Alert archive / Iowa / Flash Flood Watches in 2019

Flash Flood Watch 4, NWS Quad Cities, IA

May 18, 201921 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this flash flood watch at May 18, 2019, 2:40 AM CDT for 21 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at May 18, 2019, 4:00 PM CDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: May 18, 2019, 2:40 AM CDT (07:40 UTC)
In effect from: May 18, 2019, 4:00 PM CDT
Expired: May 19, 2019, 2:31 AM CDT
In force: 11 hr
Issued by: NWS Quad Cities, IA
Flood severity: None

All 36 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 07:43 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 May 18, 12:56 AM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, May 18, 12:56 AM CDT, 1 hour 44 minutes before

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Hazardous weather outlook, May 17, 9:01 PM CDT, 5 hours 39 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
May 17, 9:09 PM CDT	River Flood Warning	DVN	Johnson, Washington	15 days
May 18, 8:56 AM CDT	River Flood Warning	DVN	Clinton, Scott	4 days
May 18, 8:58 AM CDT	River Flood Warning	DVN	Des Moines, Henry, Lee	18 days
May 18, 9:20 AM CDT	River Flood Warning	DVN	Johnson, Louisa, Washington	4 days
May 18, 9:22 AM CDT	River Flood Warning	DVN	Louisa	21 days
May 18, 9:23 AM CDT	Special Weather Statement	DVN	Clinton, Scott	37 min
May 18, 9:25 AM CDT	River Flood Warning	DVN	Louisa	25 days
May 18, 9:40 AM CDT	River Flood Warning	DVN	Lee	52 hr
May 18, 10:23 AM CDT	River Flood Warning	DVN	Dubuque	25 days
May 18, 10:23 AM CDT	River Flood Warning	DVN	Clinton	27 days
May 18, 10:23 AM CDT	River Flood Warning	DVN	Scott	27 days
May 18, 3:34 PM CDT	Special Weather Statement	DVN	Lee	56 min
May 18, 5:24 PM CDT	Special Weather Statement	DVN	Des Moines, Henry, Jefferson, Keokuk, Louisa, Washington	36 min
May 18, 6:51 PM CDT	Special Weather Statement	DVN	Van Buren	69 min
May 18, 6:54 PM CDT	Special Weather Statement	DVN	Iowa, Keokuk	36 min
May 18, 9:08 AM CDT	River Flood Warning	DVN	Henry, Rock Island	5 days
May 18, 9:29 AM CDT	Special Weather Statement	DVN	Clark	46 min
May 18, 6:58 PM CDT	Severe Thunderstorm Warning	DVN	Scotland	40 min

Nearby

Flash Flood Watches in Iowa, 2019 Flash Flood Watches in Illinois, 2019 Flash Flood Watches in Missouri, 2019 Every flash flood watch in 2019

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.