Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 335, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Oct 22, 2012, 6:56 AM CDT for Pike County, Ralls County, Missouri; Adams County, Pike County, Illinois. It was in force for 49 min. 1 report 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
- Oct 22, 2012, 6:56 AM CDT (11:56 UTC)
- Expired
- Oct 22, 2012, 7:45 AM CDT
- In force
- 49 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Adams County, IL, Pike County, IL, Pike County, MO, Ralls County, MO
The radar
The St Louis radar (KLSX), 120 km from the middle of the area, began a volume at 11:58 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 |
|---|---|---|---|
| Oct 22, 7:42 AM CDT | HAIL 0.5 | 2 N Pittsfield, IL |
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 00:00Z, 11.9 hours before the alert went out and 217 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
- 20 J/kg
- Mixed-layer CIN
- -405 J/kg
- Mixed-layer LCL
- 1138 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
747
WUUS53 KLSX 221156
SVRLSX
ILC001-149-MOC163-173-221245-
/O.NEW.KLSX.SV.W.0335.121022T1156Z-121022T1245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
656 AM CDT MON OCT 22 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
PIKE COUNTY IN WEST CENTRAL ILLINOIS...
NORTHWESTERN PIKE COUNTY IN NORTHEAST MISSOURI...
NORTHEASTERN RALLS COUNTY IN NORTHEAST MISSOURI...
* UNTIL 745 AM CDT
* AT 655 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NEW
LONDON...AND MOVING NORTHEAST AT 40 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
* LOCATIONS IMPACTED INCLUDE...
PITTSFIELD...BARRY...BEVERLY...ILASCO...SAVERTON...ASHBURN...
SEEHORN...HULL...KINDERHOOK...NEW CANTON...ROCKPORT...PLAINVILLE...
EL DARA...RICHFIELD...NEW HARTFORD...KINGSTON...BAYLIS...NEW SALEM
AND FISHHOOK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3985 9092 3984 9090 3961 9071 3940 9144
3968 9154 3969 9130 3976 9135 3987 9092
TIME...MOT...LOC 1156Z 240DEG 37KT 3956 9134
HAIL...1.00IN
WIND...<50 MPH
$$
GLASS2 follow-up statements
433
WWUS53 KLSX 221219
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
719 AM CDT MON OCT 22 2012
MOC173-221229-
/O.CAN.KLSX.SV.W.0335.000000T0000Z-121022T1245Z/
RALLS MO-
719 AM CDT MON OCT 22 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN RALLS COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3985 9092 3984 9090 3961 9071 3946 9129
3956 9127 3960 9121 3960 9118 3963 9124
3969 9128 3980 9120 3987 9092
TIME...MOT...LOC 1219Z 240DEG 37KT 3968 9107
$$
ILC001-149-MOC163-221245-
/O.CON.KLSX.SV.W.0335.000000T0000Z-121022T1245Z/
PIKE IL-ADAMS IL-PIKE MO-
719 AM CDT MON OCT 22 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
ADAMS AND PIKE COUNTIES IN WEST CENTRAL ILLINOIS...AND NORTH CENTRAL
PIKE COUNTY IN NORTHEAST MISSOURI UNTIL 745 AM CDT...
AT 715 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST
OF BARRY...AND MOVING NORTHEAST AT 45 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
LOCATIONS IMPACTED INCLUDE...
PITTSFIELD...BARRY...BEVERLY...EL DARA...RICHFIELD...NEW HARTFORD...
KINGSTON...BAYLIS...NEW SALEM AND FISHHOOK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3985 9092 3984 9090 3961 9071 3946 9129
3956 9127 3960 9121 3960 9118 3963 9124
3969 9128 3980 9120 3987 9092
TIME...MOT...LOC 1219Z 240DEG 37KT 3968 9107
HAIL...1.00IN
WIND...<50 MPH
$$
GLASS969
WWUS53 KLSX 221231
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
731 AM CDT MON OCT 22 2012
MOC163-221241-
/O.CAN.KLSX.SV.W.0335.000000T0000Z-121022T1245Z/
PIKE MO-
731 AM CDT MON OCT 22 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PIKE COUNTY IN
NORTHEAST MISSOURI IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3985 9092 3984 9090 3961 9071 3953 9109
3962 9115 3983 9109 3984 9107 3987 9092
TIME...MOT...LOC 1231Z 240DEG 37KT 3974 9093
$$
ILC001-149-221245-
/O.CON.KLSX.SV.W.0335.000000T0000Z-121022T1245Z/
PIKE IL-ADAMS IL-
731 AM CDT MON OCT 22 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
ADAMS AND CENTRAL PIKE COUNTIES IN WEST CENTRAL ILLINOIS UNTIL 745 AM
CDT...
AT 730 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BEVERLY...AND
MOVING NORTHEAST AT 45 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
LOCATIONS IMPACTED INCLUDE...
PITTSFIELD...NEW SALEM AND FISHHOOK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3985 9092 3984 9090 3961 9071 3953 9109
3962 9115 3983 9109 3984 9107 3987 9092
TIME...MOT...LOC 1231Z 240DEG 37KT 3974 9093
HAIL...1.00IN
WIND...<50 MPH
$$
GLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 22, 6:20 AM CDT | Severe Thunderstorm Warning | LSX | Lewis, Marion | 55 min |
| Oct 22, 2:04 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 24 min |
| Oct 22, 7:43 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 47 min |
| Oct 22, 9:30 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin | 45 min |
| Oct 22, 10:34 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 41 min |
| Oct 22, 11:38 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison, Saint Clair | 37 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2012Severe Thunderstorm Warnings in Illinois, 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.