Alert archive / Ohio / Wind Chill Advisories in 2019

Wind Chill Advisory 1, NWS Wilmington, OH

January 20, 201926 counties in Ohio; 4 counties in Indiana

NWS Wilmington, OH issued this wind chill advisory at Jan 20, 2019, 4:48 AM EST for 26 counties in Ohio; 4 counties in Indiana. It took effect at Jan 20, 2019, 6:00 PM EST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jan 20, 2019, 4:48 AM EST (09:48 UTC)
In effect from
Jan 20, 2019, 6:00 PM EST
Expired
Jan 21, 2019, 11:31 AM EST
In force
18 hr
Issued by
NWS Wilmington, OH
All 30 counties

Fayette County, IN, Franklin County, IN, Union County, IN, Wayne County, IN, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Preble County, OH, Ross County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 51 km from the middle of the area, began a volume at 09:52 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 (KAGC), launched 00:00Z, 9.8 hours before the alert went out and 325 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 2019-01-20Temperature 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, Pittsburgh, PA at 00:00Z on 2019-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 557 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
448 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
557 m²/s²
0-3 km storm-relative helicity
588 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this wind chill advisory went out at Jan 20, 3:46 AM EST, 1 hour 2 minutes earlier.

Area forecast discussion, Jan 20, 3:46 AM EST, 1 hour 2 minutes before
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Hazardous weather outlook, Jan 19, 4:55 PM EST, 11 hours 53 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
455 PM EST Sat Jan 19 2019

INZ050-058-059-066-OHZ026-034-035-042>046-051>056-060>063-070>072-
202200-
Wayne-Fayette IN-Union IN-Franklin IN-Hardin-Mercer-Auglaize-Darke-
Shelby-Logan-Union OH-Delaware-Miami-Champaign-Clark-Madison-
Franklin OH-Licking-Preble-Montgomery-Greene-Fayette OH-Butler-
Warren-Clinton-
455 PM EST Sat Jan 19 2019

...WINTER STORM WARNING IN EFFECT UNTIL 4 AM EST SUNDAY...

This Hazardous Weather Outlook is for East Central Indiana,
Southeast Indiana, Central Ohio, Southwest Ohio and West Central
Ohio.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

Winter Storm Warning. Gusty winds up to 45 mph tonight. Cold wind
chill values expected tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Gusty winds up to 40 mph Sunday morning. Cold wind chill values
expected through Tuesday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

KYZ097>100-OHZ081-082-088-202200-
Bracken-Robertson-Mason-Lewis-Adams-Pike-Scioto-
455 PM EST Sat Jan 19 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON EST SUNDAY...

This Hazardous Weather Outlook is for Northeast Kentucky, Northern
Kentucky and South Central Ohio.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Winter Weather Advisory.

Gusty winds up to 45 mph tonight. Cold wind chill values expected
tonight

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Winter Weather Advisory.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

INZ073>075-080-KYZ089>096-OHZ073-077>080-202200-
Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-
Campbell-Owen-Grant-Pendleton-Ross-Hamilton-Clermont-Brown-Highland-
455 PM EST Sat Jan 19 2019

...WINTER STORM WARNING IN EFFECT UNTIL 8 AM EST SUNDAY...

This Hazardous Weather Outlook is for Southeast Indiana, Northern
Kentucky, South Central Ohio and Southwest Ohio.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Winter Storm Warning.

Gusty winds up to 45 mph. Cold wind chill values expected.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Winter Storm Warning.

Gusty winds up to 40 mph Sunday morning. Cold wind chill values
expected through Tuesday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ064-065-074-202200-
Pickaway-Fairfield-Hocking-
455 PM EST Sat Jan 19 2019

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM EST SUNDAY...

This Hazardous Weather Outlook is for Central Ohio.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Winter Storm Warning.

Gusty winds up to 45 mph. Cold wind chill values expected.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Gusty winds up to 40 mph Sunday morning. Cold wind chill values
expected through Tuesday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jan 20, 2:55 AM EST, 1 hour 53 minutes before
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Local storm report, Jan 20, 2:56 AM EST, 1 hour 52 minutes before
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Local storm report, Jan 20, 2:58 AM EST, 1 hour 50 minutes before
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Local storm report, Jan 20, 3:18 AM EST, 1 hour 30 minutes before
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Local storm report, Jan 20, 3:20 AM EST, 1 hour 28 minutes before
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Local storm report, Jan 20, 3:40 AM EST, 1 hour 8 minutes before
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Nearby

Wind Chill Advisories in Ohio, 2019Wind Chill Advisories in Indiana, 2019Every wind chill advisory in 2019

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.