Alert archive / Missouri / Tornado Warnings in 2011
Tornado Warning 19, NWS Springfield, MO
NWS Springfield, MO issued this tornado warning at Apr 22, 2011, 6:58 PM CDT for 4 counties in Missouri. It was in force for 47 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
- Apr 22, 2011, 6:58 PM CDT (23:58 UTC)
- Expired
- Apr 22, 2011, 7:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
Counties Laclede County, MO, Texas County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 84 km from the middle of the area, began a volume at 00:01 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 |
|---|---|---|---|
| Apr 22, 3:34 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 12.0 hours before the alert went out and 131 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
- 148 J/kg
- Mixed-layer CIN
- -391 J/kg
- Mixed-layer LCL
- 454 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 516 m²/s²
- 0-3 km storm-relative helicity
- 554 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
468 WFUS53 KSGF 222358 TORSGF MOC105-215-225-229-230045- /O.NEW.KSGF.TO.W.0019.110422T2358Z-110423T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SPRINGFIELD MO 658 PM CDT FRI APR 22 2011 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN WEBSTER COUNTY IN SOUTHWEST MISSOURI... NORTHERN WRIGHT COUNTY IN SOUTHWEST MISSOURI... SOUTHEASTERN LACLEDE COUNTY IN SOUTHWEST MISSOURI... WEST CENTRAL TEXAS COUNTY IN SOUTH CENTRAL MISSOURI... * UNTIL 745 PM CDT. * AT 656 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 3 MILES NORTH OF DUNCAN...OR 13 MILES EAST OF MARSHFIELD... MOVING EAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE COMPETITION...DUNCAN...GRAFF... GROVESPRING...HARTVILLE...HUGGINS...LYNCHBURG...MANES...ODIN AND RADER. IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3763 9246 3736 9200 3721 9268 3740 9283 TIME...MOT...LOC 2357Z 253DEG 34KT 3733 9267 HAIL 1.75IN $$ BOXELL
2 follow-up statements
171 WWUS53 KSGF 230022 SVSSGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 722 PM CDT FRI APR 22 2011 MOC225-230032- /O.CAN.KSGF.TO.W.0019.000000T0000Z-110423T0045Z/ WEBSTER MO- 722 PM CDT FRI APR 22 2011 ...THE TORNADO WARNING FOR NORTHEASTERN WEBSTER COUNTY IS CANCELLED... THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE COUNTY...THUS THE WARNING HAS BEEN CANCELLED. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING FOR SOUTHERN MISSOURI. && LAT...LON 3739 9253 3759 9240 3736 9200 3727 9243 TIME...MOT...LOC 0022Z 253DEG 34KT 3740 9238 $$ MOC105-215-229-230045- /O.CON.KSGF.TO.W.0019.000000T0000Z-110423T0045Z/ LACLEDE MO-TEXAS MO-WRIGHT MO- 722 PM CDT FRI APR 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHEASTERN WRIGHT...WEST CENTRAL TEXAS AND SOUTHEASTERN LACLEDE COUNTIES... AT 720 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO NEAR MANES...OR 20 MILES NORTHWEST OF MOUNTAIN GROVE...MOVING EAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE COMPETITION...GRAFF...HUGGINS...LYNCHBURG AND MANES. IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING FOR SOUTHERN MISSOURI. && LAT...LON 3739 9253 3759 9240 3736 9200 3727 9243 TIME...MOT...LOC 0022Z 253DEG 34KT 3740 9238 HAIL 1.75IN $$ BOXELL
595
WWUS53 KSGF 230038
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
738 PM CDT FRI APR 22 2011
MOC105-229-230048-
/O.CAN.KSGF.TO.W.0019.000000T0000Z-110423T0045Z/
LACLEDE MO-WRIGHT MO-
738 PM CDT FRI APR 22 2011
...THE TORNADO WARNING FOR NORTHEASTERN WRIGHT AND SOUTHEASTERN
LACLEDE COUNTIES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR SOUTHERN MISSOURI.
&&
LAT...LON 3736 9200 3732 9225 3750 9225 3750 9224
3744 9213
TIME...MOT...LOC 0038Z 253DEG 34KT 3744 9220
$$
MOC215-230045-
/O.CON.KSGF.TO.W.0019.000000T0000Z-110423T0045Z/
TEXAS MO-
738 PM CDT FRI APR 22 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR WEST
CENTRAL TEXAS COUNTY...
AT 735 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO OVER WESTERN TEXAS COUNTY...OR 17 MILES NORTHWEST
OF HOUSTON...MOVING EAST AT 40 MPH.
THE WILL GENERALLY REMAIN OVER RURAL AREAS OF WEST CENTRAL TEXAS
COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR SOUTHERN MISSOURI.
&&
LAT...LON 3736 9200 3732 9225 3750 9225 3750 9224
3744 9213
TIME...MOT...LOC 0038Z 253DEG 34KT 3744 9220
HAIL 1.00IN
$$
BOXELLThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 7:25 PM CDT | Flash Flood Warning | SGF | Barry, McDonald | 6 hr |
| Apr 21, 7:52 PM CDT | Special Weather Statement | SGF | Barry | 23 min |
| Apr 21, 8:18 PM CDT | Severe Thunderstorm Warning | SGF | Christian, Stone, Taney | 16 min |
| Apr 22, 12:56 AM CDT | Areal Flood Warning | SGF | Barry, McDonald | 16 hr |
| Apr 22, 2:22 AM CDT | Special Weather Statement | SGF | Maries | 38 min |
| Apr 22, 8:01 AM CDT | Areal Flood Warning | SGF | Douglas, Howell, Oregon, Ozark, Shannon, Texas and 1 more | 5 hr |
| Apr 22, 10:14 AM CDT | River Flood Warning | SGF | Shannon | 15 hr |
| Apr 22, 10:44 AM CDT | River Flood Warning | SGF | Pulaski | 8 days |
| Apr 22, 1:01 PM CDT | Areal Flood Warning | SGF | Douglas, Howell, Oregon, Shannon | 4 hr |
| Apr 22, 3:48 PM CDT | Severe Thunderstorm Warning | SGF | Barton, Dade, Jasper, Lawrence | 42 min |
| Apr 22, 4:10 PM CDT | Special Weather Statement | SGF | Morgan | 35 min |
| Apr 22, 4:16 PM CDT | Severe Thunderstorm Warning | SGF | Morgan | 32 min |
| Apr 22, 4:23 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Greene, Jasper, Lawrence | 52 min |
| Apr 22, 4:26 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Camden | 64 min |
| Apr 22, 4:27 PM CDT | Severe Thunderstorm Warning | SGF | Barry, Lawrence, McDonald, Newton | 48 min |
| Apr 22, 4:45 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Miller, Morgan | 45 min |
| Apr 22, 4:56 PM CDT | Severe Thunderstorm Warning | SGF | Dallas, Hickory, Polk | 38 min |
| Apr 22, 5:05 PM CDT | Severe Thunderstorm Warning | SGF | Phelps | 25 min |
| Apr 22, 5:09 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Greene, Lawrence, Polk | 51 min |
| Apr 22, 5:13 PM CDT | Severe Thunderstorm Warning | SGF | Barry, Lawrence, McDonald, Newton | 47 min |
| Apr 22, 5:25 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Miller, Morgan | 53 min |
| Apr 22, 5:29 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Hickory | 31 min |
| Apr 22, 5:45 PM CDT | Severe Thunderstorm Warning | SGF | Dallas, Greene, Laclede, Polk, Webster | 60 min |
| Apr 22, 5:54 PM CDT | Tornado Warning | SGF | Barry, Lawrence, Newton | 51 min |
| Apr 22, 6:16 PM CDT | Severe Thunderstorm Warning | SGF | Douglas, Howell, Oregon, Ozark, Shannon, Texas | 59 min |
| Apr 22, 6:22 PM CDT | Severe Thunderstorm Warning | SGF | Greene, Laclede, Webster, Wright | 53 min |
| Apr 22, 6:27 PM CDT | Tornado Warning | SGF | Webster, Wright | 48 min |
| Apr 22, 6:30 PM CDT | Tornado Warning | SGF | Barry, Christian, Lawrence, Stone | 45 min |
| Apr 22, 6:40 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Greene, Polk | 50 min |
| Apr 22, 6:49 PM CDT | Severe Thunderstorm Warning | SGF | Laclede, Phelps, Pulaski, Texas, Wright | 25 min |
| Apr 22, 6:57 PM CDT | Severe Thunderstorm Warning | SGF | Lawrence | 29 min |
Nearby
Tornado Warnings in Missouri, 2011Every tornado warning in 2011Tornadoes in 2011
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.