Alert archive / Indiana / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 115, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Aug 26, 2014, 2:42 PM EDT for Benton County, Indiana. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 26, 2014, 2:42 PM EDT (18:42 UTC)
- Expired
- Aug 26, 2014, 3:15 PM EDT
- In force
- 33 min
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Benton County, IN
The radar
The Chicago radar (KLOT), 129 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.7 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
- 2288 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1037 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 26, 1:41 PM EDT, 1 hour 1 minute earlier.
Area forecast discussion, Aug 26, 1:41 PM EDT, 1 hour 1 minute before
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</html>Hazardous weather outlook, Aug 26, 12:02 PM EDT, 2 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1102 AM CDT TUE AUG 26 2014 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 271615- 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- 1102 AM CDT TUE AUG 26 2014 /1202 PM EDT TUE AUG 26 2014/ 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... TORRENTIAL RAINFALL AND FLASH FLOODING. WIND GUSTS IN EXCESS OF 50 MPH. FREQUENT CLOUD TO GROUND LIGHTNING. SMALL HAIL. AREAS AFFECTED AND TIMING: THUNDERSTORMS WILL CONTINUE TO BE POSSIBLE THROUGH THE AFTERNOON AND TONIGHT ACROSS THE ENTIRE OUTLOOK AREA. CHANCES WILL DIMINISH ACROSS FAR NORTHERN ILLINOIS LATER THIS AFTERNOON. THUNDERSTORM CHANCES WILL AGAIN INCREASE FROM WEST TO EAST LATER TONIGHT. DISCUSSION: A COLD FRONT CONTINUES TO SLIDE SOUTH ACROSS NORTHERN ILLINOIS. THE FRONT...ALONG WITH SEVERAL OTHER UPPER LEVEL FEATURES...WILL DRIVE THUNDERSTORM DEVELOPMENT THROUGH THE DAY. STORMS CURRENTLY ONGOING ACROSS NORTHERN ILLINOIS THIS MORNING WILL CONTINUE TO MOVE EAST TO SLIGHTLY SOUTHEAST THROUGH EARLY THIS AFTERNOON. ISOLATED TO SCATTERED THUNDERSTORMS ARE STILL EXPECTED ACROSS THE AREA INTO THE AFTERNOON. ADDITIONAL THUNDERSTORMS ARE EXPECTED TO AFFECT THE AREA LATER TONIGHT. TORRENTIAL RAINFALL AND FLASH FLOODING WILL BE POSSIBLE WITH THE STORMS THROUGH TONIGHT. GUSTY STRAIGHT LINE WINDS ARE AN ADDITIONAL THREAT WITH A FEW WIND GUSTS REACHING SEVERE LEVELS NOT OUT OF THE QUESTION BUT THE SEVERE THREAT IS LOW. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY THROUGH MONDAY. HEAVY RAIN AND FLASH FLOODING WILL BE POSSIBLE WITH ANY THUNDERSTORMS THAT DEVELOP...ESPECIALLY WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ACTIVATION MAY BE NEEDED THROUGH THIS AFTERNOON AND AGAIN TONIGHT. && LMZ740>745-271615- 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- 1102 AM CDT TUE AUG 26 2014 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...SOME OF WHICH MAY PRODUCE WIND GUSTS IN EXCESS OF 40 KNOTS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY THROUGH MONDAY. && LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-271615- 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- 1102 AM CDT TUE AUG 26 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE MICHIGAN. .DAY ONE...THIS AFTERNOON AND TONIGHT. THERE IS A CHANCE OF THUNDERSTORMS WITH THE BEST CHANCE ACROSS SOUTHERN LAKE MICHIGAN. SOME THUNDERSTORMS MAY PRODUCE GUSTS IN EXCESS OF 40 KNOTS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY THROUGH MONDAY. && BEACHLER VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
In the hours before
Local storm report, Aug 26, 12:54 PM EDT, 1 hour 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1154 AM CDT TUE AUG 26 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1110 AM MARINE TSTM WIND 4 NE CHICAGO 41.92N 87.57W
08/26/2014 M44 MPH LMZ741 IL C-MAN STATION
HARRISON-DEVER CRIB
&&
RODRIGUEZSpecial weather statement, Aug 26, 1:01 PM EDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1201 PM CDT TUE AUG 26 2014
INZ001-002-261745-
LAKE IN-PORTER IN-
1201 PM CDT TUE AUG 26 2014
...SPECIAL WEATHER STATEMENT...
AT 1157 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THE LEADING EDGE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM
PORTER TO VALPARAISO TO KOUTS...MOVING EAST AT 25 MPH. THE STRONG
STORMS EXTENDED WEST INTO CENTRAL LAKE COUNTY.
ONE HALF INCH DIAMETER HAIL...WINDS TO 50 MPH...FREQUENT CLOUD TO
GROUND LIGHTNING AND TORRENTIAL DOWNPOURS...CAN BE EXPECTED WITH
THESE STORMS.
CITIES AND TOWNS AFFECTED...
CHESTERTON... PORTER... KOUTS...
MALDEN... VALPARAISO... BURNS HARBOR...
SOUTH HAVEN... LINCOLN HILLS... BOONE GROVE...
OTHER LOCATIONS AFFECTED...
INDIANA DUNES STATE PARK...PORTER COUNTY FAIRGROUNDS...VALPARAISO
UNIVERSITY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. HEAVY RAINFALL COULD LEAD TO STANDING WATER ON ROADWAYS AND
POOR VISIBILITY. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE
STORMS HAVE PASSED.
&&
LAT...LON 4171 8693 4124 8693 4122 8697 4127 8706
4129 8712 4127 8719 4125 8722 4128 8722
4128 8729 4163 8729 4163 8722 4166 8715
4166 8710 4171 8693 4173 8691
TIME...MOT...LOC 1700Z 279DEG 20KT 4165 8702 4150 8695
4133 8696
RCLocal storm report, Aug 26, 1:17 PM EDT, 1 hour 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1217 PM CDT TUE AUG 26 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 AM HEAVY RAIN 2 NNE HARWOOD HEIGHTS 41.99N 87.79W
08/26/2014 M0.45 INCH COOK IL COCORAHS
RAIN FELL IN 15 MINUTES.
&&
CLocal storm report, Aug 26, 1:19 PM EDT, 1 hour 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1219 PM CDT TUE AUG 26 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1154 AM HAIL 1 SW CHESTERTON 41.60N 87.07W
08/26/2014 E0.25 INCH PORTER IN AMATEUR RADIO
&&
CSpecial weather statement, Aug 26, 1:22 PM EDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1222 PM CDT TUE AUG 26 2014
ILZ023-033-INZ001-010-011-261815-
IROQUOIS IL-JASPER IN-KANKAKEE IL-LAKE IN-NEWTON IN-
1222 PM CDT TUE AUG 26 2014
...SCATTERED STRONG STORMS IN EAST CENTRAL ILLINOIS AND NORTHWEST
INDIANA...
AT 1216 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SCATTERED STRONG THUNDERSTORMS FROM NORTHEAST IROQUOIS COUNTY INTO
JASPER COUNTY...MOVING SLOWLY EAST AT 15 TO 20 MPH.
UP TO PENNY SIZE HAIL...WINDS TO 50 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...AND TORRENTIAL DOWNPOURS...CAN BE EXPECTED WITH THE
STRONGEST STORMS.
CITIES AND TOWNS AFFECTED...
SHELDON... ST. ANNE... RAUB...
KENTLAND... HOPKINS PARK... MOROCCO...
PERKINS... BEAVER CITY... ENOS...
RENSSELAER... DE MOTTE... MOROCCO...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. HEAVY RAINFALL COULD LEAD TO STANDING WATER ON ROADWAYS AND
POOR VISIBILITY. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM
HAS PASSED.
&&
LAT...LON 4091 8698 4084 8699 4083 8709 4074 8710
4073 8726 4076 8727 4073 8741 4074 8753
4071 8753 4068 8772 4116 8775 4127 8729
4126 8722 4125 8722 4129 8713 4127 8706
4122 8697 4123 8692 4091 8693
TIME...MOT...LOC 1722Z 248DEG 14KT 4088 8761
RCLocal storm report, Aug 26, 1:29 PM EDT, 1 hour 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1229 PM CDT TUE AUG 26 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1220 PM HEAVY RAIN 1 NE VALPARAISO 41.49N 87.04W
08/26/2014 M1.00 INCH PORTER IN COCORAHS
RAIN FELL IN 15 MINUTES. STILL RAINING. REPORT AT
VALPARAISO UNIVERSITY.
&&
CThe office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 9:39 AM EDT | Special Weather Statement | LOT | Ogle | 36 min |
| Aug 26, 9:49 AM EDT | Special Weather Statement | LOT | Grundy, Kankakee, Will | 56 min |
| Aug 26, 10:06 AM EDT | Special Weather Statement | LOT | Ogle, Winnebago | 39 min |
| Aug 26, 10:20 AM EDT | Areal Flood Advisory | LOT | Ogle, Winnebago | 3 hr |
| Aug 26, 10:26 AM EDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, McHenry, Ogle, Winnebago | 49 min |
| Aug 26, 10:38 AM EDT | Special Weather Statement | LOT | Lee | 22 min |
| Aug 26, 10:49 AM EDT | Special Weather Statement | LOT | Kankakee, Will | 56 min |
| Aug 26, 10:59 AM EDT | Severe Thunderstorm Warning | LOT | Cook, Kane, Lake, McHenry | 46 min |
| Aug 26, 11:03 AM EDT | Special Marine Warning | LOT | 117 min | |
| Aug 26, 11:08 AM EDT | Special Weather Statement | LOT | Lee | 22 min |
| Aug 26, 11:18 AM EDT | Special Weather Statement | LOT | DuPage | 27 min |
| Aug 26, 11:21 AM EDT | Special Weather Statement | LOT | Kendall | 24 min |
| Aug 26, 11:25 AM EDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 50 min |
| Aug 26, 11:28 AM EDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 47 min |
| Aug 26, 11:46 AM EDT | Special Weather Statement | LOT | DuPage | 29 min |
| Aug 26, 11:50 AM EDT | Special Weather Statement | LOT | Lake | 25 min |
| Aug 26, 11:58 AM EDT | Special Marine Warning | LOT | 92 min | |
| Aug 26, 11:59 AM EDT | Special Weather Statement | LOT | Grundy | 31 min |
| Aug 26, 12:06 PM EDT | Special Weather Statement | LOT | Cook | 24 min |
| Aug 26, 12:17 PM EDT | Special Weather Statement | LOT | Kankakee, Will | 58 min |
| Aug 26, 1:30 PM EDT | Severe Thunderstorm Warning | LOT | Iroquois | 60 min |
| Aug 26, 1:01 PM EDT | Special Weather Statement | LOT | Porter | 44 min |
| Aug 26, 1:22 PM EDT | Special Weather Statement | LOT | Jasper, Newton | 53 min |
| Aug 26, 1:47 PM EDT | Severe Thunderstorm Warning | LOT | Benton, Jasper, Newton | 58 min |
| Aug 26, 2:11 PM EDT | Areal Flood Advisory | LOT | Benton, Jasper | 3 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 2014Every severe thunderstorm warning in 2014
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.