Alert archive / Missouri / Tornado Warnings in 2012
Tornado Warning 8, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Feb 29, 2012, 1:21 AM CST for Crawford County, Missouri. It was in force for 39 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
- Feb 29, 2012, 1:21 AM CST (07:21 UTC)
- Expired
- Feb 29, 2012, 2:00 AM CST
- In force
- 39 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
County Crawford County, MO
The radar
The St Louis radar (KLSX), 115 km from the middle of the area, began a volume at 07:22 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 |
|---|---|---|---|
| Feb 29, 1:14 AM CST | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 7.4 hours before the alert went out and 243 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
- 75 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 595 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 482 m²/s²
- 0-3 km storm-relative helicity
- 563 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
752
WFUS53 KLSX 290721
TORLSX
MOC055-290800-
/O.NEW.KLSX.TO.W.0008.120229T0721Z-120229T0800Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
121 AM CST WED FEB 29 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 200 AM CST
* AT 118 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 12 MILES NORTHWEST OF SALEM...AND MOVING EAST
AT 60 MPH. THIS STORM HAS A HISTORY OF PRODUCING TORNADOES.
* LOCATIONS IMPACTED INCLUDE...
CHERRYVILLE...COOK STATION...DILLARD AND DAVISVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 3770 9132 3778 9131 3778 9153 3779 9153
3793 9153 3801 9109 3775 9110 3774 9111
3774 9115 3771 9115 3770 9131
TIME...MOT...LOC 0721Z 258DEG 54KT 3776 9166
$$
TILLY2 follow-up statements
242
WWUS53 KLSX 290747
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
147 AM CST WED FEB 29 2012
MOC055-290800-
/O.CON.KLSX.TO.W.0008.000000T0000Z-120229T0800Z/
CRAWFORD MO-
147 AM CST WED FEB 29 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CRAWFORD
COUNTY UNTIL 200 AM CST...
AT 146 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR CHERRYVILLE...OR 11 MILES SOUTHEAST OF
STEELVILLE...MOVING EAST AT 55 MPH.
LOCATIONS IMPACTED INCLUDE...
DAVISVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 3770 9131 3778 9131 3790 9136 3801 9110
3797 9109 3775 9110 3774 9111 3774 9115
3771 9115
TIME...MOT...LOC 0747Z 253DEG 48KT 3784 9124
$$
TILLY760
WWUS53 KLSX 290757
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
157 AM CST WED FEB 29 2012
MOC055-290807-
/O.EXP.KLSX.TO.W.0008.000000T0000Z-120229T0800Z/
CRAWFORD MO-
157 AM CST WED FEB 29 2012
...THE TORNADO WARNING FOR SOUTHEASTERN CRAWFORD COUNTY WILL EXPIRE
AT 200 AM CST...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 900 AM CST.
LAT...LON 3770 9131 3778 9131 3790 9136 3801 9110
3797 9109 3775 9110 3774 9111 3774 9115
3771 9115
TIME...MOT...LOC 0757Z 256DEG 50KT 3795 9102
$$
TILLYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 29, 1:52 AM CST | Severe Thunderstorm Warning | LSX | Jefferson, Saint Francois, Washington | 53 min |
| Feb 29, 2:13 AM CST | Tornado Warning | LSX | Jefferson, Saint Francois, Washington | 20 min |
| Feb 29, 2:22 AM CST | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 38 min |
| Feb 29, 2:31 AM CST | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve | 31 min |
| Feb 29, 2:50 AM CST | Severe Thunderstorm Warning | LSX | Madison | 40 min |
| Feb 29, 3:05 AM CST | Tornado Warning | LSX | Madison | 25 min |
Nearby
Tornado Warnings in Missouri, 2012Every tornado warning in 2012Tornadoes 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.