Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 90, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Apr 30, 2012, 12:46 AM CDT for Crawford County, Kansas; Barton County, Vernon County, Missouri. It was in force for 16 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 30, 2012, 12:46 AM CDT (05:46 UTC)
- Expired
- Apr 30, 2012, 1:02 AM CDT
- In force
- 16 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Crawford County, KS, Barton County, MO, Vernon County, MO
The radar
The Springfield radar (KSGF), 105 km from the middle of the area, began a volume at 05:46 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 29, 8:04 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 5.8 hours before the alert went out and 91 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
- 913 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 985 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 177 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
673
WUUS53 KSGF 300546
SVRSGF
KSC037-MOC011-217-300630-
/O.NEW.KSGF.SV.W.0090.120430T0546Z-120430T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1246 AM CDT MON APR 30 2012
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CRAWFORD COUNTY IN SOUTHEAST KANSAS...
BARTON COUNTY IN SOUTHWEST MISSOURI...
EXTREME SOUTHEASTERN VERNON COUNTY IN WEST CENTRAL MISSOURI...
* UNTIL 130 AM CDT
* AT 1242 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
PITTSBURG...AND MOVING EAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
* LOCATIONS IMPACTED INCLUDE...
FRONTENAC...ARMA...VERDELLA...LAMAR...MULBERRY...MINDENMINES...
LIBERAL...SHELDON...GOLDEN CITY...FRANKLIN...OPOLIS...CROWEBURG...
YALE...BURGESS...OSKALOOSA...NASHVILLE...HANNON...IANTHA...OAKTON
AND BOSTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3765 9461 3766 9407 3735 9409 3737 9462
3734 9462 3734 9476 3734 9478 3747 9480
TIME...MOT...LOC 0545Z 260DEG 36KT 3739 9470
HAIL...0.75IN
WIND...60 MPH
$$
KARDELL1 follow-up statement
948
WWUS53 KSGF 300602
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
102 AM CDT MON APR 30 2012
KSC037-MOC011-217-300612-
/O.CAN.KSGF.SV.W.0090.000000T0000Z-120430T0630Z/
CRAWFORD KS-BARTON MO-VERNON MO-
102 AM CDT MON APR 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN VERNON...
BARTON AND SOUTHEASTERN CRAWFORD COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
LAT...LON 3765 9461 3766 9407 3735 9409 3737 9462
3734 9462 3734 9476 3734 9478 3747 9480
TIME...MOT...LOC 0602Z 260DEG 36KT 3742 9449
$$
KARDELLThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 9:03 PM CDT | Severe Thunderstorm Warning | SGF | Bourbon | 57 min |
| Apr 29, 9:47 PM CDT | Flash Flood Warning | SGF | Bourbon, Crawford | 9 hr |
| Apr 29, 11:17 PM CDT | Severe Thunderstorm Warning | SGF | Cherokee, Crawford | 43 min |
| Apr 29, 11:57 PM CDT | Severe Thunderstorm Warning | SGF | Bourbon, Cherokee, Crawford | 48 min |
| Apr 30, 12:05 AM CDT | Severe Thunderstorm Warning | SGF | Cherokee, Crawford | 25 min |
| Apr 30, 12:47 AM CDT | Flash Flood Warning | SGF | Cherokee, Crawford | 6 hr |
| Apr 30, 12:57 AM CDT | Special Weather Statement | SGF | Cherokee | 48 min |
| Apr 30, 6:54 AM CDT | Areal Flood Warning | SGF | Bourbon, Cherokee, Crawford | 12 hr |
| Apr 30, 9:36 AM CDT | River Flood Warning | SGF | Bourbon | 66 hr |
| Apr 29, 8:08 PM CDT | River Flood Warning | SGF | Vernon | 6 days |
| Apr 29, 9:50 PM CDT | River Flood Warning | SGF | Cedar | 3 days |
| Apr 30, 1:11 AM CDT | Special Weather Statement | SGF | Cedar | 49 min |
| Apr 30, 2:55 AM CDT | Areal Flood Advisory | SGF | Benton, Camden, Hickory, Miller, Morgan | 16 hr |
| Apr 30, 6:47 AM CDT | River Flood Warning | SGF | Vernon | 5 days |
| Apr 30, 9:36 AM CDT | River Flood Warning | SGF | Bates, Vernon | 48 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2012Severe Thunderstorm Warnings in Kansas, 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.