Alert archive / Indiana / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 52, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Aug 2, 2018, 8:21 PM EDT for Benton County, Jasper County, Newton County, Indiana. It was in force for 37 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 2, 2018, 8:21 PM EDT (00:21 UTC)
- Expired
- Aug 2, 2018, 8:58 PM EDT
- In force
- 37 min
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Benton County, IN, Jasper County, IN, Newton County, IN
The radar
The Chicago radar (KLOT), 107 km from the middle of the area, began a volume at 00:23 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 00:00Z, 0.4 hours before the alert went out and 137 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
- 1463 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1140 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 2, 7:54 PM EDT, 27 minutes earlier.
Area forecast discussion, Aug 2, 7:54 PM EDT, 27 minutes before
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</html>Hazardous weather outlook, Aug 2, 4:21 PM EDT, 4 hours before
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 321 PM CDT Thu Aug 2 2018 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 032030- Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook- La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- Lake IN-Porter-Newton-Jasper-Benton- 321 PM CDT Thu Aug 2 2018 /421 PM EDT Thu Aug 2 2018/ This Hazardous Weather Outlook is for portions of North Central Illinois...Northeast Illinois and Northwest Indiana. .DAY ONE...Tonight. Weather hazards expected... Elevated Thunderstorm Risk early this evening. Elevated Fog Risk. DISCUSSION... Isolated to scattered thunderstorms along a cold front across southeast portions of the forecast area early this evening will move southeast of the area by late evening. Fog is expected to develop across much of the area overnight tonight. The fog may be locally dense at times late tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Friday morning... Limited Fog Risk. Saturday... Limited Excessive Heat Risk. Sunday and Monday... Limited Thunderstorm Risk. Limited Excessive Heat Risk. Tuesday... Limited Thunderstorm Risk. DISCUSSION: Hot and humid conditions are expected Saturday and Sunday, with maximum heat index values into the mid to possibly upper 90s each day. Thunderstorms are probable at times late Sunday through Tuesday, with some risk for strong to severe thunderstorms Monday afternoon and evening. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the east-northeast at 20 mph. LMZ740>745-032030- 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- 321 PM CDT Thu Aug 2 2018 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Elevated Thunderstorm Risk south early this evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Sunday through Tuesday... Limited Thunderstorm Risk. LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-032030- 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 Holland to Whitehall MI 5 nm off shore to mid- line of 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- 321 PM CDT Thu Aug 2 2018 This Hazardous Weather Outlook is for portions of the open waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Elevated Thunderstorm Risk south early this evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Saturday through Wednesday... Limited Thunderstorm Risk. Kluber Visit us at http://weather.gov/chicago Follow us on Facebook, Twitter, and Youtube at: www.facebook.com/nwschicago www.twitter.com/nwschicago www.youtube.com/nwschicago
In the hours before
Special weather statement, Aug 2, 5:59 PM EDT, 2 hours 22 minutes before
Special Weather Statement
National Weather Service Chicago/Romeoville Il
459 PM CDT THU AUG 2 2018
ILZ033-INZ010-011-022230-
Iroquois IL-Newton IN-Jasper IN-
459 PM CDT THU AUG 2 2018
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN IROQUOIS...CENTRAL
NEWTON AND NORTHERN JASPER COUNTIES UNTIL 530 PM CDT...
At 457 PM CDT, Doppler radar was tracking an areas of strong
thunderstorms near Morocco, moving northeast at 20 mph.
Nickel size hail and winds in excess of 40 mph will be possible with
this area of storms.
Locations impacted include...
Rensselaer, De Motte, Morocco, Roselawn, Gifford, Enos, Beaver City,
Pembroke, Fair Oaks, Moody, Pleasant Ridge, Surrey, Brook,
Collegeville, Donovan, Iroquois and Mount Ayr.
Including the following interstate...
Indiana I-65 between mile markers 211 and 231.
This includes... US 41 Dragway.
LAT...LON 4079 8759 4088 8762 4097 8760 4101 8754
4101 8753 4102 8752 4113 8738 4120 8716
4096 8693
TIME...MOT...LOC 2157Z 236DEG 19KT 4095 8740
DONOFRIOSpecial weather statement, Aug 2, 6:59 PM EDT, 1 hour 22 minutes before
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</html>Special weather statement, Aug 2, 7:28 PM EDT, 53 minutes before
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</html>Special weather statement, Aug 2, 7:43 PM EDT, 38 minutes before
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</html>Local storm report, Aug 2, 7:48 PM EDT, 33 minutes before
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</html>Local storm report, Aug 2, 7:50 PM EDT, 31 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 |
|---|---|---|---|---|
| Aug 3, 6:40 AM EDT | Dense Fog Advisory | LOT | Boone, McHenry, Winnebago | 2 hr |
| Aug 2, 8:30 PM EDT | Areal Flood Advisory | LOT | Benton, Jasper, Newton | 3 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 2018Every severe thunderstorm warning in 2018
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.