thunderstorm Warning | EAX | Johnson | 25 min |
| Sep 22, 7:41 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Pettis | 49 min |
| Sep 22, 9:14 PM CDT | Flash Flood Warning | EAX | Jackson | 61 min |
| Sep 22, 9:14 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 61 min |
| Sep 22, 9:31 PM CDT | Severe Thunderstorm Warning | EAX | Lafayette | 31 min |
| Sep 22, 9:49 PM CDT | Severe Thunderstorm Warning | EAX | Johnson | 17 min |
| Sep 23, 7:22 AM CDT | Flash Flood Warning | EAX | Cole, Osage | 2 hr |
| Sep 23, 7:50 AM CDT | Flash Flood Warning | EAX | Boone, Callaway | 115 min |
| Sep 23, 7:50 AM CDT | Flash Flood Warning | EAX | Moniteau | 115 min |
| Sep 23, 8:19 AM CDT | Flash Flood Warning | EAX | Audrain, Montgomery | 116 min |
Nearby
Flash Flood Warnings in Missouri, 1993Every flash flood warning in 1993
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.