Alert archive / Indiana / Flash Flood Warnings in 2010
Flash Flood Warning 22, NWS Chicago, IL
NWS Chicago, IL issued this flash flood warning at Jul 15, 2010, 3:28 PM EDT for Benton County, Indiana. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 15, 2010, 3:28 PM EDT (19:28 UTC)
- Expired
- Jul 15, 2010, 9:15 PM EDT
- In force
- 6 hr
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Flood severity
- None
County Benton County, IN
The radar
The Chicago radar (KLOT), 129 km from the middle of the area, began a volume at 19:29 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.5 hours before the alert went out and 120 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 3622 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.9
What forecasters said that day
The local office's own words before this flash 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 flash flood warning went out at Jul 15, 1:54 PM EDT, 1 hour 34 minutes earlier.
Area forecast discussion, Jul 15, 1:54 PM EDT, 1 hour 34 minutes before
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</html>Hazardous weather outlook, Jul 15, 12:12 PM EDT, 3 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1112 AM CDT THU JUL 15 2010
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
161615-
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-
1112 AM CDT THU JUL 15 2010 /1212 PM EDT THU JUL 15 2010/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...WHICH MAY PRODUCE:
DAMAGING WINDS UP TO 60 MPH.
HEAVY RAINFALL WHICH COULD PRODUCE LOCALIZED FLOODING.
HAIL TO THE SIZE OF QUARTERS.
CLOUD TO GROUND LIGHTNING.
AREAS AFFECTED AND TIMING:
THUNDERSTORMS ARE LIKELY THIS AFTERNOON ESPECIALLY SOUTH OF A
CHICAGO TO PONTIAC LINE. SCATTERED THUNDERSTORMS ARE POSSIBLE
EARLY THIS EVENING MAINLY SOUTH OF INTERSTATE 80.
DISCUSSION:
THUNDERSTORMS WILL BECOME MORE LIKELY EARLY THIS AFTERNOON AS A
COLD FRONTAL BOUNDARY MOVES EASTWARD ACROSS THE AREA. THERE IS A
THREAT OF SEVERE THUNDERSTORMS THIS AFTERNOON DUE TO MODERATE
AMOUNTS OF SHEAR AND MODERATE TO STRONG INSTABILITY. IN
ADDITION...LOCALIZED FLOODING IS POSSIBLE WITH THE STORMS DUE TO
THE HIGH AMOUNTS OF MOISTURE IN THE ATMOSPHERE. THE THREAT OF
SEVERE WEATHER WILL LINGER INTO EARLY THIS EVENING SOUTH OF
INTERSTATE 80 BEFORE THE FRONT SLIPS SOUTH OF THE AREA.
PEAK AFTERNOON HEAT INDEX VALUES WILL RANGE FROM AROUND 100 ALONG
AND JUST NORTH OF INTERSTATE 80...TO AS HIGH AS 105 SOUTH OF
INTERSTATE 80.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
THERE IS A CHANCE OF THUNDERSTORMS SATURDAY NIGHT THROUGH SUNDAY
NIGHT.
THERE IS A SLIGHT CHANCE OF THUNDERSTORMS MONDAY AND TUESDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTERS MAY BE NEEDED THIS AFTERNOON.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
LMZ740>745-161615-
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-
1112 AM CDT THU JUL 15 2010
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON. A FEW OF THE
THUNDERSTORMS MAY PRODUCE WIND GUSTS IN EXCESS OF 35 KNOTS. THERE
IS A SLIGHT CHANCE OF THUNDERSTORMS INTO EARLY THIS EVENING.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
THERE IS ANOTHER CHANCE OF THUNDERSTORMS SUNDAY...AND THEN AGAIN
MONDAY.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-161615-
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-
1112 AM CDT THU JUL 15 2010
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON ACROSS SOUTHERN
LAKE MICHIGAN. A FEW OF THE THUNDERSTORMS MAY PRODUCE WIND GUSTS
IN EXCESS OF 35 KNOTS...MAINLY ACROSS FAR SOUTHERN LAKE MICHIGAN.
THERE IS A SLIGHT CHANCE OF THUNDERSTORMS INTO EARLY THIS EVENING.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
THERE IS ANOTHER CHANCE OF THUNDERSTORMS SUNDAY AND THEN AGAIN
LATE MONDAY.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
MDBIn the hours before
Local storm report, Jul 15, 1:29 PM EDT, 1 hour 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1229 PM CDT THU JUL 15 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1224 PM HAIL BOSWELL 40.52N 87.38W
07/15/2010 E0.25 INCH BENTON IN EMERGENCY MNGR
&&
ALYZALocal storm report, Jul 15, 2:45 PM EDT, 43 minutes before
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</html>The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 4:30 AM EDT | Heat Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, Livingston | 16 hr |
| Jul 15, 2:49 PM EDT | Areal Flood Advisory | LOT | Benton | 4 hr |
Nearby
Flash Flood Warnings in Indiana, 2010Every flash flood warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.