Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 88, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 15, 2012, 4:24 PM CDT for Boone County, Cole County, Moniteau County, Missouri. It was in force for 36 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
- Apr 15, 2012, 4:24 PM CDT (21:24 UTC)
- Expired
- Apr 15, 2012, 5:00 PM CDT
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Boone County, MO, Cole County, MO, Moniteau County, MO
The radar
The St Louis radar (KLSX), 154 km from the middle of the area, began a volume at 21:27 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 |
|---|---|---|---|
| Apr 15, 4:31 PM CDT | TSTM WND DMG | 1 W High Point, MO | LARGE CEDAR TREE WAS BLOWN OVER ONTO HIGHWAY C NEAR INTERSECTION WITH HIGHWAY CC. |
| Apr 15, 4:35 PM CDT | HAIL 0.5 | 5 S California, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.4 hours before the alert went out and 232 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
- 31 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 855 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 319 m²/s²
- 0-3 km storm-relative helicity
- 381 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
362
WUUS53 KLSX 152124
SVRLSX
MOC019-051-135-152200-
/O.NEW.KLSX.SV.W.0088.120415T2124Z-120415T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
424 PM CDT SUN APR 15 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN BOONE COUNTY IN CENTRAL MISSOURI...
WESTERN COLE COUNTY IN CENTRAL MISSOURI...
MONITEAU COUNTY IN CENTRAL MISSOURI...
* UNTIL 500 PM CDT
* AT 422 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ELDON...AND
MOVING NORTHEAST AT 90 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
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...
CALIFORNIA...ASHLAND...COLUMBIA...HIGH POINT...RUSSELLVILLE...
MCGIRK...CENTERTOWN...ST. MARTINS...JAMESTOWN...EASLEY...MIDWAY...
ENON...LATHAM...LOHMAN...ELSTON...KLIEVER...MARION...HARTSBURG...
SANDY HOOK AND WILTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3869 9265 3869 9262 3908 9243 3897 9214
3890 9217 3888 9215 3841 9240 3842 9241
3843 9263 3852 9274
TIME...MOT...LOC 2124Z 205DEG 76KT 3835 9262
HAIL...1.00IN
WIND...60 MPH
$$
TRUETT3 follow-up statements
629
WWUS53 KLSX 152138
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
438 PM CDT SUN APR 15 2012
MOC019-051-135-152200-
/O.CON.KLSX.SV.W.0088.000000T0000Z-120415T2200Z/
BOONE MO-COLE MO-MONITEAU MO-
438 PM CDT SUN APR 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MONITEAU...
NORTHWESTERN COLE AND SOUTHERN BOONE COUNTIES UNTIL 500 PM CDT...
AT 435 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CALIFORNIA...
AND MOVING NORTH AT 85 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
COLUMBIA...JAMESTOWN...EASLEY...MIDWAY...KLIEVER...MARION...SANDY
HOOK...WILTON...LUPUS AND MCBAINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3869 9265 3869 9262 3908 9243 3898 9219
3843 9251 3843 9263 3852 9274
TIME...MOT...LOC 2139Z 202DEG 74KT 3865 9252
HAIL...1.00IN
WIND...60 MPH
$$
TRUETT305
WWUS53 KLSX 152155
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
455 PM CDT SUN APR 15 2012
MOC051-135-152204-
/O.CAN.KLSX.SV.W.0088.000000T0000Z-120415T2200Z/
COLE MO-MONITEAU MO-
455 PM CDT SUN APR 15 2012
...THE SEVERE THUNDERSTORM WARNING FOR MONITEAU AND NORTHWESTERN COLE
COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3908 9243 3898 9219 3885 9233 3893 9251
TIME...MOT...LOC 2154Z 202DEG 74KT 3894 9237
$$
MOC019-152200-
/O.CON.KLSX.SV.W.0088.000000T0000Z-120415T2200Z/
BOONE MO-
455 PM CDT SUN APR 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL BOONE
COUNTY UNTIL 500 PM CDT...
AT 453 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COLUMBIA...AND
MOVING NORTH AT 85 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED...WITH SOME WEAKENING NOTED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
COLUMBIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3908 9243 3898 9219 3885 9233 3893 9251
TIME...MOT...LOC 2154Z 202DEG 74KT 3894 9237
HAIL...1.00IN
WIND...60 MPH
$$
TRUETT775 WWUS53 KLSX 152201 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 501 PM CDT SUN APR 15 2012 MOC019-152210- /O.EXP.KLSX.SV.W.0088.000000T0000Z-120415T2200Z/ BOONE MO- 501 PM CDT SUN APR 15 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BOONE COUNTY HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER...SMALL HAIL AND GUSTY WIND ARE STILL POSSIBLE WITH THIS THUNDERSTORM AS IT MOVES FROM COLUMBIA INTO THE HALLSVILLE....STURGEON...AND CENTRALIA AREAS BETWEEN 5 AND 515 PM. LAT...LON 3908 9243 3898 9219 3885 9233 3893 9251 TIME...MOT...LOC 2155Z 202DEG 74KT 3896 9236 $$ TRUETT
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 9:00 PM CDT | River Flood Warning | LSX | Franklin | 3 days |
| Apr 15, 3:50 AM CDT | Wind Advisory | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 18 more | 17 hr |
| Apr 15, 5:37 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Montgomery | 23 min |
| Apr 15, 6:47 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.