Alert archive / Missouri / Flash Flood Warnings in 1990
Flash Flood Warning 20, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 7, 1990, 8:40 AM CDT for Jefferson County, Saint Louis County, Missouri; Monroe County, Illinois. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1990, 8:40 AM CDT (13:40 UTC)
- Expired
- Jun 7, 1990, 5:30 PM CDT
- In force
- 9 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Monroe County, IL, Jefferson County, MO, Saint Louis County, MO
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 1.7 hours before the alert went out and 209 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
- 0 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 071343
FFWSTL
ILC133-163-MOC071-099-113-183-189-510-219-072300-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
840 AM CDT THU JUN 7 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 600 PM CDT THIS EVENING
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHWEST ILLINOIS
...MONROE...ST CLAIR
IN EAST CENTRAL MISSOURI
...FRANKLIN...JEFFERSON...LINCOLN...ST CHARLES...ST LOUIS
...ST LOUIS CITY...WARREN
RAINFALL OF THREE TO SIX INCHES OVERNIGHT COMBINED WITH CONTINUED
HEAVY RAINS TODAY WILL PRODUCE FLASH FLOODING ACROSS PORTIONS OF EAST
CENTRAL MISSOURI AND SOUTHWEST ILLINOIS TODAY.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN= A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
EISEThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 1:41 AM CDT | Flash Flood Warning | LSX | Lincoln | 5 hr |
| Jun 7, 3:21 AM CDT | Flash Flood Warning | LSX | Saint Charles, Warren | 5 hr |
| Jun 7, 3:21 AM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 5 hr |
| Jun 7, 8:40 AM CDT | Flash Flood Warning | LSX | Franklin, Lincoln, Saint Charles, Warren | 9 hr |
| Jun 7, 8:40 AM CDT | Flash Flood Warning | LSX | City of Saint Louis | 9 hr |
| Jun 7, 2:19 PM CDT | Severe Thunderstorm Warning | LSX | Adair, Knox, Schuyler, Scotland | 41 min |
| Jun 7, 2:54 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Phelps | 66 min |
| Jun 7, 3:16 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 59 min |
| Jun 7, 3:31 PM CDT | Tornado Warning | LSX | Crawford, Franklin | 44 min |
| Jun 7, 3:40 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Charles, Saint Louis, City of Saint Louis | 65 min |
| Jun 7, 3:40 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 65 min |
| Jun 7, 3:40 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 65 min |
| Jun 7, 4:11 PM CDT | Tornado Warning | LSX | Saint Louis, City of Saint Louis | 49 min |
| Jun 7, 1:20 AM CDT | Severe Thunderstorm Warning | LSX | Effingham, Fayette | 40 min |
| Jun 7, 6:26 AM CDT | Severe Thunderstorm Warning | LSX | Saint Clair, Washington | 64 min |
| Jun 7, 6:43 AM CDT | Severe Thunderstorm Warning | LSX | Perry, Randolph | 47 min |
| Jun 7, 4:19 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 56 min |
| Jun 7, 4:19 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 41 min |
| Jun 7, 4:19 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 41 min |
| Jun 7, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | Bond | 36 min |
Nearby
Flash Flood Warnings in Missouri, 1990Flash Flood Warnings in Illinois, 1990Every flash flood warning in 1990
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.