Alert archive / Illinois / River Flood Warnings in 2015

River Flood Warning 28, NWS Chicago, IL

June 13, 2015LaSalle County, Illinois

NWS Chicago, IL issued this river flood warning at Jun 13, 2015, 9:38 PM CDT for LaSalle County, Illinois. It took effect at Jun 14, 2015, 4:00 AM CDT. It was in force for 18 days.

The area

The counties it named.

The facts

Issued: Jun 13, 2015, 9:38 PM CDT (02:38 UTC)
In effect from: Jun 14, 2015, 4:00 AM CDT
Expired: Jul 1, 2015, 9:01 PM CDT
In force: 18 days
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Flood severity: Minor

County LaSalle County, IL

The radar

The Chicago radar (KLOT), 73 km from the middle of the area, began a volume at 02:41 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 river

Written for the forecast point Illinois River at Ottawa (OTWI2).

Action stage: 461 ft
Minor stage: 463 ft
Moderate stage: 467 ft
Major stage: 471 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

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

NWS Chicago, IL wrote its last area forecast discussion before this river flood warning went out at Jun 13, 6:52 PM CDT, 2 hours 46 minutes earlier.

Area forecast discussion, Jun 13, 6:52 PM CDT, 2 hours 46 minutes before

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Hazardous weather outlook, Jun 13, 3:09 PM CDT, 6 hours 29 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
309 PM CDT SAT JUN 13 2015

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
142015-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
309 PM CDT SAT JUN 13 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

  WEATHER HAZARDS EXPECTED:

  THUNDERSTORMS...THE STRONGEST OF WHICH MAY PRODUCE:

   FREQUENT CLOUD TO GROUND LIGHTNING.
   ISOLATED FLOODING.
   WIND GUSTS OVER 60 MPH.
   HAIL TO THE SIZE OF QUARTERS.

  AREAS AFFECTED AND TIMING:

  THUNDERSTORMS WILL INCREASE ACROSS THE ENTIRE AREA LATE TODAY
  AND TONIGHT. NORTH-CENTRAL ILLINOIS IS THE MOST FAVORED AREA
  FOR SEVERE WEATHER THROUGH LATE AFTERNOON...THOUGH SCATTERED
  DEVELOPMENT IS EXPECTED AREA WIDE. BETTER CHANCES FOR STORMS
  WILL ARRIVE THIS EVENING AND TONIGHT.

  DISCUSSION:

  SEVERAL SHORTWAVE TROUGHS WILL CROSS THE REGION THROUGH TONIGHT
  AND GENERATE SHOWERS AND THUNDERSTORMS. EXPECT SCATTERED
  ACTIVITY THIS AFTERNOON...WITH BETTER CHANCES FOR THUNDERSTORMS
  THIS EVENING AND TONIGHT. THE STRONGEST THUNDERSTORMS WILL ALSO
  PRODUCE HEAVY DOWNPOURS WHICH MAY CAUSE ISOLATED FLOODING...
  ESPECIALLY TONIGHT WHEN STORM COVERAGE IS EXPECTED TO BE
  GREATEST.

PORTIONS OF THE IROQUOIS...KANKAKEE...AND ILLINOIS RIVERS WILL
REMAIN IN FLOOD.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THERE WILL BE PERIODIC CHANCES OF THUNDERSTORMS SUNDAY THROUGH
THURSDAY. STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE SUNDAY AND
MONDAY... WITH HEAVY RAINFALL ALSO POSSIBLE.

PORTIONS OF THE IROQUOIS...KANKAKEE...AND ILLINOIS RIVERS WILL
REMAIN IN FLOOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE LATE THIS AFTERNOON AND TONIGHT.

&&

LMZ740>745-142015-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
309 PM CDT SAT JUN 13 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THERE WILL BE PERIODIC CHANCES FOR THUNDERSTORMS SUNDAY THROUGH
FRIDAY.

&&

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-142015-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
309 PM CDT SAT JUN 13 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

PERIODIC CHANCES FOR THUNDERSTORMS ARE EXPECTED SUNDAY THROUGH
FRIDAY.

&&

KMD

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

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WWW.FACEBOOK.COM/NWSCHICAGO
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO

In the hours before

Local storm report, Jun 13, 7:23 PM CDT, 2 hours 15 minutes before

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Local storm report, Jun 13, 7:24 PM CDT, 2 hours 14 minutes before

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Local storm report, Jun 13, 7:50 PM CDT, 1 hour 48 minutes before

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Local storm report, Jun 13, 7:56 PM CDT, 1 hour 42 minutes before

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Local storm report, Jun 13, 8:40 PM CDT, 58 minutes before

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Local storm report, Jun 13, 8:58 PM CDT, 40 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 7:33 PM CDT	Areal Flood Advisory	LOT	Cook, DuPage	3 hr
Jun 13, 8:20 PM CDT	Severe Thunderstorm Warning	LOT	Boone, McHenry	26 min
Jun 13, 8:59 PM CDT	Flash Flood Warning	LOT	Boone, McHenry, Winnebago	6 hr
Jun 13, 10:08 PM CDT	Areal Flood Advisory	LOT	DeKalb, LaSalle, Lee	3 hr
Jun 13, 11:42 PM CDT	Areal Flood Warning	LOT	Grundy, Kendall, LaSalle	12 hr
Jun 14, 2:51 AM CDT	Marine Dense Fog Advisory	LOT		36 hr
Jun 14, 5:50 AM CDT	Areal Flood Advisory	LOT	Cook, DuPage, Will	3 hr
Jun 14, 8:17 AM CDT	River Flood Advisory	LOT	Will	37 hr
Jun 14, 8:17 AM CDT	River Flood Advisory	LOT	LaSalle	40 hr
Jun 14, 8:56 AM CDT	River Flood Warning	LOT	Cook	18 hr
Jun 14, 10:52 AM CDT	River Flood Warning	LOT	Grundy	6 days
Jun 14, 11:27 AM CDT	Areal Flood Warning	LOT	Grundy, Kendall	27 hr
Jun 14, 6:54 PM CDT	Areal Flood Advisory	LOT	Grundy, LaSalle	4 hr

Nearby

River Flood Warnings in Illinois, 2015 Every river flood warning in 2015

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; the gauge from the NWS water service and the USGS.