Alert archive / Ohio / Frost Advisories in 2022

Frost Advisory 4, NWS Wilmington, OH

April 27, 202210 counties in Ohio

NWS Wilmington, OH issued this frost advisory at Apr 27, 2022, 3:55 AM EDT for 10 counties in Ohio. It took effect at Apr 28, 2022, 2:00 AM EDT. It was in force for 114 min.

The area

The counties it named.

The facts

Issued
Apr 27, 2022, 3:55 AM EDT (07:55 UTC)
In effect from
Apr 28, 2022, 2:00 AM EDT
Expired
Apr 28, 2022, 3:54 AM EDT
In force
114 min
Issued by
NWS Wilmington, OH

Counties Clark County, OH, Darke County, OH, Fayette County, OH, Greene County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Pickaway County, OH, Ross County, OH, Shelby County, OH

The radar

The Cincinnati radar (KILN), 54 km from the middle of the area, began a volume at 07:55 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

Pittsburgh, PA (KPIT), launched 00:00Z, 7.9 hours before the alert went out and 322 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, Pittsburgh, PA at 00:00Z on 2022-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 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, Pittsburgh, PA at 00:00Z on 2022-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939587897117Sfc1 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
11 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 3:55 AM EDTFreeze WarningILNAuglaize, Champaign, Delaware, Fairfield, Franklin, Hardin and 6 more27 hr

Nearby

Frost Advisories in Ohio, 2022Every frost advisory in 2022

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.