Alert archive / Illinois / Flash Flood Watches in 2021
Flash Flood Watch 4, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood watch at Jun 28, 2021, 3:13 AM CDT for 16 counties in Illinois. It took effect at Jun 28, 2021, 7:00 AM CDT. It was in force for 36 hr.
The area
The counties it named.
The facts
- Issued
- Jun 28, 2021, 3:13 AM CDT (08:13 UTC)
- In effect from
- Jun 28, 2021, 7:00 AM CDT
- Expired
- Jun 29, 2021, 7:00 PM CDT
- In force
- 36 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 08:17 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, 8.2 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
- 406 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted.
703 WGUS63 KILX 280813 FFAILX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Lincoln IL 313 AM CDT Mon Jun 28 2021 ILZ027>031-036>038-040>042-047>051-281615- /O.NEW.KILX.FF.A.0004.210628T1200Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler- Mason-Logan-Cass-Menard-Scott-Morgan-Sangamon- Including the cities of Lincoln, Rushville, Winchester, Normal, Jacksonville, Peoria, Beardstown, Toulon, Canton, Havana, Pekin, Petersburg, Bloomington, Eureka, Galesburg, Lacon, and Springfield 313 AM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH TUESDAY EVENING... The National Weather Service in Lincoln has issued a * Flash Flood Watch for portions of central Illinois and west central Illinois, including the following counties, in central Illinois, Logan, Marshall, Mason, McLean, Menard, Peoria, Sangamon, Stark, Tazewell and Woodford. In west central Illinois, Cass, Fulton, Knox, Morgan, Schuyler and Scott. * From 7 AM CDT this morning through Tuesday evening * Additional showers and thunderstorms capable of producing heavy rain are expected across portions of central Illinois today and Tuesday. Some of these storms will be capable of producing torrential rain that will result in flash flooding. Heavy rain has already fallen over a number of areas resulting in saturated soils. * Flooding of ditches, farm fields, and roadways as well as rises in area streams and rivers are possible. In urban areas, flooding of basements is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Deubelbeiss
4 follow-up statements
515 WGUS63 KILX 281553 FFAILX Flood Watch National Weather Service Lincoln IL 1053 AM CDT Mon Jun 28 2021 ILZ027>031-036>038-040>042-047>051-290600- /O.CON.KILX.FF.A.0004.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler- Mason-Logan-Cass-Menard-Scott-Morgan-Sangamon- Including the cities of Lincoln, Rushville, Winchester, Normal, Jacksonville, Peoria, Beardstown, Toulon, Canton, Havana, Pekin, Petersburg, Bloomington, Eureka, Galesburg, Lacon, and Springfield 1053 AM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING... The Flash Flood Watch continues for * Portions of central Illinois and west central Illinois, including the following counties, in central Illinois, Logan, Marshall, Mason, McLean, Menard, Peoria, Sangamon, Stark, Tazewell and Woodford. In west central Illinois, Cass, Fulton, Knox, Morgan, Schuyler and Scott. * Through Tuesday evening * Additional showers and thunderstorms capable of producing heavy rain are expected across portions of central Illinois today and Tuesday. Some of these storms will be capable of producing torrential rain that will result in flash flooding. Heavy rain has already fallen over a number of areas resulting in saturated soils. * Flooding of ditches, farm fields, and roadways as well as rises in area streams and rivers are possible. In urban areas, flooding of basements is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ NMB
590 WGUS63 KILX 290050 FFAILX Flood Watch National Weather Service Lincoln IL 750 PM CDT Mon Jun 28 2021 ILZ027>031-036>038-040>042-047>051-291000- /O.CON.KILX.FF.A.0004.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler- Mason-Logan-Cass-Menard-Scott-Morgan-Sangamon- Including the cities of Lincoln, Rushville, Winchester, Normal, Jacksonville, Peoria, Beardstown, Toulon, Canton, Havana, Pekin, Petersburg, Bloomington, Eureka, Galesburg, Lacon, and Springfield 750 PM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING... The Flash Flood Watch continues for * Portions of central Illinois and west central Illinois, including the following counties, in central Illinois, Logan, Marshall, Mason, McLean, Menard, Peoria, Sangamon, Stark, Tazewell and Woodford. In west central Illinois, Cass, Fulton, Knox, Morgan, Schuyler and Scott. * Through Tuesday evening * Additional showers and thunderstorms capable of producing heavy rain are expected across portions of central Illinois tonight and Tuesday. Some of these storms will be capable of producing torrential rain, that will result in flash flooding. Heavy rain has already fallen over the region recently, resulting in saturated soils. * Flooding of ditches, farm fields, and roadways as well as rises in area streams and rivers are possible. In urban areas, flooding of basements is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Geelhart
087 WGUS63 KILX 290813 FFAILX Flood Watch National Weather Service Lincoln IL 313 AM CDT Tue Jun 29 2021 ILZ027>031-036>038-040>042-047>051-300000- /O.CON.KILX.FF.A.0004.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- Schuyler-Mason-Logan-Cass-Menard-Scott-Morgan-Sangamon- Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka, Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln, Beardstown, Petersburg, Winchester, Jacksonville, and Springfield 313 AM CDT Tue Jun 29 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... The Flash Flood Watch continues for * Portions of central Illinois and west central Illinois, including the following areas, in central Illinois, Logan, Marshall, Mason, McLean, Menard, Peoria, Sangamon, Stark, Tazewell, and Woodford. In west central Illinois, Cass, Fulton, Knox, Morgan, Schuyler, and Scott. * Through this evening * Additional showers and thunderstorms capable of producing heavy rain are expected across portions of central Illinois today. Some of these storms will be capable of producing torrential rain, that will result in flash flooding. Heavy rain has already fallen over the watch area recently, resulting in saturated soils. * Flooding of ditches, farm fields, and roadways as well as rises in area streams and rivers are possible. In urban areas, flooding of basements is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Shimon
691 WGUS63 KILX 300001 FFAILX Flood Watch National Weather Service Lincoln IL 701 PM CDT Tue Jun 29 2021 ILZ027>031-036>038-040>042-047>051-300115- /O.EXP.KILX.FF.A.0004.000000T0000Z-210630T0000Z/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler- Mason-Logan-Cass-Menard-Scott-Morgan-Sangamon- Including the cities of Lincoln, Rushville, Winchester, Normal, Jacksonville, Peoria, Beardstown, Toulon, Canton, Havana, Pekin, Petersburg, Bloomington, Eureka, Galesburg, Lacon, and Springfield 701 PM CDT Tue Jun 29 2021 ...FLASH FLOOD WATCH HAS EXPIRED... The Flash Flood Watch for portions of central Illinois and west central Illinois, including areas along and west of I-55, has been allowed to expire. While individual thunderstorms will be capable of producing locally heavy rain this evening, a widespread flood risk is not expected to continue through the night. $$ Geelhart
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 8:41 PM CDT | Areal Flood Advisory | ILX | Coles, Cumberland | 7 hr |
| Jun 27, 10:18 PM CDT | Areal Flood Advisory | ILX | Coles | 51 min |
| Jun 27, 11:09 PM CDT | Areal Flood Warning | ILX | Coles | 14 hr |
| Jun 27, 11:35 PM CDT | Areal Flood Advisory | ILX | Christian, Macon, Shelby | 3 hr |
Nearby
Flash Flood Watches in Illinois, 2021Every flash flood watch 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.