Alert archive / Missouri / Tornado Warnings in 2007
Tornado Warning 5, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Mar 1, 2007, 7:53 AM CST for Franklin County, Saint Charles County, Saint Louis County, Missouri. It was in force for 52 min. 4 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
- Mar 1, 2007, 7:53 AM CST (13:53 UTC)
- Expired
- Mar 1, 2007, 8:45 AM CST
- In force
- 52 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
Counties Franklin County, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 12 km from the middle of the area, began a volume at 13:54 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 |
|---|---|---|---|
| Mar 1, 8:05 AM CST | HAIL 1 | 3 Nw Gray Summit, MO | |
| Mar 1, 8:20 AM CST | HAIL 0.75 | Harvester, MO | |
| Mar 1, 8:25 AM CST | HAIL 1 | Harvester, MO | AT INTERSECTION OF HWY 94 AND HARVESTER ROAD. |
| Mar 1, 8:25 AM CST | HAIL 1.75 | Chesterfield, MO | REPORTED IN CHESTERFIELD VALLEY JUST EAST OF THE BOONE BRIDGE |
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 |
|---|---|---|---|
| Mar 1, 3:58 AM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 1.9 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KLSX 011353 TORLSX MOC071-183-189-011445- /O.NEW.KLSX.TO.W.0005.070301T1353Z-070301T1445Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 753 AM CST THU MAR 1 2007 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI * UNTIL 845 AM CST * AT 750 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR VILLA RIDGE...MOVING NORTHEAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... WILDWOOD... CHESTERFIELD... CLARKSON VALLEY... MARYLAND HEIGHTS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. DO NOT USE HIGHWAY OVERPASSES FOR SHELTER. OVERPASSES DO NOT PROVIDE PROTECTION FROM TORNADIC WINDS. VEHICLES STOPPED UNDER BRIDGES BLOCK TRAFFIC AND PREVENT PEOPLE FROM GETTING OUT OF THE STORMS PATH AND TO SHELTER. IF YOU CANNOT DRIVE AWAY FROM THE TORNADO...GET OUT OF YOUR VEHICLE AND LIE FLAT IN A DITCH AS A LAST RESORT. LAT...LON 3855 9095 3841 9097 3865 9032 3888 9060 $$ BRITT
3 follow-up statements
000 WWUS53 KLSX 011415 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 813 AM CST THU MAR 1 2007 MOC071-011423- /O.CAN.KLSX.TO.W.0005.000000T0000Z-070301T1445Z/ FRANKLIN MO- 813 AM CST THU MAR 1 2007 ...THE TORNADO WARNING FOR FRANKLIN COUNTY IS CANCELLED... LAT...LON 3866 9073 3854 9072 3865 9032 3885 9052 $$ MOC183-189-011445- /O.CON.KLSX.TO.W.0005.000000T0000Z-070301T1445Z/ ST. LOUIS MO-ST. CHARLES MO- 813 AM CST THU MAR 1 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 AM CST FOR CENTRAL AND EASTERN ST. CHARLES AND WESTERN ST. LOUIS COUNTIES... AT 811 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY STRONG ROTATION IN THE LOWEST LEVELS OF THE STORM NEAR WILDWOOD...MOVING NORTHEAST AT 50 MPH. LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...MARYLAND HEIGHTS... HARVESTER...CREVE COEUR...TOWN AND COUNTRY...BRIDGETON...ST. CHARLES...ST. ANN AND OVERLAND. DO NOT USE HIGHWAY OVERPASSES FOR SHELTER. OVERPASSES DO NOT PROVIDE PROTECTION FROM TORNADIC WINDS. VEHICLES STOPPED UNDER BRIDGES BLOCK TRAFFIC AND PREVENT PEOPLE FROM GETTING OUT OF THE STORMS PATH AND TO SHELTER. IF YOU CANNOT DRIVE AWAY FROM THE TORNADO...GET OUT OF YOUR VEHICLE AND LIE FLAT IN A DITCH AS A LAST RESORT. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. LAT...LON 3866 9073 3854 9072 3865 9032 3885 9052 $$ BRITT
000 WWUS53 KLSX 011435 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 834 AM CST THU MAR 1 2007 MOC183-011444- /O.CAN.KLSX.TO.W.0005.000000T0000Z-070301T1445Z/ ST. CHARLES MO- 834 AM CST THU MAR 1 2007 ...THE TORNADO WARNING FOR ST. CHARLES COUNTY IS CANCELLED... THE THUNDERSTORM WILL STRONG ROTATION HAS MOVED EAST OF ST. CHARLES COUNTY. LAT...LON 3874 9052 3868 9048 3877 9025 3886 9033 $$ MOC189-011445- /O.CON.KLSX.TO.W.0005.000000T0000Z-070301T1445Z/ ST. LOUIS MO- 834 AM CST THU MAR 1 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 AM CST FOR NORTHERN ST. LOUIS COUNTY... AT 832 AM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED NEAR MARYLAND HEIGHTS...MOVING NORTHEAST AT 45 MPH. LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...HAZELWOOD... FLORISSANT...BERKELEY AND BLACK JACK. IF YOU ARE IN THE PATH OF THIS STORM...TAKE SHELTER IMMEDIATELY LAT...LON 3874 9052 3868 9048 3877 9025 3886 9033 $$ BRITT
000 WWUS53 KLSX 011446 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 846 AM CST THU MAR 1 2007 MOC189-011456- /O.EXP.KLSX.TO.W.0005.000000T0000Z-070301T1445Z/ ST. LOUIS MO- 846 AM CST THU MAR 1 2007 ...THE TORNADO WARNING FOR NORTHERN ST. LOUIS COUNTY EXPIRES AT 845 AM CST... THE ROTATION THAT PROMPTED THE TORNADO WARNING HAS WEAKENED AND MOVED EAST OF THE COUNTY. ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST. LAT...LON 3874 9052 3868 9048 3877 9025 3886 9033 $$ BRITT
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 9:59 PM CST | Severe Thunderstorm Warning | LSX | Marion, Monroe, Shelby | 46 min |
| Mar 1, 2:05 AM CST | Severe Thunderstorm Warning | LSX | Lewis, Marion | 55 min |
| Mar 1, 2:06 AM CST | Severe Thunderstorm Warning | LSX | Lewis, Marion | 54 min |
| Mar 1, 2:10 AM CST | Tornado Warning | LSX | Ralls | 27 min |
| Mar 1, 2:22 AM CST | Tornado Warning | LSX | Marion | 23 min |
| Mar 1, 3:57 AM CST | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Moniteau | 48 min |
| Mar 1, 4:38 AM CST | Severe Thunderstorm Warning | LSX | Callaway | 52 min |
| Mar 1, 5:05 AM CST | Severe Thunderstorm Warning | LSX | Montgomery | 40 min |
| Mar 1, 6:58 AM CST | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade | 47 min |
| Mar 1, 7:12 AM CST | Tornado Warning | LSX | Crawford, Franklin | 48 min |
| Mar 1, 7:34 AM CST | Tornado Warning | LSX | Reynolds | 41 min |
| Mar 1, 8:37 AM CST | Severe Thunderstorm Warning | LSX | Jefferson, Washington | 38 min |
| Mar 1, 8:43 AM CST | Severe Thunderstorm Warning | LSX | Saint Charles | 24 min |
| Mar 1, 10:47 AM CST | Wind Advisory | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more | 13 hr |
Nearby
Tornado Warnings in Missouri, 2007Every tornado warning in 2007Tornadoes in 2007
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.