Alert archive / Nebraska / Frost Advisories in 2018

Frost Advisory 3, NWS Hastings, NE

October 10, 2018Fillmore County, Nuckolls County, Thayer County, Nebraska; Jewell County, Mitchell County, Osborne County, Kansas

NWS Hastings, NE issued this frost advisory at Oct 10, 2018, 3:49 PM CDT for Fillmore County, Nuckolls County, Thayer County, Nebraska; Jewell County, Mitchell County, Osborne County, Kansas. It took effect at Oct 11, 2018, 1:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 10, 2018, 3:49 PM CDT (20:49 UTC)
In effect from
Oct 11, 2018, 1:00 AM CDT
Expired
Oct 11, 2018, 10:16 AM CDT
In force
9 hr
Issued by
NWS Hastings, NE

Counties Jewell County, KS, Mitchell County, KS, Osborne County, KS, Fillmore County, NE, Nuckolls County, NE, Thayer County, NE

The radar

The Grand Island radar (KUEX), 56 km from the middle of the area, began a volume at 20:46 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, 8.8 hours before the alert went out and 254 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.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2018-10-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2018-10-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -123 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-123 m²/s²
0-3 km storm-relative helicity
-11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 10, 4:20 AM CDTFreeze WatchGIDFillmore, Nuckolls, Polk, Thayer, York11 hr
Oct 10, 4:20 AM CDTFreeze WarningGIDAdams, Buffalo, Clay, Dawson, Franklin, Furnas and 15 more30 hr
Oct 9, 7:04 PM CDTRiver Flood WarningGIDOsborne6 hr
Oct 9, 8:41 PM CDTRiver Flood WarningGIDMitchell26 hr

Nearby

Frost Advisories in Nebraska, 2018Frost Advisories in Kansas, 2018Every frost advisory in 2018

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.