Alert archive / Ohio / Frost Advisories in 2021
Frost Advisory 2, NWS Wilmington, OH
NWS Wilmington, OH issued this frost advisory at Apr 17, 2021, 3:16 PM EDT for Darke County, Mercer County, Preble County, Ohio; Fayette County, Union County, Wayne County, Indiana. It took effect at Apr 18, 2021, 2:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 17, 2021, 3:16 PM EDT (19:16 UTC)
- In effect from
- Apr 18, 2021, 2:00 AM EDT
- Expired
- Apr 18, 2021, 9:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Wilmington, OH
Counties Fayette County, IN, Union County, IN, Wayne County, IN, Darke County, OH, Mercer County, OH, Preble County, OH
The radar
The Cincinnati radar (KILN), 103 km from the middle of the area, began a volume at 19:16 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.3 hours before the alert went out and 104 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
- 1486 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
372 WWUS71 KILN 171916 NPWILN URGENT - WEATHER MESSAGE National Weather Service Wilmington OH 316 PM EDT Sat Apr 17 2021 INZ050-058-059-OHZ034-042-060-180400- /O.NEW.KILN.FR.Y.0002.210418T0600Z-210418T1300Z/ Wayne-Fayette IN-Union IN-Mercer-Darke-Preble- Including the cities of Richmond, Connersville, Liberty, West College Corner, Celina, Coldwater, Greenville, Eaton, and Camden 316 PM EDT Sat Apr 17 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT SUNDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Indiana, Wayne, Fayette IN and Union IN Counties. In Ohio, Mercer, Darke and Preble Counties. * WHEN...From 2 AM to 9 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
852 WWUS71 KILN 180156 NPWILN URGENT - WEATHER MESSAGE National Weather Service Wilmington OH 956 PM EDT Sat Apr 17 2021 INZ050-058-059-OHZ034-042-060-181000- /O.CON.KILN.FR.Y.0002.210418T0600Z-210418T1300Z/ Wayne-Fayette IN-Union IN-Mercer-Darke-Preble- Including the cities of Richmond, Connersville, Liberty, West College Corner, Celina, Coldwater, Greenville, Eaton, and Camden 956 PM EDT Sat Apr 17 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT SUNDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Indiana, Wayne, Fayette IN and Union IN Counties. In Ohio, Mercer, Darke and Preble Counties. * WHEN...From 2 AM to 9 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
432 WWUS71 KILN 180757 NPWILN URGENT - WEATHER MESSAGE National Weather Service Wilmington OH 357 AM EDT Sun Apr 18 2021 INZ050-058-059-OHZ034-042-060-181300- /O.CON.KILN.FR.Y.0002.000000T0000Z-210418T1300Z/ Wayne-Fayette IN-Union IN-Mercer-Darke-Preble- Including the cities of Richmond, Connersville, Liberty, West College Corner, Celina, Coldwater, Greenville, Eaton, and Camden 357 AM EDT Sun Apr 18 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...In Indiana, Fayette IN, Union IN and Wayne Counties. In Ohio, Mercer, Preble and Darke Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
763 WWUS71 KILN 181249 NPWILN URGENT - WEATHER MESSAGE National Weather Service Wilmington OH 849 AM EDT Sun Apr 18 2021 INZ050-058-059-OHZ034-042-060-181400- /O.EXP.KILN.FR.Y.0002.000000T0000Z-210418T1300Z/ Wayne-Fayette IN-Union IN-Mercer-Darke-Preble- Including the cities of Richmond, Connersville, Liberty, West College Corner, Celina, Coldwater, Greenville, Eaton, and Camden 849 AM EDT Sun Apr 18 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures have warmed sufficiently above freezing. Therefore, the Frost Advisory will be allowed to expire at 9 AM EDT. $$
Nearby
Frost Advisories in Ohio, 2021Frost Advisories in Indiana, 2021Every frost advisory in 2021
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.