Alert archive / Missouri / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 151, NWS St. Louis, MO

June 21, 20144 counties in Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 21, 2014, 5:45 PM CDT for 4 counties in Missouri. It was in force for 45 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 21, 2014, 5:45 PM CDT (22:45 UTC)
Expired
Jun 21, 2014, 6:30 PM CDT
In force
45 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Lincoln County, MO, Montgomery County, MO, Pike County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 64 km from the middle of the area, began a volume at 22:46 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 21, 5:50 PM CDTTSTM WND DMG1 Ne Montgomery City, MO6 TO 8 INCH BRANCHES DOWN
Jun 21, 6:20 PM CDTTSTM WND GST 45Troy, MO

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 21, 1:33 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.8 hours before the alert went out and 230 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 2014-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 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 2014-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
47 J/kg
Mixed-layer CIN
-222 J/kg
Mixed-layer LCL
1469 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
34 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.

304 
WUUS53 KLSX 212245
SVRLSX
MOC113-139-163-219-212330-
/O.NEW.KLSX.SV.W.0151.140621T2245Z-140621T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
545 PM CDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHEASTERN PIKE COUNTY IN NORTHEAST MISSOURI...
  NORTH CENTRAL WARREN COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 630 PM CDT

* AT 541 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES WEST OF CLARKSVILLE TO BUELL...AND MOVING
  EAST-SOUTHEAST AT 15 MPH.

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

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  ELSBERRY...BELLFLOWER...JONESBURG...EOLIA...DAVIS...HAWK POINT...
  EDGEWOOD...OLNEY...WHITESIDE...TRUXTON...SILEX...CAVE AND NEW HOPE.

THIS WARNING INCLUDES CUIVRE RIVER STATE PARK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 183 TO EXIT 188.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3940 9096 3932 9103 3922 9082 3922 9072
      3920 9072 3876 9123 3902 9155 3944 9103
TIME...MOT...LOC 2245Z 280DEG 11KT 3937 9100 3902 9146

HAIL...0.75IN
WIND...60MPH

$$

TRUETT
2 follow-up statements
242 
WWUS53 KLSX 212316
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
616 PM CDT SAT JUN 21 2014

MOC163-212326-
/O.CAN.KLSX.SV.W.0151.000000T0000Z-140621T2330Z/
PIKE MO-
616 PM CDT SAT JUN 21 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PIKE COUNTY IN
NORTHEAST MISSOURI IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 3922 9072 3920 9072 3876 9123 3891 9141
      3923 9095
TIME...MOT...LOC 2316Z 338DEG 50KT 3921 9085 3885 9132

$$

MOC113-139-219-212330-
/O.CON.KLSX.SV.W.0151.000000T0000Z-140621T2330Z/
LINCOLN MO-MONTGOMERY MO-WARREN MO-
616 PM CDT SAT JUN 21 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR  
WARREN...MONTGOMERY AND LINCOLN COUNTIES UNTIL 630 PM CDT...

AT 614 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHWEST OF ELSBERRY TO JONESBURG...AND
MOVING SOUTH AT 55 MPH.

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

SOURCE...RADAR INDICATED. TREE DAMAGE WAS REPORTED WITH THIS
LINE OF STORMS IN THE MONTGOMERY CITY AREA.

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

LOCATIONS IMPACTED INCLUDE...
ELSBERRY...CAVE AND NEW HOPE.

THIS WARNING INCLUDES CUIVRE RIVER STATE PARK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 183 TO EXIT 188.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3922 9072 3920 9072 3876 9123 3891 9141
      3923 9095
TIME...MOT...LOC 2316Z 338DEG 50KT 3921 9085 3885 9132

HAIL...0.75IN
WIND...60MPH

$$

TRUETT
959 
WWUS53 KLSX 212330
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
630 PM CDT SAT JUN 21 2014

MOC113-139-219-212340-
/O.EXP.KLSX.SV.W.0151.000000T0000Z-140621T2330Z/
LINCOLN MO-MONTGOMERY MO-WARREN MO-
630 PM CDT SAT JUN 21 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL WARREN...
MONTGOMERY AND LINCOLN COUNTIES HAS EXPIRED...

THE STRONGEST STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF 
THE WARNED AREA.  HOWEVER...GUSTY WINDS AND HEAVY RAIN ARE STILL 
POSSIBLE WITH THE STORMS THAT ARE LINGERING OVER THE AREA.  

LAT...LON 3922 9072 3920 9072 3876 9123 3891 9141
      3923 9095
TIME...MOT...LOC 2330Z 338DEG 50KT 3903 9076 3867 9123

$$

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 4:12 PM CDTSevere Thunderstorm WarningLSXMonroe48 min
Jun 21, 4:33 PM CDTSevere Thunderstorm WarningLSXCallaway25 min
Jun 21, 4:49 PM CDTSevere Thunderstorm WarningLSXPike, Ralls41 min
Jun 21, 4:50 PM CDTSevere Thunderstorm WarningLSXBoone, Moniteau25 min
Jun 21, 4:55 PM CDTSevere Thunderstorm WarningLSXAudrain35 min
Jun 21, 5:07 PM CDTSevere Thunderstorm WarningLSXPike38 min
Jun 21, 5:27 PM CDTSevere Thunderstorm WarningLSXPike48 min
Jun 21, 6:04 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren41 min
Jun 21, 6:44 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren46 min
Jun 21, 6:49 PM CDTSevere Thunderstorm WarningLSXJefferson41 min
Jun 21, 6:57 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis, City of Saint Louis33 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2014Every severe thunderstorm warning in 2014

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.