Alert archive / North Dakota / Frost Advisories in 2015
Frost Advisory 7, NWS Bismarck, ND
NWS Bismarck, ND issued this frost advisory at Sep 9, 2015, 2:45 PM CDT for 6 counties in North Dakota. It took effect at Sep 10, 2015, 4:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Sep 9, 2015, 2:45 PM CDT (19:45 UTC)
- In effect from
- Sep 10, 2015, 4:00 AM CDT
- Expired
- Sep 10, 2015, 9:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Bismarck, ND
Counties Bottineau County, ND, Burke County, ND, McHenry County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND
The radar
The Minot AFB radar (KMBX), 23 km from the middle of the area, began a volume at 19:47 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
Aberdeen, SD (KABR), launched 12:00Z, 7.8 hours before the alert went out and 453 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
- 11 J/kg
- Mixed-layer CIN
- -238 J/kg
- Mixed-layer LCL
- 1799 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 264 m²/s²
- 0-3 km storm-relative helicity
- 280 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Frost Advisories in North Dakota, 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.