Alert archive / Missouri / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 206, NWS Kansas City, MO

June 25, 2019Mercer County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 25, 2019, 11:12 PM CDT for Mercer County, Missouri. It was in force for 33 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
Jun 25, 2019, 11:12 PM CDT (04:12 UTC)
Expired
Jun 25, 2019, 11:45 PM CDT
In force
33 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Mercer County, MO

The radar

The Des Moines radar (KDMX), 146 km from the middle of the area, began a volume at 04:11 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 25, 6:50 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.2 hours before the alert went out and 237 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 2019-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 787 joules per kilogram.LCLLFCEL10008507005003002001001 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, Topeka, KS at 00:00Z on 2019-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939Sfc1 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
787 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
2347 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 25, 10:44 PM CDT, 28 minutes earlier.

Area forecast discussion, Jun 25, 10:44 PM CDT, 28 minutes before
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Hazardous weather outlook, Jun 25, 5:17 AM CDT, 17 hours 55 minutes before
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
517 AM CDT Tue Jun 25 2019

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-261030-
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-
517 AM CDT Tue Jun 25 2019

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

.DAY ONE...Today and Tonight

 Severe storms are possible late this afternoon and evening; with
 large hail, damaging winds, flash flooding, and a few tornadoes
 possible.

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

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

 No hazardous weather is expected after Wednesday, but heat indices
 will climb around 100 degrees by the weekend.

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

In the hours before

Special weather statement, Jun 25, 6:30 PM CDT, 4 hours 42 minutes before
Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
630 PM CDT Tue Jun 25 2019

MOZ006-007-260015-
Putnam MO-Mercer MO-
630 PM CDT Tue Jun 25 2019

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN PUTNAM AND NORTHEASTERN
MERCER COUNTIES UNTIL 715 PM CDT...

At 629 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles north of Mercer, or 12 miles southwest of Corydon, moving east
at 25 mph.

Nickel size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Mercer, Lucerne and Powersville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4039 9311 4039 9336 4050 9354 4058 9351
      4058 9306
TIME...MOT...LOC 2329Z 286DEG 20KT 4062 9348

PP
Special weather statement, Jun 25, 6:40 PM CDT, 4 hours 32 minutes before
Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
640 PM CDT Tue Jun 25 2019

MOZ005-006-260030-
Mercer MO-Harrison MO-
640 PM CDT Tue Jun 25 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MERCER AND NORTHERN
HARRISON COUNTIES UNTIL 730 PM CDT...

At 640 PM CDT, Doppler radar was tracking a strong thunderstorm near
Lamoni, or 9 miles southwest of Leon, moving east at 60 mph.

Penny size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Princeton, Ridgeway, Mercer, Eagleville, Cainsville, Blythedale and
South Lineville.

This includes Interstate 35 in Missouri between mile markers 101 and
113.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4034 9356 4040 9414 4057 9411 4058 9352
TIME...MOT...LOC 2340Z 285DEG 50KT 4061 9383

PP
Local storm report, Jun 25, 7:08 PM CDT, 4 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
708 PM CDT TUE JUN 25 2019

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

0706 PM     HAIL             WATSON                  40.48N 95.62W
06/25/2019  E1.75 INCH       ATCHISON           MO   911 CALL CENTER

&&

LAFLIN
Special weather statement, Jun 25, 7:35 PM CDT, 3 hours 37 minutes before
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Local storm report, Jun 25, 7:53 PM CDT, 3 hours 19 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:01 PM CDTSevere Thunderstorm WarningEAXPutnam, Schuyler24 min
Jun 25, 7:10 PM CDTSevere Thunderstorm WarningEAXMercer, Putnam35 min
Jun 25, 7:18 PM CDTSevere Thunderstorm WarningEAXSchuyler19 min
Jun 25, 7:35 PM CDTSpecial Weather StatementEAXPutnam, Schuyler40 min
Jun 25, 7:44 PM CDTSevere Thunderstorm WarningEAXAdair, Putnam, Schuyler31 min
Jun 25, 8:12 PM CDTSevere Thunderstorm WarningEAXAdair, Schuyler18 min
Jun 25, 10:38 PM CDTSevere Thunderstorm WarningEAXHarrison, Mercer37 min
Jun 25, 11:40 PM CDTSpecial Weather StatementEAXPutnam50 min
Jun 25, 11:44 PM CDTSevere Thunderstorm WarningEAXMercer, Putnam17 min
Jun 26, 12:12 AM CDTSpecial Weather StatementEAXPutnam33 min
Jun 26, 12:46 AM CDTSpecial Weather StatementEAXSchuyler44 min
Jun 26, 12:45 AM CDTSpecial Weather StatementEAXJohnson30 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2019Every severe thunderstorm warning 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.