Alert archive / Missouri / Flash Flood Warnings in 2000
Flash Flood Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 7, 2000, 2:23 AM CDT for Saint Charles County, Saint Louis County, 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
- May 7, 2000, 2:23 AM CDT (07:23 UTC)
- Expired
- May 7, 2000, 7:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
The radar
The St Louis radar (KLSX), 11 km from the middle of the area, began a volume at 07:26 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, 7.4 hours before the alert went out and 232 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
- 178 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1032 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLSX 070722 FFWLSX MOC183-189-071200- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 223 AM CDT SUN MAY 7 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI * UNTIL 700 AM CDT * AT 200 AM NWS DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS WHICH HAS REMAINED JUST TO THE WEST OF THE ST LOUIS METRO AREA FOR SEVERAL HOURS. THEY ARE NOW DEVELOPING FURTHER EASTWARD INTO WESTERN PORTIONS OF THE ST LOUIS METRO AREA INCLUDING CHESTERFIELD AND WILDWOOD...SOUTH TO NEAR I-44. ST. CHARLES COUNTY NEAR AUGUSTA AND DUTZOW AND OTHER AREAS NEAR THE MISSOURI RIVER. TWO TO THREE INCHES HAVE ALREADY FALLEN AND SEVERAL MORE INCHES OF RAIN WILL FALL IN SOUTHERN ST CHARLES COUNTY BEFORE MORNING. * COPIOUS RAINS HAVE BEEN FALLING THROUGH FRANKLIN...UP TO 4 TO 8 INCHES HAVE ALREADY FALLEN AND IT IS STILL POURING THERE. SOME AREAS OF THE WEST METRO AREA WILL EXPERIENCE VERY, VERY HEAVY RAINS AND SIGNIFICANT FLASH FLOODING IS LIKELY. SEVERAL INCHES OF RAIN WILL FALL THROUGH THE NIGHT. THIS IS AN EXTREMELY SERIOUS SITUATION! BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW DEEP THE WATER MAY BE. MOTORISTS SHOULD NEVER DRIVE THROUGH WATER OF UNKNOWN DEPTH. PEDIGO/BRITT &
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 12:53 AM CDT | Flash Flood Warning | LSX | Franklin, Gasconade | 5 hr |
| May 7, 2:05 AM CDT | Severe Thunderstorm Warning | LSX | Franklin | 55 min |
| May 7, 4:22 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Washington | 38 min |
| May 7, 4:49 AM CDT | Flash Flood Warning | LSX | Jefferson | 4 hr |
| May 7, 6:32 AM CDT | Flash Flood Warning | LSX | Franklin, Saint Charles, Saint Louis | 2 hr |
Nearby
Flash Flood Warnings in Missouri, 2000Every flash flood warning in 2000
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.