Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 187, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 2, 2012, 2:38 PM CDT for Franklin County, Gasconade County, Warren County, Missouri. It was in force for 37 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
- Jul 2, 2012, 2:38 PM CDT (19:38 UTC)
- Expired
- Jul 2, 2012, 3:15 PM CDT
- In force
- 37 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Franklin County, MO, Gasconade County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 60 km from the middle of the area, began a volume at 19:39 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
Lincoln, IL (KILX), launched 12:00Z, 7.6 hours before the alert went out and 289 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
- 2475 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1566 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
593
WUUS53 KLSX 021938
SVRLSX
MOC071-073-219-022015-
/O.NEW.KLSX.SV.W.0187.120702T1938Z-120702T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
238 PM CDT MON JUL 2 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
GASCONADE COUNTY IN EAST CENTRAL MISSOURI...
SOUTHWESTERN WARREN COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 315 PM CDT
* AT 235 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST
OF HERMANN...AND MOVING EAST AT 5 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...
NEW HAVEN AND BERGER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST
LOUIS.
&&
LAT...LON 3871 9142 3872 9142 3872 9141 3875 9122
3854 9117 3854 9144 3871 9147
TIME...MOT...LOC 1938Z 260DEG 5KT 3863 9139
HAIL...1.00IN
WIND...60 MPH
$$
GOSSELIN2 follow-up statements
034
WWUS53 KLSX 021955
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
255 PM CDT MON JUL 2 2012
MOC071-073-219-022015-
/O.CON.KLSX.SV.W.0187.000000T0000Z-120702T2015Z/
FRANKLIN MO-GASCONADE MO-WARREN MO-
255 PM CDT MON JUL 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
WARREN...GASCONADE AND NORTHWESTERN FRANKLIN COUNTIES UNTIL 315 PM
CDT...
AT 254 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES SOUTHEAST
OF HERMANN...AND MOVING EAST AT 5 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
NEW HAVEN AND BERGER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST
LOUIS.
&&
LAT...LON 3871 9146 3871 9142 3872 9142 3872 9141
3875 9122 3854 9117 3855 9138
TIME...MOT...LOC 1955Z 260DEG 5KT 3863 9136
HAIL...1.00IN
WIND...60 MPH
$$
GOSSELIN153
WWUS53 KLSX 022013
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
313 PM CDT MON JUL 2 2012
MOC071-073-219-022023-
/O.EXP.KLSX.SV.W.0187.000000T0000Z-120702T2015Z/
FRANKLIN MO-GASCONADE MO-WARREN MO-
313 PM CDT MON JUL 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WARREN...
GASCONADE AND NORTHWESTERN FRANKLIN COUNTIES WILL EXPIRE AT 315 PM
CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
LAT...LON 3871 9146 3871 9142 3872 9142 3872 9141
3875 9122 3854 9117 3855 9138
TIME...MOT...LOC 2013Z 260DEG 5KT 3863 9133
$$
GOSSELINThe 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, 2:39 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 |
| Jul 2, 6:39 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 51 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.