Alert archive / Minnesota / Red Flag Warnings in 2015
Red Flag Warning 5, NWS Duluth, MN
NWS Duluth, MN issued this red flag warning at May 2, 2015, 4:46 AM CDT for Cass County, Itasca County, Koochiching County, Minnesota. It took effect at May 2, 2015, 1:00 PM CDT. It was in force for 7 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
- May 2, 2015, 4:46 AM CDT (09:46 UTC)
- In effect from
- May 2, 2015, 1:00 PM CDT
- Expired
- May 2, 2015, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Duluth, MN
Counties Cass County, MN, Itasca County, MN, Koochiching County, MN
The radar
The Duluth radar (KDLH), 152 km from the middle of the area, began a volume at 09:49 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
International Fa, MN (KINL), launched 00:00Z, 9.8 hours before the alert went out and 120 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
- 2523 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Duluth, MN wrote its last area forecast discussion before this red flag warning went out at May 1, 4:01 PM CDT, 12 hours 45 minutes earlier.
Area forecast discussion, May 1, 4:01 PM CDT, 12 hours 45 minutes before
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</html>Hazardous weather outlook, May 1, 3:38 PM CDT, 13 hours 8 minutes before
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Red Flag Warnings in Minnesota, 2015Every red flag warning 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.