Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 270, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Sep 6, 2012, 3:58 PM CDT for Iron County, Reynolds County, Missouri. It was in force for 47 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
- Sep 6, 2012, 3:58 PM CDT (20:58 UTC)
- Expired
- Sep 6, 2012, 4:45 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 Iron County, MO, Reynolds County, MO
The radar
The St Louis radar (KLSX), 162 km from the middle of the area, began a volume at 21:01 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 |
|---|---|---|---|
| Sep 6, 4:25 PM CDT | TSTM WND DMG | Annapolis, MO | TREE FELL ONTO HOUSE...TIME EST FROM RADAR |
| Sep 6, 4:35 PM CDT | TSTM WND DMG | Ironton, MO | SEVERAL REPORTS OF TREES DOWN BETWEEN IRONTON AND BELLEVIEW...TIME EST FROM RADAR |
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 |
|---|---|---|---|
| Sep 6, 12:28 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.0 hours before the alert went out and 252 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
- 841 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 1845 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
604
WUUS53 KLSX 062058
SVRLSX
MOC093-179-062145-
/O.NEW.KLSX.SV.W.0270.120906T2058Z-120906T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
358 PM CDT THU SEP 6 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
IRON COUNTY IN SOUTHEAST MISSOURI...
REYNOLDS COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 445 PM CDT
* AT 356 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM OATES TO 10 MILES SOUTHWEST OF REYNOLDS TO
BIRCH TREE...AND MOVING EAST AT 40 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...
IRONTON...OATES...REYNOLDS...ELLINGTON...GARWOOD...GLOVER...
ARCADIA...ANNAPOLIS...CORRIDON...BLACK...CENTERVILLE...REDFORD...
LESTERVILLE...HOGAN...CHLORIDE...SABULA...VULCAN AND DES ARC.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3705 9096 3709 9097 3710 9102 3716 9104
3719 9110 3720 9109 3720 9112 3725 9113
3726 9117 3741 9118 3742 9122 3750 9122
3750 9130 3760 9130 3763 9054 3727 9055
3726 9073 3717 9073 3713 9077 3705 9078
TIME...MOT...LOC 2058Z 288DEG 36KT 3754 9108 3728 9116
3699 9141
HAIL...<.75IN
WIND...60 MPH
$$
GLASS2 follow-up statements
856
WWUS53 KLSX 062121
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
421 PM CDT THU SEP 6 2012
MOC093-179-062145-
/O.CON.KLSX.SV.W.0270.000000T0000Z-120906T2145Z/
IRON MO-REYNOLDS MO-
421 PM CDT THU SEP 6 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR REYNOLDS AND
IRON COUNTIES UNTIL 445 PM CDT...
AT 420 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 9 MILES NORTHWEST OF GLOVER TO ELLINGTON TO 9
MILES SOUTHWEST OF VAN BUREN...AND MOVING EAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
BROKEN.
LOCATIONS IMPACTED INCLUDE...
IRONTON...GARWOOD...GLOVER...ARCADIA...ANNAPOLIS...REDFORD...
LESTERVILLE...HOGAN...CHLORIDE...SABULA...VULCAN AND DES ARC.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3709 9097 3710 9102 3716 9104 3719 9110
3720 9109 3720 9112 3725 9113 3726 9117
3741 9114 3754 9102 3760 9100 3763 9054
3727 9055 3726 9073 3717 9073 3713 9077
3705 9078 3705 9096
TIME...MOT...LOC 2121Z 288DEG 36KT 3755 9082 3720 9098
3692 9114
HAIL...<.75IN
WIND...60 MPH
$$
GLASS020
WWUS53 KLSX 062145
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
445 PM CDT THU SEP 6 2012
MOC093-179-062155-
/O.EXP.KLSX.SV.W.0270.000000T0000Z-120906T2145Z/
IRON MO-REYNOLDS MO-
445 PM CDT THU SEP 6 2012
...THE SEVERE THUNDERSTORM WARNING FOR REYNOLDS AND IRON COUNTIES HAS
EXPIRED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA. HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE
WITH THESE THUNDERSTORMS.
IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM.
LAT...LON 3709 9097 3710 9102 3716 9104 3719 9110
3720 9109 3720 9112 3725 9113 3726 9117
3741 9114 3754 9102 3760 9100 3763 9054
3727 9055 3726 9073 3717 9073 3713 9077
3705 9078 3705 9096
TIME...MOT...LOC 2145Z 288DEG 36KT 3748 9053 3713 9069
3685 9085
$$
GLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 1:44 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Moniteau | 46 min |
| Sep 6, 2:28 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Cole, Osage | 47 min |
| Sep 6, 2:31 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 44 min |
| Sep 6, 3:00 PM CDT | Flash Flood Warning | LSX | Crawford | 5 hr |
| Sep 6, 3:13 PM CDT | Severe Thunderstorm Warning | LSX | Saint Francois, Washington | 27 min |
| Sep 6, 3:15 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade | 45 min |
| Sep 6, 3:31 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Washington | 44 min |
| Sep 6, 3:39 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 54 min |
| Sep 6, 4:02 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Charles, Saint Louis, Warren, Washington | 43 min |
| Sep 6, 4:20 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 40 min |
| Sep 6, 4:38 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Louis | 37 min |
| Sep 6, 5:18 PM CDT | Areal Flood Advisory | LSX | Madison, Saint Francois | 3 hr |
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.