Alert archive / Missouri / Flash Flood Warnings in 1996
Flash Flood Warning 16, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 28, 1996, 10:55 PM CDT for Gasconade County, Missouri. It was in force for 4 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, 10:55 PM CDT (03:55 UTC)
- Expired
- Apr 29, 1996, 3:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Gasconade County, MO
The radar
The St Louis radar (KLSX), 77 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, 3.9 hours before the alert went out and 265 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
- 293 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 496 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 366 m²/s²
- 0-3 km storm-relative helicity
- 358 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 290359 FFWSTL ILC027-189-119-133-163-MOC073-071-099-183-189-219-510-290800- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1055 PM CDT SUN APR 28 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 300 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL ILLINOIS ...CLINTON COUNTY...WASHINGTON COUNTY IN SOUTHWEST ILLINOIS ...MADISON COUNTY...MONROE COUNTY...ST. CLAIR COUNTY IN CENTRAL MISSOURI ...GASCONADE COUNTY IN EAST CENTRAL MISSOURI ...FRANKLIN COUNTY...JEFFERSON COUNTY...ST. CHARLES COUNTY ...ST. LOUIS COUNTY...WARREN COUNTY AND THE INDEPENDENT CITY OF ...ST. LOUIS CITY AT 1050 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LARGE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM SOUTH CENTRAL INTO EAST CENTRAL MISSOURI AND CENTRAL AND SOUTHERN ILLINOIS. THUNDERSTORMS CONTAINING HEAVY RAINS HAVE BEEN CONTINUING TO DEVELOP AND REPEATEDLY MOVE NORTHEASTWARD OVER THE SAME AREAS. ADDITIONAL HEAVY RAINS OVER THE SAME AREA WILL AGGREVATE THE FLOODING ALREADY ONGOING. DOPPLER RADAR WAS ESTIMATING THAT ONE AND ONE HALF TO TWO AND ONE HALF INCHES OF RAIN HAVE FALLEN OVER PORTIONS OF EAST CENTRAL MISSOURI AND WEST CENTRAL ILLINOIS DURING THE LAST THREE HOURS. NUMEROUS REPORTS OF SMALL STREAMS AND CREEKS FLOODING OR AT BANKFULL HAVE BEEN REPORTED ALONG WITH WATER AS MUCH AS THREE FEET DEEP OVER SEVERAL ROADS. SOME RESIDENTS IN FLOOD PRONE AREAS OF IMPERIAL AND ARNOLD IN JEFFERSON COUNTY HAVE BEEN EVACUATED DUE TO THE FLOODING AND RAPIDLY RISING WATER ALONG CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. NEVER DRIVE OR WALK INTO FLOOD WATER. IF YOU LIVE NEAR A SMALL STREAM OR OTHER LOW LYING FLOOD- PRONE AREA...BE PREPARED TO MOVE TO HIGHER GROUND QUICKLY. YOUR LIFE MAY DEPEND ON IT. GKS &
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 28, 8:59 PM CDT, 1 hour 56 minutes before
MOZ055-056-066>068-077-078-088-089-093-101-290245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 855 PM CDT SUN APR 28 1996 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR A PORTION OF SOUTHWEST MISSOURI... PART OF THE SEVERE THUNDERSTORM WATCH FOR SOUTHWEST AND SOUTH CENTRAL MISSOURI HAS BEEN CANCELLED. THE COUNTIES WHICH ARE NO LONGER IN THE WATCH INCLUDE...VERNON...ST. CLAIR...BENTON... MORGAN...HICKORY...CEDAR...BARTONj...DADE...JASPER...NEWTON...AND MCDONALD. THE POTENTIAL FOR SEVERE WEATHER HAS SHIFTED TO THE EAST OF THESE COUNTIES. THE REST OF THE WATCH REMAIN IN EFFECT UNTIL 11PM. AMS
Special weather statement, Apr 28, 10:45 PM CDT, 10 minutes before
ILZ095>102-MOZ018-019-026-027-034>036-041-042-047>052-056>065-069- 079-080-089>091-094-095-102>104-290430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1042 PM CDT SUN APR 28 1996 ...SEVERE THUNDERSTORM WATCHES HAVE BEEN CANCELLED FOR SOUTHWEST AND EAST CENTRAL MISSOURI... THE SEVERE THUNDERSTORM WATCH THAT WAS VALID UNTIL 11PM FOR SOUTHWEST MISSOURI HAS BEEN CANCELLED. THE SEVERE THUNDERSTORMS WATCH THAT WAS VALID UNTIL MIDNIGHT FOR MUCH OF EAST CENTRAL MISSOURI HAS BEEN CANCELLED. THE POTENTIAL FOR SEVERE WEATHER HAS ENDED IN THESE AREAS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 AM MONDAY MORNING FOR MUCH OF SOUTH CENTRAL AND SOUTHEAST MISSOURI. AMS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:14 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 61 min |
| Apr 28, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 47 min |
| Apr 28, 8:10 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 50 min |
| Apr 28, 10:55 PM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 4 hr |
| Apr 28, 10:55 PM CDT | Flash Flood Warning | LSX | Franklin, Jefferson | 4 hr |
| Apr 28, 10:55 PM CDT | Flash Flood Warning | LSX | Saint Charles, Warren | 4 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.