Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 196, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 7, 2012, 5:49 PM CDT for Saint Francois County, Missouri. It was in force for 41 min. 1 report 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
- Jul 7, 2012, 5:49 PM CDT (22:49 UTC)
- Expired
- Jul 7, 2012, 6:30 PM CDT
- In force
- 41 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Saint Francois County, MO
The radar
The St Louis radar (KLSX), 110 km from the middle of the area, began a volume at 22:51 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 |
|---|---|---|---|
| Jul 7, 6:10 PM CDT | HAIL 1 | Doe Run, MO | SOME TREES AND POWER LINES DOWNED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 10.8 hours before the alert went out and 298 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
- 1058 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 2009 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
456
WUUS53 KLSX 072249
SVRLSX
MOC187-072330-
/O.NEW.KLSX.SV.W.0196.120707T2249Z-120707T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
549 PM CDT SAT JUL 7 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 630 PM CDT
* AT 547 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST
OF FARMINGTON...AND MOVING WEST AT 10 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...
BISMARCK...IRON MOUNTAIN AND DOE RUN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3765 9065 3774 9065 3775 9064 3778 9064
3782 9062 3776 9036 3764 9046 3764 9063
TIME...MOT...LOC 2249Z 104DEG 10KT 3772 9048
HAIL...<.75IN
WIND...60 MPH
$$
KANOFSKY1 follow-up statement
717
WWUS53 KLSX 072322
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
622 PM CDT SAT JUL 7 2012
MOC187-072330-
/O.CON.KLSX.SV.W.0196.000000T0000Z-120707T2330Z/
ST. FRANCOIS MO-
622 PM CDT SAT JUL 7 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ST. FRANCOIS
COUNTY UNTIL 630 PM CDT...
AT 617 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BISMARCK...AND
MOVING WEST AT 10 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS REPORTED 65 MPH WIND GUSTS AND
TREE DAMAGE IN DOE RUN. ONE INCH HAIL WAS ALSO REPORTED IN
DOE RUN.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
BISMARCK AND IRON MOUNTAIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3765 9065 3774 9065 3775 9064 3778 9064
3782 9062 3776 9036 3764 9046 3764 9063
TIME...MOT...LOC 2321Z 104DEG 10KT 3774 9059
HAIL...1.00IN
WIND...60 MPH
$$
KANOFSKYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 13 min |
| Jul 7, 5:29 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Warren | 29 min |
| Jul 7, 6:19 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Francois, Washington | 41 min |
| Jul 7, 6:27 PM CDT | Severe Thunderstorm Warning | LSX | Saint Francois | 33 min |
| Jul 7, 6:46 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 44 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.