Alert archive / Missouri / Tornado Warnings in 2010
Tornado Warning 73, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Nov 24, 2010, 10:25 PM CST for Crawford County, Washington County, Missouri. It was in force for 50 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
- Nov 24, 2010, 10:25 PM CST (04:25 UTC)
- Expired
- Nov 24, 2010, 11:15 PM CST
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Crawford County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 102 km from the middle of the area, began a volume at 04:27 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 |
|---|---|---|---|
| Nov 24, 8:23 PM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.4 hours before the alert went out and 253 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
- 542 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 419 m²/s²
- 0-3 km storm-relative helicity
- 460 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 6.6
The text
As transmitted, in the capitals the NWS used until 2016.
999
WFUS53 KLSX 250425
TORLSX
MOC055-221-250515-
/O.NEW.KLSX.TO.W.0073.101125T0425Z-101125T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1025 PM CST WED NOV 24 2010
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 1115 PM CST
* AT 1023 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO. THESE
DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
STEELVILLE TO 10 MILES NORTH OF SALEM...AND MOVING EAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
CHERRYVILLE...OLD MINES...DAVISVILLE...LATTY AND SHIRLEY.
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 3778 9149 3802 9130 3811 9070 3781 9092
3778 9138
TIME...MOT...LOC 0425Z 259DEG 35KT 3797 9128 3779 9144
$$
TRUETT1 follow-up statement
024
WWUS53 KLSX 250451
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1051 PM CST WED NOV 24 2010
MOC055-250500-
/O.CAN.KLSX.TO.W.0073.000000T0000Z-101125T0515Z/
CRAWFORD MO-
1051 PM CST WED NOV 24 2010
...THE TORNADO WARNING FOR SOUTHERN CRAWFORD COUNTY IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA. HOWEVER...ADDITIONAL STRONG STORMS ARE POSSIBLE...AND
A TORNADO WATCH REMAINS IN EFFECT UNTIL 4 AM.
LAT...LON 3788 9111 3806 9104 3811 9070 3785 9089
3785 9111
TIME...MOT...LOC 0450Z 262DEG 41KT 3806 9093 3788 9104
$$
MOC221-250515-
/O.CON.KLSX.TO.W.0073.000000T0000Z-101125T0515Z/
WASHINGTON MO-
1051 PM CST WED NOV 24 2010
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN WASHINGTON COUNTY
UNTIL 1115 PM CST...
AT 1048 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO. THESE
DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES
EAST OF ANTHONIES MILL TO 7 MILES NORTH OF COURTOIS...MOVING EAST AT
50 MPH.
LOCATIONS IMPACTED INCLUDE...
LATTY AND SHIRLEY.
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 3788 9111 3806 9104 3811 9070 3785 9089
3785 9111
TIME...MOT...LOC 0450Z 262DEG 41KT 3806 9093 3788 9104
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 24, 7:26 PM CST | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Osage | 34 min |
| Nov 24, 9:06 PM CST | Severe Thunderstorm Warning | LSX | Saint Louis | 24 min |
| Nov 24, 9:26 PM CST | Areal Flood Advisory | LSX | Crawford, Franklin, Gasconade, Jefferson, Osage, Saint Charles and 4 more | 6 hr |
| Nov 24, 9:39 PM CST | Tornado Warning | LSX | Crawford, Franklin, Washington | 51 min |
| Nov 24, 10:31 PM CST | Tornado Warning | LSX | Franklin, Jefferson, Washington | 44 min |
| Nov 24, 11:03 PM CST | Tornado Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Washington | 42 min |
| Nov 24, 11:46 PM CST | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 44 min |
| Nov 25, 3:31 AM CST | Areal Flood Advisory | LSX | Crawford, Franklin, Gasconade, Jefferson, Osage, Saint Charles and 4 more | 6 hr |
| Nov 25, 2:45 PM CST | River Flood Warning | LSX | Osage | 5 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.