Alert archive / Missouri / Flash Flood Warnings in 1998
Flash Flood Warning 23, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 4, 1998, 11:04 AM CDT for Monroe County, Shelby County, Missouri. It was in force for 3 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
- Jul 4, 1998, 11:04 AM CDT (16:04 UTC)
- Expired
- Jul 4, 1998, 2:05 PM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Monroe County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 157 km from the middle of the area, began a volume at 16:05 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
Davenport, (KDVN), launched 12:00Z, 4.1 hours before the alert went out and 255 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
- 853 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 041605 FFWSTL MOC007-137-205-041905- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1104 AM CDT SAT JUL 4 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLOOD WARNING FOR... AUDRAIN COUNTY IN CENTRAL MISSOURI MONROE COUNTY MISSOURI IN NORTHEASTERN MISSOURI SHELBY COUNTY IN NORTHEASTERN MISSOURI * UNTIL 205 PM CDT * AT 1100 AM CDT NATIONAL WEATHER SERVICE RADAR INDICATED MODERATE RAIN CONTINUING OVER THE WARNED AREA. ANOTHER 1 INCH OF RAIN WILL BE POSSIBLE...IN ADDITION TO THE 2 TO 4 INCHES THAT HAS ALREADY FALLEN...BY EARLY AFTERNOON. * THE HEAVIEST RAIN HAS FALLEN ACROSS MONROE AND AUDRAIN COUNTIES INCLUDING PARIS AND MEXICO. PEOPLE SHOULD BE ALERT TO AREAS OF HIGH WATER THROUGH EARLY AFTERNOON. NUMEROUS REPORTS OF WATER OVER ROADWAYS HAVE BEEN RECEIVED. IF FLASH FLOODING IS OBSERVED OR IMMINENT...MOVE QUICKLY TO HIGHER GROUND. NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE ROAD... ESPECIALLY LOW-WATER BRIDGES JPK &
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 11:40 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 65 min |
| Jul 4, 2:36 AM CDT | Flash Flood Warning | LSX | Marion, Monroe, Ralls, Shelby | 5 hr |
| Jul 4, 2:36 AM CDT | Flash Flood Warning | LSX | Pike | 5 hr |
| Jul 4, 2:36 AM CDT | Flash Flood Warning | LSX | Knox | 5 hr |
| Jul 4, 7:38 AM CDT | Flash Flood Warning | LSX | Audrain, Monroe | 3 hr |
| Jul 4, 7:38 AM CDT | Flash Flood Warning | LSX | Knox, Shelby | 3 hr |
| Jul 4, 7:38 AM CDT | Flash Flood Warning | LSX | Audrain, Monroe | 3 hr |
| Jul 4, 7:38 AM CDT | Flash Flood Warning | LSX | Knox, Shelby | 3 hr |
| Jul 4, 9:02 AM CDT | Flash Flood Warning | LSX | Callaway, Cole, Osage | 5 hr |
| Jul 4, 9:02 AM CDT | Flash Flood Warning | LSX | Boone, Moniteau | 5 hr |
| Jul 4, 11:04 AM CDT | Flash Flood Warning | LSX | Audrain | 3 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.