Alert archive / Ohio / Freeze Warnings in 2018
Freeze Warning 10, NWS Charleston, WV
NWS Charleston, WV issued this freeze warning at Oct 15, 2018, 12:56 PM EDT for Perry County, Ohio. It took effect at Oct 16, 2018, 2:00 AM EDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2018, 12:56 PM EDT (16:56 UTC)
- In effect from
- Oct 16, 2018, 2:00 AM EDT
- Expired
- Oct 16, 2018, 9:42 AM EDT
- In force
- 8 hr
- Issued by
- NWS Charleston, WV
County Perry County, OH
The radar
The Cincinnati radar (KILN), 140 km from the middle of the area, began a volume at 16:58 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, 4.9 hours before the alert went out and 138 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
- 606 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, WV wrote its last area forecast discussion before this freeze warning went out at Oct 15, 8:01 AM EDT, 4 hours 55 minutes earlier.
Area forecast discussion, Oct 15, 8:01 AM EDT, 4 hours 55 minutes before
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</html>Hazardous weather outlook, Oct 15, 3:53 AM EDT, 9 hours 3 minutes before
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</html>The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 3:42 AM EDT | Frost Advisory | RLX | Athens, Morgan, Perry, Vinton, Washington | 30 hr |
Nearby
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.