Alert archive / Illinois / Flood Watches in 2024

Flood Watch 7, NWS Lincoln, IL

July 29, 20247 counties in Illinois

NWS Lincoln, IL issued this flood watch at Jul 29, 2024, 1:29 AM CDT for 7 counties in Illinois. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 29, 2024, 1:29 AM CDT (06:29 UTC)
Expired: Jul 29, 2024, 7:06 AM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Flood severity: None

Counties Fulton County, IL, Knox County, IL, Mason County, IL, Peoria County, IL, Schuyler County, IL, Stark County, IL, Tazewell County, IL

The radar

The Lincoln radar (KILX), 75 km from the middle of the area, began a volume at 06:29 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 00:00Z, 6.5 hours before the alert went out and 121 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1559 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1122 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jul 28, 11:44 PM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, Jul 28, 11:44 PM CDT, 1 hour 45 minutes before

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Hazardous weather outlook, Jul 28, 3:09 PM CDT, 10 hours 20 minutes before

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In the hours before

Local storm report, Jul 29, 12:59 AM CDT, 30 minutes before

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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 29, 5:25 AM CDT	Special Weather Statement	ILX	Cass, Fulton, Schuyler	50 min
Jul 29, 5:56 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Logan, Menard, Morgan, Sangamon, Scott	34 min
Jul 29, 7:41 AM CDT	Special Weather Statement	ILX	Champaign, Douglas, Piatt	34 min
Jul 29, 8:05 AM CDT	Special Weather Statement	ILX	Vermilion	40 min
Jul 29, 12:32 PM CDT	Special Weather Statement	ILX	Clark	28 min

Nearby

Flood Watches in Illinois, 2024 Every flood watch in 2024

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.