Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 186, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 2, 2012, 2:34 PM CDT for Lincoln County, Saint Charles County, Missouri. It was in force for 26 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
- Jul 2, 2012, 2:34 PM CDT (19:34 UTC)
- Expired
- Jul 2, 2012, 3:00 PM CDT
- In force
- 26 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Lincoln County, MO, Saint Charles County, MO
The radar
The St Louis radar (KLSX), 19 km from the middle of the area, began a volume at 19:35 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.6 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.
- Mixed-layer CAPE
- 2475 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1566 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
751
WUUS53 KLSX 021934
SVRLSX
MOC113-183-022000-
/O.NEW.KLSX.SV.W.0186.120702T1934Z-120702T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
234 PM CDT MON JUL 2 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
CENTRAL ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 300 PM CDT
* AT 231 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAKE ST.
LOUIS...AND MOVING NORTHEAST AT 10 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
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...
ST. PAUL AND OLD MONROE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3893 9067 3890 9063 3889 9063 3887 9059
3870 9073 3878 9093 3895 9083
TIME...MOT...LOC 1934Z 208DEG 8KT 3882 9077
HAIL...1.00IN
WIND...60 MPH
$$
GOSSELIN1 follow-up statement
495
WWUS53 KLSX 021956
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
256 PM CDT MON JUL 2 2012
MOC113-183-022006-
/O.EXP.KLSX.SV.W.0186.000000T0000Z-120702T2000Z/
LINCOLN MO-ST. CHARLES MO-
256 PM CDT MON JUL 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ST. CHARLES AND
SOUTHEASTERN LINCOLN COUNTIES WILL EXPIRE AT 300 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
LAT...LON 3893 9067 3890 9063 3889 9063 3887 9059
3870 9073 3878 9093 3895 9083
TIME...MOT...LOC 1956Z 208DEG 8KT 3886 9074
$$
GOSSELINThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 2:38 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Warren | 37 min |
| Jul 2, 2:39 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 36 min |
| Jul 2, 3:40 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade | 21 min |
| Jul 2, 3:59 PM CDT | Heat Advisory | LSX | Knox, Lewis, Marion, Monroe, Ralls, Shelby | 5 days |
| Jul 2, 6:39 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 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.