Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 57, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Mar 20, 2012, 6:13 PM CDT for Ozark County, Missouri. It was in force for 31 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
- Mar 20, 2012, 6:13 PM CDT (23:13 UTC)
- Expired
- Mar 20, 2012, 6:44 PM CDT
- In force
- 31 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 0.5 in
- Wind
- 60.0 mph
County Ozark County, MO
The radar
The Springfield radar (KSGF), 112 km from the middle of the area, began a volume at 23:15 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 11.2 hours before the alert went out and 128 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
- 660 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- -85 m²/s²
- 0-3 km storm-relative helicity
- 439 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
809
WUUS53 KSGF 202313
SVRSGF
MOC153-210000-
/O.NEW.KSGF.SV.W.0057.120320T2313Z-120321T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
613 PM CDT TUE MAR 20 2012
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
OZARK COUNTY IN SOUTHWEST MISSOURI...
* UNTIL 700 PM CDT.
* AT 610 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 13 MILES SOUTHWEST
OF UDALL TO 8 MILES SOUTH OF GAINESVILLE TO 6 MILES SOUTHEAST OF
PONTIAC...MOVING NORTH AT 40 MPH. THESE STORMS ARE CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.
* LOCATIONS IMPACTED INCLUDE BRIXEY...DORA...GAINESVILLE...
HARDENVILLE...ISABELLA...NOBLE...PONTIAC...ROCKBRIDGE...SUNDOWN...
SYCAMORE...TECUMSEH...THORNFIELD...UDALL...WASOLA...WILLHOIT AND
ZANONI.
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.
&&
LAT...LON 3649 9264 3681 9267 3679 9211 3673 9211
3649 9221
TIME...MOT...LOC 2313Z 184DEG 35KT 3641 9237 3652 9245
3649 9251
WIND...HAIL 60MPH <.50IN
$$
WISE2 follow-up statements
260
WWUS53 KSGF 202323
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
623 PM CDT TUE MAR 20 2012
MOC153-210000-
/O.CON.KSGF.SV.W.0057.000000T0000Z-120321T0000Z/
OZARK MO-
623 PM CDT TUE MAR 20 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR OZARK COUNTY...
AT 619 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES
SOUTHWEST OF UDALL TO GAINESVILLE TO 4 MILES WEST OF GAINESVILLE...
MOVING NORTH AT 60 MPH. THESE STORMS ARE CAPABLE OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH.
LOCATIONS IMPACTED INCLUDE BRIXEY...DORA...GAINESVILLE...
HARDENVILLE...NOBLE...ROCKBRIDGE...SYCAMORE...TECUMSEH...UDALL...
WASOLA...WILLHOIT AND ZANONI.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE ARE DANGEROUS STORMS CAPABLE OF PRODUCING DAMAGING WINDS...IF
YOU ARE IN THEIR PATH SEEK SHELTER INDOORS AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 3649 9243 3654 9260 3680 9263 3680 9229
3679 9211 3673 9211 3649 9221
TIME...MOT...LOC 2323Z 182DEG 51KT 3653 9235 3668 9242
3667 9250
WIND...HAIL 60MPH <.50IN
$$
WISE345
WWUS53 KSGF 202344
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
644 PM CDT TUE MAR 20 2012
MOC153-202354-
/O.CAN.KSGF.SV.W.0057.000000T0000Z-120321T0000Z/
OZARK MO-
644 PM CDT TUE MAR 20 2012
...THE SEVERE THUNDERSTORM WARNING FOR OZARK COUNTY IS CANCELLED...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE
THUNDERSTORMS THAT PROMPTED THE WARNING ARE EXITING THE WARNED
AREA...THUS THE WARNING HAS BEEN CANCELLED.
LAT...LON 3649 9243 3654 9260 3680 9263 3680 9229
3679 9211 3673 9211 3649 9221
TIME...MOT...LOC 2344Z 182DEG 51KT 3683 9234 3698 9241
3697 9249
$$
BOXELLThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 7:21 PM CDT | Areal Flood Warning | SGF | Jasper, McDonald, Newton | 12 hr |
| Mar 19, 9:16 PM CDT | Areal Flood Warning | SGF | Barton, Vernon | 10 hr |
| Mar 19, 9:21 PM CDT | River Flood Warning | SGF | Bates, Vernon | 9 days |
| Mar 19, 10:46 PM CDT | Special Weather Statement | SGF | Barry | 44 min |
| Mar 19, 11:21 PM CDT | Special Weather Statement | SGF | Stone | 24 min |
| Mar 19, 11:50 PM CDT | Special Weather Statement | SGF | Taney | 40 min |
| Mar 20, 12:09 AM CDT | Severe Thunderstorm Warning | SGF | Christian, Douglas, Greene, Webster | 41 min |
| Mar 20, 6:52 AM CDT | Areal Flood Warning | SGF | Barton, Jasper, McDonald, Newton, Vernon | 6 hr |
| Mar 20, 8:55 AM CDT | River Flood Warning | SGF | McDonald | 64 hr |
| Mar 20, 10:03 AM CDT | River Flood Warning | SGF | Stone | 63 hr |
| Mar 20, 1:01 PM CDT | Areal Flood Warning | SGF | McDonald, Newton | 22 hr |
| Mar 20, 4:48 PM CDT | Areal Flood Warning | SGF | Barton, Jasper, Vernon | 18 hr |
| Mar 20, 6:08 PM CDT | Special Weather Statement | SGF | Ozark | 37 min |
| Mar 20, 6:27 PM CDT | Severe Thunderstorm Warning | SGF | Douglas | 35 min |
| Mar 20, 6:44 PM CDT | Tornado Warning | SGF | Douglas | 18 min |
| Mar 20, 6:51 PM CDT | Severe Thunderstorm Warning | SGF | Wright | 39 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.