Alert archive / Indiana / Special Weather Statements in 2021
Special Weather Statement, NWS Northern Indiana
NWS Northern Indiana issued this special weather statement at Jul 18, 2021, 5:18 PM CDT for LaPorte County, Indiana. It was in force for 27 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
- Jul 18, 2021, 5:18 PM CDT (22:18 UTC)
- Expired
- Jul 18, 2021, 5:45 PM CDT
- In force
- 27 min
- Issued by
- NWS Northern Indiana
County LaPorte County, IN
The radar
The Northern Indiana radar (KIWX), 98 km from the middle of the area, began a volume at 22:19 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, 10.3 hours before the alert went out and 208 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 18, 2:44 PM CDT, 2 hours 34 minutes earlier.
Area forecast discussion, Jul 18, 2:44 PM CDT, 2 hours 34 minutes before
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</html>Hazardous weather outlook, Jul 18, 3:09 AM CDT, 14 hours 9 minutes before
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</html>In the hours before
Special weather statement, Jul 18, 5:18 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:02 PM CDT | Areal Flood Advisory | IWX | Kosciusko | 88 min |
| Jul 17, 11:45 PM CDT | Areal Flood Advisory | IWX | Kosciusko, Whitley | 2 hr |
| Jul 18, 1:28 AM CDT | Areal Flood Advisory | IWX | Huntington, Kosciusko, Wabash, Whitley | 2 hr |
Nearby
Special Weather Statements in Indiana, 2021Every special weather statement in 2021
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.