Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 21, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Feb 29, 2012, 2:26 AM CST for Howell County, Oregon County, Ozark County, Missouri. It was in force for 64 min. 2 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
- Feb 29, 2012, 2:26 AM CST (08:26 UTC)
- Expired
- Feb 29, 2012, 3:30 AM CST
- In force
- 64 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 70.0 mph
Counties Howell County, MO, Oregon County, MO, Ozark County, MO
The radar
The Springfield radar (KSGF), 156 km from the middle of the area, began a volume at 08:27 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 29, 2:39 AM CST | TSTM WND DMG | West Plains, MO | POWER POLE DOWN |
| Feb 29, 2:49 AM CST | TSTM WND GST 60 | West Plains, 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 |
|---|---|---|---|
| Feb 28, 10:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 8.4 hours before the alert went out and 180 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
- 75 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 595 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 482 m²/s²
- 0-3 km storm-relative helicity
- 563 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
003 WUUS53 KSGF 290826 SVRSGF MOC091-149-153-290930- /O.NEW.KSGF.SV.W.0021.120229T0826Z-120229T0930Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SPRINGFIELD MO 226 AM CST WED FEB 29 2012 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... OREGON COUNTY IN SOUTH CENTRAL MISSOURI... SOUTHEASTERN OZARK COUNTY IN SOUTHWEST MISSOURI... SOUTHERN HOWELL COUNTY IN SOUTH CENTRAL MISSOURI... * UNTIL 330 AM CST. * AT 223 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES NORTH OF POTTERSVILLE TO 9 MILES SOUTHWEST OF HARDENVILLE...MOVING EAST AT 55 MPH. THESE STORMS ARE CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. * LOCATIONS IMPACTED INCLUDE ALTON...BAKERSFIELD...THAYER AND WEST PLAINS. A TORNADO WARNING ALSO REMAINS IN EFFECT UNTIL 330 AM FOR NORTHERN HOWELL AND NORTHERN OREGON COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THESE ARE DANGEROUS STORMS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS...IF YOU ARE IN THEIR PATH SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST WEDNESDAY MORNING FOR SOUTHERN MISSOURI. && LAT...LON 3678 9212 3674 9112 3649 9113 3649 9252 TIME...MOT...LOC 0826Z 268DEG 47KT 3677 9200 3650 9243 WIND...HAIL 70MPH 1.25IN $$ BOXELL
3 follow-up statements
817 WWUS53 KSGF 290847 SVSSGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 247 AM CST WED FEB 29 2012 MOC153-290858- /O.CAN.KSGF.SV.W.0021.000000T0000Z-120229T0930Z/ OZARK MO- 247 AM CST WED FEB 29 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OZARK COUNTY IS CANCELLED... A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST WEDNESDAY MORNING FOR SOUTHERN MISSOURI. && LAT...LON 3677 9211 3674 9112 3649 9113 3650 9212 TIME...MOT...LOC 0848Z 268DEG 47KT 3677 9164 3651 9204 $$ MOC091-149-290930- /O.CON.KSGF.SV.W.0021.000000T0000Z-120229T0930Z/ HOWELL MO-OREGON MO- 247 AM CST WED FEB 29 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CST FOR SOUTHERN OREGON AND SOUTHERN HOWELL COUNTIES... AT 244 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTHWEST OF ROVER TO 7 MILES WEST OF MOODY...MOVING EAST AT 55 MPH. THESE STORMS ARE CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. LOCATIONS IMPACTED INCLUDE ALTON...BRANDSVILLE...CAULFIELD...COUCH... KOSHKONONG...LANTON...MOODY...MYRTLE...POTTERSVILLE...ROVER...SOUTH FORK...THAYER...WEST PLAINS AND WILDERNESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THESE ARE DANGEROUS STORMS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS...IF YOU ARE IN THEIR PATH SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST WEDNESDAY MORNING FOR SOUTHERN MISSOURI. && LAT...LON 3677 9211 3674 9112 3649 9113 3650 9212 TIME...MOT...LOC 0848Z 268DEG 47KT 3677 9164 3651 9204 WIND...HAIL 70MPH 1.00IN $$ BOXELL
775
WWUS53 KSGF 290914
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
314 AM CST WED FEB 29 2012
MOC091-290924-
/O.CAN.KSGF.SV.W.0021.000000T0000Z-120229T0930Z/
HOWELL MO-
314 AM CST WED FEB 29 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HOWELL COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN MISSOURI.
&&
LAT...LON 3661 9168 3675 9132 3674 9131 3674 9112
3649 9113 3650 9167
TIME...MOT...LOC 0914Z 268DEG 47KT 3678 9122 3652 9162
$$
MOC149-290930-
/O.CON.KSGF.SV.W.0021.000000T0000Z-120229T0930Z/
OREGON MO-
314 AM CST WED FEB 29 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CST
FOR SOUTHERN OREGON COUNTY...
AT 310 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES
NORTHWEST OF WILDERNESS TO 6 MILES SOUTH OF KOSHKONONG...MOVING EAST
AT 55 MPH. THESE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.
LOCATIONS IMPACTED INCLUDE ALTON...COUCH...KOSHKONONG...MYRTLE...
THAYER AND WILDERNESS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE ARE DANGEROUS STORMS CAPABLE OF PRODUCING DAMAGING WINDS...IF
YOU ARE IN THEIR PATH SEEK SHELTER INDOORS AND STAY AWAY FROM
WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN MISSOURI.
&&
LAT...LON 3661 9168 3675 9132 3674 9131 3674 9112
3649 9113 3650 9167
TIME...MOT...LOC 0914Z 268DEG 47KT 3678 9122 3652 9162
WIND...HAIL 60MPH <.50IN
$$
BOXELL239
WWUS53 KSGF 290925
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
325 AM CST WED FEB 29 2012
MOC149-290934-
/O.EXP.KSGF.SV.W.0021.000000T0000Z-120229T0930Z/
OREGON MO-
325 AM CST WED FEB 29 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN OREGON COUNTY WILL
EXPIRE AT 330 AM CST...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE
THUNDERSTORMS THAT PROMPTED THE WARNING HAD WEAKENED AND WERE NO
LONGER SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.
ADDITIONAL THUNDERSTORMS ARE MOVING NORTHEAST FROM NORTHERN
ARKANSAS...AND MAY AFFECT OREGON COUNTY OVER THE NEXT HOUR. PERSONS
ACROSS SOUTHERN OREGON COUNTY SHOULD CONTINUE TO MONITOR WEATHER
CONDITIONS...AND REMAIN ALERT FOR LATER WARNINGS.
LAT...LON 3661 9168 3675 9132 3674 9131 3674 9112
3649 9113 3650 9167
TIME...MOT...LOC 0924Z 268DEG 47KT 3678 9106 3652 9146
$$
BOXELLThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 10:21 PM CST | Severe Thunderstorm Warning | SGF | Barton, Jasper | 54 min |
| Feb 28, 10:48 PM CST | Tornado Warning | SGF | Barton | 27 min |
| Feb 28, 10:59 PM CST | Severe Thunderstorm Warning | SGF | Barton, Cedar, Dade, Jasper, Lawrence, Vernon | 31 min |
| Feb 28, 11:07 PM CST | Tornado Warning | SGF | Barton, Dade | 38 min |
| Feb 28, 11:18 PM CST | Tornado Warning | SGF | Barton, Cedar, Dade, Vernon | 27 min |
| Feb 28, 11:29 PM CST | Tornado Warning | SGF | Dade, Greene, Polk | 31 min |
| Feb 28, 11:33 PM CST | Severe Thunderstorm Warning | SGF | Jasper, Newton | 42 min |
| Feb 28, 11:44 PM CST | Severe Thunderstorm Warning | SGF | Camden, Cedar, Dallas, Hickory, Polk, St. Clair | 46 min |
| Feb 28, 11:54 PM CST | Tornado Warning | SGF | Dallas, Laclede, Polk, Webster | 51 min |
| Feb 28, 11:58 PM CST | Severe Thunderstorm Warning | SGF | McDonald, Newton | 32 min |
| Feb 29, 12:05 AM CST | Severe Thunderstorm Warning | SGF | Lawrence | 25 min |
| Feb 29, 12:19 AM CST | Tornado Warning | SGF | Barry, McDonald | 56 min |
| Feb 29, 12:21 AM CST | Severe Thunderstorm Warning | SGF | Greene | 24 min |
| Feb 29, 12:31 AM CST | Tornado Warning | SGF | Laclede, Phelps, Pulaski | 44 min |
| Feb 29, 12:33 AM CST | Special Weather Statement | SGF | Camden, Maries, Miller | 27 min |
| Feb 29, 12:35 AM CST | Severe Thunderstorm Warning | SGF | Christian, Stone | 40 min |
| Feb 29, 12:43 AM CST | Severe Thunderstorm Warning | SGF | Webster, Wright | 47 min |
| Feb 29, 12:53 AM CST | Severe Thunderstorm Warning | SGF | Laclede, Texas, Wright | 67 min |
| Feb 29, 12:58 AM CST | Tornado Warning | SGF | Stone, Taney | 47 min |
| Feb 29, 1:02 AM CST | Severe Thunderstorm Warning | SGF | Douglas | 58 min |
| Feb 29, 1:06 AM CST | Tornado Warning | SGF | Dent, Phelps | 39 min |
| Feb 29, 1:25 AM CST | Severe Thunderstorm Warning | SGF | Texas, Wright | 65 min |
| Feb 29, 1:33 AM CST | Severe Thunderstorm Warning | SGF | Dent, Shannon, Texas | 57 min |
| Feb 29, 1:36 AM CST | Tornado Warning | SGF | Ozark | 54 min |
| Feb 29, 1:43 AM CST | Severe Thunderstorm Warning | SGF | Dent | 32 min |
| Feb 29, 1:51 AM CST | Tornado Warning | SGF | Douglas | 39 min |
| Feb 29, 2:06 AM CST | Tornado Warning | SGF | Howell | 39 min |
| Feb 29, 2:24 AM CST | Tornado Warning | SGF | Oregon, Shannon | 43 min |
| Feb 29, 3:21 AM CST | Severe Thunderstorm Warning | SGF | Howell | 17 min |
| Feb 29, 3:51 AM CST | Severe Thunderstorm Warning | SGF | Oregon | 28 min |
| Feb 29, 4:33 AM CST | Red Flag Warning | SGF | Barton, Jasper, Newton, Vernon | 13 hr |
| Feb 29, 3:43 PM CST | Fire Weather Watch | SGF | Barton, Jasper, McDonald, Newton, Vernon | 12 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2012Every severe thunderstorm warning in 2012
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.