Alert archive / Missouri / Wind Chill Advisories in 2020

Wind Chill Advisory 1, NWS Kansas City, MO

January 18, 202010 counties in Missouri

NWS Kansas City, MO issued this wind chill advisory at Jan 18, 2020, 1:41 PM CST for 10 counties in Missouri. It took effect at Jan 19, 2020, 12:00 AM CST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Jan 18, 2020, 1:41 PM CST (19:41 UTC)
In effect from
Jan 19, 2020, 12:00 AM CST
Expired
Jan 19, 2020, 10:58 AM CST
In force
11 hr
Issued by
NWS Kansas City, MO

Counties Adair County, MO, Atchison County, MO, Gentry County, MO, Harrison County, MO, Mercer County, MO, Nodaway County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO

The radar

The Des Moines radar (KDMX), 152 km from the middle of the area, began a volume at 19:39 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

Omaha, NE (KOAX), launched 12:00Z, 7.7 hours before the alert went out and 241 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, Omaha, NE at 12:00Z on 2020-01-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Omaha, NE at 12:00Z on 2020-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -90 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-90 m²/s²
0-3 km storm-relative helicity
-87 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 Kansas City, MO wrote its last area forecast discussion before this wind chill advisory went out at Jan 18, 11:09 AM CST, 2 hours 32 minutes earlier.

Area forecast discussion, Jan 18, 11:09 AM CST, 2 hours 32 minutes before
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Hazardous weather outlook, Jan 18, 5:06 AM CST, 8 hours 35 minutes before
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
506 AM CST Sat Jan 18 2020

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-191115-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
506 AM CST Sat Jan 18 2020

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Today and Tonight

 Winds will gust today out of the northwest around 30 to 40 mph, with
occasionally higher gusts approaching 50 mph. The fastest winds will
be generally near the Iowa and Missouri border, where a wind advisory
is currently in effect through 4 pm today.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

.DAYS TWO THROUGH SEVEN...Sunday through Friday

 There will be another chance at some wintry weather toward the
middle to latter part of the upcoming work week. At this time we do
not expect high impact winter weather with this mid to late week
activity.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 18, 4:23 AM CSTWind AdvisoryEAXAdair, Andrew, Atchison, Daviess, DeKalb, Gentry and 9 more9 hr
Jan 18, 6:24 AM CSTRiver Flood WarningEAXCooper32 hr
Jan 18, 8:44 AM CSTRiver Flood WarningEAXCooper29 hr
Jan 18, 10:52 AM CSTRiver Flood WarningEAXJohnson, Pettis32 hr

Nearby

Wind Chill Advisories in Missouri, 2020Every wind chill advisory in 2020

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.