Alert archive / Missouri / Flash Flood Warnings in 1996
Flash Flood Warning 4, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 21, 1996, 10:59 PM CDT for Franklin County, Gasconade County, Missouri. It was in force for 6 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 21, 1996, 10:59 PM CDT (03:59 UTC)
- Expired
- Apr 22, 1996, 5:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Franklin County, MO, Gasconade County, MO
The radar
The St Louis radar (KLSX), 61 km from the middle of the area, began a volume at 03:58 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 00:00Z, 4.0 hours before the alert went out and 278 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
- 1598 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 594 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 220431 COR FFWSTL MOC073-071-221000- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING...RETRANSMISSION FOR SEMA... NATIONAL WEATHER SERVICE ST LOUIS MO 1059 PM CDT SUN APR 21 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 500 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSOURI ...GASCONADE COUNTY IN EAST CENTRAL MISSOURI ...FRANKLIN COUNTY HEAVY RAINS HAVE BEEN FALLING ACROSS SECTIONS OF FRANKLIN AND GASCONADE COUNTIES DURING THE EVENING. FLOODING WAS REPORTED IN THE WASHINGTON AREA AT 1055 PM...AND EVACUATIONS ARE NOW TAKING PLACE. RADAR INDICATES ANYWHERE FROM 2 TO 5 INCHES OF RAIN HAS FALLEN SO FAR...AND MORE RAIN IS ON THE WAY OVER THE NEXT FEW HOURS. THE RAINFALL OBSERVER AT OWENSVILLE REPORTED 3.4 INCHES OF RAIN SO FAR THIS EVENING. PEOPLE IN FRANKLIN AND GASCONADE COUNTIES...AND ESPECIALLY THOSE LIVING ING THE OWENSVILLE...GERALD...AND WASHINGTON AREAS...SHOULD BE VERY CAREFUL OVERNIGHT...AND REMAIN ALERT FOR RAPIDLY RISING WATER. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. NEVER DRIVE OR WALK INTO FLOOD WATER. FLASH FLOODING IS THE LEADINGN WEATHER RELATED KILLER ACROSS THE UNITED STATES. NEVER UNDERESTIMATE THE POWER OF FLOWING WATER. MOVE TO HIGHER GROUND IMMEDIATELY WHEN FLOODING THREATENS. YOUR LIFE MAY DEPEND ON IT. TRUETT/VA &
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 7:49 PM CDT | Severe Thunderstorm Warning | LSX | Knox, Shelby | 41 min |
| Apr 21, 8:38 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade, Osage | 52 min |
| Apr 21, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Saint Louis | 40 min |
| Apr 22, 12:21 AM CDT | Severe Thunderstorm Warning | LSX | Crawford, Washington | 39 min |
| Apr 22, 5:21 AM CDT | Flash Flood Warning | LSX | Iron, Madison, Sainte Genevieve, Saint Francois | 5 hr |
| Apr 22, 5:21 AM CDT | Flash Flood Warning | LSX | Reynolds | 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.