Alert archive / Indiana / Special Weather Statements in 2017
Special Weather Statement, NWS Northern Indiana
NWS Northern Indiana issued this special weather statement at Oct 14, 2017, 9:25 PM CDT for LaPorte County, Indiana; Berrien County, Michigan. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 14, 2017, 9:25 PM CDT (02:25 UTC)
- Expired
- Oct 14, 2017, 10:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Northern Indiana
Counties LaPorte County, IN, Berrien County, MI
The radar
The Northern Indiana radar (KIWX), 89 km from the middle of the area, began a volume at 02:27 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, 2.4 hours before the alert went out and 236 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
- 360 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1518 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 284 m²/s²
- 0-3 km storm-relative helicity
- 335 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.1
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Northern Indiana wrote its last area forecast discussion before this special weather statement went out at Oct 14, 6:46 PM CDT, 2 hours 39 minutes earlier.
Area forecast discussion, Oct 14, 6:46 PM CDT, 2 hours 39 minutes before
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</html>Hazardous weather outlook, Oct 14, 1:52 PM CDT, 7 hours 33 minutes before
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</html>In the hours before
Local storm report, Oct 14, 3:33 PM CDT, 5 hours 52 minutes before
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</html>Local storm report, Oct 14, 4:33 PM CDT, 4 hours 52 minutes before
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</html>Local storm report, Oct 14, 6:25 PM CDT, 3 hours before
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</html>Local storm report, Oct 14, 8:08 PM CDT, 1 hour 17 minutes before
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</html>Local storm report, Oct 14, 9:05 PM CDT, 20 minutes before
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</html>Special weather statement, Oct 14, 9:25 PM CDT, 0 minutes before
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</html>Nearby
Special Weather Statements in Indiana, 2017Special Weather Statements in Michigan, 2017Every special weather statement in 2017
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.