Alert archive / Iowa / Flash Flood Watches in 2019

Flash Flood Watch 13, NWS Quad Cities, IA

July 17, 20198 counties in Iowa; 4 counties in Illinois

NWS Quad Cities, IA issued this flash flood watch at Jul 17, 2019, 4:00 AM CDT for 8 counties in Iowa; 4 counties in Illinois. It took effect at Jul 17, 2019, 7:00 PM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Jul 17, 2019, 4:00 AM CDT (09:00 UTC)
In effect from: Jul 17, 2019, 7:00 PM CDT
Expired: Jul 18, 2019, 10:00 AM CDT
In force: 15 hr
Issued by: NWS Quad Cities, IA
Flood severity: None

Counties Benton County, IA, Buchanan County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Jackson County, IA, Jones County, IA, Linn County, IA, Carroll County, IL, Jo Daviess County, IL, Stephenson County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 67 km from the middle of the area, began a volume at 09:00 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 Jul 17, 3:47 AM CDT, 13 minutes earlier.

Area forecast discussion, Jul 17, 3:47 AM CDT, 13 minutes before

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Hazardous weather outlook, Jul 16, 3:42 PM CDT, 12 hours 18 minutes before

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
342 PM CDT Tue Jul 16 2019

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-172045-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
342 PM CDT Tue Jul 16 2019

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Thunderstorms are possible late this afternoon and evening
generally west of a line from Freeport, Illinois to Williamsburg,
Iowa. There is a low chance for severe storms with the primary
risks being damaging winds and heavy rainfall.

The Storm Prediction Center has a marginal risk for severe storms
west of a Dubuque to Washington, Iowa line.

The Mississippi river continues to experience flooding. Please
see the latest Flood Statements and Flood Warnings for details.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Dangerous heat will be seen across the area starting Wednesday and
continuing through Saturday. An excessive heat warning is in
effect for areas south and west of a Cedar Rapids, Iowa to
Kewanee, Illinois line. North of this line the excessive heat
watch continues. Heat index readings of 100 to 110 are expected.

There is a chance for thunderstorms over portions of the outlook
area Wednesday and Wednesday night. The Storm Prediction Center
has a marginal risk for severe storms along and north of Highway
30. Damaging winds, frequent lightning, and locally heavy
rainfall will be the primary hazards. Additional thunderstorms
will be possible late this weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated late this afternoon and
evening.

In the hours before

Special weather statement, Jul 17, 1:33 AM CDT, 2 hours 27 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
Jul 17, 11:34 AM CDT	Special Weather Statement	DVN	Benton, Buchanan, Delaware, Iowa, Johnson, Keokuk and 2 more	86 min
Jul 17, 1:09 PM CDT	Special Weather Statement	DVN	Iowa, Jefferson, Keokuk, Van Buren, Washington	81 min
Jul 17, 1:50 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Keokuk, Lee, Van Buren, Washington	55 min
Jul 17, 2:40 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Lee, Van Buren	50 min
Jul 17, 2:44 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Louisa	61 min
Jul 17, 1:33 AM CDT	Special Weather Statement	DVN	Stephenson	87 min
Jul 17, 3:27 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, Henderson, McDonough, Warren	63 min
Jul 17, 3:47 PM CDT	Special Weather Statement	DVN	Henderson	28 min
Jul 17, 4:29 PM CDT	Severe Thunderstorm Warning	DVN	McDonough, Warren	46 min
Jul 17, 2:02 PM CDT	Severe Thunderstorm Warning	DVN	Clark, Scotland	58 min

Nearby

Flash Flood Watches in Iowa, 2019 Flash Flood Watches in Illinois, 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.