Alert archive / Missouri / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 310, NWS St. Louis, MO

June 22, 2008Franklin County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 22, 2008, 3:55 PM CDT for Franklin County, Missouri. It was in force for 65 min. 10 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 22, 2008, 3:55 PM CDT (20:55 UTC)
Expired: Jun 22, 2008, 5:00 PM CDT
In force: 65 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon

County Franklin County, MO

The radar

The St Louis radar (KLSX), 37 km from the middle of the area, began a volume at 20:56 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

Time	Report	Where	Remark
Jun 22, 4:05 PM CDT	HAIL 0.88	New Haven, MO	HAIL COVERED THE GROUND TO A DEPTH OF ONE AND A HALF INCHES.
Jun 22, 4:07 PM CDT	TSTM WND GST 60	3 Wsw New Haven, MO	HEAVY WINDS ACCOMPANYING HAIL AT ORCHARD FARM.
Jun 22, 4:07 PM CDT	HAIL 0.75	3 Wsw New Haven, MO	HALF INCH OF ACCUMULATION ON GROUND AT ORCHARD FARM.
Jun 22, 4:20 PM CDT	HAIL 0.75	4 S New Haven, MO	SPORATIC HAIL FALLING AT KLOPPE DAIRY FARM.
Jun 22, 4:35 PM CDT	HAIL 1.75	5 Wsw Union, MO	REPORTED JUST SOUTH OF US HIGHWAY 50
Jun 22, 4:46 PM CDT	HAIL 0.75	St. Clair, MO
Jun 22, 4:48 PM CDT	HAIL 1	St. Clair, MO
Jun 22, 4:50 PM CDT	HAIL 1.75	3 W St. Clair, MO
Jun 22, 4:53 PM CDT	HAIL 1	1 N St. Clair, MO
Jun 22, 4:55 PM CDT	HAIL 1.75	St. Clair, MO

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 277 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 85 J/kg
Mixed-layer CIN: -147 J/kg
Mixed-layer LCL: 1936 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 70 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.

000 
WUUS53 KLSX 222054
SVRLSX
MOC071-222200-
/O.NEW.KLSX.SV.W.0310.080622T2055Z-080622T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
355 PM CDT SUN JUN 22 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FRANKLIN COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 500 PM CDT

* AT 351 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
  STORM WAS LOCATED 5 MILES NORTHWEST OF NEW HAVEN...AND MOVING
  SOUTHEAST AT 28 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW HAVEN...
  WASHINGTON...
  BEAUFORT...
  UNION...
  ST. CLAIR...
  VILLA RIDGE...
  PARKWAY...
  LONEDELL...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 3870 9133 3869 9129 3861 9120 3860 9112
      3861 9106 3856 9101 3854 9095 3854 9089
      3856 9087 3850 9074 3838 9074 3821 9078
      3821 9094 3855 9137 3870 9137
TIME...MOT...LOC 2055Z 314DEG 25KT 3862 9128

$$

CVKING

3 follow-up statements

000 
WWUS53 KLSX 222116
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
415 PM CDT SUN JUN 22 2008

MOC071-222200-
/O.CON.KLSX.SV.W.0310.000000T0000Z-080622T2200Z/
FRANKLIN MO-
415 PM CDT SUN JUN 22 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR FRANKLIN COUNTY...

AT 410 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR LYON...MOVING SOUTHEAST AT 29 MPH.

AT 407 PM CDT...THE PUBLIC REPORTED PENNY SIZE HAIL AND 60 MPH WIND 
GUSTS 3 WSW OF NEW HAVEN. THE HAIL COVERED THE GROUND. THIS STORM IS 
LIKELY PRODUCING LARGER HAIL...UP TO THE SIZE OF QUARTERS AT THIS 
TIME. 

TAKE SHELTER NOW

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...LYON...
UNION...ST. CLAIR...PARKWAY...MOSELLE...PINEY PARK AND LONEDELL.

LAT...LON 3821 9094 3852 9134 3861 9122 3848 9074
      3838 9074 3838 9075 3836 9074 3833 9076
      3832 9075 3821 9078
TIME...MOT...LOC 2115Z 314DEG 25KT 3854 9118

$$

CVKING

000 
WWUS53 KLSX 222140
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
439 PM CDT SUN JUN 22 2008

MOC071-222200-
/O.CON.KLSX.SV.W.0310.000000T0000Z-080622T2200Z/
FRANKLIN MO-
439 PM CDT SUN JUN 22 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR FRANKLIN COUNTY...

AT 435 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING 
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR 
UNION...MOVING SOUTHEAST AT 29 MPH.

TRAINED SPOTTERS ALONG US HIGHWAY 50 BETWEEN UNION AND BEAUFORT 
REPORTED HAIL UP TO THE SIZE OF GOLFBALLS.  

TAKE SHELTER NOW

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
PARKWAY...ST. CLAIR...MOSELLE...PINEY PARK AND LONEDELL.

LAT...LON 3821 9094 3852 9134 3861 9122 3848 9074
      3838 9074 3838 9075 3836 9074 3833 9076
      3832 9075 3821 9078
TIME...MOT...LOC 2139Z 320DEG 25KT 3840 9105

$$

CVKING

000 
WWUS53 KLSX 222149
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
449 PM CDT SUN JUN 22 2008

MOC071-222200-
/O.CON.KLSX.SV.W.0310.000000T0000Z-080622T2200Z/
FRANKLIN MO-
449 PM CDT SUN JUN 22 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTHEASTERN FRANKLIN COUNTY...

AT 445 PM CDT...A SEVERE THUNDERSTORM PRODUCING GOLF BALL SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH WAS LOCATED NEAR 
ST. CLAIR...MOVING SOUTHEAST AT 29 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...PINEY
PARK AND LONEDELL.

LAT...LON 3836 9114 3845 9100 3844 9074 3838 9075
      3834 9075 3834 9076 3831 9076 3830 9076
      3821 9078 3821 9094
TIME...MOT...LOC 2149Z 320DEG 25KT 3835 9099

$$

CVKING

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 7:00 PM CDT	Severe Thunderstorm Warning	LSX	Iron, Reynolds	33 min
Jun 22, 4:58 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Francois, Washington	77 min
Jun 22, 5:00 PM CDT	Severe Thunderstorm Warning	LSX	Franklin	22 min
Jun 22, 5:27 PM CDT	Severe Thunderstorm Warning	LSX	Marion	33 min
Jun 22, 5:46 PM CDT	Severe Thunderstorm Warning	LSX	Ralls	38 min
Jun 22, 5:55 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois	52 min
Jun 22, 6:10 PM CDT	Severe Thunderstorm Warning	LSX	Pike	38 min
Jun 22, 6:24 PM CDT	Severe Thunderstorm Warning	LSX	Madison	66 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2008 Every severe thunderstorm warning in 2008

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.