Alert archive / Missouri / Flash Flood Warnings in 1996
Flash Flood Warning 5, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 22, 1996, 5:21 AM CDT for 4 counties in 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 22, 1996, 5:21 AM CDT (10:21 UTC)
- Expired
- Apr 22, 1996, 10:19 AM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Iron County, MO, Madison County, MO, Saint Francois County, MO, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 10:24 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, 10.4 hours before the alert went out and 311 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 221028 FFWSTL MOC187-186-093-123-179-221530- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 521 AM CDT MON APR 22 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...SOUTHERN ST. FRANCOIS COUNTY...ST. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI ...IRON COUNTY...MADISON COUNTY...REYNOLDS COUNTY AT 520 AM...WEATHER SERVICE DOPPLER RADAR WAS ESTIMATING 2.5 TO 4.0 INCHES OF RAIN HAD FALLEN SINCE MIDNIGHT IN A FAIRLY LARGE WEST-EAST SWATH FROM THE BIXBY AND OATES AREA TO NEAR FREDERICKTOWN. RADAR CONTINUED TO SHOW A LARGE AREA OF SHOWERS AMD THUNDERSTORMS OVER THIS AREA...WHICH SHOULD CONTINUE THROUGH THE MORNING HOURS. THE IRON COUNTY EOC REPORTED THAT PORTIONS OF HIGHWAYS 72 AND 21 AS WELL AS NUMEROUS COUNTY ROADS WERE IMPASSABLE DUE TO HIGH WATER. AN ADDITIONAL ONE TO TWO INCHES OF RAINFALL IS POSSIBLE THIS MORNING WHICH WILL AGRREVATE EXISTING CONDITIONS AND LIKELY RESULT IN ADDITIONAL FLOODING. BE ESPECIALLY CAUTIOUS IF CAMPING NEAR A STREAM. RAIN UPSTREAM MAY CAUSE FLASH FLOODING AT YOUR LOCATION WITH LITTLE OR NO WARNING. FLASH FLOODING IS THE LEADING 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. : GLASS &
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 21, 10:59 PM CDT | Flash Flood Warning | LSX | Franklin, Gasconade | 6 hr |
| Apr 22, 12:21 AM CDT | Severe Thunderstorm Warning | LSX | Crawford, Washington | 39 min |
| 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.