Alert archive / Indiana / Freeze Warnings in 2025

Freeze Warning 1, NWS Indianapolis, IN

April 7, 202539 counties in Indiana

NWS Indianapolis, IN issued this freeze warning at Apr 7, 2025, 2:54 AM EDT for 39 counties in Indiana. It took effect at Apr 8, 2025, 1:00 AM EDT. It was in force for 9 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: Apr 7, 2025, 2:54 AM EDT (06:54 UTC)
In effect from: Apr 8, 2025, 1:00 AM EDT
Expired: Apr 8, 2025, 10:00 AM EDT
In force: 9 hr
Issued by: NWS Indianapolis, IN

All 39 counties

Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Fountain County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 15 km from the middle of the area, began a volume at 06:57 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, 6.9 hours before the alert went out and 194 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1788 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: -75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Indianapolis, IN wrote its last area forecast discussion before this freeze warning went out at Apr 7, 1:19 AM EDT, 1 hour 35 minutes earlier.

Area forecast discussion, Apr 7, 1:19 AM EDT, 1 hour 35 minutes before

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The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 7, 5:01 AM EDT	Dense Fog Advisory	IND	Bartholomew, Brown, Clay, Daviess, Decatur, Greene and 14 more	4 hr
Apr 7, 11:45 AM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Clay, Greene, Jackson, Johnson and 7 more	24 hr

Nearby

Freeze Warnings in Indiana, 2025 Every freeze warning in 2025

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.