Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 178, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 16, 2012, 8:28 PM CDT for 6 counties in Missouri; Calhoun County, Illinois. It was in force for 47 min. 3 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 16, 2012, 8:28 PM CDT (01:28 UTC)
- Expired
- Jun 16, 2012, 9:15 PM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Calhoun County, IL, Callaway County, MO, Lincoln County, MO, Montgomery County, MO, Pike County, MO, Saint Charles County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 55 km from the middle of the area, began a volume at 01:31 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 16, 8:48 PM CDT | TSTM WND GST 50 | 1 N High Hill, MO | |
| Jun 16, 8:55 PM CDT | TSTM WND GST 45 | Warrenton, MO | EST 40 TO 50 MPH GUSTS |
| Jun 16, 9:15 PM CDT | TSTM WND GST 45 | Troy, MO | 25 GUSTING TO 45 MPH... |
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 16, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 16, 8:23 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.5 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
- 1606 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1612 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
688
WUUS53 KLSX 170128
SVRLSX
ILC013-MOC027-113-139-163-183-219-170215-
/O.NEW.KLSX.SV.W.0178.120617T0128Z-120617T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
828 PM CDT SAT JUN 16 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
EAST CENTRAL CALLAWAY COUNTY IN CENTRAL MISSOURI...
LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
SOUTH CENTRAL PIKE COUNTY IN NORTHEAST MISSOURI...
WESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
WARREN COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 915 PM CDT
* AT 826 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 7 MILES WEST OF EOLIA TO NEW FLORENCE TO
CHAMOIS...AND MOVING EAST AT 45 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...
TROY...WARRENTON...ELSBERRY...WRIGHT CITY...WENTZVILLE...ST.
PAUL...LAKE ST. LOUIS...BIG SPRING...JONESBURG...HAWK POINT...
DAVIS...TRUESDALE...MOSCOW MILLS...TRELOAR...HARDIN...WINFIELD...
MARTHASVILLE...DUTZOW...NEW MELLE AND HIGH HILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST
LOUIS.
LARGE HAIL...DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY. LIGHTNING
KILLS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!
&&
LAT...LON 3870 9179 3892 9151 3923 9126 3916 9061
3888 9065 3858 9091 3863 9123 3865 9123
3871 9131 3870 9137 3871 9149 3867 9155
3870 9164
TIME...MOT...LOC 0128Z 274DEG 40KT 3921 9111 3891 9135
3870 9165
HAIL...0.75IN
WIND...60 MPH
$$
PHILLIPSON2 follow-up statements
733
WWUS53 KLSX 170155
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
855 PM CDT SAT JUN 16 2012
MOC027-163-170205-
/O.CAN.KLSX.SV.W.0178.000000T0000Z-120617T0215Z/
CALLAWAY MO-PIKE MO-
855 PM CDT SAT JUN 16 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CALLAWAY COUNTY
IN CENTRAL MISSOURI...AND SOUTH CENTRAL PIKE COUNTY IN NORTHEAST
MISSOURI IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.
LAT...LON 3921 9103 3916 9061 3888 9065 3858 9091
3863 9123 3865 9123 3871 9131 3870 9137
3871 9149 3867 9155
TIME...MOT...LOC 0155Z 274DEG 40KT 3919 9072 3889 9097
3868 9127
$$
ILC013-MOC113-139-183-219-170215-
/O.CON.KLSX.SV.W.0178.000000T0000Z-120617T0215Z/
CALHOUN IL-LINCOLN MO-MONTGOMERY MO-ST. CHARLES MO-WARREN MO-
855 PM CDT SAT JUN 16 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WARREN...
WESTERN ST. CHARLES...MONTGOMERY...LINCOLN AND CALHOUN COUNTIES UNTIL
915 PM CDT...
AT 852 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM ELSBERRY TO WRIGHT CITY TO 7 MILES EAST OF
HERMANN...AND MOVING EAST AT 45 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...
WENTZVILLE...ST. PAUL...LAKE ST. LOUIS...TRELOAR...HARDIN...
WINFIELD...MARTHASVILLE...DUTZOW...NEW MELLE...HOLSTEIN...FOLEY...
FORISTELL...FLINT HILL...OLD MONROE...BATCHTOWN AND BEECHVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST
LOUIS.
LARGE HAIL...DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY. LIGHTNING
KILLS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!
&&
LAT...LON 3921 9103 3916 9061 3888 9065 3858 9091
3863 9123 3865 9123 3871 9131 3870 9137
3871 9149 3867 9155
TIME...MOT...LOC 0155Z 274DEG 40KT 3919 9072 3889 9097
3868 9127
HAIL...0.75IN
WIND...60 MPH
$$
PHILLIPSON404
WWUS53 KLSX 170212
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
912 PM CDT SAT JUN 16 2012
ILC013-MOC113-139-183-219-170222-
/O.EXP.KLSX.SV.W.0178.000000T0000Z-120617T0215Z/
CALHOUN IL-LINCOLN MO-MONTGOMERY MO-ST. CHARLES MO-WARREN MO-
912 PM CDT SAT JUN 16 2012
...THE SEVERE THUNDERSTORM WARNING FOR WARREN...WESTERN ST.
CHARLES...MONTGOMERY...LINCOLN AND CALHOUN COUNTIES WILL EXPIRE AT
915 PM CDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.
LAT...LON 3921 9103 3916 9061 3888 9065 3858 9091
3863 9123 3865 9123 3871 9131 3870 9137
3871 9149 3867 9155
TIME...MOT...LOC 0212Z 274DEG 40KT 3917 9047 3887 9073
3867 9103
$$
PHILLIPSONThe 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, 8:39 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Cole, Osage | 51 min |
| Jun 16, 9:08 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade | 44 min |
| Jun 16, 7:32 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Pike | 30 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2012Severe Thunderstorm Warnings in Illinois, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.