Alert archive / Missouri / Flash Flood Warnings in 1998
Flash Flood Warning 53, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Oct 5, 1998, 5:40 PM CDT for Boone County, Callaway County, Missouri. It was in force for 10 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
- Oct 5, 1998, 5:40 PM CDT (22:40 UTC)
- Expired
- Oct 6, 1998, 4:00 AM CDT
- In force
- 10 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Boone County, MO, Callaway County, MO
The radar
The St Louis radar (KLSX), 127 km from the middle of the area, began a volume at 22:43 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 (KSGF), launched 12:00Z, 10.7 hours before the alert went out and 268 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
- 263 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 570 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 323 m²/s²
- 0-3 km storm-relative helicity
- 352 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 052242 FFWSTL MOC019-027-060900- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 540 PM CDT MON OCT 5 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... BOONE COUNTY IN CENTRAL MISSOURI CALLAWAY COUNTY IN CENTRAL MISSOURI * UNTIL 400 AM CDT * THE FLASH FLOOD WARNING HAS BEEN EXTENDED THROUGH THE NIGHTTIME HOURS IN BOONE AND CALLAWAY COUNTIES. MANY ROADS ACROSS THESE COUNTIES ARE STILL CLOSED OR IMPASSABLE DUE TO THE HEAVY RAINS WHICH FELL LATE LAST NIGHT AND TODAY. UP TO ONE INCH OF ADDITIONAL RAIN IS EXPECTED TONIGHT AS SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE NORTHEASTWARD THROUGH CENTRAL MISSOURI. * SOME ROADS WHICH REMAIN CLOSED OR IMPASSABLE INCLUDE STATE ROAD O AT JOHNSON BRIDGE AND HIGHWAY 94 BETWEEN ROUTES PP AND C...BOTH IN CALLAWAY COUNTY. NUMEROUS ROADS ARE CLOSED OR IMPASSABLE IN THE CITY OF COLUMBIA. RANGELINE RD BETWEEN VERNERS FORD AND RT WW AND AT BEN WILLIAMS RD...THE 5100 BLOCK OF BOONE FEMME CHURCH RD ...BLACKFOOT RD AND JEMERSON CREEK ROAD NEAR CHRISTIAN SCHOOL RD ARE ALL CLOSED OR IMPASSABLE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW DEEP THE WATER MAY BE. MOTORISTS SHOULD NEVER DRIVE THROUGH WATER OF UNKNOWN DEPTH. GKS &
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 8:50 AM CDT | Flash Flood Warning | LSX | Moniteau | 4 hr |
| Oct 5, 9:11 AM CDT | Flash Flood Warning | LSX | Knox | 4 hr |
| Oct 5, 10:18 AM CDT | Flash Flood Warning | LSX | Boone, Callaway, Cole | 4 hr |
| Oct 5, 10:18 AM CDT | Flash Flood Warning | LSX | Lewis, Monroe, Shelby | 4 hr |
| Oct 5, 10:18 AM CDT | Flash Flood Warning | LSX | Audrain | 4 hr |
| Oct 5, 12:43 PM CDT | Flash Flood Warning | LSX | Moniteau | 3 hr |
| Oct 5, 2:50 PM CDT | Flash Flood Warning | LSX | Boone, Callaway | 3 hr |
| Oct 5, 3:52 PM CDT | Flash Flood Warning | LSX | Moniteau | 4 hr |
Nearby
Flash Flood Warnings in Missouri, 1998Every flash flood warning in 1998
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.