Alert archive / Missouri / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 21, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 26, 2016, 2:00 PM CDT for Saint Charles County, Saint Louis County, City of Saint Louis, Missouri; Madison County, Saint Clair County, Illinois. It was in force for 45 min. 5 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, 2:00 PM CDT (19:00 UTC)
- Expired
- Apr 26, 2016, 2:45 PM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Madison County, IL, Saint Clair County, IL, City of Saint Louis, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 38 km from the middle of the area, began a volume at 18:59 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, 2:08 PM CDT | HAIL 1 | 1 Se Maryland Heights, MO | NEAR INTERSECTION OF PAGE AVENUE AND LINDBERGH BLVD. |
| Apr 26, 2:10 PM CDT | TSTM WND DMG | Brentwood, MO | SEVERAL VERY LARGE TREES BLOWN DOWN. ONE TREE WAS UPROOTED. |
| Apr 26, 2:15 PM CDT | HAIL 0.88 | Bridgeton, MO | |
| Apr 26, 2:17 PM CDT | TSTM WND GST 60 | 1 Ssw Hazelwood, MO | |
| Apr 26, 2:19 PM CDT | TSTM WND DMG | Hazelwood, MO | MULTIPLE LIMBS DOWN OVER ROADWAYS AROUND 6 INCHES IN DIAMETER. TIME ESTIMATED FROM RADAR. |
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, 7.0 hours before the alert went out and 230 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.
194
WUUS53 KLSX 261900
SVRLSX
ILC119-163-MOC183-189-510-261945-
/O.NEW.KLSX.SV.W.0021.160426T1900Z-160426T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
200 PM CDT TUE APR 26 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN ST. CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...
SOUTHWESTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
CENTRAL ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
EAST CENTRAL ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
ST. LOUIS CITY IN EAST CENTRAL MISSOURI...
* UNTIL 245 PM CDT
* AT 200 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM LAKE ST. LOUIS TO TOWN AND COUNTRY TO NEAR ANTONIA...
MOVING EAST AT 45 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
ST. LOUIS...ST. CHARLES...FLORISSANT...UNIVERSITY CITY...GRANITE CITY...
KIRKWOOD...MARYLAND HEIGHTS...EAST ST. LOUIS...HAZELWOOD...WEBSTER
GROVES...FERGUSON...CREVE COEUR...OVERLAND...CLAYTON...CAHOKIA...
JENNINGS...ST. ANN...CRESTWOOD...BRIDGETON AND BELLEFONTAINE
NEIGHBORS.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 44 IN MISSOURI BETWEEN EXITS 276 AND 277.
INTERSTATE 70 IN MISSOURI NEAR EXIT 231.
THIS ALSO INCLUDES SCOTT JOPLIN HISTORIC SITE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3845 9008 3845 9018 3852 9026 3846 9028
3846 9042 3848 9042 3848 9041 3850 9040
3850 9044 3862 9045 3883 9049 3885 9014
3861 9008
TIME...MOT...LOC 1900Z 272DEG 39KT 3880 9076 3863 9048 3835 9052
HAIL...<.75IN
WIND...60MPH
$$
KANOFSKY3 follow-up statements
369
WWUS53 KLSX 261914
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
214 PM CDT TUE APR 26 2016
ILC119-163-MOC183-189-510-261945-
/O.CON.KLSX.SV.W.0021.000000T0000Z-160426T1945Z/
ST. CLAIR IL-MADISON IL-ST. LOUIS MO-ST. CHARLES MO-
ST. LOUIS CITY MO-
214 PM CDT TUE APR 26 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR NORTHWESTERN ST. CLAIR AND SOUTHWESTERN MADISON COUNTIES IN
SOUTHWESTERN ILLINOIS...CENTRAL ST. LOUIS...AND EAST CENTRAL ST.
CHARLES COUNTIES IN EAST CENTRAL MISSOURI AND ST. LOUIS CITY...
AT 213 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ST. PETERS TO RICHMOND HEIGHTS TO IMPERIAL...MOVING
EAST AT 45 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS REPORTED QUARTER SIZE HAIL IN
MARYLAND HEIGHTS.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
ST. LOUIS...ST. CHARLES...FLORISSANT...UNIVERSITY CITY...GRANITE CITY...
KIRKWOOD...MARYLAND HEIGHTS...EAST ST. LOUIS...HAZELWOOD...WEBSTER
GROVES...FERGUSON...CREVE COEUR...OVERLAND...CLAYTON...CAHOKIA...JENNINGS...
ST. ANN...CRESTWOOD...BRIDGETON AND BELLEFONTAINE NEIGHBORS.
THIS ALSO INCLUDES SCOTT JOPLIN HISTORIC SITE.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 44 IN MISSOURI BETWEEN EXITS 276 AND 277.
INTERSTATE 70 IN MISSOURI NEAR EXIT 231.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3845 9008 3845 9018 3852 9026 3846 9028
3846 9042 3848 9042 3848 9041 3850 9040
3850 9044 3862 9045 3883 9049 3885 9014
3861 9008
TIME...MOT...LOC 1913Z 272DEG 39KT 3880 9059 3863 9031 3835 9035
HAIL...1.00IN
WIND...60MPH
$$
KANOFSKY943
WWUS53 KLSX 261923
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
223 PM CDT TUE APR 26 2016
ILC119-163-MOC183-189-510-261945-
/O.CON.KLSX.SV.W.0021.000000T0000Z-160426T1945Z/
ST. CLAIR IL-MADISON IL-ST. LOUIS MO-ST. CHARLES MO-
ST. LOUIS CITY MO-
223 PM CDT TUE APR 26 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR NORTHWESTERN ST. CLAIR AND SOUTHWESTERN MADISON COUNTIES IN
SOUTHWESTERN ILLINOIS...CENTRAL ST. LOUIS...AND EAST CENTRAL ST.
CHARLES COUNTIES IN EAST CENTRAL MISSOURI AND ST. LOUIS CITY...
AT 223 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR BRIDGETON TO BROOKLYN TO NEAR FOUNTAIN...MOVING
EAST AT 45 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS. A 60 MPH WIND GUST WAS REPORTED
AT LAMBERT AIRPORT.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
ST. LOUIS...ST. CHARLES...FLORISSANT...UNIVERSITY CITY...GRANITE CITY...
KIRKWOOD...MARYLAND HEIGHTS...EAST ST. LOUIS...HAZELWOOD...WEBSTER
GROVES...FERGUSON...CREVE COEUR...OVERLAND...CLAYTON...CAHOKIA...JENNINGS...
ST. ANN...CRESTWOOD...BRIDGETON AND BELLEFONTAINE NEIGHBORS.
THIS ALSO INCLUDES SCOTT JOPLIN HISTORIC SITE.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 44 IN MISSOURI BETWEEN EXITS 276 AND 277.
INTERSTATE 70 IN MISSOURI NEAR EXIT 231.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3845 9008 3845 9018 3852 9026 3846 9028
3846 9042 3848 9042 3848 9041 3850 9040
3850 9044 3862 9045 3883 9049 3885 9014
3861 9008
TIME...MOT...LOC 1923Z 272DEG 39KT 3880 9046 3863 9018 3835 9022
HAIL...1.00IN
WIND...60MPH
$$
KANOFSKY107
WWUS53 KLSX 261941
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
241 PM CDT TUE APR 26 2016
ILC119-163-MOC183-189-510-261951-
/O.EXP.KLSX.SV.W.0021.000000T0000Z-160426T1945Z/
ST. CLAIR IL-MADISON IL-ST. LOUIS MO-ST. CHARLES MO-
ST. LOUIS CITY MO-
241 PM CDT TUE APR 26 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ST. CLAIR AND
SOUTHWESTERN MADISON COUNTIES IN SOUTHWESTERN ILLINOIS...CENTRAL ST.
LOUIS...AND EAST CENTRAL ST. CHARLES COUNTIES IN EAST CENTRAL
MISSOURI AND ST. LOUIS CITY WILL EXPIRE AT 245 PM CDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHWESTERN ILLINOIS...AND EAST CENTRAL MISSOURI.
LAT...LON 3845 9008 3845 9018 3852 9026 3846 9028
3846 9042 3848 9042 3848 9041 3850 9040
3850 9044 3862 9045 3883 9049 3885 9014
3861 9008
TIME...MOT...LOC 1940Z 272DEG 39KT 3880 9046 3863 9018 3835 9022
$$
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, 1:01 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Montgomery, Saint Charles, Warren and 1 more | 45 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, 2:27 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 48 min |
| Apr 26, 3:01 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison, Saint Clair, Washington | 31 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2016Severe Thunderstorm Warnings in Illinois, 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.