Alert archive / Missouri / Tornado Warnings in 2010
Tornado Warning 29, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 30, 2010, 6:55 PM CDT for Crawford County, Franklin County, Washington County, Missouri. It was in force for 50 min. 3 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
- Apr 30, 2010, 6:55 PM CDT (23:55 UTC)
- Expired
- Apr 30, 2010, 7:45 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Crawford County, MO, Franklin County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 102 km from the middle of the area, began a volume at 23:58 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 |
|---|---|---|---|
| Apr 30, 6:55 PM CDT | TSTM WND DMG | 1 Nw Cook Station, MO | FALLING TREES DAMAGED FENCE AT GAME RANCH....LARGE TREE SPLIT IN TWO DAMAGING TWO VEHICLES AND AN ABOVE GROUND POOL. TIME ESTIMATED FROM RADAR DATA |
| Apr 30, 6:55 PM CDT | TSTM WND DMG | 1 W Cook Station, MO | SHERIFF OFFICE RECEIVED SEVERAL REPORTS OF VERY LARGE TREES COMPLETELY UPROOTED AT HIGHWAY YY AND BURLEY RIDGE ROAD |
| Apr 30, 7:04 PM CDT | HAIL 0.25 | 6 Sw Steelville, MO |
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 |
|---|---|---|---|
| Apr 30, 2:40 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 11.9 hours before the alert went out and 247 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
- 217 J/kg
- Mixed-layer CIN
- -186 J/kg
- Mixed-layer LCL
- 903 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 250 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
876
WFUS53 KLSX 302355
TORLSX
MOC055-071-221-010045-
/O.NEW.KLSX.TO.W.0029.100430T2355Z-100501T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
655 PM CDT FRI APR 30 2010
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
SOUTHWESTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
NORTHERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 745 PM CDT
* AT 654 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 8 MILES WEST OF CHERRYVILLE...OR 8 MILES
SOUTHWEST OF STEELVILLE...AND MOVING NORTHEAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
STEELVILLE...CUBA...BOURBON...ANTHONIES MILL...SULLIVAN...POTOSI...
CHERRYVILLE...LEASBURG...MINERAL POINT...OLD MINES...SHIRLEY...
JAPAN...ST. CLOUD...LATTY...STANTON AND NOSER MILL.
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 9147 3783 9154 3802 9154 3840 9120
3795 9067 3778 9135
TIME...MOT...LOC 2355Z 223DEG 43KT 3787 9142
$$
KANOFSKY2 follow-up statements
661 WWUS53 KLSX 010014 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 714 PM CDT FRI APR 30 2010 MOC055-071-221-010045- /O.CON.KLSX.TO.W.0029.000000T0000Z-100501T0045Z/ WASHINGTON MO-CRAWFORD MO-FRANKLIN MO- 714 PM CDT FRI APR 30 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN FRANKLIN... CRAWFORD AND NORTHERN WASHINGTON COUNTIES UNTIL 745 PM CDT... AT 711 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR STEELVILLE...MOVING NORTHEAST AT 30 MPH. LOCAL LAW ENFORCEMENT REPORTED TREES HAD BEEN UPROOTED ALONG HIGHWAY YY IN SOUTHWESTERN CRAWFORD COUNTY. LOCATIONS IMPACTED INCLUDE... BOURBON...ANTHONIES MILL...SULLIVAN...POTOSI...LEASBURG...OLD MINES...MINERAL POINT...JAPAN...SHIRLEY...ST. CLOUD...LATTY... STANTON AND NOSER MILL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && LAT...LON 3779 9130 3802 9154 3840 9120 3795 9067 TIME...MOT...LOC 0014Z 227DEG 28KT 3795 9127 $$ KANOFSKY
680 WWUS53 KLSX 010023 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 723 PM CDT FRI APR 30 2010 MOC055-071-221-010045- /O.CON.KLSX.TO.W.0029.000000T0000Z-100501T0045Z/ WASHINGTON MO-CRAWFORD MO-FRANKLIN MO- 723 PM CDT FRI APR 30 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL FRANKLIN... NORTHEASTERN CRAWFORD AND NORTHERN WASHINGTON COUNTIES UNTIL 745 PM CDT... AT 719 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES EAST OF STEELVILLE...MOVING NORTHEAST AT 35 MPH. LOCAL LAW ENFORCEMENT REPORTED LARGE TREES UPROOTED NEAR COOK STATION. LOCATIONS IMPACTED INCLUDE... BOURBON...ANTHONIES MILL...SULLIVAN...LEASBURG...OLD MINES...ST. CLOUD...LATTY AND STANTON. 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 3786 9129 3802 9141 3836 9115 3798 9070 TIME...MOT...LOC 0022Z 228DEG 30KT 3799 9122 $$ KANOFSKY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 5:00 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 15 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.