Alert archive / Indiana / Winter Storm Watches in 2018

Winter Storm Watch 4, NWS Northern Indiana

March 22, 20187 counties in Indiana

NWS Northern Indiana issued this winter storm watch at Mar 22, 2018, 3:58 AM EDT for 7 counties in Indiana. It took effect at Mar 24, 2018, 2:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 22, 2018, 3:58 AM EDT (07:58 UTC)
In effect from
Mar 24, 2018, 2:00 AM EDT
Expired
Mar 23, 2018, 3:37 PM EDT
In force
Issued by
NWS Northern Indiana

Counties Blackford County, IN, Cass County, IN, Grant County, IN, Jay County, IN, Miami County, IN, Pulaski County, IN, White County, IN

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.0 hours before the alert went out and 229 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 2018-03-22Temperature 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 2018-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
2142 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

Nearby

Winter Storm Watches in Indiana, 2018Every winter storm watch 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.