Alert archive / Missouri / Tornado Warnings in 2010
Tornado Warning 52, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jul 11, 2010, 4:23 PM CDT for Crawford County, Missouri. It was in force for 42 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 11, 2010, 4:23 PM CDT (21:23 UTC)
- Expired
- Jul 11, 2010, 5:05 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
County Crawford County, MO
The radar
The St Louis radar (KLSX), 117 km from the middle of the area, began a volume at 21:24 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 |
|---|---|---|---|
| Jul 11, 3:37 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.4 hours before the alert went out and 234 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
- 1329 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 876 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
492
WFUS53 KLSX 112123
TORLSX
MOC055-112215-
/O.NEW.KLSX.TO.W.0052.100711T2123Z-100711T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
423 PM CDT SUN JUL 11 2010
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 515 PM CDT
* AT 420 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 7 MILES SOUTHEAST OF ROLLA...AND MOVING SOUTHEAST
AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
CHERRYVILLE AND COOK STATION.
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.
&&
LAT...LON 3778 9133 3778 9153 3779 9154 3793 9154
3793 9153 3784 9124 3772 9132
TIME...MOT...LOC 2123Z 290DEG 22KT 3788 9166
$$
TRUETT2 follow-up statements
117
WWUS53 KLSX 112145
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
445 PM CDT SUN JUL 11 2010
MOC055-112215-
/O.CON.KLSX.TO.W.0052.000000T0000Z-100711T2215Z/
CRAWFORD MO-
445 PM CDT SUN JUL 11 2010
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CRAWFORD
COUNTY UNTIL 515 PM CDT...
AT 441 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 11 MILES WEST OF CHERRYVILLE...OR 11 MILES NORTH OF
SALEM...MOVING SOUTHEAST AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
CHERRYVILLE...AND AREAS BETWEEN COOK STATION AND DILLARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.
&&
LAT...LON 3778 9133 3778 9153 3779 9154 3793 9154
3793 9153 3784 9124 3772 9132
TIME...MOT...LOC 2144Z 297DEG 30KT 3779 9144
$$
TRUETT250
WWUS53 KLSX 112205
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
505 PM CDT SUN JUL 11 2010
MOC055-112215-
/O.CAN.KLSX.TO.W.0052.000000T0000Z-100711T2215Z/
CRAWFORD MO-
505 PM CDT SUN JUL 11 2010
...THE TORNADO WARNING FOR SOUTHWESTERN CRAWFORD COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM.
LAT...LON 3778 9133 3778 9153 3779 9154 3793 9154
3793 9153 3784 9124 3772 9132
TIME...MOT...LOC 2205Z 297DEG 30KT 3771 9124
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 4:57 PM CDT | Tornado Warning | LSX | Crawford, Iron, Reynolds | 48 min |
| Jul 11, 6:03 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison | 27 min |
| Jul 11, 6:49 PM CDT | Areal Flood Advisory | LSX | Iron, Madison, Saint Francois | 6 hr |
Nearby
Tornado Warnings in Missouri, 2010Every tornado warning in 2010Tornadoes in 2010
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.