Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 166, NWS St. Louis, MO

October 19, 2016Gasconade County, Osage County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Oct 19, 2016, 11:10 AM CDT for Gasconade County, Osage County, Missouri. It was in force for 19 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
Oct 19, 2016, 11:10 AM CDT (16:10 UTC)
Expired
Oct 19, 2016, 11:29 AM CDT
In force
19 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Gasconade County, MO, Osage County, MO

The radar

The St Louis radar (KLSX), 81 km from the middle of the area, began a volume at 16:11 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 4.2 hours before the alert went out and 273 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 2016-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1287 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 2016-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 square meters per square second.19395878Sfc1 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
1287 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.5

Open this sounding in Storm Lab

The text

As transmitted.

740 
WUUS53 KLSX 191610
SVRLSX
MOC073-151-191700-
/O.NEW.KLSX.SV.W.0166.161019T1610Z-161019T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1110 AM CDT WED OCT 19 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN GASCONADE COUNTY IN EAST CENTRAL MISSOURI...
  EASTERN OSAGE COUNTY IN CENTRAL MISSOURI...

* UNTIL NOON CDT.

* AT 1110 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  LINN...MOVING NORTHEAST AT 25 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  HERMANN...LINN...CHAMOIS...RICH FOUNTAIN...MOUNT STERLING...
  SWISS...GASCONADE...MORRISON...LOOSE CREEK...FRANKENSTEIN...
  BAY AND BONNOTS MILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3871 9169 3870 9168 3870 9163 3869 9160
      3868 9155 3869 9151 3871 9149 3871 9145
      3858 9136 3854 9137 3836 9193 3854 9203
TIME...MOT...LOC 1610Z 242DEG 23KT 3851 9191 

HAIL...1.00IN
WIND...<50MPH
 
$$

CARNEY
1 follow-up statement
055 
WWUS53 KLSX 191629
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1129 AM CDT WED OCT 19 2016

MOC073-151-191639-
/O.CAN.KLSX.SV.W.0166.000000T0000Z-161019T1700Z/
GASCONADE MO-OSAGE MO-
1129 AM CDT WED OCT 19 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN GASCONADE AND EASTERN
OSAGE COUNTIES IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING HAS BEEN CANCELLED.  HOWEVER SMALL HAIL AND
HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3871 9169 3870 9168 3870 9163 3869 9160
      3868 9155 3869 9151 3871 9149 3871 9145
      3858 9136 3854 9137 3836 9193 3854 9203
TIME...MOT...LOC 1628Z 242DEG 23KT 3857 9177 

$$

CARNEY

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 11:06 AM CDTSpecial Weather StatementLSXOsage39 min
Oct 19, 11:41 AM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Osage49 min
Oct 19, 12:30 PM CDTSpecial Weather StatementLSXSaint Charles45 min
Oct 19, 4:32 PM CDTSevere Thunderstorm WarningLSXIron, Madison, Sainte Genevieve, Saint Francois43 min
Oct 19, 4:40 PM CDTSpecial Weather StatementLSXWashington35 min
Oct 19, 5:02 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds33 min
Oct 19, 5:49 PM CDTSevere Thunderstorm WarningLSXIron, Madison, Sainte Genevieve, Saint Francois41 min
Oct 19, 6:30 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Francois17 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2016Every severe thunderstorm warning in 2016

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.