Alert archive / Illinois / Areal Flood Warnings in 2022
Areal Flood Warning 9, NWS St. Louis, MO
NWS St. Louis, MO issued this areal flood warning at Aug 2, 2022, 9:58 AM CDT for Fayette County, Illinois. It was in force for 92 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 2, 2022, 9:58 AM CDT (14:58 UTC)
- Expired
- Aug 2, 2022, 11:30 AM CDT
- In force
- 92 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Fayette County, IL
The radar
The Lincoln radar (KILX), 131 km from the middle of the area, began a volume at 14:59 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
Davenport, (KDVN), launched 12:00Z, 3.0 hours before the alert went out and 317 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
- 40 J/kg
- Mixed-layer CIN
- -405 J/kg
- Mixed-layer LCL
- 1661 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood 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 areal flood warning went out at Aug 2, 6:34 AM CDT, 3 hours 24 minutes earlier.
Area forecast discussion, Aug 2, 6:34 AM CDT, 3 hours 24 minutes before
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</html>Hazardous weather outlook, Aug 2, 4:17 AM CDT, 5 hours 41 minutes before
Hazardous Weather Outlook National Weather Service St Louis MO 417 AM CDT Tue Aug 2 2022 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-031200- Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Madison IL-Saint Clair-Monroe IL-Knox MO- Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO- Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO- Madison MO-Reynolds MO- 417 AM CDT Tue Aug 2 2022 This Hazardous Weather Outlook is for portions of eastern and central Missouri as well as west central and southwest Illinois. .DAY ONE...Today and tonight. There is a chance for thunderstorms across parts of northeast Missouri as well as west central and south central Illinois this morning. There is another chance for thunderstorms across parts of southeast Missouri this afternoon and this evening...mainly along and south of Interstate 44. Hot and humid conditions will continue to produce heat index values around 105 degrees this afternoon. A Heat Advisory is now in effect for the entire area. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Hot and humid conditions will continue to produce heat index values around 105 degrees on Wednesday afternoon. A heat advisory continues for the entire area Wednesday afternoon. Thunderstorms continue to be possible Wednesday afternoon through Friday. A storm or two may be strong to severe late Wednesday afternoon into Wednesday evening. The storms Wednesday night may produce locally heavy rain. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. Carney
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:00 PM CDT | Heat Advisory | LSX | Saint Charles, Saint Louis, City of Saint Louis | 28 hr |
| Aug 2, 3:03 PM CDT | Severe Thunderstorm Warning | LSX | Osage | 27 min |
| Aug 2, 3:28 PM CDT | Severe Thunderstorm Warning | LSX | Osage | 32 min |
| Aug 2, 3:45 PM CDT | Flash Flood Warning | LSX | Osage | 3 hr |
| Aug 2, 12:56 AM CDT | Flash Flood Warning | LSX | Marion | 3 hr |
| Aug 2, 8:38 AM CDT | Flash Flood Warning | LSX | Fayette | 80 min |
| Aug 2, 11:26 AM CDT | Areal Flood Warning | LSX | Fayette | 3 hr |
Nearby
Areal Flood Warnings in Illinois, 2022Every areal flood 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.