Alert archive / Missouri / Tornado Warnings in 2015

Tornado Warning 19, NWS St. Louis, MO

June 13, 2015Boone County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 13, 2015, 4:58 PM CDT for Boone County, Missouri. It was in force for 32 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 13, 2015, 4:58 PM CDT (21:58 UTC)
Expired
Jun 13, 2015, 5:30 PM CDT
In force
32 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Boone County, MO

The radar

The St Louis radar (KLSX), 140 km from the middle of the area, began a volume at 21:58 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.

What was reported inside it

TimeReportWhereRemark
Jun 13, 5:04 PM CDTTSTM WND DMG1 Wnw Columbia, MOLARGE TREE LIMB BLOWN DOWN...WHICH KNOCKED DOWN A POWER LINE ONTO AN UNOCCUPIED VEHICLE IN THE DRIVEWAY.
Jun 13, 5:04 PM CDTTSTM WND DMGColumbia, MOPOWER LINES DOWN ON WEST BLVD AT WORLEY.
Jun 13, 5:10 PM CDTTSTM WND DMGColumbia, MOPOWER LINES DOWN ON WEST BLVD AT WORLEY.
Jun 13, 5:24 PM CDTTSTM WND DMG6 Nw Millersburg, MOLARGE TREE SNAPPED OFF...SEVERAL LARGE LIMBS BLOWN DOWN ALONG I-70 ABOUT HALF A MILE EAST OF EXIT 133...VIA TWITTER.
Jun 13, 5:27 PM CDTTSTM WND DMG5 S Murry, MOLARGE TREE BLOWN DOWN BLOCKING GRAVEL ROAD NEXT TO LAKE LAVISTA...VIA TWITTER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.0 hours before the alert went out and 259 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, Springfield, MO at 12:00Z on 2015-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 890 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 12:00Z on 2015-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.193958Sfc1 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
890 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

727 
WFUS53 KLSX 132158
TORLSX
MOC019-132230-
/O.NEW.KLSX.TO.W.0019.150613T2158Z-150613T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
458 PM CDT SAT JUN 13 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN BOONE COUNTY IN CENTRAL MISSOURI...

* UNTIL 530 PM CDT

* AT 455 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES NORTH OF EASLEY...AND MOVING NORTHEAST
  AT 25 MPH.

  HAZARD...TORNADO.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THIS DANGEROUS STORM WILL BE NEAR...
  COLUMBIA AROUND 510 PM CDT.
  MURRY AROUND 530 PM CDT.

THIS WARNING INCLUDES JEWELL CEMETERY HISTORIC SITE AND ROCK BRIDGE
STATE PARK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 124 TO EXIT 133.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3913 9213 3898 9214 3890 9217 3888 9215
      3887 9216 3887 9215 3883 9215 3876 9239
      3878 9240 3881 9238 3883 9244 3888 9249
      3890 9248 3892 9249
TIME...MOT...LOC 2158Z 235DEG 21KT 3888 9238

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BRITT
2 follow-up statements
424 
WWUS53 KLSX 132208
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
508 PM CDT SAT JUN 13 2015

MOC019-132230-
/O.CON.KLSX.TO.W.0019.000000T0000Z-150613T2230Z/
BOONE MO-
508 PM CDT SAT JUN 13 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL BOONE COUNTY UNTIL
530 PM CDT...

AT 504 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR COLUMBIA...AND MOVING EAST AT 30 MPH.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  MURRY AROUND 520 PM CDT.

THIS WARNING INCLUDES JEWELL CEMETERY HISTORIC SITE AND ROCK BRIDGE
STATE PARK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 124 TO EXIT 133.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3898 9240 3913 9213 3898 9214 3890 9217
      3888 9215 3887 9216 3887 9215 3883 9215
      3878 9230 3886 9239 3891 9240
TIME...MOT...LOC 2207Z 249DEG 28KT 3892 9228

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BRITT
103 
WWUS53 KLSX 132218
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
518 PM CDT SAT JUN 13 2015

MOC019-132230-
/O.CON.KLSX.TO.W.0019.000000T0000Z-150613T2230Z/
BOONE MO-
518 PM CDT SAT JUN 13 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL BOONE COUNTY UNTIL
530 PM CDT...

AT 515 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES EAST OF COLUMBIA...AND MOVING NORTHEAST AT 25
MPH.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  MURRY AROUND 525 PM CDT.

THIS WARNING INCLUDES JEWELL CEMETERY HISTORIC SITE.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 126 TO EXIT 133.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3913 9213 3898 9214 3898 9215 3890 9217
      3888 9215 3887 9216 3885 9228 3892 9234
      3901 9235
TIME...MOT...LOC 2218Z 240DEG 21KT 3898 9221

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BRITT

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 11:05 AM CDTRiver Flood WarningLSXBoone, Callaway, Cole, Moniteau7 days
Jun 13, 11:05 AM CDTRiver Flood WarningLSXFranklin, Warren23 days
Jun 13, 5:29 PM CDTTornado WarningLSXAudrain, Boone, Callaway31 min

Nearby

Tornado Warnings in Missouri, 2015Every tornado warning in 2015Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.