Alert archive / Illinois / Flood Watches in 2020
Flood Watch 3, NWS Lincoln, IL
NWS Lincoln, IL issued this flood watch at Apr 25, 2020, 1:52 AM CDT for 16 counties in Illinois. It took effect at Apr 25, 2020, 4:00 AM CDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Apr 25, 2020, 1:52 AM CDT (06:52 UTC)
- In effect from
- Apr 25, 2020, 4:00 AM CDT
- Expired
- Apr 26, 2020, 1:00 AM CDT
- In force
- 21 hr
- Issued by
- NWS Lincoln, IL
- Flood severity
- None
Counties Cass County, IL, Fulton County, IL, Knox County, IL, Logan County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Peoria County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Tazewell County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 47 km from the middle of the area, began a volume at 06:51 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, 6.9 hours before the alert went out and 106 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
- 32 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 700 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lincoln, IL wrote its last area forecast discussion before this flood watch went out at Apr 24, 11:49 PM CDT, 2 hours 3 minutes earlier.
Area forecast discussion, Apr 24, 11:49 PM CDT, 2 hours 3 minutes before
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</html>Hazardous weather outlook, Apr 24, 3:41 PM CDT, 10 hours 11 minutes before
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</html>The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 8:57 AM CDT | River Flood Warning | ILX | Cass, Mason | 13 days |
| Apr 25, 9:09 AM CDT | River Flood Warning | ILX | Cass, Fulton, Mason | 55 days |
| Apr 25, 9:10 AM CDT | River Flood Warning | ILX | Brown, Cass, Morgan, Schuyler | 57 days |
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.