Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 192, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 2, 2012, 6:39 PM CDT for Marion County, Shelby County, Missouri. It was in force for 51 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
- Jul 2, 2012, 6:39 PM CDT (23:39 UTC)
- Expired
- Jul 2, 2012, 7:30 PM CDT
- In force
- 51 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Marion County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 146 km from the middle of the area, began a volume at 23:41 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 |
|---|---|---|---|
| Jul 2, 6:41 PM CDT | HAIL 0.5 | Hunnewell, MO | ALONG WITH VERY HEAVY RAIN |
| Jul 2, 7:10 PM CDT | TSTM WND GST 50 | 2 E Warren, MO | 40-50MPH WINDS AND TORRENTIAL RAIN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.7 hours before the alert went out and 233 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
- 1703 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1766 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
680
WUUS53 KLSX 022339
SVRLSX
MOC127-205-030030-
/O.NEW.KLSX.SV.W.0192.120702T2339Z-120703T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
639 PM CDT MON JUL 2 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN MARION COUNTY IN NORTHEAST MISSOURI...
SOUTHEASTERN SHELBY COUNTY IN NORTHEAST MISSOURI...
* UNTIL 730 PM CDT
* AT 637 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES WEST OF
MONROE CITY...AND MOVING NORTH AT 10 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...
WARREN AND PHILADELPHIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3983 9156 3968 9169 3968 9172 3967 9171
3966 9172 3966 9194 3988 9180
TIME...MOT...LOC 2339Z 202DEG 7KT 3968 9184
HAIL...1.00IN
WIND...60 MPH
$$
TRUETT3 follow-up statements
812
WWUS53 KLSX 030008
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
708 PM CDT MON JUL 2 2012
MOC127-205-030030-
/O.CON.KLSX.SV.W.0192.000000T0000Z-120703T0030Z/
MARION MO-SHELBY MO-
708 PM CDT MON JUL 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
SHELBY AND SOUTHWESTERN MARION COUNTIES UNTIL 730 PM CDT...
AT 703 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WARREN...AND
MOVING NORTHEAST AT 15 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED. ALTHOUGH THERE HAS BEEN A SLIGHT
DECREASE IN THE HAIL AND WIND POTENTIAL...THIS STORM
WILL BE PRODUCING TORRENTIAL DOWNPOURS.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
WARREN AND PHILADELPHIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3983 9156 3968 9169 3968 9172 3967 9171
3966 9172 3966 9194 3988 9180
TIME...MOT...LOC 0008Z 227DEG 12KT 3974 9175
HAIL...1.00IN
WIND...60 MPH
$$
TRUETT752
WWUS53 KLSX 030023
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
723 PM CDT MON JUL 2 2012
MOC205-030029-
/O.CAN.KLSX.SV.W.0192.000000T0000Z-120703T0030Z/
SHELBY MO-
723 PM CDT MON JUL 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHELBY COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3983 9156 3968 9169 3968 9172 3967 9171
3966 9172 3966 9185 3981 9184 3988 9180
TIME...MOT...LOC 0019Z 227DEG 12KT 3977 9172
$$
MOC127-030030-
/O.CON.KLSX.SV.W.0192.000000T0000Z-120703T0030Z/
MARION MO-
723 PM CDT MON JUL 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
MARION COUNTY UNTIL 730 PM CDT...
AT 716 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES EAST OF
WARREN...AND MOVING NORTHEAST AT 15 MPH. A SECOND INTENSE STORM WAS
JUST SOUTHWEST OF PHILADELPHIA...ALSO MOVING NORTHEAST.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED. TORRENTIAL DOWNPOUR ARE OCCURRING.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
PHILADELPHIA...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3983 9156 3968 9169 3968 9172 3967 9171
3966 9172 3966 9185 3981 9184 3988 9180
TIME...MOT...LOC 0019Z 227DEG 12KT 3977 9172
HAIL...0.75IN
WIND...60 MPH
$$
TRUETT836
WWUS53 KLSX 030032
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
732 PM CDT MON JUL 2 2012
MOC127-030041-
/O.EXP.KLSX.SV.W.0192.000000T0000Z-120703T0030Z/
MARION MO-
732 PM CDT MON JUL 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MARION 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 HEAVY RAIN WILL OCCUR...AND GUSTY WINDS ARE POSSIBLE...
AS THIS CLUSTER OF STORMS DRIFTS NORTHEAST ACROSS THE PHILADELPHIA
AREA THROUGH 8 PM.
LAT...LON 3983 9156 3968 9169 3968 9172 3967 9171
3966 9172 3966 9185 3981 9184 3988 9180
TIME...MOT...LOC 0023Z 220DEG 11KT 3976 9176
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 2:34 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 26 min |
| Jul 2, 2:38 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Warren | 37 min |
| Jul 2, 2:39 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 36 min |
| Jul 2, 3:40 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade | 21 min |
| Jul 2, 3:59 PM CDT | Heat Advisory | LSX | Knox, Lewis, Marion, Monroe, Ralls, Shelby | 5 days |
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.