Alert archive / Minnesota / Frost Advisories in 2011
Frost Advisory 5, NWS Duluth, MN
NWS Duluth, MN issued this frost advisory at Jun 9, 2011, 3:45 PM CDT for Cook County, Lake County, Saint Louis County, Minnesota. It took effect at Jun 10, 2011, 12:00 AM CDT. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 9, 2011, 3:45 PM CDT (20:45 UTC)
- In effect from
- Jun 10, 2011, 12:00 AM CDT
- Expired
- Jun 10, 2011, 3:04 AM CDT
- In force
- 3 hr
- Issued by
- NWS Duluth, MN
Counties Cook County, MN, Lake County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 106 km from the middle of the area, began a volume at 20:49 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
Minneapolis, MN (KMPX), launched 12:00Z, 8.8 hours before the alert went out and 351 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
- 749 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- -74 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Frost Advisories in Minnesota, 2011Every frost advisory in 2011
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.