Alert archive / Missouri / Flash Flood Warnings in 1996
Flash Flood Warning 9, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 28, 1996, 5:50 PM CDT for City of Saint Louis, Missouri. It was in force for 5 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
- Apr 28, 1996, 5:50 PM CDT (22:50 UTC)
- Expired
- Apr 28, 1996, 10:45 PM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County City of Saint Louis, MO
The radar
The St Louis radar (KLSX), 43 km from the middle of the area, began a volume at 22:54 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
Lincoln, IL (KILX), launched 12:00Z, 10.8 hours before the alert went out and 218 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
- 898 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 313 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 282252 FFWSTL MOC073-071-099-183-189-510-290345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 550 PM CDT SUN APR 28 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSOURI ...GASCONADE COUNTY IN EAST CENTRAL MISSOURI ...FRANKLIN COUNTY...JEFFERSON COUNTY...ST. CHARLES COUNTY ...ST. LOUIS COUNTY AND THE INDEPENDENT CITY OF ...ST. LOUIS CITY AT 545 PM WEATHER RADAR ESTIMATES THAT MORE THAN ONE INCH OF RAIN HAS FALLEN IN THE LAST HOUR BETWEEN OWENSVILLE AND MT STERLING EXTENDING NORTHEAST TO BETWEEN NEW HAVEN AND UNION MISSOURI IN GASCONADE AND FRANKLIN COUNTIES. THE STORM THAT PRODUCED THIS HEAVY RAIN HAS MOVED INTO ST CHARLES...ST LOUIS...AND JEFFERSON COUNTIES. THE GROUND HAS BEEN SATURATED FROM PREVIOUS RAINS...AND EMERGENCY MANAGEMENT AGENCY IN UNION REPORTS AS MUCH AS TWO FEET OF WATER COVERING SOME ROADS IN THE TOWN OF UNION. CREEKS AND STREAMS WILL BE RISING RAPIDLY FROM THIS STORM AND FLOOD PRONE AREAS MAY EXPERIENCE IMMINENT FLOODING. 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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. NEVER DRIVE OR WALK INTO FLOOD WATER. 0 WDB &
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 4:40 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 50 min |
| Apr 28, 5:13 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 32 min |
| Apr 28, 5:32 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 28 min |
| Apr 28, 5:32 PM CDT | Severe Thunderstorm Warning | LSX | City of Saint Louis | 28 min |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | Gasconade | 5 hr |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | Franklin, Jefferson, Saint Louis | 5 hr |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | Saint Charles | 5 hr |
Nearby
Flash Flood Warnings in Missouri, 1996Every flash flood warning in 1996
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.