Alert archive / Indiana / Freeze Watches in 2012
Freeze Watch 3, NWS Indianapolis, IN
NWS Indianapolis, IN issued this freeze watch at Apr 5, 2012, 2:46 PM EDT for 18 counties in Indiana. It took effect at Apr 7, 2012, 2:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 5, 2012, 2:46 PM EDT (18:46 UTC)
- In effect from
- Apr 7, 2012, 2:00 AM EDT
- Expired
- Apr 6, 2012, 3:41 PM EDT
- In force
- Issued by
- NWS Indianapolis, IN
Counties Bartholomew County, IN, Boone County, IN, Carroll County, IN, Clinton County, IN, Decatur County, IN, Delaware County, IN, Hamilton County, IN, Hancock County, IN, Henry County, IN, Howard County, IN, Jennings County, IN, Johnson County, IN, Madison County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Tippecanoe County, IN, Tipton County, IN
The radar
The Indianapolis radar (KIND), 40 km from the middle of the area, began a volume at 18:48 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.8 hours before the alert went out and 188 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
- 2053 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -53 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze watch 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 watch went out at Apr 4, 7:31 PM EDT, 19 hours 15 minutes earlier.
Area forecast discussion, Apr 4, 7:31 PM EDT, 19 hours 15 minutes before
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</html>The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 3:16 AM EDT | Frost Advisory | IND | Boone, Carroll, Clinton, Delaware, Fountain, Hamilton and 14 more | 12 hr |
| Apr 5, 2:46 PM EDT | Freeze Warning | IND | Boone, Carroll, Clinton, Delaware, Fountain, Hamilton and 14 more | 18 hr |
Nearby
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.