Alert archive / Indiana / Frost Advisories in 2023
Frost Advisory 8, NWS Indianapolis, IN
NWS Indianapolis, IN issued this frost advisory at Oct 9, 2023, 2:30 PM EDT for 31 counties in Indiana. It took effect at Oct 10, 2023, 1:00 AM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Oct 9, 2023, 2:30 PM EDT (18:30 UTC)
- In effect from
- Oct 10, 2023, 1:00 AM EDT
- Expired
- Oct 10, 2023, 9:00 AM EDT
- In force
- 8 hr
- Issued by
- NWS Indianapolis, IN
All 31 counties
Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Decatur County, IN, Delaware County, IN, Fountain County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Johnson County, IN, Madison County, IN, Marion 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, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.5 hours before the alert went out and 223 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
- 1050 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost advisory 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 frost advisory went out at Oct 9, 12:13 PM EDT, 2 hours 17 minutes earlier.
Area forecast discussion, Oct 9, 12:13 PM EDT, 2 hours 17 minutes before
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</html>Hazardous weather outlook, Oct 9, 3:56 AM EDT, 10 hours 34 minutes before
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Frost Advisories in Indiana, 2023Every frost advisory in 2023
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.