Alert archive / Missouri / Wind Advisories in 2017

Wind Advisory 8, NWS Kansas City, MO

December 11, 201712 counties in Missouri

NWS Kansas City, MO issued this wind advisory at Dec 11, 2017, 11:06 AM CST for 12 counties in Missouri. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Dec 11, 2017, 11:06 AM CST (17:06 UTC)
Expired
Dec 11, 2017, 6:00 PM CST
In force
7 hr
Issued by
NWS Kansas City, MO

Counties Andrew County, MO, Atchison County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 152 km from the middle of the area, began a volume at 17:12 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

Topeka, KS (KFOE), launched 12:00Z, 5.1 hours before the alert went out and 171 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, Topeka, KS at 12:00Z on 2017-12-11Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2017-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
3384 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

878 
WWUS73 KEAX 111706
NPWEAX

URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
1106 AM CST Mon Dec 11 2017

MOZ001>006-011>015-023-120000-
/O.NEW.KEAX.WI.Y.0008.171211T1706Z-171212T0000Z/
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Holt-Andrew-
De Kalb-Daviess-Grundy-Livingston-
Including the cities of Tarkio, Rockport, Fairfax, Maryville, 
Grant City, Albany, Stanberry, King City, Bethany, Princeton, 
Mercer, Mound City, Oregon, Maitland, Forest City, Craig, 
Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, 
Union Star, Clarksdale, Gallatin, Jamesport, Trenton, 
and Chillicothe
1106 AM CST Mon Dec 11 2017

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

The National Weather Service in Kansas City/Pleasant Hill has
issued a Wind Advisory, which is in effect until 6 PM CST this
evening. 

* TIMING...Now through this evening.

* WINDS...Northwest at 30 to 35 mph with gusts to 45 mph.

* IMPACTS...Strong winds will make driving difficult, especially
  for high-profile vehicles. In addition to the strong winds, dry
  conditions will result in very high fire danger and make any
  fires extremely difficult to control.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of at least 30 mph are expected
with gusts to 45 mph. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$
1 follow-up statement
314 
WWUS73 KEAX 112355
NPWEAX

URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
555 PM CST Mon Dec 11 2017

MOZ001>006-011>015-023-120100-
/O.EXP.KEAX.WI.Y.0008.000000T0000Z-171212T0000Z/
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Holt-Andrew-
De Kalb-Daviess-Grundy-Livingston-
Including the cities of Tarkio, Rockport, Fairfax, Maryville, 
Grant City, Albany, Stanberry, King City, Bethany, Princeton, 
Mercer, Mound City, Oregon, Maitland, Forest City, Craig, 
Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, 
Union Star, Clarksdale, Gallatin, Jamesport, Trenton, 
and Chillicothe
555 PM CST Mon Dec 11 2017

...WIND ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...

Criteria-level surface winds have tapered off recently and will 
continue to do so through the remainder of the evening. Therefore,
the advisory will be allowed to expire at 6 PM.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 3:23 AM CSTRed Flag WarningEAXBates, Buchanan, Caldwell, Carroll, Cass, Clay and 11 more15 hr

Nearby

Wind Advisories in Missouri, 2017Every wind advisory in 2017

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.