Alert archive / Missouri / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 346, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 18, 2011, 9:09 PM CDT for Boone County, Callaway County, Cole County, Missouri. It was in force for 66 min. 9 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
- Jun 18, 2011, 9:09 PM CDT (02:09 UTC)
- Expired
- Jun 18, 2011, 10:15 PM CDT
- In force
- 66 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Boone County, MO, Callaway County, MO, Cole County, MO
The radar
The St Louis radar (KLSX), 141 km from the middle of the area, began a volume at 02:12 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 |
|---|---|---|---|
| Jun 18, 9:20 PM CDT | HAIL 1.25 | 3 W Jefferson City, MO | ONE HALF DOLLAR SIZE HAIL 2.5 MILES WEST OF JEFFERSON CITY |
| Jun 18, 9:21 PM CDT | HAIL 1 | St. Martins, MO | |
| Jun 18, 9:22 PM CDT | HAIL 1.75 | Jefferson City, MO | QUARTER TO GOLFBALL SIZE HAIL BEGINNING TO COVER THE GROUND IN WESTVIEW HEIGHTS AREA. |
| Jun 18, 9:25 PM CDT | HAIL 1 | Jefferson City, MO | NORTHWEST SIDE OF JEFFERSON CITY. |
| Jun 18, 9:30 PM CDT | HAIL 1 | Jefferson City, MO | QUARTER SIZE HAIL ON WEST SIDE OF JEFFERSON CITY. |
| Jun 18, 9:33 PM CDT | HAIL 0.88 | 5 W New Bloomfield, MO | |
| Jun 18, 9:33 PM CDT | HAIL 1.25 | 1 W Jefferson City, MO | NICKLE TO ONE HALF DOLLAR SIZE HAIL ALONG WESTERN CITY LIMITS OF JEFFERSON CITY |
| Jun 18, 9:45 PM CDT | HAIL 0.75 | Guthrie, MO | |
| Jun 18, 10:11 PM CDT | HAIL 0.25 | Fulton, MO | STARTED AT 10 PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 8:26 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.2 hours before the alert went out and 242 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
- 4246 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1103 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 3.1
- Supercell composite
- 15.1
The text
As transmitted, in the capitals the NWS used until 2016.
227
WUUS53 KLSX 190209
SVRLSX
MOC019-027-051-190315-
/O.NEW.KLSX.SV.W.0346.110619T0209Z-110619T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
909 PM CDT SAT JUN 18 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BOONE COUNTY IN CENTRAL MISSOURI...
SOUTHWESTERN CALLAWAY COUNTY IN CENTRAL MISSOURI...
COLE COUNTY IN CENTRAL MISSOURI...
* UNTIL 1015 PM CDT
* AT 908 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
ST. MARTINS...OR 8 MILES WEST OF JEFFERSON CITY...AND MOVING NORTH
AT 30 MPH.
AT 905 PM CDT...LAW ENFORCEMENT REPORTED GOLF BALL SIZE HAIL TWO
MILES SOUTH OF JEFFERSON CITY.
* LOCATIONS IMPACTED INCLUDE...
JEFFERSON CITY...HOLTS SUMMIT...ASHLAND...FULTON...ST. MARTINS...
CENTERTOWN...LAKE MYKEE...NEW BLOOMFIELD...ELSTON...MARION...
HARTSBURG...WILTON...GUTHRIE AND CARRINGTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 3873 9239 3875 9240 3879 9238 3881 9238
3896 9235 3888 9181 3842 9222 3847 9247
TIME...MOT...LOC 0209Z 193DEG 25KT 3854 9233
WIND...HAIL 60MPH 1.75IN
$$
CVKING4 follow-up statements
257
WWUS53 KLSX 190216
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
916 PM CDT SAT JUN 18 2011
MOC019-027-051-190315-
/O.CON.KLSX.SV.W.0346.000000T0000Z-110619T0315Z/
BOONE MO-CALLAWAY MO-COLE MO-
916 PM CDT SAT JUN 18 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
COLE...SOUTHWESTERN CALLAWAY AND SOUTHEASTERN BOONE COUNTIES UNTIL
1015 PM CDT...
AT 912 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DESTRUCTIVE HAIL UP TO
TENNIS BALL SIZE...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS
STORM WAS LOCATED NEAR ST. MARTINS...OR 7 MILES WEST OF JEFFERSON
CITY...MOVING NORTH AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
JEFFERSON CITY...HOLTS SUMMIT...ASHLAND...FULTON...COLUMBIA...
CENTERTOWN...LAKE MYKEE...NEW BLOOMFIELD...ELSTON...MARION...
HARTSBURG...WILTON...GUTHRIE AND CARRINGTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 3851 9245 3873 9239 3875 9240 3879 9238
3881 9238 3896 9235 3888 9181 3846 9219
TIME...MOT...LOC 0216Z 199DEG 25KT 3859 9232
WIND...HAIL 60MPH 2.50IN
$$
CVKING356 WWUS53 KLSX 190226 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 926 PM CDT SAT JUN 18 2011 MOC019-027-051-190315- /O.CON.KLSX.SV.W.0346.000000T0000Z-110619T0315Z/ BOONE MO-CALLAWAY MO-COLE MO- 926 PM CDT SAT JUN 18 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN COLE...SOUTHWESTERN CALLAWAY AND SOUTHEASTERN BOONE COUNTIES UNTIL 1015 PM CDT... AT 924 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DESTRUCTIVE HAIL UP TO TENNIS BALL SIZE...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ST. MARTINS...OR 6 MILES NORTHWEST OF JEFFERSON CITY...MOVING NORTHEAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... HOLTS SUMMIT...ASHLAND...FULTON...LAKE MYKEE...NEW BLOOMFIELD... HARTSBURG...GUTHRIE AND CARRINGTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 3851 9216 3857 9238 3895 9226 3888 9181 TIME...MOT...LOC 0226Z 208DEG 27KT 3864 9225 WIND...HAIL 60MPH 2.50IN $$ CVKING
210 WWUS53 KLSX 190231 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 931 PM CDT SAT JUN 18 2011 MOC019-027-051-190315- /O.CON.KLSX.SV.W.0346.000000T0000Z-110619T0315Z/ BOONE MO-CALLAWAY MO-COLE MO- 931 PM CDT SAT JUN 18 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL COLE...SOUTHWESTERN CALLAWAY AND SOUTHEASTERN BOONE COUNTIES UNTIL 1015 PM CDT... AT 929 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR HOLTS SUMMIT...MOVING NORTHEAST AT 30 MPH. QUARTER TO GOLF BALL SIZE HAIL HAS COVERED THE GROUND IN PORTIONS OF JEFFERSON CITY. LOCATIONS IMPACTED INCLUDE... HOLTS SUMMIT...FULTON...LAKE MYKEE...NEW BLOOMFIELD...GUTHRIE AND CARRINGTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 3853 9214 3859 9229 3893 9212 3888 9181 TIME...MOT...LOC 0231Z 228DEG 27KT 3864 9218 WIND...HAIL 60MPH 1.75IN $$ CVKING
186 WWUS53 KLSX 190241 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 941 PM CDT SAT JUN 18 2011 MOC051-190252- /O.CAN.KLSX.SV.W.0346.000000T0000Z-110619T0315Z/ COLE MO- 941 PM CDT SAT JUN 18 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL COLE COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED NORTH OF THE WARNED AREA. LAT...LON 3860 9208 3866 9226 3893 9212 3888 9181 TIME...MOT...LOC 0242Z 211DEG 31KT 3874 9213 $$ MOC019-027-190315- /O.CON.KLSX.SV.W.0346.000000T0000Z-110619T0315Z/ BOONE MO-CALLAWAY MO- 941 PM CDT SAT JUN 18 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CALLAWAY AND SOUTHEASTERN BOONE COUNTIES UNTIL 1015 PM CDT... AT 937 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR LAKE MYKEE...OR NEAR HOLTS SUMMIT...MOVING NORTHEAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... FULTON...GUTHRIE AND CARRINGTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 3860 9208 3866 9226 3893 9212 3888 9181 TIME...MOT...LOC 0242Z 211DEG 31KT 3874 9213 WIND...HAIL 60MPH 1.75IN $$ CVKING
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:26 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Cole, Moniteau | 49 min |
| Jun 18, 9:29 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 46 min |
| Jun 18, 9:56 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway | 37 min |
| Jun 18, 10:11 PM CDT | Severe Thunderstorm Warning | LSX | Osage | 37 min |
| Jun 18, 10:23 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 25 min |
| Jun 18, 10:36 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Moniteau | 39 min |
| Jun 18, 10:53 PM CDT | Flash Flood Warning | LSX | Cole, Osage | 8 hr |
| Jun 18, 10:54 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Montgomery, Pike | 36 min |
| Jun 18, 10:59 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade, Osage | 46 min |
| Jun 18, 11:20 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Pike | 40 min |
| Jun 18, 11:29 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Warren | 32 min |
| Jun 18, 11:55 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 50 min |
| Jun 19, 12:13 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade | 47 min |
| Jun 19, 12:52 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Warren | 53 min |
| Jun 19, 1:08 AM CDT | Severe Thunderstorm Warning | LSX | Franklin | 32 min |
| Jun 19, 1:51 AM CDT | Severe Thunderstorm Warning | LSX | Crawford, Iron, Reynolds, Washington | 39 min |
| Jun 19, 1:59 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve | 46 min |
| Jun 19, 2:07 AM CDT | Severe Thunderstorm Warning | LSX | Lewis | 33 min |
| Jun 19, 2:25 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Jefferson, Madison, Reynolds, Sainte Genevieve, Saint Francois and 1 more | 50 min |
| Jun 19, 2:28 AM CDT | Tornado Warning | LSX | Iron, Sainte Genevieve, Saint Francois, Washington | 47 min |
| Jun 19, 2:36 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 39 min |
| Jun 19, 2:39 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Reynolds | 36 min |
| Jun 19, 2:56 AM CDT | Tornado Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 34 min |
| Jun 19, 3:00 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Reynolds | 60 min |
| Jun 19, 10:10 AM CDT | River Flood Warning | LSX | Boone, Callaway, Cole, Moniteau | 11 hr |
| Jun 19, 10:10 AM CDT | River Flood Warning | LSX | Saint Charles, Saint Louis | 11 hr |
| Jun 19, 2:48 PM CDT | River Flood Warning | LSX | Lewis | 68 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2011Every severe thunderstorm warning in 2011
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.