Alert archive / Illinois / Flash Flood Watches in 2009

Flash Flood Watch 4, NWS Quad Cities, IA

April 29, 2009Lee County, Van Buren County, Iowa; 5 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this flash flood watch at Apr 29, 2009, 3:35 PM CDT for Lee County, Van Buren County, Iowa; 5 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Apr 29, 2009, 10:00 PM CDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Apr 29, 2009, 3:35 PM CDT (20:35 UTC)
In effect from: Apr 29, 2009, 10:00 PM CDT
Expired: Apr 30, 2009, 10:48 AM CDT
In force: 13 hr
Issued by: NWS Quad Cities, IA
Flood severity: None

Counties Lee County, IA, Van Buren County, IA, Hancock County, IL, Henderson County, IL, McDonough County, IL, Putnam County, IL, Warren County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 114 km from the middle of the area, began a volume at 20:36 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.

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this flash flood watch went out at Apr 29, 3:10 PM CDT, 25 minutes earlier.

Area forecast discussion, Apr 29, 3:10 PM CDT, 25 minutes before

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Hazardous weather outlook, Apr 29, 4:24 AM CDT, 11 hours 11 minutes before

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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 8:56 AM CDT	River Flood Warning	DVN	Louisa	6 days

Nearby

Flash Flood Watches in Illinois, 2009 Flash Flood Watches in Iowa, 2009 Flash Flood Watches in Missouri, 2009 Every flash flood watch in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.