Alert archive / Missouri / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 18, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 26, 2016, 1:01 PM CDT for 7 counties in Missouri. It was in force for 45 min. 12 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 26, 2016, 1:01 PM CDT (18:01 UTC)
- Expired
- Apr 26, 2016, 1:46 PM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Crawford County, MO, Franklin County, MO, Gasconade County, MO, Montgomery County, MO, Saint Charles County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 43 km from the middle of the area, began a volume at 18:04 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 26, 1:05 PM CDT | TSTM WND GST 60 | 4 W Union, MO | ON U.S. HIGHWAY 50. |
| Apr 26, 1:12 PM CDT | TSTM WND GST 55 | Union, MO | NEAR INTERSECTION OF 47 50 IN SOUTHEAST SIDE OF TOWN. |
| Apr 26, 1:15 PM CDT | TSTM WND DMG | 2 N Augusta, MO | TREES BLOWN OVER ON HIGHWAY T NEAR HIGHWAY TT. SOME POWER LINES BLOWN DOWN. |
| Apr 26, 1:15 PM CDT | TSTM WND GST 45 | Warrenton, MO | |
| Apr 26, 1:20 PM CDT | TSTM WND DMG | Treloar, MO | DELAYED REPORT OF TREES DOWN NEAR TRELOAR. TIME ESTIMATED. |
| Apr 26, 1:22 PM CDT | TORNADO | 4 Wsw New Melle, MO | EF0 TORNADO TOUCHED DOWN BRIEFLY AT THE INTERSECTION OF MISSOURI HIGHWAYS D AND T IN EXTREME EASTERN ST. CHARLES COUNTY. MINOR TREE AND ROOF DAMAGE WAS OBSERVED. |
| Apr 26, 1:22 PM CDT | TORNADO | 4 Wsw New Melle, MO | EF0 TORNADO TOUCHED DOWN BRIEFLY AT THE INTERSECTION OF MISSOURI HIGHWAYS D AND T IN EXTREME WESTERN ST. CHARLES COUNTY. MINOR TREE AND ROOF DAMAGE WAS OBSERVED. |
| Apr 26, 1:25 PM CDT | TSTM WND DMG | Washington, MO | LARGE TREE LIMB DOWN. |
| Apr 26, 1:30 PM CDT | TSTM WND DMG | 10 N Dutzow, MO | NUMEROUS TREES DOWN |
| Apr 26, 1:30 PM CDT | HAIL 1 | Villa Ridge, MO | |
| Apr 26, 1:35 PM CDT | TSTM WND DMG | 1 N New Melle, MO | SEVERAL LARGE TREE LIMBS BLOWN DOWN NEAR INTERSECTION OF FORISTELL ROAD AND HIGHWAY Z. |
| Apr 26, 1:35 PM CDT | TSTM WND DMG | 2 Nw New Melle, MO | SEVERAL LARGE TREE LIMBS BLOWN DOWN. |
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 |
|---|---|---|---|
| Apr 26, 11:52 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.0 hours before the alert went out and 281 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
- 449 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
271
WUUS53 KLSX 261801
SVRLSX
MOC055-071-073-139-183-219-221-261900-
/O.NEW.KLSX.SV.W.0018.160426T1801Z-160426T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
101 PM CDT TUE APR 26 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
SOUTHWESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
SOUTHEASTERN GASCONADE COUNTY IN EAST CENTRAL MISSOURI...
FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
NORTHEASTERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
NORTHWESTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...
WARREN COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 200 PM CDT
* AT 101 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM JONESBURG TO NEAR GERALD TO 7 MILES SOUTH OF VIENNA...
MOVING EAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
O'FALLON...WENTZVILLE...LAKE ST. LOUIS...WASHINGTON...DARDENNE PRAIRIE...
UNION...WARRENTON...SULLIVAN...ST. CLAIR...WRIGHT CITY...NEW HAVEN...ST.
PAUL...BOURBON...VILLA RIDGE...GRAY SUMMIT...ANTHONIES MILL...GERALD...
MARTHASVILLE...JONESBURG AND TRUESDALE.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 44 IN MISSOURI BETWEEN EXITS 214 AND 253.
INTERSTATE 70 IN MISSOURI BETWEEN EXITS 183 AND 214.
THIS ALSO INCLUDES ONONDAGA CAVE STATE PARK...ROBERTSVILLE STATE
PARK...AND MERAMEC STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3824 9154 3835 9143 3892 9132 3890 9111
3887 9110 3887 9096 3888 9096 3886 9076
3820 9082 3799 9110
TIME...MOT...LOC 1801Z 287DEG 36KT 3885 9127 3836 9135 3808 9190
HAIL...1.00IN
WIND...60MPH
$$
KANOFSKY2 follow-up statements
418
WWUS53 KLSX 261834
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
134 PM CDT TUE APR 26 2016
MOC055-073-139-221-261843-
/O.CAN.KLSX.SV.W.0018.000000T0000Z-160426T1900Z/
MONTGOMERY MO-GASCONADE MO-CRAWFORD MO-WASHINGTON MO-
134 PM CDT TUE APR 26 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY...
SOUTHEASTERN GASCONADE...NORTHEASTERN CRAWFORD AND NORTHWESTERN
WASHINGTON COUNTIES IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR
EAST CENTRAL MISSOURI.
LAT...LON 3835 9112 3890 9111 3887 9110 3887 9096
3888 9096 3886 9076 3832 9081 3832 9095
TIME...MOT...LOC 1833Z 270DEG 36KT 3876 9088 3827 9096 3799 9151
$$
MOC071-183-219-261900-
/O.CON.KLSX.SV.W.0018.000000T0000Z-160426T1900Z/
ST. CHARLES MO-FRANKLIN MO-WARREN MO-
134 PM CDT TUE APR 26 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR SOUTHWESTERN ST. CHARLES...CENTRAL FRANKLIN AND SOUTHEASTERN
WARREN COUNTIES...
AT 133 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR NEW MELLE TO NEAR PARKWAY TO NEAR ST. JAMES...
MOVING EAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...TRAINED SPOTTERS REPORTED QUARTER SIZE HAIL IN VILLA RIDGE.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
O'FALLON...WENTZVILLE...LAKE ST. LOUIS...WASHINGTON...DARDENNE PRAIRIE...
UNION...WARRENTON...ST. CLAIR...WRIGHT CITY...ST. PAUL...GRAY SUMMIT...
VILLA RIDGE...MARTHASVILLE...INNSBROOK...NEW MELLE...PARKWAY...
JOSEPHVILLE...AUGUSTA...DUTZOW AND DEFIANCE.
THIS ALSO INCLUDES ROBERTSVILLE STATE PARK.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 44 IN MISSOURI BETWEEN EXITS 239 AND 253.
INTERSTATE 70 IN MISSOURI BETWEEN EXITS 199 AND 214.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3835 9112 3890 9111 3887 9110 3887 9096
3888 9096 3886 9076 3832 9081 3832 9095
TIME...MOT...LOC 1833Z 270DEG 36KT 3876 9088 3827 9096 3799 9151
HAIL...1.00IN
WIND...60MPH
$$
KANOFSKY680
WWUS53 KLSX 261846
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
146 PM CDT TUE APR 26 2016
MOC071-183-219-261855-
/O.CAN.KLSX.SV.W.0018.000000T0000Z-160426T1900Z/
ST. CHARLES MO-FRANKLIN MO-WARREN MO-
146 PM CDT TUE APR 26 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ST. CHARLES...
CENTRAL FRANKLIN AND SOUTHEASTERN WARREN COUNTIES IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER A SEVERE
THUNDERSTORM WARNING REMAINS IN EFFECT FOR PORTIONS OF FRANKLIN AND
ST. CHARLES COUNTIES.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR
EAST CENTRAL MISSOURI.
REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
PORTIONS OF FRANKLIN AND ST. CHARLES COUNTIES.
LAT...LON 3835 9112 3890 9111 3887 9110 3887 9096
3888 9096 3886 9076 3832 9081 3832 9095
TIME...MOT...LOC 1844Z 287DEG 36KT 3873 9074 3824 9082 3796 9137
$$
KANOFSKYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 10:52 AM CDT | Severe Thunderstorm Warning | LSX | Boone, Cole, Moniteau | 53 min |
| Apr 26, 11:23 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Monroe | 22 min |
| Apr 26, 11:37 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway, Cole, Moniteau, Monroe and 2 more | 53 min |
| Apr 26, 12:17 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Franklin, Gasconade, Lincoln, Montgomery and 2 more | 58 min |
| Apr 26, 1:29 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Saint Louis | 50 min |
| Apr 26, 1:38 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Louis | 27 min |
| Apr 26, 2:00 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 45 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2016Every severe thunderstorm warning in 2016
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.