Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 180, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 16, 2012, 9:08 PM CDT for Franklin County, Gasconade County, Missouri. It was in force for 44 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
- Jun 16, 2012, 9:08 PM CDT (02:08 UTC)
- Expired
- Jun 16, 2012, 9:52 PM CDT
- In force
- 44 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Franklin County, MO, Gasconade County, MO
The radar
The St Louis radar (KLSX), 65 km from the middle of the area, began a volume at 02:09 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 16, 8:23 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 278 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.
- Mixed-layer CAPE
- 809 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1865 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
033
WUUS53 KLSX 170208
SVRLSX
MOC071-073-170300-
/O.NEW.KLSX.SV.W.0180.120617T0208Z-120617T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
908 PM CDT SAT JUN 16 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
GASCONADE COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 1000 PM CDT
* AT 905 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 5 MILES EAST OF CHAMOIS TO 5 MILES WEST OF
MOUNT STERLING TO FREEBURG...AND MOVING EAST AT 30 MPH.
HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
* LOCATIONS IMPACTED INCLUDE...
HERMANN...OWENSVILLE...NEW HAVEN...MOUNT STERLING...DRAKE...
BLAND...ROSEBUD...GERALD...BEAUFORT...MORRISON...GASCONADE...BAY...
SWISS...CANAAN...BERGER...LESLIE...LYON AND NOSER MILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3870 9164 3867 9156 3871 9150 3870 9137
3870 9131 3865 9123 3862 9122 3860 9114
3861 9109 3839 9113 3821 9143 3821 9153
3815 9154 3816 9165
TIME...MOT...LOC 0208Z 278DEG 27KT 3865 9165 3845 9169
3830 9193
HAIL...0.88IN
WIND...60 MPH
$$
BRITT3 follow-up statements
086
WWUS53 KLSX 170225
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
925 PM CDT SAT JUN 16 2012
MOC071-073-170300-
/O.CON.KLSX.SV.W.0180.000000T0000Z-120617T0300Z/
FRANKLIN MO-GASCONADE MO-
925 PM CDT SAT JUN 16 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GASCONADE AND
NORTHWESTERN FRANKLIN COUNTIES UNTIL 1000 PM CDT...
AT 922 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 7 MILES SOUTH OF HERMANN TO DRAKE TO BLAND...AND
MOVING EAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
OWENSVILLE...NEW HAVEN...BLAND...ROSEBUD...GERALD...BEAUFORT...
BERGER...CANAAN...LESLIE...LYON AND NOSER MILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3870 9164 3867 9156 3871 9150 3870 9137
3870 9131 3865 9123 3862 9122 3860 9114
3861 9109 3839 9113 3821 9143 3821 9153
3815 9154 3816 9165
TIME...MOT...LOC 0225Z 284DEG 35KT 3859 9142 3843 9146
3834 9163
HAIL...0.75IN
WIND...60 MPH
$$
BRITT693
WWUS53 KLSX 170241
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
941 PM CDT SAT JUN 16 2012
MOC071-073-170300-
/O.CON.KLSX.SV.W.0180.000000T0000Z-120617T0300Z/
FRANKLIN MO-GASCONADE MO-
941 PM CDT SAT JUN 16 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GASCONADE AND
NORTHWESTERN FRANKLIN COUNTIES UNTIL 1000 PM CDT...
AT 939 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM NEW HAVEN TO BEAUFORT TO BLAND...AND MOVING EAST
AT 45 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
BROKEN.
LOCATIONS IMPACTED INCLUDE...
BEAUFORT...LYON AND NOSER MILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3837 9165 3870 9137 3870 9131 3865 9123
3863 9123 3862 9122 3860 9114 3860 9109
3839 9113 3821 9143 3821 9153 3815 9154
3816 9165
TIME...MOT...LOC 0241Z 281DEG 40KT 3855 9118 3839 9122
3825 9156
HAIL...<.75IN
WIND...60 MPH
$$
BRITT443
WWUS53 KLSX 170252
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
952 PM CDT SAT JUN 16 2012
MOC071-073-170300-
/O.CAN.KLSX.SV.W.0180.000000T0000Z-120617T0300Z/
FRANKLIN MO-GASCONADE MO-
952 PM CDT SAT JUN 16 2012
...THE SEVERE THUNDERSTORM WARNING FOR GASCONADE AND NORTHWESTERN
FRANKLIN COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY.
A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR FRANKLIN UNTIL
1030 PM. STRONG STORMS MAY PRODUCE WIND GUSTS TO 50 MPH. ALSO...A
SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.
LAT...LON 3837 9165 3870 9137 3870 9131 3865 9123
3863 9123 3862 9122 3860 9114 3860 9109
3839 9113 3821 9143 3821 9153 3815 9154
3816 9165
TIME...MOT...LOC 0250Z 281DEG 40KT 3853 9105 3837 9109
3823 9143
$$
BRITTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 7:32 PM CDT | Areal Flood Advisory | LSX | Audrain, Boone | 4 hr |
| Jun 16, 7:51 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Lincoln, Montgomery, Pike, Warren | 39 min |
| Jun 16, 8:28 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Lincoln, Montgomery, Pike, Saint Charles, Warren | 47 min |
| Jun 16, 8:39 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Cole, Osage | 51 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2012Every severe thunderstorm warning in 2012
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.