Alert archive / Illinois / Special Weather Statements in 2020
Special Weather Statement, NWS Lincoln, IL
NWS Lincoln, IL issued this special weather statement at May 28, 2020, 4:28 PM CDT for Marshall County, Peoria County, Illinois. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 28, 2020, 4:28 PM CDT (21:28 UTC)
- Expired
- May 28, 2020, 5:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Lincoln, IL
Counties Marshall County, IL, Peoria County, IL
The radar
The Lincoln radar (KILX), 96 km from the middle of the area, began a volume at 21:29 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, 9.5 hours before the alert went out and 109 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
- 144 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 536 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at May 28, 3:31 PM CDT, 57 minutes earlier.
Area forecast discussion, May 28, 3:31 PM CDT, 57 minutes before
Area Forecast Discussion National Weather Service Lincoln IL 331 PM CDT Thu May 28 2020 .SYNOPSIS... Issued at 330 PM CDT Thu May 28 2020 A cold front will move across the region this evening, exiting the state during the overnight hours. Showers and storms have developed along this boundary and will spread across the region this evening and overnight; then exit the state late Friday morning. Cooler air will filter in behind the front for the end of the week and through the weekend. High pressure will also build in behind the front for the weekend, bringing more spring- like conditions to the Midwest. && .SHORT TERM...(This evening through Friday) ISSUED AT 330 PM CDT Thu May 28 2020 Showers and storms have developed along a frontal system across west central Illinois and will slowly move across the area this evening. Other scattered showers and storms have developed across eastern Illinois as well and are moving northeast across the area. The frontal boundary will slowly move east this evening across most of the area and then overnight across eastern IL. Hi Res convective models indicated that after sunset with the loss of heating/instability, the precip will become more scattered in nature, even in areas where there is a wider coverage...across west central IL. But forcing along this boundary is weak, even as it moves slowly east through the night. So will start with some higher pops but as the night progresses, have slowly reduced pops to more chance pops than likely...though will keep likely pops along the frontal boundary as it moves east. Due to the general diminishing of coverage this evening after sunset, do not think any type of flood watch is warranted; however, some stronger storms, or training storms, could produce brief heavy rain. Once the front moves through tomorrow morning, dry weather will build in and cooler weather will move into the region. && .LONG TERM...(Friday night through Thursday) ISSUED AT 330 PM CDT Thu May 28 2020 Overall pattern through the extended period is one of a building ridge out west and northwest flow across the midwest. This typically means dry weather with any storms systems moving across the northern plains and through the Great Lakes region. So, most of the area will be dry through the weekend and into next week with small chances of precip in the far north parts of the CWA. The ridge might begin to flatten some mid week so chance of shower and storms could return to the whole CWA for Wed through Thursday. Cooler temps are expected through the weekend and into next week. However, warmer temps begin to build back into the area Tue with mid to upper 80s possible Tue through Thur. && .AVIATION...(For the 18Z TAFS through 18Z Friday afternoon) Issued at 1254 PM CDT Thu May 28 2020 VFR conditions will start each site this afternoon, but convection has already developed south of DEC and CMI near 1h2 and will be moving north early this afternoon. Since unsure if storms will actually be within 5sm of the site, will have VCTS for both sites this afternoon for several hours. As the boundary moves into the area later this afternoon through this evening, clouds will lower to below 2kft and showers will occur...off and on. Will also include vcts for each of the sites later this afternoon and evening as storms should be isolated then. Since front is moving slowly and short range models have precip becoming more scattered, will switch all sites to VCSH this evening...PIA first, then CMI last. Precip will end at all sites overnight, but MVFR cigs around 2kft will continue into the morning hours. As front moves in and through the area, winds will become westerly then northeasterly. && .ILX WATCHES/WARNINGS/ADVISORIES... NONE. && SYNOPSIS...Auten SHORT TERM...Auten LONG TERM...Auten AVIATION...Auten
Hazardous weather outlook, May 28, 3:04 PM CDT, 1 hour 24 minutes before
Hazardous Weather Outlook National Weather Service Lincoln IL 304 PM CDT Thu May 28 2020 ILZ027>031-036-037-040-041-047-049-050-291100- Cass-Fulton-Knox-Marshall-Mason-Morgan-Peoria-Schuyler-Scott- Stark-Tazewell-Woodford- 304 PM CDT Thu May 28 2020 This Hazardous Weather Outlook is for portions of central Illinois and west central Illinois. .DAY ONE...TONIGHT... Major flooding will continue on the Illinois River near Havana, as well as downstream from Beardstown. Moderate flooding will persist along the remainder of the river. Scattered thunderstorms will occur through tonight. Severe weather is not expected, however locally heavy downpours and gusty winds will be possible with the stronger storms. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... Moderate to major flooding will continue along the Illinois River through the entire period. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. ILZ038-042>046-048-051>057-061>063-066-067-071-072-291100- Champaign-Christian-Clark-Clay-Coles-Cumberland-De Witt-Douglas- Edgar-Effingham-Jasper-Logan-Macon-McLean-Menard-Moultrie-Piatt- Richland-Sangamon-Shelby-Vermilion- 304 PM CDT Thu May 28 2020 This Hazardous Weather Outlook is for portions of central Illinois, east central Illinois and southeast Illinois. .DAY ONE...TONIGHT... Scattered thunderstorms will occur through tonight. Severe weather is not expected, however locally heavy downpours and gusty winds will be possible with the stronger storms. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. ILZ068-073-291100- Crawford-Lawrence- 304 PM CDT Thu May 28 2020 This Hazardous Weather Outlook is for portions of southeast Illinois. .DAY ONE...TONIGHT... Scattered thunderstorms will occur through tonight. Severe weather is not expected, however locally heavy downpours and gusty winds will be possible with the stronger storms. Lingering flooding on the Wabash River will diminish through late tonight. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... Isolated thunderstorms will linger into Friday morning. These are not expected to be severe. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. Barnes
In the hours before
Special weather statement, May 28, 4:28 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Lincoln IL
428 PM CDT Thu May 28 2020
ILZ028>031-036-282215-
Marshall-Peoria-Woodford-Stark-Fulton-
428 PM CDT Thu May 28 2020
...SIGNIFICANT WEATHER ADVISORY FOR WESTERN MARSHALL...NORTHWESTERN
WOODFORD...NORTHEASTERN FULTON...SOUTHEASTERN STARK AND PEORIA
COUNTIES UNTIL 515 PM CDT...
At 427 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles northeast of Camp Grove to near
Trivoli. Movement was east at 10 mph.
Winds in excess of 40 mph will be possible with these storms. In
addition, brief land spout tornadoes may be possible.
Locations impacted include...
Peoria, Lacon, Bartonville, Chillicothe, West Peoria, Henry,
Bellevue, Princeville, Rome, Dunlap, Hanna City, Trivoli, Brimfield,
Spring Bay, Sparland, Bay View Gardens, Camp Grove, Kickapoo, Peoria
Heights and Norwood.
This includes the following highways...
Interstate 474 between mile markers 0 and 6.
Interstate 74 between mile markers 74 and 92.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4112 8933 4110 8935 4110 8927 4066 8963
4068 9000 4115 8963 4115 8933
TIME...MOT...LOC 2127Z 274DEG 8KT 4114 8951 4074 8987
DeubelbeissThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 4:46 PM CDT | Tornado Warning | ILX | Marshall, Peoria | 15 min |
| May 28, 5:37 PM CDT | Special Weather Statement | ILX | DeWitt | 23 min |
| May 28, 6:03 PM CDT | Flash Flood Warning | ILX | Marshall | 3 hr |
| May 28, 6:15 PM CDT | Tornado Warning | ILX | Christian | 30 min |
Nearby
Special Weather Statements in Illinois, 2020Every special weather statement in 2020
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.