Alert archive / Illinois / Areal Flood Advisories in 2021
Areal Flood Advisory 19, NWS Lincoln, IL
NWS Lincoln, IL issued this areal flood advisory at Jul 25, 2021, 6:56 AM CDT for Clay County, Richland County, Illinois. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 25, 2021, 6:56 AM CDT (11:56 UTC)
- Expired
- Jul 25, 2021, 9:27 AM CDT
- In force
- 3 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
Counties Clay County, IL, Richland County, IL
The radar
The Evansville,IN radar (KVWX), 72 km from the middle of the area, began a volume at 11:59 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
Lincoln, IL (KILX), launched 00:00Z, 11.9 hours before the alert went out and 160 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
- 2275 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1261 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 13.1
What forecasters said that day
The local office's own words before this areal flood advisory 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 areal flood advisory went out at Jul 25, 5:45 AM CDT, 1 hour 11 minutes earlier.
Area forecast discussion, Jul 25, 5:45 AM CDT, 1 hour 11 minutes before
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</html>Hazardous weather outlook, Jul 24, 3:26 PM CDT, 15 hours 30 minutes before
Hazardous Weather Outlook National Weather Service Lincoln IL 326 PM CDT Sat Jul 24 2021 ILZ027>031-037-038-251100- Knox-Marshall-McLean-Peoria-Stark-Tazewell-Woodford- 326 PM CDT Sat Jul 24 2021 This Hazardous Weather Outlook is for portions of central Illinois and west central Illinois. .DAY ONE...TONIGHT... Scattered thunderstorms are expected to move south into the area this evening. Some of the storms may be severe, with the primary hazards being damaging winds and isolated large hail. An isolated tornado is also possible. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... Afternoon heat index values in the mid 90s to around 100 degrees are expected on Sunday, and from 100 to 105 degrees on Wednesday and perhaps Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this evening, most likely between 6 pm and 10 pm. ILZ036-040-041-047-049-050-251100- Cass-Fulton-Mason-Morgan-Schuyler-Scott- 326 PM CDT Sat Jul 24 2021 This Hazardous Weather Outlook is for portions of west central Illinois. .DAY ONE...TONIGHT... Scattered thunderstorms are expected later this evening. The stronger storms may cause isolated damaging winds. Flooding will continue along the Illinois River from Havana to Beardstown. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... Afternoon heat index values in the upper 90s to around 100 degrees are expected each day through Tuesday, then around 105 degrees on Wednesday and Thursday. A few thunderstorms are possible at times Sunday afternoon south of I-72, although severe weather is not expected. Lingering flooding on the Illinois River should subside around mid week. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight, most likely after 9 pm. ILZ042>046-048-051>057-061-251100- Champaign-Christian-Coles-De Witt-Douglas-Edgar-Logan-Macon- Menard-Moultrie-Piatt-Sangamon-Shelby-Vermilion- 326 PM CDT Sat Jul 24 2021 This Hazardous Weather Outlook is for portions of central Illinois and east central Illinois. .DAY ONE...TONIGHT... While isolated thunderstorms are possible through early evening, better chances are expected after sunset. The stronger storms will be capable of producing isolated damaging winds. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... Afternoon heat index values in the mid 90s to around 100 degrees are expected on Sunday, and again Tuesday through Thursday. A few thunderstorms are possible on Sunday, mainly south of a Springfield to Danville line, but they are not expected to be severe. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight, mainly after 9 pm. ILZ062-063-066>068-071>073-251100- Clark-Clay-Crawford-Cumberland-Effingham-Jasper-Lawrence-Richland- 326 PM CDT Sat Jul 24 2021 This Hazardous Weather Outlook is for portions of east central Illinois and southeast Illinois. .DAY ONE...TONIGHT... Isolated thunderstorms will be possible this evening, and again after midnight. The severe weather threat should be further north. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... Afternoon heat index values in the mid 90s to around 100 degrees are expected on Sunday, and again Tuesday through Thursday. Scattered thunderstorms are expected Sunday and Monday, but these are currently not expected to be severe. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. Geelhart
In the hours before
Special weather statement, Jul 25, 3:05 AM CDT, 3 hours 51 minutes before
Special Weather Statement
National Weather Service Lincoln IL
305 AM CDT Sun Jul 25 2021
ILZ068-073-250845-
Lawrence-Crawford-
305 AM CDT Sun Jul 25 2021
...A strong thunderstorm will impact portions of northeastern
Lawrence and southern Crawford Counties through 345 AM CDT...
At 305 AM CDT, Doppler radar was tracking a strong thunderstorm over
New Hebron, or over Robinson, moving southeast at 30 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
This strong thunderstorm will be near...
Palestine around 310 AM CDT.
Flat Rock around 315 AM CDT.
Birds around 325 AM CDT.
Other locations in the path of this storm include Russellville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3870 8752 3864 8762 3892 8794 3910 8763
3905 8758 3899 8756 3899 8758 3896 8751
3890 8752 3889 8754 3888 8753 3886 8755
3885 8753 3882 8753 3879 8750 3877 8751
3874 8750
TIME...MOT...LOC 0805Z 319DEG 25KT 3897 8774
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
ShimonLocal storm report, Jul 25, 4:00 AM CDT, 2 hours 56 minutes before
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</html>Local storm report, Jul 25, 6:36 AM CDT, 20 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 |
|---|---|---|---|---|
| Jul 24, 7:05 PM CDT | Special Weather Statement | ILX | Tazewell | 25 min |
| Jul 24, 7:28 PM CDT | Special Weather Statement | ILX | Tazewell | 32 min |
| Jul 24, 8:36 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 39 min |
| Jul 24, 9:04 PM CDT | Special Weather Statement | ILX | Schuyler | 26 min |
| Jul 24, 9:45 PM CDT | Special Weather Statement | ILX | Vermilion | 30 min |
| Jul 25, 3:05 AM CDT | Special Weather Statement | ILX | Crawford | 40 min |
Nearby
Areal Flood Advisories in Illinois, 2021Every areal flood advisory in 2021
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.