Alert archive / Missouri / Special Weather Statements in 2015

Special Weather Statement, NWS Kansas City, MO

May 15, 2015Linn County, Missouri

NWS Kansas City, MO issued this special weather statement at May 15, 2015, 3:01 PM CDT for Linn County, Missouri. It was in force for 29 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 15, 2015, 3:01 PM CDT (20:01 UTC)
Expired: May 15, 2015, 3:30 PM CDT
In force: 29 min
Issued by: NWS Kansas City, MO

County Linn County, MO

The radar

The Pleasant Hill radar (KEAX), 129 km from the middle of the area, began a volume at 20:02 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, 8.0 hours before the alert went out and 219 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: 1804 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 771 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 15, 12:43 PM CDT, 2 hours 18 minutes earlier.

Area forecast discussion, May 15, 12:43 PM CDT, 2 hours 18 minutes before

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Hazardous weather outlook, May 15, 1:45 PM CDT, 1 hour 16 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
145 PM CDT FRI MAY 15 2015

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-161845-
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-
145 PM CDT FRI MAY 15 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND
WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

 A FEW THUNDERSTORMS ARE POSSIBLE LATE THIS MORNING THROUGH THE
 AFTERNOON INTO THE EARLY EVENING HOURS. HOWEVER...NO SEVERE WEATHER
 IS EXPECTED.

 MORE DETAILED INFORMATION CAN BE ACCESSED AT...
 HTTP://WWW.WEATHER.GOV/EAX/HWO

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

 SEVERE STORMS ARE POSSIBLE AREA-WIDE LATE SATURDAY AFTERNOON
THROUGH SATURDAY
 NIGHT. THE MAIN THREATS WILL BE DAMAGING WINDS AND LARGE HAIL.

 MORE DETAILED INFORMATION CAN BE ACCESSED AT...
 HTTP://WWW.WEATHER.GOV/EAX/HWO

In the hours before

Special weather statement, May 15, 12:42 PM CDT, 2 hours 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1242 PM CDT FRI MAY 15 2015

KSZ103>105-MOZ020-021-028>030-037-038-043-151830-
BUCHANAN MO-CASS MO-CLAY MO-CLINTON MO-JACKSON MO-JOHNSON
KS-LAFAYETTE MO-LEAVENWORTH KS-PLATTE MO-RAY MO-WYANDOTTE KS-
1242 PM CDT FRI MAY 15 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN JOHNSON COUNTY IN
EAST CENTRAL KANSAS...AND WYANDOTTE AND LEAVENWORTH COUNTIES IN
NORTHEAST KANSAS...AND SOUTHWESTERN CLINTON AND SOUTHEASTERN BUCHANAN
COUNTIES IN NORTHWEST MISSOURI...AND SOUTHWESTERN RAY...PLATTE...
NORTHWESTERN LAFAYETTE...JACKSON...CLAY AND NORTHWESTERN CASS
COUNTIES IN WEST CENTRAL MISSOURI UNTIL 130 PM CDT...

AT 1238 PM CDT...STORM SPOTTERS REPORTED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM PLATTE CITY TO LAKE TAPAWINGO...AND MOVING
NORTHEAST AT 25 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...
  GLADSTONE...SUGAR CREEK...INDEPENDENCE...BLUE SPRINGS...CLAYCOMO...
  COURTNEY...GRAIN VALLEY...LIBERTY...SMITHVILLE...BUCKNER...
  KEARNEY...GOWER...EXCELSIOR SPRINGS...PLATTSBURG...FERRELVIEW...
  LAKE TAPAWINGO...PLEASANT VALLEY...CAMDEN POINT...GLENAIRE AND
  EDGERTON.

THIS WILL IMPACT THE FOLLOWING INTERSTATES...

  I-70 IN MISSOURI BETWEEN MILE MARKERS 0 AND 27.
  I-70 IN KANSAS BETWEEN MILE MARKERS 410 AND 423.
  I-35 IN MISSOURI BETWEEN MILE MARKERS 0 AND 35.
  I-35 IN KANSAS BETWEEN MILE MARKERS 215 AND 235.
  I-635 BETWEEN MILE MARKERS 0 AND 12.
  I-435 LOOP FROM MILE MARKERS 0 TO 83.
  I-29 BETWEEN MILE MARKERS 0 AND 28.
  I-470 BETWEEN MILE MARKERS 0 AND 16.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3916 9519 3969 9456 3919 9391 3870 9458
      3872 9461 3874 9461 3874 9464 3906 9520
TIME...MOT...LOC 1741Z 225DEG 23KT 3935 9473 3901 9435

LEIGHTON

Special weather statement, May 15, 1:19 PM CDT, 1 hour 42 minutes before

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Special weather statement, May 15, 2:29 PM CDT, 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
229 PM CDT FRI MAY 15 2015

MOZ005-006-014-015-152030-
DAVIESS MO-GRUNDY MO-HARRISON MO-MERCER MO-
229 PM CDT FRI MAY 15 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MERCER...EASTERN
HARRISON...NORTHWESTERN GRUNDY AND DAVIESS COUNTIES UNTIL 330 PM
CDT...

AT 227 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES EAST OF
MAYSVILLE TO HAMILTON...AND MOVING NORTHEAST AT 40 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN.

LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...
  GALLATIN...BETHANY...TRENTON...PATTONSBURG...JAMESPORT...GILMAN
  CITY...RIDGEWAY...SPICKARD...CAINSVILLE...PRINCETON...ALTAMONT...
  JAMESON...COFFEY...BRIMSON...TINDALL...MOUNT MORIAH...MODENA AND
  MILL GROVE.

THIS WILL IMPACT

 I-35 BETWEEN MILE MARKERS 61 AND 98.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

LAT...LON 4046 9353 4021 9338 3996 9367 3996 9376
      3989 9376 3978 9388 3979 9408 3986 9421
      4003 9420 4004 9422 4005 9422 4049 9392
TIME...MOT...LOC 1929Z 208DEG 33KT 3993 9420 3977 9391

LAFLIN

Special weather statement, May 15, 3:01 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
301 PM CDT FRI MAY 15 2015

MOZ024-032-152030-
CHARITON MO-LINN MO-
301 PM CDT FRI MAY 15 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN LINN AND NORTHWESTERN
CHARITON COUNTIES IN NORTH CENTRAL MISSOURI UNTIL 330 PM CDT...

AT 259 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES EAST OF HALE...OR 14 MILES SOUTHWEST OF
BROOKFIELD...MOVING NORTHEAST AT 25 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  BROOKFIELD...LACLEDE...SUMNER AND ROTHVILLE.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

LAT...LON 3955 9325 3957 9327 3962 9328 3962 9326
      3963 9326 3965 9329 3965 9328 3969 9328
      3970 9327 3971 9328 3987 9319 3973 9292
TIME...MOT...LOC 2001Z 211DEG 22KT 3964 9324

LAFLIN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 12:42 PM CDT	Special Weather Statement	EAX	Clay, Jackson, Platte	48 min
May 15, 1:19 PM CDT	Special Weather Statement	EAX	Buchanan, Clay, Clinton, Platte, Ray	41 min
May 15, 2:04 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Ray	26 min
May 15, 2:29 PM CDT	Special Weather Statement	EAX	Daviess, Grundy, Harrison, Mercer	61 min
May 15, 3:29 PM CDT	Special Weather Statement	EAX	Livingston	31 min
May 15, 4:18 PM CDT	Special Weather Statement	EAX	Lafayette	27 min
May 15, 5:23 PM CDT	Special Weather Statement	EAX	Saline	37 min
May 15, 5:29 PM CDT	Severe Thunderstorm Warning	EAX	Saline	31 min
May 15, 5:52 PM CDT	Severe Thunderstorm Warning	EAX	Howard, Saline	38 min
May 15, 6:08 PM CDT	Tornado Warning	EAX	Howard, Saline	22 min
May 15, 6:24 PM CDT	Severe Thunderstorm Warning	EAX	Howard, Saline	51 min
May 15, 6:27 PM CDT	Tornado Warning	EAX	Howard	33 min

Nearby

Special Weather Statements in Missouri, 2015 Every special weather statement in 2015

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.