Alert archive / Missouri / Flood Watches in 2024
Flood Watch 10, NWS St. Louis, MO
NWS St. Louis, MO issued this flood watch at Aug 13, 2024, 9:41 PM CDT for 15 counties in Missouri. It took effect at Aug 14, 2024, 4:00 AM CDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2024, 9:41 PM CDT (02:41 UTC)
- In effect from
- Aug 14, 2024, 4:00 AM CDT
- Expired
- Aug 14, 2024, 3:00 PM CDT
- In force
- 11 hr
- Issued by
- NWS St. Louis, MO
- Flood severity
- None
Counties Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Reynolds County, MO, Shelby County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 85 km from the middle of the area, began a volume at 02:41 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, 2.7 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
- 82 J/kg
- Mixed-layer CIN
- -158 J/kg
- Mixed-layer LCL
- 951 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 438 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
Nearby
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.