Alert archive / Missouri / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 308, NWS St. Louis, MO

June 13, 20114 counties in Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 13, 2011, 8:27 AM CDT for 4 counties in Missouri. It was in force for 48 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 13, 2011, 8:27 AM CDT (13:27 UTC)
Expired: Jun 13, 2011, 9:15 AM CDT
In force: 48 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Crawford County, MO, Iron County, MO, Reynolds County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 13:29 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 13, 8:34 AM CDT	HAIL 0.7	4 W Cherryville, MO	0.88 INCHES OF RAIN IN 45 MINUTES
Jun 13, 9:15 AM CDT	HAIL 0.5	4 Wsw Bixby, 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.

Issued	Product	Office	Lasted
Jun 13, 5:16 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 1.5 hours before the alert went out and 247 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: 2484 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 967 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 305 m²/s²
0-3 km storm-relative helicity: 284 m²/s²
Significant tornado parameter: 3.3
Supercell composite: 21.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

671 
WUUS53 KLSX 131327
SVRLSX
MOC055-093-179-221-131415-
/O.NEW.KLSX.SV.W.0308.110613T1327Z-110613T1415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
827 AM CDT MON JUN 13 2011

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
  IRON COUNTY IN SOUTHEAST MISSOURI...
  NORTH CENTRAL REYNOLDS COUNTY IN SOUTHEAST MISSOURI...
  SOUTHERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 915 AM CDT

* AT 824 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR STEELVILLE...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ANTHONIES MILL...POTOSI...CHERRYVILLE...VIBURNUM...COURTOIS...
  BIXBY...OATES...MINERAL POINT...DAVISVILLE...DILLARD...LATTY...
  SHIRLEY AND BELGRADE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...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 3759 9118 3759 9116 3769 9116 3770 9131
      3778 9131 3778 9145 3785 9154 3787 9153
      3811 9108 3794 9069 3751 9108
TIME...MOT...LOC 1327Z 302DEG 25KT 3795 9129
WIND...HAIL <50MPH 1.00IN

$$

GLASS

3 follow-up statements

266 
WWUS53 KLSX 131348
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
848 AM CDT MON JUN 13 2011

MOC055-093-179-221-131415-
/O.CON.KLSX.SV.W.0308.000000T0000Z-110613T1415Z/
CRAWFORD MO-IRON MO-REYNOLDS MO-WASHINGTON MO-
848 AM CDT MON JUN 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
WASHINGTON...NORTH CENTRAL REYNOLDS...IRON AND SOUTHERN CRAWFORD
COUNTIES UNTIL 915 AM CDT...

AT 847 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 6 MILES SOUTH OF CHERRYVILLE...OR 15 MILES SOUTH OF
STEELVILLE...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  POTOSI...VIBURNUM...COURTOIS...BIXBY...OATES...MINERAL POINT...
  DAVISVILLE...DILLARD...LATTY...SHIRLEY AND BELGRADE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...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 3759 9118 3759 9116 3769 9116 3770 9131
      3778 9131 3778 9145 3785 9154 3787 9153
      3811 9108 3794 9069 3751 9108
TIME...MOT...LOC 1349Z 302DEG 25KT 3776 9125
WIND...HAIL <50MPH 1.00IN

$$

GLASS

104 
WWUS53 KLSX 131407
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
907 AM CDT MON JUN 13 2011

MOC221-131417-
/O.CAN.KLSX.SV.W.0308.000000T0000Z-110613T1415Z/
WASHINGTON MO-
907 AM CDT MON JUN 13 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WASHINGTON COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3793 9140 3774 9110 3773 9088 3751 9108
      3759 9118 3759 9116 3769 9116 3770 9131
      3778 9131 3778 9145 3785 9154 3787 9153
TIME...MOT...LOC 1407Z 316DEG 32KT 3762 9114

$$

MOC055-093-179-131415-
/O.CON.KLSX.SV.W.0308.000000T0000Z-110613T1415Z/
CRAWFORD MO-IRON MO-REYNOLDS MO-
907 AM CDT MON JUN 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
REYNOLDS...IRON AND SOUTHERN CRAWFORD COUNTIES UNTIL 915 AM CDT...

AT 905 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR BIXBY...OR 21 MILES EAST OF SALEM...MOVING
SOUTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  OATES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...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 3793 9140 3774 9110 3773 9088 3751 9108
      3759 9118 3759 9116 3769 9116 3770 9131
      3778 9131 3778 9145 3785 9154 3787 9153
TIME...MOT...LOC 1407Z 316DEG 32KT 3762 9114
WIND...HAIL <50MPH 1.00IN

$$

GLASS

232 
WWUS53 KLSX 131414
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
914 AM CDT MON JUN 13 2011

MOC055-093-179-131424-
/O.EXP.KLSX.SV.W.0308.000000T0000Z-110613T1415Z/
CRAWFORD MO-IRON MO-REYNOLDS MO-
914 AM CDT MON JUN 13 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL REYNOLDS...IRON
AND SOUTHERN CRAWFORD COUNTIES WILL EXPIRE AT 915 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.  HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 PM.

LAT...LON 3793 9140 3774 9110 3773 9088 3751 9108
      3759 9118 3759 9116 3769 9116 3770 9131
      3778 9131 3778 9145 3785 9154 3787 9153
TIME...MOT...LOC 1414Z 316DEG 32KT 3757 9109

$$

GLASS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 5:49 AM CDT	Severe Thunderstorm Warning	LSX	Callaway, Cole, Osage	26 min
Jun 13, 5:55 AM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Callaway	50 min
Jun 13, 6:13 AM CDT	Severe Thunderstorm Warning	LSX	Callaway, Cole, Gasconade, Osage	47 min
Jun 13, 6:42 AM CDT	Severe Thunderstorm Warning	LSX	Audrain, Callaway	48 min
Jun 13, 6:57 AM CDT	Areal Flood Advisory	LSX	Gasconade, Osage	3 hr
Jun 13, 7:11 AM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway	49 min
Jun 13, 7:14 AM CDT	Severe Thunderstorm Warning	LSX	Crawford, Gasconade	46 min
Jun 13, 7:33 AM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Francois, Washington	42 min
Jun 13, 7:55 AM CDT	Severe Thunderstorm Warning	LSX	Crawford	50 min
Jun 13, 8:07 AM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Sainte Genevieve, Saint Francois	53 min
Jun 13, 8:33 AM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles, Saint Louis, Warren	42 min
Jun 13, 8:51 AM CDT	Areal Flood Advisory	LSX	Crawford	6 hr
Jun 13, 8:55 AM CDT	Severe Thunderstorm Warning	LSX	Boone, Cole, Moniteau	50 min
Jun 13, 9:19 AM CDT	Severe Thunderstorm Warning	LSX	Reynolds	41 min
Jun 13, 9:44 AM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway, Cole, Moniteau, Osage	30 min
Jun 13, 2:57 PM CDT	Severe Thunderstorm Warning	LSX	Knox, Lewis, Marion	48 min
Jun 13, 3:37 PM CDT	Severe Thunderstorm Warning	LSX	Marion	38 min
Jun 13, 4:02 PM CDT	Flash Flood Watch	LSX	Audrain, Franklin, Jefferson, Knox, Lewis, Lincoln and 13 more	39 hr
Jun 13, 4:54 PM CDT	Areal Flood Advisory	LSX	Lewis	6 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2011 Every severe thunderstorm warning in 2011

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.