Alert archive / Missouri / Tornado Warnings in 2015
Tornado Warning 5, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 8, 2015, 3:40 PM CDT for 4 counties in Missouri. It was in force for 35 min. 16 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 8, 2015, 3:40 PM CDT (20:40 UTC)
- Expired
- Apr 8, 2015, 4:15 PM CDT
- In force
- 35 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
Counties Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 81 km from the middle of the area, began a volume at 20:43 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 8, 3:40 PM CDT | TSTM WND DMG | Potosi, MO | ROOF BLOWN OFF LIONS DEN IN POTOSI... RELAYED BY WASHINGTON COUNTY OFFICIAL. |
| Apr 8, 3:43 PM CDT | HAIL 0.7 | Potosi, MO | |
| Apr 8, 3:44 PM CDT | HAIL 0.7 | Potosi, MO | HIGH WIND... HEAVY RAIN... AND HAIL AT HWY E AND 21 INTERSECTION. |
| Apr 8, 3:45 PM CDT | HAIL 0.88 | Park Hills, MO | LASTED FOR AT LEAST 5 MINUTES. |
| Apr 8, 3:55 PM CDT | HAIL 1 | Potosi, MO | |
| Apr 8, 3:59 PM CDT | HAIL 1 | Potosi, MO | ALSO SMALL TREE LIMBS DOWN. |
| Apr 8, 4:00 PM CDT | HAIL 1.5 | Desloge, MO | |
| Apr 8, 4:00 PM CDT | HAIL 1.75 | Bonne Terre, MO | |
| Apr 8, 4:02 PM CDT | FUNNEL CLOUD | Park Hills, MO | OBSERVED WALL CLOUD FROM SOUTH OF PARK HILLS LOOKING NORTH. THERE WAS A BRIEF VIEWING OF A FUNNEL CLOUD. |
| Apr 8, 4:04 PM CDT | TSTM WND DMG | 1 E Potosi, MO | HOODS BLOWN OFF VEHICLES AT THE MODOT FACILITY JUST EAST OF POTOSI. |
| Apr 8, 4:09 PM CDT | HAIL 0.88 | Park Hills, MO | |
| Apr 8, 4:09 PM CDT | HAIL 1.75 | Park Hills, MO | MOSTLY NICKEL SIZED HAIL. THERE WAS ONE STONE THE SIZE OF A GOLF BALL. |
| Apr 8, 4:11 PM CDT | HAIL 1.75 | Desloge, MO | REPORT RELAYED FROM WFO PAH |
| Apr 8, 4:21 PM CDT | HAIL 0.25 | 1 N Potosi, MO | |
| Apr 8, 4:21 PM CDT | HAIL 0.25 | 2 N Leadington, MO | |
| Apr 8, 4:22 PM CDT | HAIL 0.88 | Desloge, MO | PEA TO NICKEL SIZE HAIL WITH WINDS AS HIGH AS 45 MPH ESTIMATED. |
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 8, 1:05 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.7 hours before the alert went out and 295 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
- 195 J/kg
- Mixed-layer CIN
- -238 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.7
The text
As transmitted, in the capitals the NWS used until 2016.
288
WFUS53 KLSX 082040
TORLSX
MOC099-186-187-221-082115-
/O.NEW.KLSX.TO.W.0005.150408T2040Z-150408T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
340 PM CDT WED APR 8 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTH CENTRAL JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
NORTHWESTERN STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI...
ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...
EAST CENTRAL WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 415 PM CDT
* AT 338 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR MINERAL POINT...AND MOVING EAST AT 45 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
LEADWOOD AROUND 345 PM CDT.
BONNE TERRE AND DESLOGE AROUND 350 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE BLACKWELL...VALLES MILL AND
FRENCH VILLAGE.
THIS WARNING INCLUDES MISSOURI MINES HISTORIC SITE AND ST. FRANCOIS
STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3807 9037 3782 9037 3786 9081 3805 9081
TIME...MOT...LOC 2040Z 266DEG 38KT 3795 9069
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
TRUETT2 follow-up statements
546
WWUS53 KLSX 082050
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
350 PM CDT WED APR 8 2015
MOC099-186-187-221-082115-
/O.CON.KLSX.TO.W.0005.000000T0000Z-150408T2115Z/
JEFFERSON MO-STE. GENEVIEVE MO-ST. FRANCOIS MO-WASHINGTON MO-
350 PM CDT WED APR 8 2015
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL WASHINGTON...
ST. FRANCOIS...NORTHWESTERN STE. GENEVIEVE AND SOUTH CENTRAL
JEFFERSON COUNTIES UNTIL 415 PM CDT...
AT 348 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MINERAL POINT...AND MOVING EAST AT 35 MPH.
HAZARD...TORNADO AND BASEBALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
LEADWOOD AROUND 355 PM CDT.
BONNE TERRE AND DESLOGE AROUND 400 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE VALLES MILL AND FRENCH
VILLAGE.
THIS WARNING INCLUDES MISSOURI MINES HISTORIC SITE AND ST. FRANCOIS
STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3807 9037 3782 9037 3786 9081 3805 9081
TIME...MOT...LOC 2050Z 268DEG 29KT 3795 9063
TORNADO...RADAR INDICATED
HAIL...2.75IN
$$
TRUETT518
WWUS53 KLSX 082103
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
403 PM CDT WED APR 8 2015
MOC099-221-082113-
/O.CAN.KLSX.TO.W.0005.000000T0000Z-150408T2115Z/
JEFFERSON MO-WASHINGTON MO-
403 PM CDT WED APR 8 2015
...THE TORNADO WARNING FOR EAST CENTRAL WASHINGTON AND SOUTH CENTRAL
JEFFERSON COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3785 9064 3802 9064 3802 9061 3801 9063
3802 9052 3802 9037 3782 9037
TIME...MOT...LOC 2103Z 286DEG 28KT 3790 9051
$$
MOC186-187-082115-
/O.CON.KLSX.TO.W.0005.000000T0000Z-150408T2115Z/
STE. GENEVIEVE MO-ST. FRANCOIS MO-
403 PM CDT WED APR 8 2015
...A TORNADO WARNING REMAINS IN EFFECT FOR ST. FRANCOIS AND WEST
CENTRAL STE. GENEVIEVE COUNTIES UNTIL 415 PM CDT...
AT 400 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BONNE TERRE...AND MOVING EAST AT 35 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF ST. FRANCOIS
AND WEST CENTRAL STE. GENEVIEVE COUNTIES.
THIS WARNING INCLUDES MISSOURI MINES HISTORIC SITE AND ST. FRANCOIS
STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3785 9064 3802 9064 3802 9061 3801 9063
3802 9052 3802 9037 3782 9037
TIME...MOT...LOC 2103Z 286DEG 28KT 3790 9051
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 9:23 AM CDT | River Flood Warning | LSX | Jefferson | 4 days |
| Apr 8, 11:33 AM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 42 min |
| Apr 8, 12:36 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Cole, Osage | 39 min |
| Apr 8, 12:46 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway | 44 min |
| Apr 8, 1:07 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 38 min |
| Apr 8, 1:11 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Montgomery, Osage, Warren | 34 min |
| Apr 8, 1:33 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade | 27 min |
| Apr 8, 1:43 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Warren, Washington | 47 min |
| Apr 8, 2:23 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade | 52 min |
| Apr 8, 2:26 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Jefferson, Washington | 49 min |
| Apr 8, 3:05 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Iron, Jefferson, Washington | 55 min |
| Apr 8, 3:07 PM CDT | Tornado Warning | LSX | Crawford, Washington | 23 min |
| Apr 8, 3:20 PM CDT | Tornado Warning | LSX | Jefferson, Saint Francois, Washington | 25 min |
| Apr 8, 3:24 PM CDT | Flash Flood Watch | LSX | Boone, Callaway, Cole, Crawford, Franklin, Gasconade and 11 more | 31 hr |
| Apr 8, 3:59 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 31 min |
| Apr 8, 4:20 PM CDT | Areal Flood Advisory | LSX | Washington | 4 hr |
| Apr 8, 4:26 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 34 min |
| Apr 8, 4:53 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 37 min |
| Apr 8, 4:57 PM CDT | Flash Flood Warning | LSX | Sainte Genevieve, Saint Francois, Washington | 4 hr |
| Apr 8, 5:05 PM CDT | Tornado Warning | LSX | Madison, Sainte Genevieve, Saint Francois | 25 min |
| Apr 8, 5:25 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois, Washington | 22 min |
| Apr 8, 5:28 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Sainte Genevieve, Saint Francois | 47 min |
| Apr 8, 5:50 PM CDT | Flash Flood Warning | LSX | Sainte Genevieve, Saint Francois | 3 hr |
| Apr 8, 6:14 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Sainte Genevieve, Saint Francois | 46 min |
| Apr 8, 6:27 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway, Moniteau, Monroe | 33 min |
| Apr 8, 6:56 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Monroe, Shelby | 49 min |
Nearby
Tornado Warnings in Missouri, 2015Every tornado warning in 2015Tornadoes in 2015
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.