Alert archive / Missouri / Special Weather Statements in 2017

Special Weather Statement, NWS Kansas City, MO

May 19, 2017Henry County, Missouri

NWS Kansas City, MO issued this special weather statement at May 19, 2017, 1:43 AM CDT for Henry County, Missouri. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 19, 2017, 1:43 AM CDT (06:43 UTC)
Expired: May 19, 2017, 2:00 AM CDT
In force: 17 min
Issued by: NWS Kansas City, MO

County Henry County, MO

The radar

The Pleasant Hill radar (KEAX), 86 km from the middle of the area, began a volume at 06:44 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

Springfield, MO (KSGF), launched 00:00Z, 6.7 hours before the alert went out and 152 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2055 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1439 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 19, 12:35 AM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, May 19, 12:35 AM CDT, 1 hour 8 minutes before

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Hazardous weather outlook, May 18, 4:30 AM CDT, 21 hours 13 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
430 AM CDT Thu May 18 2017

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-190930-
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-
430 AM CDT Thu May 18 2017

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

.DAY ONE...Today and Tonight

 Thunderstorms will become increasingly likely this evening into the
 early overnight hours across the outlook area. These storms may be
 strong to severe, and may be capable of producing strong straight-
 line winds, hail, and a few brief tornadoes.

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

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

 Another round of thunderstorms is possible Friday evening through
 early Saturday morning. A few storms could become strong to severe.

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

In the hours before

Local storm report, May 18, 10:50 PM CDT, 2 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1050 PM CDT THU MAY 18 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1047 PM     TSTM WND DMG     2 NW BLUE SPRINGS       39.03N 94.31W
05/18/2017                   JACKSON            MO   TRAINED SPOTTER

            4-6 INCH DIAMETER BRANCHES SNAPPED OFF OF HEALTHY OAK
            TREES

&&

SGRANA

Local storm report, May 18, 10:52 PM CDT, 2 hours 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1052 PM CDT THU MAY 18 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1050 PM     TSTM WND DMG     INDEPENDENCE            39.09N 94.42W
05/18/2017                   JACKSON            MO   TRAINED SPOTTER

            6-7INCH TREE BRANCHES DOWN

&&

JBARHAM

Local storm report, May 18, 10:55 PM CDT, 2 hours 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1055 PM CDT THU MAY 18 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1048 PM     TSTM WND GST     LIBERTY                 39.25N 94.42W
05/18/2017  E75 MPH          CLAY               MO   NWS EMPLOYEE

            LARGE HARDWOOD TREES BENT HORIZONTALLY

&&

LAFLIN

Local storm report, May 18, 11:30 PM CDT, 2 hours 13 minutes before

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Special weather statement, May 19, 12:15 AM CDT, 1 hour 28 minutes before

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Special weather statement, May 19, 1:43 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 8:45 PM CDT	Severe Thunderstorm Warning	EAX	Platte	30 min
May 18, 8:57 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Platte	48 min
May 18, 9:33 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Clinton, Platte	27 min
May 18, 9:50 PM CDT	Severe Thunderstorm Warning	EAX	Platte	40 min
May 18, 9:55 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Clinton	35 min
May 18, 10:01 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	29 min
May 18, 10:15 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Clay, Jackson, Platte, Ray	45 min
May 18, 10:43 PM CDT	Severe Thunderstorm Warning	EAX	Jackson, Lafayette, Ray	47 min
May 19, 12:15 AM CDT	Special Weather Statement	EAX	Chariton	45 min
May 19, 9:49 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	3 days
May 19, 9:49 AM CDT	River Flood Warning	EAX	Johnson, Pettis	72 hr
May 19, 9:49 AM CDT	River Flood Warning	EAX	Cooper, Saline	5 days
May 19, 9:49 AM CDT	River Flood Warning	EAX	Bates, Cass, Henry	3 days
May 19, 9:56 AM CDT	River Flood Warning	EAX	Chariton, Macon	4 days
May 19, 9:56 AM CDT	River Flood Warning	EAX	Daviess, Gentry	70 hr
May 19, 9:56 AM CDT	River Flood Warning	EAX	Daviess, Livingston	3 days
May 19, 9:56 AM CDT	River Flood Warning	EAX	Linn, Livingston	5 days
May 19, 9:56 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	24 hr
May 19, 9:56 AM CDT	River Flood Warning	EAX	Carroll, Chariton	24 hr
May 19, 9:58 AM CDT	River Flood Warning	EAX	Ray	67 hr
May 19, 9:58 AM CDT	River Flood Warning	EAX	Carroll	3 days
May 19, 9:59 AM CDT	River Flood Warning	EAX	Cooper	59 hr
May 19, 9:59 AM CDT	River Flood Warning	EAX	Howard	55 hr
May 19, 9:59 AM CDT	River Flood Warning	EAX	Cooper	66 hr
May 19, 10:01 AM CDT	River Flood Warning	EAX	Buchanan	4 days
May 19, 10:01 AM CDT	River Flood Warning	EAX	Platte	5 days
May 19, 10:01 AM CDT	River Flood Warning	EAX	Platte	5 days
May 19, 10:07 AM CDT	River Flood Warning	EAX	Clay, Jackson, Ray	5 days
May 19, 10:07 AM CDT	River Flood Warning	EAX	Chariton, Howard, Saline	6 days
May 19, 10:07 AM CDT	River Flood Warning	EAX	Cooper, Howard	5 days
May 19, 4:58 PM CDT	Special Weather Statement	EAX	Randolph	32 min
May 19, 5:21 PM CDT	Special Weather Statement	EAX	Saline	24 min
May 19, 5:55 PM CDT	Special Weather Statement	EAX	Cooper	20 min
May 19, 6:13 PM CDT	Special Weather Statement	EAX	Cooper	32 min
May 18, 7:59 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth	46 min
May 18, 8:06 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Leavenworth	54 min
May 18, 8:19 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	41 min
May 18, 9:41 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Miami	49 min
May 18, 10:26 PM CDT	Flash Flood Warning	EAX	Johnson, Wyandotte	3 hr
May 18, 11:23 PM CDT	River Flood Warning	EAX	Atchison, Leavenworth	58 hr
May 19, 8:22 AM CDT	River Flood Warning	EAX	Leavenworth	4 days

Nearby

Special Weather Statements in Missouri, 2017 Every special weather statement 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.