Alert archive / Indiana / Frost Advisories in 2015
Frost Advisory 1, NWS Northern Indiana
NWS Northern Indiana issued this frost advisory at Apr 27, 2015, 3:50 PM EDT for 8 counties in Indiana; Branch County, Cass County, Saint Joseph County, Michigan. It took effect at Apr 28, 2015, 2:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 27, 2015, 3:50 PM EDT (19:50 UTC)
- In effect from
- Apr 28, 2015, 2:00 AM EDT
- Expired
- Apr 28, 2015, 9:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Northern Indiana
Counties Cass County, IN, Elkhart County, IN, Fulton County, IN, LaGrange County, IN, Marshall County, IN, Pulaski County, IN, Starke County, IN, White County, IN, Branch County, MI, Cass County, MI, Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 32 km from the middle of the area, began a volume at 19:53 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, 7.8 hours before the alert went out and 291 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
- 1484 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 161 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 Northern Indiana wrote its last area forecast discussion before this frost advisory went out at Apr 27, 3:50 PM EDT, 0 minutes earlier.
Area forecast discussion, Apr 27, 3:50 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 5:06 AM EDT | Small Craft Advisory | IWX | 15 hr |
Nearby
Frost Advisories in Indiana, 2015Frost Advisories in Michigan, 2015Every frost advisory in 2015
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.