Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 124, NWS St. Louis, MO

June 25, 2016Saint Charles County, Saint Louis County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 25, 2016, 3:56 PM CDT for Saint Charles County, Saint Louis County, Missouri. It was in force for 34 min. 2 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 25, 2016, 3:56 PM CDT (20:56 UTC)
Expired
Jun 25, 2016, 4:30 PM CDT
In force
34 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Saint Charles County, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 25 km from the middle of the area, began a volume at 20:57 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 25, 4:15 PM CDTTSTM WND DMGCreve Coeur, MOTHREE 75 FOOT TALL OR GREATER TREES UPROOTED IN THE 300 BLOCK OF LADUE OAKS DRIVE. MULTIPLE POWER LINES DOWNED.
Jun 25, 4:15 PM CDTTSTM WND DMGCreve Coeur, MOTHREE 75 FOOT TALL OR GREATER TREES UPROOTED IN THE 300 BLOCK OF LADUE OAKS DRIVE...WINDS ESTIMATED AROUND 70 MPH. MULTIPLE POWER LINES DOWNED.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.9 hours before the alert went out and 224 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, Lincoln, IL at 12:00Z on 2016-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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, Lincoln, IL at 12:00Z on 2016-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
11 J/kg
Mixed-layer CIN
-340 J/kg
Mixed-layer LCL
1381 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

804 
WUUS53 KLSX 252056
SVRLSX
MOC183-189-252130-
/O.NEW.KLSX.SV.W.0124.160625T2056Z-160625T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
356 PM CDT SAT JUN 25 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
  NORTHEASTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 430 PM CDT

* AT 356 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WESTWOOD...
  MOVING NORTH AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  ST. CHARLES...FLORISSANT...CHESTERFIELD...UNIVERSITY CITY...
  KIRKWOOD...MARYLAND HEIGHTS...HAZELWOOD...WEBSTER GROVES...
  FERGUSON...MANCHESTER...CREVE COEUR...OVERLAND...CLAYTON...
  JENNINGS...ST. ANN...CRESTWOOD...BRIDGETON...TOWN AND COUNTRY...
  BERKELEY AND RICHMOND HEIGHTS.

THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 227 AND 231.
 
THIS ALSO INCLUDES  FIRST MISSOURI STATE CAPITOL HISTORIC SITE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3856 9036 3858 9050 3887 9056 3888 9019
TIME...MOT...LOC 2056Z 182DEG 15KT 3865 9045 

HAIL...0.88IN
WIND...60MPH
 
$$

TES
2 follow-up statements
776 
WWUS53 KLSX 252124
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
424 PM CDT SAT JUN 25 2016

MOC183-189-252130-
/O.CON.KLSX.SV.W.0124.000000T0000Z-160625T2130Z/
ST. LOUIS MO-ST. CHARLES MO-
424 PM CDT SAT JUN 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR NORTHEASTERN ST. LOUIS AND NORTHEASTERN ST. CHARLES COUNTIES...

AT 423 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BRIDGETON...
MOVING NORTH AT 15 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
ST. CHARLES...FLORISSANT...CHESTERFIELD...UNIVERSITY CITY...
KIRKWOOD...MARYLAND HEIGHTS...HAZELWOOD...WEBSTER GROVES...
FERGUSON...MANCHESTER...CREVE COEUR...OVERLAND...CLAYTON...
JENNINGS...ST. ANN...CRESTWOOD...BRIDGETON...TOWN AND COUNTRY...
BERKELEY AND RICHMOND HEIGHTS.

THIS ALSO INCLUDES  FIRST MISSOURI STATE CAPITOL HISTORIC SITE.
 
THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 227 AND 231.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3856 9036 3858 9050 3887 9056 3888 9019
TIME...MOT...LOC 2123Z 182DEG 15KT 3877 9044 

HAIL...0.88IN
WIND...60MPH
 
$$

TILLY
079 
WWUS53 KLSX 252130
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
430 PM CDT SAT JUN 25 2016

MOC183-189-252140-
/O.EXP.KLSX.SV.W.0124.000000T0000Z-160625T2130Z/
ST. LOUIS MO-ST. CHARLES MO-
430 PM CDT SAT JUN 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ST. LOUIS AND
NORTHEASTERN ST. CHARLES COUNTIES HAS EXPIRED...
                
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 ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3856 9036 3858 9050 3887 9056 3888 9019
TIME...MOT...LOC 2128Z 182DEG 15KT 3877 9044 

$$

TILLY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:14 AM CDTSpecial Weather StatementLSXAudrain46 min
Jun 25, 7:42 AM CDTAreal Flood AdvisoryLSXAudrain3 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.