Alert archive / Indiana / Winter Storm Warnings in 2019

Winter Storm Warning 1, NWS Louisville, KY

January 11, 20195 counties in Indiana

NWS Louisville, KY issued this winter storm warning at Jan 11, 2019, 3:18 AM EST for 5 counties in Indiana. It took effect at Jan 11, 2019, 10:00 PM EST. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 11, 2019, 3:18 AM EST (08:18 UTC)
In effect from
Jan 11, 2019, 10:00 PM EST
Expired
Jan 12, 2019, 11:59 AM EST
In force
14 hr
Issued by
NWS Louisville, KY

Counties Dubois County, IN, Jefferson County, IN, Orange County, IN, Scott County, IN, Washington County, IN

The radar

The Louisville radar (KLVX), 71 km from the middle of the area, began a volume at 08:18 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, 8.3 hours before the alert went out and 274 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2019-01-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2019-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1181 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 11, 3:18 AM ESTWinter Weather AdvisoryLMKAnderson, Bourbon, Boyle, Breckinridge, Bullitt, Casey and 31 more33 hr

Nearby

Winter Storm Warnings in Indiana, 2019Every winter storm warning in 2019

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.