Tornadoes · United States · Indiana · 2014
EF1 tornado, Illinoi to Dinwiddie, Indiana, June 30, 2014
From Illinoi to Dinwiddie, this EF1 tornado ran 3.2 miles across Lake County on June 30, 2014, touching down at 10:39 PM CDT and reaching 370 yards wide. It killed nobody.
The rating scale
Tracks are drawn in the color of the rating. The Enhanced Fujita scale rates the damage rather than measuring the wind: the speeds are what that damage is taken to imply.
EF065 to 85 mph
Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.
EF186 to 110 mphthis tornado
Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.
EF2111 to 135 mph
Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.
EF3136 to 165 mph
Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.
EF4166 to 200 mph
Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.
EF5over 200 mph
Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.
Unrated
The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.
The record
- Rating
- EF1
- Date
- June 30, 2014
- Touchdown
- 10:39 PM CDT (03:39 UTC)
- Lifted
- 10:42 PM CDT (03:42 UTC)
- On the ground
- 3 minutes
- Path length
- 3.2 miles (5.1 km)
- Path width
- 370 yards (338 m)
- Deaths
- 0
- Injuries
- 0
- County
- Lake County
- Touchdown point
- 41.252, -87.470
- Lift-off point
- 41.252, -87.411
- Record number
- 1406302139-01
The damage survey
475 damage points were recorded along this path by NWS LOT, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EFU. The highest wind the damage implies is 115 mph.
- Roof and wall sections removed from wooden barn.
- ~4,000 lb trailer picked up and moved 40-50 ft
- narrow damage path in corn
- Multiple evergreen trees snapped just above ground level.
Survey points are preliminary and are the raw material the published rating was built from. Source: NWS Damage Assessment Toolkit.
What the Weather Service recorded
Extensive damage was sustained from two separate lines of thunderstorms on Monday, June 30th which was officially determined to be from two separate derecho events from Central Iowa east into Michigan and Ohio. Thunderstorms developed over Iowa during the early afternoon and organized into a forward-propagating quasi-linear convective system (QLCS) and tracked to southern Lake Michigan by early to mid evening. Meanwhile, a second complex of intense thunderstorms developed over central and eastern Iowa and also evolved into a QLCS, tracking across northern Illinois and northwest Indiana late in the evening into the overnight hours. ||Across northern Illinois and northwest Indiana, the first derecho event produced scattered straight-line wind damage, with gusts measured as high as 70 MPH. The second derecho produced far more extensive damage, with 80 to 90 MPH straight line winds and numerous tornadoes. Initial post-event surveys cataloged 18 tornadoes across northern Illinois and northwest Indiana, 17 of EF1 intensity and one of EF0 intensity. Of these 18 tornadoes, 14 were associated with a pair of large mesovortices that traveled along the Kankakee River Valley in Kankakee County, Illinois and Lake, Newton, and Jasper Counties in Indiana. ||Analysis of Google Earth satellite imagery gathered in spring of 2015 showed numerous additional areas of damage not documented in the original survey efforts. A thorough analysis of this imagery and synthesis with the original survey information led to a complete reanalysis of the Kankakee Valley tornadoes. Ultimately, 18 tornado tracks were identified alone in the Kankakee Valley, leading to a total of 22 tornadoes for northern Illinois and northwest Indiana. Of the 18 revised tornadoes, 16 of the paths were determined, in part, using satellite imagery. Further re-examination of the damage also led to a change in rating for several of the damage locations. Of the 18 reanalyzed Kankakee Valley tracks, two were rated EF2, 13 were rated EF1, and three were rated EF0. Additional details on this reanalysis, including the methods used, can be found in the Electronic Journal of Severe Storms Meteorology (Lyza et al. 2019, ���A Multi-Platform Reanalysis of the Kankakee Valley Tornado Cluster on 30 June 2014���).
This tornado began north of Momence along Illinois Highway 17, crossed the Illinois-Indiana state line and tracked near 241st Ave. in Indiana. The tornado then passed through the far south end of the town of Schneider and ended near the Kankakee River southwest of Shelby. Damage was done to a roof of a barn along with numerous hardwood trees snapped and uprooted. Maximum winds were estimated to 110 mph.
This tornado began near Kankakee County Highway 13 in Illinois and crossed into Indiana just south of E. 10500N Rd. A house under construction (but sealed) had an exterior wall of the garage blown out, part of a second story exterior wall blown in, and a portion of roof removed. A barn also had substantial roof damage along with numerous large trees snapped, uprooted, and partially stripped of their branches. The tornado dissipated south of Lowell, Indiana near Colfax St. Maximum winds were estimated to 110 mph.
This tornado started slightly east of the Illinois-Indiana state line and crossed U.S. Highway 41 before ending just east of Austin St. There were multiple large hardwood trees snapped and uprooted because of this tornado, as well as roof damage to a barn. Maximum winds were estimated to be 100 mph.
This short-lived tornado began just west of the Illinois-Indiana state line and crossed the state line into a grove of trees and ended near Calumet Ave. There were multiple large trees downed with this tornado. Maximum winds were estimated to 90 mph.
A tornado touched down near the intersection of U.S. Highway 41 and Belshaw Rd and tracked due east ending near Colfax Rd. Damage was done primarily to trees. Maximum winds were estimated to 110 mph.
A tornado started near Colfax St. and tracked through the south side of Shelby, through DeMotte, and ended slightly east of N. 600W Rd. A large barn was completely destroyed, and damage was done to houses in both Shelby and DeMotte. In addition, numerous hardwood trees were snapped and uprooted. Maximum winds were estimated to 110 mph.
This tornado started near Cline Avenue southwest of the community of Lowell and ended near W. 197th Rd. Numerous trees were snapped and uprooted. Maximum winds were estimated to 100 mph.
This strong tornado touched down near the intersection of Clark St and Belshaw Rd and ended slightly east of Harrison St. Outbuildings as well as two large grain bins were destroyed, and numerous large high-tension wood power poles were snapped. There was also numerous trees snapped and uprooted along with crop damage. Maximum winds were estimated to 115 mph.
This tornado began over a farmstead along Grant St and tracked due east ending near Mississippi St. A large barn was destroyed with the top half of the barn ripped off and the bottom half severely damage. Numerous trees were snapped and uprooted. Maximum winds were estimated to 105 mph.
From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.
The warnings
7 minutes of warning. NWS LOT issued a tornado warning for this county at 03:32 UTC, 7 minutes before the tornado touched down, in force until 04:00 UTC.
The county was under a severe thunderstorm watch, issued at 02:01 UTC and running to 05:16 UTC.
| Issued (UTC) | Expired | Product | Office |
|---|---|---|---|
| 20:34 UTC | 02:00 UTC | Severe Thunderstorm Watch | LOT |
| 23:00 UTC | 06:39 UTC | Flash Flood Watch | LOT |
| 00:04 UTC | 01:00 UTC | Severe Thunderstorm Warning | LOT |
| 00:50 UTC | 04:00 UTC | Flood Advisory | LOT |
| 00:54 UTC | 01:38 UTC | Severe Thunderstorm Warning | LOT |
| 02:01 UTC | 05:16 UTC | Severe Thunderstorm Watch | LOT |
| 03:12 UTC | 04:20 UTC | Severe Thunderstorm Warning | LOT |
| 03:32 UTC | 04:00 UTC | Tornado Warning | LOT |
| 04:19 UTC | 06:31 UTC | Flood Advisory | LOT |
| 06:20 UTC | 16:00 UTC | Flood Warning | LOT |
| 07:05 UTC | 08:00 UTC | Flood Advisory | LOT |
Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.
The forecast that day
The Storm Prediction Center had this point in a Slight Risk, with a 0.05 chance of a tornado within 25 miles. The outlook in force was issued at 01:00 UTC.
SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.
What forecasters said that day
The local office's own words before the tornado touched down, 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 the tornado touched down at Jun 30, 8:51 PM CDT, 1 hour 48 minutes earlier.
Area forecast discussion, Jun 30, 8:51 PM CDT, 1 hour 48 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
851 PM CDT MON JUN 30 2014
.MESOSCALE DISCUSSION...
850 PM
HAVE COORDINATED WITH THE STORM PREDICTION CENTER AND WILL LIKELY BE
ISSUING A NEW SEVERE THUNDERSTORM WATCH ACROSS THE AREA FOR SECOND
LINE OF AGGRESSIVE STORMS.
REGARDING FLASH FLOODING THREAT...THE NEXT LINE OF STRONG TO SEVERE
STORMS IS MOVING EAST-SOUTHEAST ACROSS NORTH CENTRAL AND WEST
CENTRAL ILLINOIS. THIS IS ON A SUSTAINED COLD POOL THAT HAS
DEVELOPED AHEAD OF THE COLD FRONT. VERY HIGH ABSOLUTE MOISTURE
CONTENT /PWATS OF 1.75+ INCHES/ AND CONTINUED REPLENISHMENT ON
A LOW-LEVEL JET WILL SUSTAIN HEAVY RAINFALL RATES OF ONE TO TWO
INCHES PER 30 TO 60 MINUTES AS THIS COMPLEX MOVES EASTWARD. IN
ADDITION...SEEING SIGNS OF A MESOSCALE WARM-AIR ADVECTION WING
WITH SCATTERED CELLS ACROSS DEKALB AND KANE COUNTIES. THIS COULD
MEAN A STRONGER SIGNAL FOR WEST-TO-EAST ORIENTED CONVECTION WHICH
WOULD FAVOR POSSIBLE FLASH FLOODING POTENTIALLY NEAR THE
INTERSTATE 88 CORRIDOR...AND POSSIBLY INTO PARTS OF THE CHICAGO
METRO. THIS IS ESPECIALLY TRUE CONSIDERING THE EARLIER RAINFALL
TODAY AS WELL AS THE ANTECEDENT WET CONDITIONS IN THE PAST TWO
WEEKS. WILL BE MONITORING CLOSELY AND IF 1. A QUICKER FORWARD
PROPAGATION TO THE COMPLEX IS NOT SEEN AND 2. REPORTS OF FLASH
FLOODING ARE RECEIVED ACROSS WINNEBAGO...OGLE...AND LEE
COUNTIES...THEN WILL LIKELY NOT WAIT LONG FOR FLASH FLOOD WARNING
ISSUANCES FURTHER EAST/SOUTHEAST.
MTF
&&
.DISCUSSION...
117 PM CDT
THIS EVENING/OVERNIGHT...
MAIN CONCERN FOR THIS EVENING THROUGH MIDNIGHT WILL BE ON SEVERE
WEATHER TIMING/COVERAGE/INTENSITY. THE SPC HAS EXPANDED THE ENTIRE
FORECAST AREA INTO THE MODERATE RISK FOR SEVERE WEATHER TODAY...WITH
THE FOCUS BEING ON DAMAGING WINDS IN EXCESS OF 70MPH AND LARGE HAIL.
GIVEN THE HIGH DEW POINTS...AND PWAT VALUES ARND 1.5 TO
1.75"...WHATEVER CONVECTION OCCURS COULD BE VERY EFFICIENT AT
PRODUCING TORRENTIAL DOWNPOURS AND AS SUCH WOULD INTRODUCE A
FLOODING CONCERN DESPITE STORMS FORWARD PROPAGATION. WHILE THE
PROBABILITY IS NOT ZERO FOR AN ISOLATED TORNADO...THE GREATEST FOCUS
FOR THIS WILL BE WELL WEST OF THE FORECAST AREA IN IOWA. IF WINDS
CAN BACK TO THE SOUTHEAST HOWEVER...THIS WOULD INTRODUCE INCREASED
HELICITY TO THE AREA.
THE FOCAL POINT FOR CONVECTION HAS BEEN ON THE ACTIVITY PRESENTLY
ONGOING IN EASTERN NEBRASKA/WESTERN IOWA. VISIBLE IMAGERY HAS A
BOUNDARY DEPICTED ACROSS SOUTHWEST IOWA STRETCHING EAST TO JUST
SOUTH OF MOLINE THEN TURNING SOUTHEAST ACROSS SOUTH CENTRAL IL TO
JUST SOUTH OF TERRE HAUTE IN. ALONG AND SOUTH OF THIS BOUNDARY DEW
PTS ARE GENERALLY IN THE LOW/MID 70S...WHILE TO THE NORTH DEW POINTS
ARE IN THE UPR 60S. THE EXCEPTION IS OVER THE SOUTHERN CWFA WHERE
DEW POINTS HAVE BEEN ABLE TO BUMP BACK INTO THE LOW 70S WITH A
SOUTHERLY WIND. THE WINDS ARE BACKED TO THE SOUTHEAST/EAST EARLY
THIS AFTN OVER SOUTH CENTRAL IOWA...AND WITH THE CIRRUS SHIELD
BEGINNING TO THIN OVER EASTERN IOWA EARLY THIS AFTN...THE ATMOSPHERE
SHUD ONLY FURTHER DESTABILIZE.
HI-RES GUIDANCE CONTINUES TO FOCUS A LINE SEGMENT PUSHING INTO
EASTERN IOWA BY 20-22Z...THEN THERE IS SOME SLIGHT DIFFERENCES ON
HOW THIS FEATURE ARRIVES ACROSS NORTHERN IL/NORTHWEST IN ALONG WITH
TIMING. NONETHELESS...GIVEN THE AFOREMENTIONED BUOYANT ATMOSPHERE
AND UNIDIRECTIONAL MEAN LAYER FLOW...IT DOES SUPPORT THIS LINE OF
CONVECTION THAT ARRIVES ACROSS FAR WESTERN/NORTHWESTERN IL TO MORPH
INTO A BOWING SEGMENT AND POSSIBLY TRANSITION INTO A DERECHO TYPE
EVENT...WHICH WOULD LIKELY BEGIN TO TURN SOUTHEAST ACROSS THE
FORECAST AREA THIS EVENING.
ACTIVITY LEVEL SHOULD QUICKLY LEVEL OFF LATER THIS EVENING...WITH
THE TIMING TO HAVE PUSHED THRU THE CWFA BEFORE MIDNIGHT. THEN THE
DRY SLOT ARRIVES...HOWEVER HAVE OPTED TO HOLD ONTO SOME LINGERING
SHRA/TSRA OVERNIGHT. CONFIDENCE IS RATHER LOW THAT ANY ACTIVITY WILL
BE REMAINING...SO THIS MAY BE ABLE TO BE REMOVED LATER THIS EVENING
AND GO WITH A DRY OVERNIGHT.
TUESDAY THROUGH THURSDAY...
LEADING VORT WILL PIVOT EAST OF THE REGION EARLY TUE...WITH THE DRY
SLOT STILL BEING PROGGED TO KEEP DRY CONDS OVER THE FORECAST AREA
THRU THE BULK OF THE DAY TUE. BY MID/LATE AFTN THE MID-LVL TROUGH
AXIS APPROACHES FROM THE NORTHWEST...AND WITH ANY SFC
DESTABILIZATION...A FEW ISO TSRA COULD DEVELOP FROM THE STEEP LAPSE
RATES AND COOLING IN THE MID-LVLS. WITH THE FLOW REMAINING
PROGRESSIVE...THE TROUGH AXIS SLIDES OVERHEAD BY 03Z WED AND SHUD
BRING A QUICK END TO ANY DIURNALLY DRIVEN SHRA/TSRA ACROSS THE CWFA
WITH A DRY OVERNIGHT PERIOD. GUIDANCE IS ALSO INDICATING A TRAILING
WEAK TROUGH SLIDING INTO THE CENTRAL PLAINS WED MORNING...WITH AN
ABUNDANCE OF LOW/MID LVL MOISTURE WRAPPING AROUND THE WESTERN GREAT
LAKES REGION. THIS WILL LIKELY BRING A CHC FOR LIGHT SHOWERS FOR
WED. WITH CONSIDERABLE SOLAR SHIELDING WED...AND A THERMAL TROUGH OF
6 TO 8 DEG C OVERHEAD...TEMPS COULD STRUGGLE TO WARM BEYOND 70-74
FOR NORTHERN IL/NORTHWEST IN. IT IS PLAUSIBLE THAT A FEW POINTS IN
FAR NORTHERN IL THAT REMAIN IN THE UPR 60S WED AFTN.
BROAD TROUGH THEN PUSHES EAST WED NGT...WITH SFC ANTI-CYCLONIC
FEATURE BUILDING IN FROM THE WEST. THIS FEATURE WILL HELP TO DRY THE
LOW-LEVELS OUT AND ALLOW WINDS TO TURN NORTHWEST TO NORTH. THEN FOR
THUR THE NORTHERLY DRY FLOW WILL BRING SUNNY SKIES WITH TEMPS
GENERALLY IN THE 70S. A LAKE BREEZE LOOKS LIKELY AND COULD KEEP ON
ONSHORE FLOW FOR THE ADJACENT LAKE SHORE COMMUNITIES AND TEMPS IN
THE 60S.
CONFIDENCE...HIGH.
FRIDAY THROUGH MONDAY...
ENSEMBLES CONTINUE TO PROG A RIDGE ACROSS THE CANADIAN ROCKIES FOR
THE END OF THE WORK WEEK...ALLOWING A DOWNSTREAM TROUGH TO BE OVER
THE GREAT LAKES/NORTHEAST CONUS. AS THE WEEKEND PROGRESSES THE WAVE
WILL BEGIN TO RELAX...ALTHOUGH THE MID-LVL TROUGH WILL DRIFT EAST BY
SAT/SUN OVER THE UPPER MIDWEST/NORTH OF LAKE SUPERIOR. THIS SHUD
ALLOW TEMPS TO SLOWLY RETURN TO NEAR SEASONAL CONDS. ALTHOUGH AS THE
WEEKEND PROGRESSES...THE LONG WAVE PATTERN DOES TRANSITION INTO A
SEMI-ZONAL FLOW WITH HEIGHTS STEADILY INCREASING ACROSS THE ENTIRE
CONUS. TEMPS FOR FRI SHUD CONTINUE TO BE SUB-SEASONAL IN THE 70S
NEAR 80...THEN BACK TO ARND 80 OR LOW 80S FOR THE WEEKEND. EARLY
NEXT WEEK THE PATTERN DOES APPEAR TO POINT TOWARDS TEMPS RETURNING
TO LOW/MID 80S. IN ADDITION TO THE SEMI-ZONAL FLOW...IT DOES SUPPORT
A QUICK WEST-EAST FLOW OF WEAK WAVES. THIS COULD EASILY BRING A LOW
CHC POPS FOR THE WEEKEND/EARLY NEXT WEEK.
CONFIDENCE...HIGH.
BEACHLER
&&
.AVIATION...
//ORD AND MDW CONCERNS...UPDATED 00Z...
* LINE OF THUNDERSTORMS MOVING THROUGH THE TERMINALS. SECONDARY LINE
OVER IOWA TO FOLLOW LATER THIS EVENING. ETA ON THAT LINE IS
02-04Z.
* POTENTIAL FOR WINDS TO GUST UP TO 45 KT WITH LEADING EDGE OF THE
CURRENT INITIAL LINE.
* POSSIBLE BRIEF IFR VSBYS UNDER HEAVIEST THUNDERSTORM. POOREST
CONDITIONS LAST 20-30 MINUTES. RAIN AND OCCASIONAL THUNDER FOR
ANOTHER 1-2 HOURS AFTER THAT... AND BEFORE THE SECOND LINE OF
STORMS.
* GREATLY DISTURBED WIND FIELD FOLLOWING THE INITIAL LINE OF
STORMS SHOULD TREND EAST AND THEN SOUTHEAST AHEAD OF SECOND LINE.
* WINDS BECOME NORTHWEST BEHIND SECOND LINE BEFORE REESTABLISHING
SOUTHWEST OVERNIGHT.
ED F
//DISCUSSION...UPDATED 00Z...
LINEAR LINE OF STORMS CURRENTLY MOVING THROUGH SHOWING SOME UPTICK AS
IT MOVES INTO THE METRO AREA. LEADING EDGE GUSTS RUNNING 35-40 KTS
PER UPSTREAM GROUND TRUTH. LOWERING OF CIGS/VSBYS TO UNDER 1 MILE
EXPECTED AS 20-30 MINUTE PERIOD OF HEAVY RAIN WITH THUNDER MOVES
THROUGH THE TERMINALS ALONG WITH POTENTIAL FOR GUSTS OF 45 KTS.
PERIOD OF RAIN WITH EMBEDDED THUNDER FOLLOWS INITIAL LINE FOR 1-2
HOURS AS WINDS BECOME DISTURBED FROM LINE OF STORMS AND TURNS MORE
NE TO EAST. SECOND LINE OF STORMS CURRENTLY OVER EASTERN IOWA HAS
BECOME BETTER ORGANIZED DURING THE PAST 30-60 MINUTES AND IS POISED
TO MOVE ACROSS THE TERMINALS BETWEEN THE 02Z-04Z TIME FRAME. EXPECT
ANOTHER ROUND OF DISRUPTIVE STORMS WITH THIS LINE AND WILL REFINE
IT'S TIMING IN THE COMING HOUR.
WINDS WILL BECOME SOUTHEAST AHEAD OF THE SECOND LINE OF STORMS
BEFORE TURNING NORTHWEST AS THE LINE MOVES THROUGH. ANOTHER BRIEF
PERIOD OF IFR CIGS AND VSBYS EXPECTED FOR 20-30 MINUTES WITH THE
SECOND LINE AS WINDS AGAIN TURN NORTHWEST WITH THE LINE AND FOR A
SHORT TIME FOLLOWING.
ED F
//ORD AND MDW CONFIDENCE...UPDATED 00Z...
* LOW CONFIDENCE OF WIND FORECAST WITH WINDS DISTURBED BY
THUNDERSTORMS THROUGH 05Z.
* MEDIUM TO HIGH CONFIDENCE IN THUNDERSTORM FORECAST TRENDS
ED F
//OUTLOOK FOR ORD/MDW FOR 12Z WEDNESDAY-12Z MONDAY...UPDATED 00Z...
WEDNESDAY...VFR CHANCE OF SHRA.
THURSDAY...VFR DRY.
FRIDAY...VFR DRY.
SATURDAY...VFR DRY.
SUNDAY...SLGT CHANCE OF TSRA.
ED F
&&
.MARINE...
303 PM CDT
PRIMARY MARINE CONCERN IS OVER THE NEARSHORE WATERS AND SOUTH HALF
THIS EVENING AS AN INTENSE COMPLEX OF THUNDERSTORMS LIKELY HOLDS
TOGETHER AND BRINGS A PERIOD OF DANGEROUSLY STRONG WINDS AND
FREQUENT LIGHTNING. HAVE LEFT THE DENSE FOG ADVISORY FOR THE NORTH
HALF UNTIL THIS EVENING. BEFORE CLOUDS MOVED OVERHEAD...VISIBLE
SATELLITE SHOWED A BANK OF FOG COVERING MUCH OF THE NORTHERN PART
OF THE LAKE. SYNOPTIC SOUTHERLY WINDS STILL MAY BECOME STRONG
ENOUGH FOR SMALL CRAFT CRITERIA THIS EVENING IN THE NEARSHORE BUT
DO NOT HAVE ENOUGH CONFIDENCE TO HOIST AN ADVISORY.
HAVE BETTER CONFIDENCE IN SMALL CRAFT WIND CRITERIA BEING MET ON
TUESDAY. TIGHT PRESSURE GRADIENT AND DEEP MIXING FROM LAND WILL
LIKELY RESULT IN WEST-SOUTHWEST WINDS AROUND 20 KT AND FREQUENT
GUSTS TO 25 KT OR EVEN A BIT HIGHER LATE TUESDAY MORNING THROUGH
LATE TUESDAY AFTERNOON. HAVE SOME CONCERN THAT GUSTY WINDS MAY
EXTEND A BIT INTO TUESDAY EVENING. HIGH PRESSURE WILL SPREAD OVER
THE LAKE THURSDAY INTO FRIDAY AND ONLY SLOWLY MOVE EASTWARD ON
SATURDAY. AN FAIRLY EXTENDED PERIOD OF LIGHT WINDS WITH DIRECTIONS
NEAR THE SHORES CONTROLLED BY LAKE BREEZE INFLUENCES BY DAY WILL
ENSUE WEDNESDAY NIGHT THROUGH AT LEAST FRIDAY NIGHT. MODEST
SOUTHERLY WINDS WILL DEVELOP ON SATURDAY AS THE HIGH SLIDES EAST.
RC
&&
.LOT WATCHES/WARNINGS/ADVISORIES...
IL...FLASH FLOOD WATCH...ILZ003-ILZ004-ILZ005-ILZ006-ILZ008-ILZ010-
ILZ011-ILZ012-ILZ013-ILZ014-ILZ019-ILZ020-ILZ021-ILZ022-
ILZ023-ILZ032 UNTIL 4 AM TUESDAY.
IN...FLASH FLOOD WATCH...INZ001-INZ002 UNTIL 4 AM TUESDAY.
LM...DENSE FOG ADVISORY...LMZ261-LMZ362-LMZ364-LMZ366-LMZ563-LMZ565-
LMZ567-LMZ868 UNTIL 9 PM MONDAY.
SMALL CRAFT ADVISORY...LMZ740-LMZ741-LMZ742-LMZ743-LMZ744-
LMZ745...9 AM TUESDAY TO 7 PM TUESDAY.
&&
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WWW.YOUTUBE.COM/NWSCHICAGOHazardous weather outlook, Jun 30, 3:28 PM CDT, 7 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 328 PM CDT MON JUN 30 2014 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 012030- 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- 328 PM CDT MON JUN 30 2014 /428 PM EDT MON JUN 30 2014/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS... NORTHEAST ILLINOIS AND NORTHWEST INDIANA. .DAY ONE...TONIGHT. WEATHER HAZARDS EXPECTED: SEVERE THUNDERSTORMS...SOME OF WHICH MAY PRODUCE: WIND GUSTS IN EXCESS OF 70 MPH. ISOLATED GUSTS IN EXCESS OF 90 MPH. POSSIBLY A TORNADO. HAIL UP TO 2 INCHES IN DIAMETER. TORRENTIAL RAINFALL AND LOCALIZED FLOODING. FREQUENT CLOUD TO GROUND LIGHTNING. AREAS AFFECTED AND TIMING: A LINE OF THUNDERSTORMS HAS ALREADY DEVELOPED OVER EAST CENTRAL IOWA AND IS EXPECTED TO ARRIVE OVER NORTHERN ILLINOIS AROUND 530PM CDT AND CONTINUE TO PUSH EAST NEARING NORTHWEST INDIANA BY 7 PM CDT. SOME OF THESE STORMS MAY BE SEVERE AND MAY ALSO PRODUCE LOCALLY HEAVY RAINFALL THIS EVENING. THUNDERSTORMS WILL THEN DIMINISH AND GRADUALLY MOVE EAST OF THE AREA LATER THIS EVENING. DISCUSSION: THE COMBINATION OF STRONG INSTABILITY...STRONG WINDS ALOFT... AND THE APPROACHING LOW PRESSURE IS EXPECTED TO RESULT IN SEVERE THUNDERSTORMS ARRIVING IN WEST CENTRAL ILLINOIS THIS AFTERNOON. THESE STORMS WILL SPREAD EAST INTO NORTHERN ILLINOIS AND NORTHWEST INDIANA THROUGH THE EVENING HOURS. THE LINE OF STORMS IS EXPECTED TO DEVELOP INTO AN EASTWARD MOVING COMPLEX WITH A SIGNIFICANT POTENTIAL FOR DAMAGING WINDS ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA THIS EVENING. WIND GUSTS IN EXCESS OF 70 MPH...WITH AN ISOLATED GUST IN EXCESS OF 90 MPH POSSIBLE. PORTIONS OF THE KANKAKEE RIVERS WILL REMAIN IN FLOOD. OTHER AREA STREAMS WILL REMAIN NEAR BANKFULL CONDITIONS...HOWEVER WITH ADDITIONAL RAINFALL EXPECTED A FEW SITES MAY APPROACH FLOOD STAGE AGAIN. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SATURDAY NIGHT INTO SUNDAY. PORTIONS OF THE KANKAKEE RIVERS WILL REMAIN IN FLOOD. OTHER AREA STREAMS WILL REMAIN NEAR BANKFULL CONDITIONS...HOWEVER WITH ADDITIONAL RAINFALL A FEW SITES MAY APPROACH FLOOD STAGE AGAIN. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE NEEDED THIS AFTERNOON THROUGH THIS EVENING. && LMZ740>745-012030- 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- 328 PM CDT MON JUN 30 2014 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 LIKELY THIS EVENING THROUGH TONIGHT...WITH SEVERE THUNDERSTORMS POSSIBLE DURING THE EVENING. WIND GUSTS IN EXCESS OF 60 KNOTS WILL BE POSSIBLE THIS EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. GUSTY WEST WINDS MAY PRODUCE HAZARDOUS CONDITIONS FOR SMALL CRAFT ON TUESDAY. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SATURDAY NIGHT INTO SUNDAY. && LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-012030- 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- 328 PM CDT MON JUN 30 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE MICHIGAN. .DAY ONE...TONIGHT. THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE...ARE EXPECTED OVER MUCH OF THE LAKE LATER THIS AFTERNOON AND TONIGHT. WIND GUSTS IN EXCESS OF 60 KNOTS WILL BE POSSIBLE. PATCHY DENSE FOG IS POSSIBLE ACROSS THE NORTHERN HALF OF THE LAKE THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. PATCHY DENSE FOG MAY LINGER MAINLY ACROSS NORTHERN LAKE MICHIGAN THROUGH TUESDAY. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SATURDAY NIGHT INTO SUNDAY. && 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, Jun 30, 10:16 PM CDT, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1016 PM CDT MON JUN 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1005 PM TSTM WND GST 1 W CARBON HILL 41.30N 88.32W
06/30/2014 M67 MPH GRUNDY IL MESONET
&&
RCLocal storm report, Jun 30, 10:23 PM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1023 PM CDT MON JUN 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1014 PM TSTM WND GST 2 ESE LOCKPORT 41.58N 88.01W
06/30/2014 M65 MPH WILL IL MESONET
&&
RCLocal storm report, Jun 30, 10:25 PM CDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1025 PM CDT MON JUN 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0955 PM TSTM WND GST NE PLAINFIELD 41.62N 88.20W
06/30/2014 E70 MPH WILL IL TRAINED SPOTTER
SPOTTER REPORTED POWER FLASHES AS WELL.
1021 PM TSTM WND GST MIDWAY AIRPORT 41.78N 87.75W
06/30/2014 M58 MPH COOK IL ASOS
&&
MTFLocal storm report, Jun 30, 10:33 PM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1033 PM CDT MON JUN 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1005 PM TSTM WND DMG DIAMOND 41.29N 88.26W
06/30/2014 GRUNDY IL TRAINED SPOTTER
SOUTH OF IL-113 ON WILL RD - 12-16 INCH BRANCHES DOWN.
1027 PM TSTM WND GST PARK FOREST 41.48N 87.69W
06/30/2014 M75 MPH COOK IL TRAINED SPOTTER
AT FIRST AND WESTERN.
&&
BNLocal storm report, Jun 30, 10:35 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1035 PM CDT MON JUN 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1017 PM TSTM WND GST TINLEY PARK 41.57N 87.80W
06/30/2014 E65 MPH COOK IL AMATEUR RADIO
&&
MTFLocal storm report, Jun 30, 10:38 PM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1038 PM CDT MON JUN 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1004 PM TSTM WND GST 2 N SHOREWOOD 41.55N 88.20W
06/30/2014 M58 MPH WILL IL MESONET
&&
RCThe air that afternoon
The radiosonde launches on either side of the tornado, from the nearest station that was launching then, drawn and analyzed the way Storm Lab does: the same diagram, the same parcel and shear definitions SPC's mesoanalysis uses.
Lincoln, IL (KILX), 00:00Z
3.7 hours before the tornado, 157 km from the path. July 1, 2014.
- Mixed-layer CAPE
- 3809 J/kg
- Mixed-layer CIN
- -77 J/kg
- Surface CAPE
- 5602 J/kg
- Mixed-layer LCL
- 981 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 304 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 27.2
- 0-3 km lapse rate
- 5.3 K/km
Lincoln, IL (KILX), 12:00Z
8.3 hours after it, 157 km from the path. July 1, 2014.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- -77201 J/kg
- Surface CAPE
- 143 J/kg
- Mixed-layer LCL
- 1361 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -91 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
- 0-3 km lapse rate
- 2.7 K/km
The surface observations
Chicago/Lansing (IGQ), 32 km from the path, in the two hours either side.
| Time (UTC) | Temp (°F) | Dew point (°F) | Wind | Gust (kt) | Pressure (mb) | Weather |
|---|---|---|---|---|---|---|
| 01:55 UTC | 68 | 65.84 | 80° 3 kt | 1006.1 | ||
| 02:15 UTC | 68 | 65.84 | 130° 4 kt | 1006.1 | VCTS | |
| 02:35 UTC | 68.18 | 66.2 | 150° 6 kt | 1006.4 | VCTS | |
| 02:55 UTC | 68.36 | 66.2 | 170° 6 kt | 1005.4 | -TSRA | |
| 03:15 UTC | 69 | 66.38 | 190° 7 kt | 1004.7 | -VCTSRA | |
| 03:35 UTC | 69.44 | 67 | 250° 32 kt | 46 | 1007.1 | +VCTSRA |
| 03:55 UTC | ||||||
| 04:15 UTC | ||||||
| 04:35 UTC | ||||||
| 04:55 UTC | ||||||
| 05:15 UTC | ||||||
| 05:35 UTC |
From the Iowa Environmental Mesonet's archive of airport observations.
The radar
The Chicago radar (KLOT), 66 km away, was scanning. The volume nearest the touchdown began at 03:40 UTC.
Open the radar archive at this moment, over the track
Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.
What was reported nearby
Local storm reports within 60 km of the path, in the three hours either side.
| Time (UTC) | Report | Where | County | Remark |
|---|---|---|---|---|
| 00:45 UTC | TSTM WND GST 66 | Highland | Lake, IN | |
| 00:52 UTC | HEAVY RAIN 1.1 | Dyer | Lake, IN | |
| 01:03 UTC | TSTM WND GST 45 | 2 S Cedar Lake | Lake, IN | |
| 01:04 UTC | TSTM WND DMG | Hammond | Lake, IN | 6400 BLOCK OF VAN BUREN - TREE DOWN ON HOUSE WITH POWER LINES AFFECTED. |
| 01:11 UTC | TSTM WND DMG | Munster | Lake, IN | AT CALUMET AND RIDGE. 7 INCH TO 8 INCH TREES DOWN. ON RIDGE - 24 INCH DIAMETER TREE SPLIT IN HALF BY STRAIGHT LINE WINDS. |
| 01:11 UTC | TSTM WND GST 65 | Chesterton | Porter, IN | AT IN-49 AND PORTER AVENUE. |
| 01:20 UTC | TSTM WND GST 65 | Chesterton | Porter, IN | |
| 01:35 UTC | TSTM WND DMG | Valparaiso | Porter, IN | 1 TO 3 INCH DIAMETER BRANCHES DOWN. NEAR INDIANA ROUTE 130. |
| 03:36 UTC | TSTM WND DMG | Hammond | Lake, IN | NUMEROUS LARGE TREES DOWNED. |
| 03:38 UTC | TSTM WND GST 63 | Lowell | Lake, IN | |
| 03:41 UTC | TSTM WND DMG | Schneider | Lake, IN | SEMI BLOWN OFF OF U.S. HIGHWAY 41. TIME ESTIMATED PER RADAR. |
| 03:42 UTC | TSTM WND GST 86 | Lowell | Lake, IN | |
| 03:43 UTC | TSTM WND DMG | Crown Point | Lake, IN | MULTIPLE LARGE TREES UPROOTED. THIS WAS THE CASE ACROSS THE COUNTY...INCLUDING LARGE BRANCHES AND POWER LINES DOWNED. TIME ESTIMATED PER RADAR. |
| 03:43 UTC | TORNADO | 3 S Lowell | Lake, IN | EF-1 TORNADO SOUTH OF LOWELL HAD AN APPROXIMATE LENGTH OF 6 MILES AND A WIDTH OF UP TO 500 YARDS. MOST SIGNIFICANT DAMAGE INCLUDED NUMEROUS SNAPPED WOODEN POWER POLES...SUBSTANTIALLY DAMAGED GRAIN BINS...AND A DESTROYED |
| 03:46 UTC | TSTM WND GST 110 | 4 Se Lowell | Lake, IN | EVIDENCE OF SIGNIFICANT STRAIGHT LINE WINDS UP TO 110 MPH JUST SOUTH OF TORNADO PATH INCLUDED 6 TO 7 SNAPPED POWER POLES...AN APPROXIMATE 1 MILE WIDE SWATH OF CORN CROP COMPLETELY FLATTENED AND TREES SNAPPED AT THE TRUNK |
| 03:46 UTC | TORNADO | 4 Ese Lowell | Lake, IN | EF-1 TORNADO SOUTHEAST OF LOWELL HAD AN APPROXIMATE LENGTH OF 2.4 MILES AND A WIDTH OF UP TO 500 YARDS. MOST SIGNIFICANT DAMAGE INCLUDED TWO SNAPPED WOODEN POWER POLES...SUBSTANTIALLY DAMAGED GRAIN BINS AND A DESTROYED W |
| 03:47 UTC | TSTM WND DMG | 4 E Schneider | Lake, IN | ROOF BLOWN OFF HOUSE IN SMALL COMMUNITY OF SHELBY. TIME ESTIMATED PER RADAR. |
| 03:47 UTC | TSTM WND DMG | Hobart | Lake, IN | MULTIPLE LARGE TREES DOWNED. TIME ESTIMATED PER RADAR. |
| 03:49 UTC | TORNADO | 3 W De Motte | Jasper, IN | EF-1 TORNADO WITH MAXIMUM WINDS UP TO 100-105 MPH TOUCHED DOWN WEST OF DE MOTTE AND LIFTED ABOUT 5 MILES NORTHEAST OF DE MOTTE. CONSISTENT 100-200 YARD SWATH OF SIGNIFICANT TREE DAMAGE THROUGH PATH...AS WELL AS TWO DESTR |
| 03:49 UTC | TORNADO | 4 Wsw De Motte | Jasper, IN | AN NWS STORM SURVEY TEAM DETERMINED AN EF-1 TORNADO WITH MAXIMUM WINDS OF 100-105 MPH. THIS TORNADO HAD A PATH LENGTH OF AROUND SIX MILES AND ENDED AROUND 2 MILES EAST-NORTHEAST OF DE MOTTE. CONSISTENT 100-200 YARD SWATH |
| 03:51 UTC | TSTM WND DMG | Portage | Porter, IN | MULTIPLE LARGE TREES DOWNED. TIME ESTIMATED PER RADAR. |
| 03:52 UTC | TSTM WND DMG | 4 Sw Hebron | Lake, IN | TREES SNAPPED AND UPROOTED. SHINGLES RIPPED FROM ROOF AND DAMAGE TO SIDING AND DOWNSPOUTS. MEASURED WIND SPEED OF 75 MPH FROM WEATHER STATION BEFORE ELECTRICITY ENDED. TIME ESTIMATED PER RADAR. |
| 03:52 UTC | TSTM WND GST 100 | 4 Sw Hebron | Lake, IN | HARDWOOD AND SOFTWOOD TREES SNAPPED AND UPROOTED SUPPORT STRAIGHT LINE WIND SPEEDS OF UP TO 85-100 MPH. |
| 03:55 UTC | TORNADO | 4 Ene De Motte | Jasper, IN | AN NWS STORM SURVEY TEAM DETERMINED A BRIEF EF-1 TORNADO OCCURRED. THIS TORNADO TRACKED EAST-NORTHEAST FOR APPROXIMATELY ONE MILE. THIS HAD MAXIMUM WINDS OF 90 TO 100 MPH AND A MAXIMUM PATH WIDTH OF 100 YARDS. DAMAGE INC |
| 03:57 UTC | FUNNEL CLOUD | Morocco | Newton, IN | AT IN-114 AND US-41. |
| 03:58 UTC | TSTM WND DMG | Valparaiso | Porter, IN | MANY TREES DOWNED ACROSS THE COUNTY. TIME ESTIMATED PER RADAR. |
| 04:00 UTC | TSTM WND DMG | Lowell | Lake, IN | 6 IN DIAMTER TREE SNAPPED. IN-2 AND BURN. |
| 04:05 UTC | TSTM WND GST 60 | Valparaiso | Porter, IN |
From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.
This ground now
The live radar over the trackEvery 2014 tornado in IndianaEvery tornado in Indiana since 1950Warnings in force in Indiana nowThe forecast where you are
The other tornadoes of June 30, 2014
45 more were confirmed in the United States that day.
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|---|---|---|---|---|---|---|---|
| June 30 | 12:42 PM CDT | EF1 | Adair, IA | 7.1 | 200 | $200,000 | ||
| June 30 | 1:02 PM CDT | EF1 | Story, IA | 12.0 | 460 | $220,000 | ||
| June 30 | 1:13 PM CDT | EF1 | Madison, IA | 1.3 | 75 | $10,000 | ||
| June 30 | 1:15 PM CDT | EF0 | Marshall, IA | 6.5 | 150 | $52,000 | ||
| June 30 | 1:15 PM CDT | EF1 | Madison, IA | 6.4 | 400 | $100,000 | ||
| June 30 | 1:27 PM CDT | EF1 | Warren, IA | 2.0 | 190 | $1,000 | ||
| June 30 | 2:02 PM CDT | EF2 | Tama, IA | 3.7 | 150 | $150,000 | ||
| June 30 | 2:27 PM CDT | EF1 | Benton, IA | 0.4 | 75 | |||
| June 30 | 4:40 PM CDT | EF0 | Nodaway, MO | 3.5 | 200 | |||
| June 30 | 5:20 PM MDT | EF0 | Baca, CO | 0.3 | 50 | |||
| June 30 | 6:43 PM CDT | EF1 | Worth, MO | 2.1 | 300 | |||
| June 30 | 7:53 PM CDT | EF0 | Harrison, MO | 3.0 | 200 | |||
| June 30 | 9:16 PM CDT | EF1 | LaSalle, IL | 1.5 | 50 | $250,000 | ||
| June 30 | 9:34 PM CDT | EF1 | Clay, MO | 0.8 | 200 | |||
| June 30 | 9:38 PM CDT | EF1 | Kendall, IL | 1.1 | 50 | $50,000 | ||
| June 30 | 9:44 PM CDT | EF0 | Grundy, IL | 2.2 | 50 | |||
| June 30 | 9:55 PM CDT | EF1 | Will, IL | 3.1 | 75 | $500,000 | ||
| June 30 | 10:22 PM CDT | EF1 | Kankakee, IL | 10.3 | 150 | $20,000 | ||
| June 30 | 10:23 PM CDT | EF0 | Kankakee, IL | 3.1 | 45 | $133,000 | ||
| June 30 | 10:24 PM CDT | EF1 | Kankakee, IL | 2.7 | 110 | $158,000 | ||
| June 30 | 10:25 PM CDT | EF1 | Kankakee, IL | 5.5 | 450 | $166,000 | ||
| June 30 | 10:26 PM CDT | EF1 | Kankakee, IL | 3.2 | 110 | $166,000 | ||
| June 30 | 10:29 PM CDT | EF1 | Kankakee, IL to IN | 15.8 | 175 | |||
| June 30 | 10:30 PM CDT | EF0 | Kankakee, IL | 4.4 | 295 | $8,000 | ||
| June 30 | 10:32 PM CDT | EF2 | Kankakee, IL | 3.9 | 240 | $500,000 | ||
| June 30 | 10:33 PM CDT | EF0 | Lake, IL to IN | 0.7 | 120 | |||
| June 30 | 10:33 PM CDT | EF1 | Lake, IL to IN | 8.7 | 415 | $256,000 | ||
| June 30 | 10:37 PM CDT | EF1 | Lake, IL to IN | 1.6 | 175 | |||
| June 30 | 10:38 PM CDT | EF1 | Lake, IN | 3.8 | 260 | $86,000 | ||
| June 30 | 10:42 PM CDT | EF1 | Lake, IN | 2.2 | 315 | $28,000 | ||
| June 30 | 10:42 PM CDT | EF1 | Newton, IN | 13.2 | 395 | $180,000 | ||
| June 30 | 10:44 PM CDT | EF2 | Lake, IN | 3.2 | 295 | $250,000 | ||
| June 30 | 10:46 PM CDT | EF1 | Lake, IN | 2.1 | 185 | $25,000 | ||
| June 30 | 10:56 PM CDT | EF1 | Jasper, IN | 1.9 | 100 | $10,000 | ||
| June 30 | 11:11 PM CDT | EF1 | LaPorte, IN | 0.3 | 200 | |||
| June 30 | 11:24 PM CDT | EF1 | LaPorte, IN | 4.7 | 200 | |||
| June 30 | 11:25 PM CDT | EF1 | Starke, IN | 4.9 | 400 | |||
| June 30 | 11:29 PM CDT | EF1 | Starke, IN | 4.8 | 400 | |||
| June 30 | 12:35 AM EDT | EF1 | Marshall, IN | 6.8 | 150 | |||
| June 30 | 12:41 AM EDT | EF1 | Marshall, IN | 0.2 | 50 | |||
| June 30 | 1:06 AM EDT | EF1 | Kosciusko, IN | 0.6 | 150 | |||
| June 30 | 1:06 AM EDT | EF0 | Kosciusko, IN | 1.8 | 50 | |||
| June 30 | 1:08 AM EDT | EF1 | Wabash, IN | 7.0 | 150 | |||
| June 30 | 1:22 AM EDT | EF1 | Whitley, IN | 0.5 | 50 | |||
| June 30 | 1:38 AM EDT | EF1 | LaGrange, IN | 0.9 | 50 |
What this means
Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.
Sources
NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.