Alert archive / Missouri / High Wind Warnings in 2017

High Wind Warning 2, NWS Kansas City, MO

April 30, 2017Carroll County, Chariton County, Saline County, Missouri

NWS Kansas City, MO issued this high wind warning at Apr 30, 2017, 1:58 AM CDT for Carroll County, Chariton County, Saline County, Missouri. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 30, 2017, 1:58 AM CDT (06:58 UTC)
Expired
Apr 30, 2017, 2:55 AM CDT
In force
57 min
Issued by
NWS Kansas City, MO

Counties Carroll County, MO, Chariton County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 109 km from the middle of the area, began a volume at 06:59 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 00:00Z, 7.0 hours before the alert went out and 212 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 00:00Z on 2017-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2017-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 429 square meters per square second.1939587897Sfc1 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
105 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
440 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
429 m²/s²
0-3 km storm-relative helicity
415 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

912 
WWUS73 KEAX 300658
NPWEAX

URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
158 AM CDT Sun Apr 30 2017

MOZ029-030-037-038-043-044-300800-
/O.CAN.KEAX.HW.W.0001.000000T0000Z-170430T0700Z/
Clay-Ray-Jackson-Lafayette-Cass-Johnson MO-
Including the cities of Gladstone, Liberty, Excelsior Springs, 
Richmond, Lawson, Kansas City, Independence, Odessa, 
Higginsville, Lexington, Concordia, Belton, Raymore, 
Harrisonville, Pleasant Hill, and Warrensburg
158 AM CDT Sun Apr 30 2017

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Kansas City/Pleasant Hill has
cancelled the High Wind Warning. 

The corridor of severe winds associated with a small low pressure
system has moved east of the area, with wind gusts gradually
relaxing.  

$$

MOZ031-032-039-300800-
/O.NEW.KEAX.HW.W.0002.170430T0658Z-170430T0800Z/
Carroll-Chariton-Saline-
Including the cities of Carrollton, Salisbury, Brunswick, 
Keytesville, and Marshall
158 AM CDT Sun Apr 30 2017

...HIGH WIND WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS
MORNING...

The National Weather Service in Kansas City/Pleasant Hill has
issued a High Wind Warning, which is in effect until 3 AM CDT
early this morning. 

* TIMING...A small low pressure system on the backside of the
  departing precipitation will bring severe wind speeds during the
  next hour. 

* WINDS...Wind gusts up to 60 mph.

* IMPACTS...Damage to trees and power lines possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

Blair
1 follow-up statement
926 
WWUS73 KEAX 300755
NPWEAX

URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
255 AM CDT Sun Apr 30 2017

MOZ031-032-039-300900-
/O.CAN.KEAX.HW.W.0002.000000T0000Z-170430T0800Z/
Carroll-Chariton-Saline-
Including the cities of Carrollton, Salisbury, Brunswick, 
Keytesville, and Marshall
255 AM CDT Sun Apr 30 2017

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Kansas City/Pleasant Hill has
cancelled the High Wind Warning. 

The small low pressure system responsible for severe wind gusts
has become disorganized. While occasional wind gusts up to 40 mph 
will remain possible over the next hour, the severe wind gust 
threat has diminished. 

$$

Blair

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 9:23 PM CDTAreal Flood AdvisoryEAXJackson9 hr
Apr 29, 11:21 PM CDTRiver Flood WarningEAXJackson29 hr
Apr 30, 12:49 AM CDTHigh Wind WarningEAXCass, Clay, Jackson, Johnson, Lafayette, Ray69 min
Apr 30, 1:20 AM CDTAreal Flood WarningEAXBates, Cass, Cooper, Henry, Johnson, Pettis60 hr
Apr 30, 4:12 AM CDTAreal Flood WarningEAXChariton, Howard, Macon, Randolph, Saline57 hr
Apr 30, 6:29 AM CDTSpecial Weather StatementEAXJohnson31 min
Apr 30, 6:45 AM CDTSevere Thunderstorm WarningEAXJohnson15 min

Nearby

High Wind Warnings in Missouri, 2017Every high wind warning 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.