Alert archive / Missouri / Tornado Warnings in 2015

Tornado Warning 41, NWS St. Louis, MO

July 8, 2015Franklin County, Missouri

NWS St. Louis, MO issued this tornado warning at Jul 8, 2015, 7:38 PM CDT for Franklin County, Missouri. It was in force for 37 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
Jul 8, 2015, 7:38 PM CDT (00:38 UTC)
Expired
Jul 8, 2015, 8:15 PM CDT
In force
37 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Franklin County, MO

The radar

The St Louis radar (KLSX), 62 km from the middle of the area, began a volume at 00:40 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, 0.6 hours before the alert went out and 279 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 00:00Z on 2015-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 267 joules per kilogram.LCLEL10008507005003002001001 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, Springfield, MO at 00:00Z on 2015-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
267 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
95 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.

558 
WFUS53 KLSX 090038
TORLSX
MOC071-090115-
/O.NEW.KLSX.TO.W.0041.150709T0038Z-150709T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
738 PM CDT WED JUL 8 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS  HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 815 PM CDT
    
* AT 738 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR BOURBON...MOVING NORTHEAST AT 45 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...
  SULLIVAN AROUND 750 PM CDT.
  MIRAMIGUOA PARK AROUND 755 PM CDT.
  ST. CLAIR AND PARKWAY AROUND 805 PM CDT.
  UNION AROUND 810 PM CDT.
  LONEDELL AROUND 815 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
MOSELLE...NOSER MILL...STANTON...JAPAN AND PINEY PARK.

THIS WARNING ALSO INCLUDES MERAMEC STATE PARK.
 
THIS INCLUDES INTERSTATE 44 IN MISSOURI BETWEEN EXITS 225 AND 247.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3831 9136 3852 9096 3828 9079 3820 9104
      3820 9127 3821 9137
TIME...MOT...LOC 0038Z 241DEG 37KT 3822 9131 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

CARNEY
2 follow-up statements
544 
WWUS53 KLSX 090050
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
750 PM CDT WED JUL 8 2015

MOC071-090115-
/O.CON.KLSX.TO.W.0041.000000T0000Z-150709T0115Z/
FRANKLIN MO-
750 PM CDT WED JUL 8 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR SOUTHERN
FRANKLIN COUNTY...
    
AT 750 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SULLIVAN...MOVING NORTHEAST AT 45 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...
  MIRAMIGUOA PARK AROUND 755 PM CDT.
  ST. CLAIR AND PARKWAY AROUND 805 PM CDT.
  UNION AROUND 810 PM CDT.
  LONEDELL AROUND 815 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
MOSELLE...NOSER MILL...STANTON...JAPAN AND PINEY PARK.

THIS WARNING ALSO INCLUDES MERAMEC STATE PARK.
 
THIS INCLUDES INTERSTATE 44 IN MISSOURI BETWEEN EXITS 225 AND 247.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3831 9136 3852 9096 3828 9079 3820 9104
      3820 9127 3821 9137
TIME...MOT...LOC 0050Z 241DEG 37KT 3828 9117 

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

$$

CARNEY
387 
WWUS53 KLSX 090113
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
813 PM CDT WED JUL 8 2015

MOC071-090123-
/O.EXP.KLSX.TO.W.0041.000000T0000Z-150709T0115Z/
FRANKLIN MO-
813 PM CDT WED JUL 8 2015

...THE TORNADO WARNING FOR SOUTHERN FRANKLIN COUNTY WILL EXPIRE AT
815 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR EAST CENTRAL
MISSOURI.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
ST LOUIS .

LAT...LON 3831 9136 3852 9096 3828 9079 3820 9104
      3820 9127 3821 9137
TIME...MOT...LOC 0111Z 241DEG 37KT 3828 9117 

$$

CARNEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 7:02 PM CDTTornado WarningLSXJefferson, Sainte Genevieve28 min
Jul 8, 7:36 PM CDTRiver Flood WarningLSXCole43 hr
Jul 8, 7:49 PM CDTTornado WarningLSXCrawford26 min
Jul 8, 8:11 PM CDTRiver Flood WarningLSXMarion46 hr
Jul 8, 8:11 PM CDTRiver Flood WarningLSXMonroe58 hr
Jul 8, 8:27 PM CDTAreal Flood AdvisoryLSXSaint Charles3 hr
Jul 8, 10:01 PM CDTRiver Flood WarningLSXBoone, Callaway, Cole, Moniteau3 days
Jul 8, 10:50 PM CDTRiver Flood WarningLSXMarion27 hr
Jul 9, 3:35 AM CDTFlash Flood WatchLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 18 more27 hr
Jul 9, 8:19 AM CDTRiver Flood WarningLSXRalls41 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.