Alert archive / Missouri / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 30, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 27, 2016, 8:48 PM CDT for Adams County, Illinois; Lewis County, Marion County, Missouri. It was in force for 42 min. 4 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 27, 2016, 8:48 PM CDT (01:48 UTC)
- Expired
- Apr 27, 2016, 9:30 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Adams County, IL, Lewis County, MO, Marion County, MO
The radar
The St Louis radar (KLSX), 166 km from the middle of the area, began a volume at 01:48 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 27, 9:00 PM CDT | TSTM WND DMG | 1 W Maywood, MO | MAJOR ROOF DAMAGE TO A HOUSE JUST WEST OF MAYWOOD ON HIGHWAY O. |
| Apr 27, 9:00 PM CDT | TSTM WND DMG | 1 W Maywood, MO | MAJOR ROOF DAMAGE TO A HOUSE JUST WEST OF MAYWOOD ON HIGHWAY O. TRACTOR TRAILER BLOWN OVER. GRAIN BIN WRAPPED AROUND TREES. |
| Apr 27, 9:22 PM CDT | HAIL 1.75 | La Grange, MO | |
| Apr 27, 9:24 PM CDT | HAIL 1.75 | Canton, MO |
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 27, 2:33 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.8 hours before the alert went out and 198 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 595 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 338 m²/s²
- 0-3 km storm-relative helicity
- 343 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
743
WUUS53 KLSX 280148
SVRLSX
ILC001-MOC111-127-280230-
/O.NEW.KLSX.SV.W.0030.160428T0148Z-160428T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
848 PM CDT WED APR 27 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
SOUTHEASTERN LEWIS COUNTY IN NORTHEASTERN MISSOURI...
NORTHWESTERN MARION COUNTY IN NORTHEASTERN MISSOURI...
* UNTIL 930 PM CDT
* AT 848 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MAYWOOD...
MOVING NORTHEAST AT 25 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
QUINCY...CANTON...LA GRANGE...EWING...MAYWOOD...URSA...TAYLOR AND MEYER.
THIS ALSO INCLUDES WAKONDA STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR WEST CENTRAL
ILLINOIS...AND NORTHEASTERN MISSOURI.
LAT...LON 4020 9143 3997 9131 3984 9177 3996 9185
TIME...MOT...LOC 0148Z 240DEG 22KT 3993 9169
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
CARNEY1 follow-up statement
789
WWUS53 KLSX 280206
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
906 PM CDT WED APR 27 2016
MOC127-280215-
/O.CAN.KLSX.SV.W.0030.000000T0000Z-160428T0230Z/
MARION MO-
906 PM CDT WED APR 27 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MARION COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR WEST CENTRAL
ILLINOIS...AND NORTHEASTERN MISSOURI.
LAT...LON 4020 9143 3997 9131 3995 9144 3995 9170
4000 9175
TIME...MOT...LOC 0205Z 233DEG 27KT 4001 9158
$$
ILC001-MOC111-280230-
/O.CON.KLSX.SV.W.0030.000000T0000Z-160428T0230Z/
ADAMS IL-LEWIS MO-
906 PM CDT WED APR 27 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NORTHWESTERN ADAMS AND SOUTHEASTERN LEWIS COUNTIES...
AT 905 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MAYWOOD...MOVING
NORTHEAST AT 30 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT WIND
DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
QUINCY...CANTON...LA GRANGE...EWING...MAYWOOD...URSA AND MEYER.
THIS ALSO INCLUDES WAKONDA STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR WEST CENTRAL
ILLINOIS...AND NORTHEASTERN MISSOURI.
LAT...LON 4020 9143 3997 9131 3995 9144 3995 9170
4000 9175
TIME...MOT...LOC 0205Z 233DEG 27KT 4001 9158
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
CARNEYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 9:15 PM CDT | Tornado Warning | LSX | Adams | 30 min |
| Apr 27, 9:24 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 38 min |
| Apr 27, 9:45 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 35 min |
| Apr 27, 10:25 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 50 min |
| Apr 27, 10:26 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin, Madison | 34 min |
| Apr 27, 10:34 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 41 min |
| Apr 27, 10:59 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 23 min |
| Apr 27, 7:23 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 37 min |
| Apr 27, 7:39 PM CDT | Tornado Warning | LSX | Lewis, Marion | 36 min |
| Apr 27, 7:39 PM CDT | Tornado Warning | LSX | Knox | 21 min |
| Apr 27, 7:46 PM CDT | Severe Thunderstorm Warning | LSX | Knox, Shelby | 44 min |
| Apr 27, 7:59 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 46 min |
| Apr 27, 8:23 PM CDT | Tornado Warning | LSX | Lewis, Marion, Shelby | 37 min |
| Apr 27, 8:30 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 30 min |
| Apr 27, 9:56 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson | 34 min |
| Apr 28, 9:53 AM CDT | River Flood Warning | LSX | Callaway, Osage | 8 days |
| Apr 28, 9:53 AM CDT | River Flood Warning | LSX | Gasconade, Montgomery | 8 days |
| Apr 28, 9:53 AM CDT | River Flood Warning | LSX | Gasconade, Montgomery | 6 days |
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.