Alert archive / Missouri / Freeze Warnings in 2022
Freeze Warning 5, NWS St. Louis, MO
NWS St. Louis, MO issued this freeze warning at Oct 7, 2022, 2:42 AM CDT for 8 counties in Missouri; Adams County, Brown County, Pike County, Illinois. It took effect at Oct 8, 2022, 1:00 AM CDT. It was in force for 8 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
- Oct 7, 2022, 2:42 AM CDT (07:42 UTC)
- In effect from
- Oct 8, 2022, 1:00 AM CDT
- Expired
- Oct 8, 2022, 9:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
Counties Adams County, IL, Brown County, IL, Pike County, IL, Audrain County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 07:42 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, 7.7 hours before the alert went out and 255 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
- 67 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1597 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before this freeze warning went out at Oct 6, 10:38 PM CDT, 4 hours 4 minutes earlier.
Area forecast discussion, Oct 6, 10:38 PM CDT, 4 hours 4 minutes before
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</html>The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 2:42 AM CDT | Frost Advisory | LSX | Boone, Callaway, Cole, Crawford, Franklin, Gasconade and 15 more | 30 hr |
Nearby
Freeze Warnings in Missouri, 2022Freeze Warnings in Illinois, 2022Every freeze warning in 2022
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.