Alert archive / Missouri / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 19, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 26, 2016, 1:29 PM CDT for Franklin County, Saint Charles County, Saint Louis County, Missouri. It was in force for 50 min. 14 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, 1:29 PM CDT (18:29 UTC)
- Expired
- Apr 26, 2016, 2:19 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Franklin County, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 12 km from the middle of the area, began a volume at 18:31 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, 1:35 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. |
| Apr 26, 1:40 PM CDT | TSTM WND DMG | 4 W Wildwood, MO | TREE DAMAGE NEAR ST. ALBANS NORTH OF HIGHWAY T. TIME APPROXIMATE. |
| Apr 26, 1:40 PM CDT | TSTM WND DMG | Chesterfield, MO | LARGE TREE UPROOTED |
| Apr 26, 1:41 PM CDT | HAIL 0.7 | Wildwood, MO | |
| Apr 26, 1:49 PM CDT | HAIL 0.7 | Weldon Spring, MO | |
| Apr 26, 1:52 PM CDT | TSTM WND GST 67 | 3 W Chesterfield, MO | |
| Apr 26, 1:52 PM CDT | HAIL 0.88 | Weldon Spring, MO | |
| Apr 26, 1:55 PM CDT | TSTM WND DMG | 1 Ese Weldon Spring, MO | WIDESPREAD TREE DAMAGE. FLAG POLE AND MAILBOX POLE SNAPPED IN HALF. LARGE TREE BLOWN OVER AND NUMEROUS LARGE BRANCES BLOWN DOWN. |
| Apr 26, 1:55 PM CDT | TSTM WND DMG | 1 Ese Weldon Spring, MO | WIDESPREAD TREE DAMAGE. FLAG POLE AND MAILBOX POLE SNAPPED IN HALF. LARGE TREE BLOWN OVER AND NUMEROUS LARGE BRANCES BLOWN DOWN. ONE LARGE BRANCH LANDED ON ROOF OF A HOUSE. |
| Apr 26, 1:55 PM CDT | TSTM WND GST 50 | Town And Country, MO | |
| Apr 26, 2:02 PM CDT | TSTM WND GST 50 | Manchester, MO | |
| Apr 26, 2:02 PM CDT | HAIL 0.5 | Manchester, MO | |
| Apr 26, 2:08 PM CDT | HAIL 1 | 1 Se Maryland Heights, MO | NEAR INTERSECTION OF PAGE AVENUE AND LINDBERGH BLVD. |
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, 6.5 hours before the alert went out and 253 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.
925
WUUS53 KLSX 261829
SVRLSX
MOC071-183-189-261930-
/O.NEW.KLSX.SV.W.0019.160426T1829Z-160426T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
129 PM CDT TUE APR 26 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
SOUTHWESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
EAST CENTRAL FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 230 PM CDT
* AT 129 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR WRIGHT CITY TO NEAR VILLA RIDGE...MOVING EAST AT
40 MPH.
HAZARD...70 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO
MOBILE HOMES...ROOFS...AND OUTBUILDINGS.
* LOCATIONS IMPACTED INCLUDE...
O'FALLON...ST. CHARLES...ST. PETERS...CHESTERFIELD...WILDWOOD...BALLWIN...
WENTZVILLE...KIRKWOOD...MARYLAND HEIGHTS...MANCHESTER...CREVE COEUR...
LAKE ST. LOUIS...BRIDGETON...DARDENNE PRAIRIE...TOWN AND COUNTRY...
ELLISVILLE...SUNSET HILLS...DES PERES...VALLEY PARK AND WELDON SPRING.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 44 IN MISSOURI BETWEEN EXITS 272 AND 276.
INTERSTATE 70 IN MISSOURI BETWEEN EXITS 203 AND 231.
THIS ALSO INCLUDES BABLER MEMORIAL STATE PARK...CASTLEWOOD STATE
PARK...AND FIRST MISSOURI STATE CAPITOL HISTORIC SITE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3853 9076 3855 9082 3853 9093 3855 9097
3882 9096 3883 9047 3851 9042
TIME...MOT...LOC 1829Z 277DEG 36KT 3889 9104 3850 9092
HAIL...<.75IN
WIND...70MPH
$$
KANOFSKY2 follow-up statements
296
WWUS53 KLSX 261854
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
154 PM CDT TUE APR 26 2016
MOC071-183-189-261930-
/O.CON.KLSX.SV.W.0019.000000T0000Z-160426T1930Z/
ST. LOUIS MO-ST. CHARLES MO-FRANKLIN MO-
154 PM CDT TUE APR 26 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR NORTHWESTERN ST. LOUIS...SOUTHWESTERN ST. CHARLES AND EAST
CENTRAL FRANKLIN COUNTIES...
AT 153 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ST. PAUL TO NEAR EUREKA...MOVING EAST AT 40 MPH.
HAZARD...70 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS. A 67 MPH WIND GUST WAS REPORTED
AT SPIRIT OF ST. LOUIS AIRPORT.
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE
HOMES...ROOFS...AND OUTBUILDINGS.
LOCATIONS IMPACTED INCLUDE...
O'FALLON...ST. CHARLES...ST. PETERS...CHESTERFIELD...WILDWOOD...BALLWIN...
WENTZVILLE...KIRKWOOD...MARYLAND HEIGHTS...MANCHESTER...CREVE COEUR...LAKE
ST. LOUIS...BRIDGETON...DARDENNE PRAIRIE...TOWN AND COUNTRY...ELLISVILLE...
SUNSET HILLS...DES PERES...VALLEY PARK AND WELDON SPRING.
THIS ALSO INCLUDES BABLER MEMORIAL STATE PARK...CASTLEWOOD STATE
PARK...AND FIRST MISSOURI STATE CAPITOL HISTORIC SITE.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 44 IN MISSOURI BETWEEN EXITS 272 AND 276.
INTERSTATE 70 IN MISSOURI BETWEEN EXITS 208 AND 231.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3853 9076 3855 9082 3854 9089 3882 9088
3883 9047 3851 9042
TIME...MOT...LOC 1853Z 277DEG 36KT 3886 9075 3847 9063
HAIL...<.75IN
WIND...70MPH
$$
KANOFSKY443
WWUS53 KLSX 261919
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
219 PM CDT TUE APR 26 2016
MOC071-183-189-261927-
/O.CAN.KLSX.SV.W.0019.000000T0000Z-160426T1930Z/
ST. LOUIS MO-ST. CHARLES MO-FRANKLIN MO-
219 PM CDT TUE APR 26 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ST. LOUIS...
SOUTHWESTERN ST. CHARLES AND EAST CENTRAL FRANKLIN COUNTIES IS
CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS...AND A
SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR PORTIONS OF
ST. LOUIS COUNTY AND ST. LOUIS CITY.
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 ST. LOUIS COUNTY AND ST. LOUIS CITY.
LAT...LON 3853 9076 3855 9082 3854 9089 3882 9088
3883 9047 3851 9042
TIME...MOT...LOC 1916Z 277DEG 36KT 3883 9046 3844 9034
$$
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, 1:38 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.