Alert archive / Nebraska / Frost Advisories in 2014
Frost Advisory 1, NWS Omaha, NE
NWS Omaha, NE issued this frost advisory at May 1, 2014, 3:47 PM CDT for 9 counties in Nebraska. It took effect at May 2, 2014, 4:00 AM CDT. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 1, 2014, 3:47 PM CDT (20:47 UTC)
- In effect from
- May 2, 2014, 4:00 AM CDT
- Expired
- May 2, 2014, 7:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Omaha, NE
Counties Boone County, NE, Butler County, NE, Colfax County, NE, Jefferson County, NE, Madison County, NE, Platte County, NE, Saline County, NE, Seward County, NE, Stanton County, NE
The radar
The Omaha radar (KOAX), 81 km from the middle of the area, began a volume at 20:47 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
Topeka, KS (KFOE), launched 12:00Z, 8.8 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
- 8 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Frost Advisories in Nebraska, 2014Every frost advisory in 2014
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.