Alert archive / Illinois / Flash Flood Watches in 2017

Flash Flood Watch 1, NWS Quad Cities, IA

January 17, 2017Henry County, Illinois

NWS Quad Cities, IA issued this flash flood watch at Jan 17, 2017, 12:41 PM CST for Henry County, Illinois. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Jan 17, 2017, 12:41 PM CST (18:41 UTC)
Expired
Jan 18, 2017, 3:50 PM CST
In force
27 hr
Issued by
NWS Quad Cities, IA
Flood severity
None

County Henry County, IL

The radar

The Quad Cities radar (KDVN), 47 km from the middle of the area, began a volume at 18:42 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 Jan 17, 12:00 PM CST, 41 minutes earlier.

Area forecast discussion, Jan 17, 12:00 PM CST, 41 minutes before
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Hazardous weather outlook, Jan 17, 4:18 AM CST, 8 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
418 AM CST TUE JAN 17 2017

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-181030-
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-
418 AM CST TUE JAN 17 2017

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...TODAY AND TONIGHT

AREAS OF DENSE FOG WILL GRADUALLY DISSIPATE THIS MORNING.
VISIBILITIES UNDER 1/4 MILE ARE POSSIBLE THROUGH 10
AM...ESPECIALLY NORTH OF INTERSTATE 80 IN IOWA AND ILLINOIS.

MANY AREA TRIBUTARY RIVERS ARE RISING DUE TO THE RECENT
RAINFALL. PLEASE SEE THE LATEST FLOOD STATEMENTS FOR SPECIFIC
RIVER FLOODING INFORMATION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

ERVIN

In the hours before

Local storm report, Jan 17, 9:00 AM CST, 3 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
900 AM CST TUE JAN 17 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0858 AM     HEAVY RAIN       3 ENE ROCK FALLS        41.80N 89.64W
01/17/2017  M1.65 INCH       WHITESIDE          IL   TRAINED SPOTTER

            THUNDER AND LIGHTNING LAST NIGHT. STORM TOTAL

&&

DC

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 10:08 PM CSTRiver Flood WarningDVNIowa5 days
Jan 17, 4:46 AM CSTRiver Flood WarningDVNJohnson, Washington31 hr
Jan 17, 2:41 PM CSTRiver Flood WatchDVNLouisa7 days
Jan 17, 11:36 AM CSTRiver Flood WarningDVNWhiteside52 hr
Jan 17, 11:36 AM CSTRiver Flood WarningDVNHenry, Rock Island7 days
Jan 17, 1:17 PM CSTAreal Flood WarningDVNHenry24 hr

Nearby

Flash Flood Watches in Illinois, 2017Every flash flood watch in 2017

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.