Alert archive / Missouri / Tornado Warnings in 2015
Tornado Warning 40, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jul 8, 2015, 7:02 PM CDT for Jefferson County, Sainte Genevieve County, Missouri; Monroe County, Illinois. It was in force for 28 min. 1 report 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
- Jul 8, 2015, 7:02 PM CDT (00:02 UTC)
- Expired
- Jul 8, 2015, 7:30 PM CDT
- In force
- 28 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Monroe County, IL, Jefferson County, MO, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 72 km from the middle of the area, began a volume at 00:05 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 |
|---|---|---|---|
| Jul 8, 7:06 PM CDT | TORNADO | 7 Se Festus, 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 |
|---|---|---|---|
| Jul 8, 6:05 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.0 hours before the alert went out and 266 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 456 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
559
WFUS53 KLSX 090002
TORLSX
ILC133-MOC099-186-090030-
/O.NEW.KLSX.TO.W.0040.150709T0002Z-150709T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
702 PM CDT WED JUL 8 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN MONROE COUNTY IN SOUTHWESTERN ILLINOIS...
SOUTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
NORTHWESTERN STE. GENEVIEVE COUNTY IN SOUTHEASTERN MISSOURI...
* UNTIL 730 PM CDT
* AT 702 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR OLYMPIAN VILLAGE...MOVING NORTHEAST AT 25
MPH.
HAZARD...TORNADO.
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.
* LOCATIONS IMPACTED INCLUDE...
WATERLOO...MAEYSTOWN...FULTS...BURKSVILLE...MADONNAVILLE...KIDD...
CHALFIN BRIDGE...WARTBURG...RENAULT AND MONROE CITY.
THIS INCLUDES INTERSTATE 55 IN MISSOURI NEAR EXIT 170.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3804 9036 3814 9042 3832 9018 3816 9004
TIME...MOT...LOC 0002Z 235DEG 22KT 3810 9036
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BYRD2 follow-up statements
750
WWUS53 KLSX 090013
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
713 PM CDT WED JUL 8 2015
MOC186-090023-
/O.CAN.KLSX.TO.W.0040.000000T0000Z-150709T0030Z/
STE. GENEVIEVE MO-
713 PM CDT WED JUL 8 2015
...THE TORNADO WARNING FOR NORTHWESTERN STE. GENEVIEVE COUNTY IS
CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR SOUTHWESTERN
ILLINOIS AND SOUTHEASTERN MISSOURI.
LAT...LON 3809 9030 3818 9034 3832 9018 3816 9004
3811 9024 3813 9025 3812 9025 3811 9026
3811 9028 3809 9029
TIME...MOT...LOC 0013Z 235DEG 22KT 3814 9028
$$
ILC133-MOC099-090030-
/O.CON.KLSX.TO.W.0040.000000T0000Z-150709T0030Z/
MONROE IL-JEFFERSON MO-
713 PM CDT WED JUL 8 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHWESTERN MONROE AND SOUTHEASTERN JEFFERSON COUNTIES...
AT 713 PM CDT...A CONFIRMED TORNADO WAS LOCATED 8 MILES SOUTHEAST OF
CRYSTAL CITY...AND IS NEARLY STATIONARY.
HAZARD...DAMAGING TORNADO.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.
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.
LOCATIONS IMPACTED INCLUDE...
WATERLOO...MAEYSTOWN...FULTS...BURKSVILLE...CHALFIN BRIDGE...WARTBURG
AND RENAULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3809 9030 3818 9034 3832 9018 3816 9004
3811 9024 3813 9025 3812 9025 3811 9026
3811 9028 3809 9029
TIME...MOT...LOC 0013Z 235DEG 22KT 3814 9028
TORNADO...OBSERVED
HAIL...<.75IN
$$
BYRD184
WWUS53 KLSX 090026
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
726 PM CDT WED JUL 8 2015
ILC133-MOC099-090035-
/O.EXP.KLSX.TO.W.0040.000000T0000Z-150709T0030Z/
MONROE IL-JEFFERSON MO-
726 PM CDT WED JUL 8 2015
...THE TORNADO WARNING FOR SOUTHWESTERN MONROE AND SOUTHEASTERN
JEFFERSON COUNTIES WILL EXPIRE AT 730 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER HEAVY RAIN
IS STILL POSSIBLE WITH THIS THUNDERSTORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR SOUTHWESTERN
ILLINOIS AND SOUTHEASTERN MISSOURI.
LAT...LON 3809 9030 3818 9034 3832 9018 3816 9004
3811 9024 3813 9025 3812 9025 3811 9026
3811 9028 3809 9029
TIME...MOT...LOC 0025Z 235DEG 22KT 3814 9028
$$
BYRDThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 7:36 PM CDT | River Flood Warning | LSX | Cole | 43 hr |
| Jul 8, 7:38 PM CDT | Tornado Warning | LSX | Franklin | 37 min |
| Jul 8, 7:49 PM CDT | Tornado Warning | LSX | Crawford | 26 min |
| Jul 8, 8:11 PM CDT | River Flood Warning | LSX | Marion | 46 hr |
| Jul 8, 8:11 PM CDT | River Flood Warning | LSX | Monroe | 58 hr |
| Jul 8, 8:27 PM CDT | Areal Flood Advisory | LSX | Saint Charles | 3 hr |
| Jul 8, 10:01 PM CDT | River Flood Warning | LSX | Boone, Callaway, Cole, Moniteau | 3 days |
| Jul 8, 10:50 PM CDT | River Flood Warning | LSX | Marion | 27 hr |
| Jul 9, 3:35 AM CDT | Flash Flood Watch | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 18 more | 27 hr |
| Jul 9, 8:19 AM CDT | River Flood Warning | LSX | Ralls | 41 hr |
Nearby
Tornado Warnings in Missouri, 2015Tornado Warnings in Illinois, 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.