Alert archive / Missouri / Flash Flood Warnings in 1997
Flash Flood Warning 8, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 22, 1997, 1:15 AM CDT for Montgomery 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
- Jun 22, 1997, 1:15 AM CDT (06:15 UTC)
- Expired
- Jun 22, 1997, 5:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Montgomery County, MO
The radar
The St Louis radar (KLSX), 73 km from the middle of the area, began a volume at 06:14 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 00:00Z, 6.3 hours before the alert went out and 280 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
- 301 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1421 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- -81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 220616 FFWSTL MOC139-221015- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 115 AM CDT SUN JUN 22 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 515 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MISSOURI ...MONTGOMERY COUNTY AT 1 AM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF VERY HEAVY THUNDERSTORMS FROM JUST WEST OF COLUMBIA EAST SOUTHEAST THROUGH MONTGOMERY COUNTY TO 40 MILES SOUTH OF ST LOUIS. SINCE MIDNIGHT THE STORMS TO THE WEST OF MONTGOMERY COUNTY HAVE BEEN STRENGTHENING. EACH STORM HAS BEEN FOLLOWING THE PREVIOUS STORM IN A SIMILAR PATH AND WILL BE MOVING ACROSS THE COUNTY FOR THE NEXT SEVERAL HOURS. COPIOUS AMOUNTS OF RAIN CAN FALL IN A SHORT PERIOD OF TIME. EXERCISE GREAT CAUTION IF YOU ARE TRAVELLING...ESPECIALLY IN SECONDARY ROADS. THIS IS EVOLVING INTO A VERY DANGEROUS SITUATION. BE CAREFUL! 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. PEDIGO
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:39 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 51 min |
| Jun 21, 8:31 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 44 min |
| Jun 21, 10:22 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade | 68 min |
| Jun 21, 11:45 PM CDT | Flash Flood Warning | LSX | Crawford, Franklin, Jefferson, Washington | 5 hr |
| Jun 22, 12:48 AM CDT | Flash Flood Warning | LSX | Warren | 4 hr |
| Jun 22, 2:49 AM CDT | Flash Flood Warning | LSX | Callaway | 3 hr |
| Jun 22, 3:44 AM CDT | Flash Flood Warning | LSX | Audrain | 3 hr |
| Jun 22, 4:50 AM CDT | Flash Flood Warning | LSX | Audrain, Callaway, Monroe, Montgomery | 4 hr |
| Jun 22, 4:50 AM CDT | Flash Flood Warning | LSX | Crawford, Gasconade | 4 hr |
| Jun 22, 5:41 AM CDT | Flash Flood Warning | LSX | Boone | 3 hr |
| Jun 22, 7:05 AM CDT | Flash Flood Warning | LSX | Shelby | 4 hr |
| Jun 22, 7:36 AM CDT | Flash Flood Warning | LSX | Knox | 3 hr |
Nearby
Flash Flood Warnings in Missouri, 1997Every flash flood warning in 1997
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.