Alert archive / Nebraska / Frost Advisories in 2013
Frost Advisory 1, NWS Hastings, NE
NWS Hastings, NE issued this frost advisory at May 11, 2013, 3:30 PM CDT for 6 counties in Nebraska. It took effect at May 12, 2013, 3:00 AM CDT. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2013, 3:30 PM CDT (20:30 UTC)
- In effect from
- May 12, 2013, 3:00 AM CDT
- Expired
- May 12, 2013, 5:33 AM CDT
- In force
- 3 hr
- Issued by
- NWS Hastings, NE
Counties Greeley County, NE, Merrick County, NE, Nance County, NE, Polk County, NE, Valley County, NE, York County, NE
The radar
The Grand Island radar (KUEX), 112 km from the middle of the area, began a volume at 20:28 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.5 hours before the alert went out and 209 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
- 2064 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -144 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Frost Advisories in Nebraska, 2013Every frost advisory in 2013
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.