Alert archive / Missouri / Tornado Warnings in 2023
Tornado Warning 13, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 15, 2023, 6:07 PM CDT for Franklin County, Jefferson County, Missouri. It was in force for 35 min. 9 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 15, 2023, 6:07 PM CDT (23:07 UTC)
- Expired
- Apr 15, 2023, 6:42 PM CDT
- In force
- 35 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Franklin County, MO, Jefferson County, MO
The radar
The St Louis radar (KLSX), 51 km from the middle of the area, began a volume at 23:07 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 15, 6:23 PM CDT | TSTM WND DMG | Hillsboro, MO | LARGE TREES LIMBS DOWN, SHINGLES OFF ROOF, WIND ESTIMATED 60-70 MPH. |
| Apr 15, 6:24 PM CDT | TORNADO | Hillsboro, MO | A WEAK EF0 TORNADO TRAVELED EAST THROUGH HILLSBORO, MO JUST NORTH OF MAIN STREET. TREE DAMAGE AND MINOR STRUCTURAL DAMAGE WAS NOTED ALONG THE 0.57 MILE PATH WITH A MAXIMUM WIND SPEED OF 77 MPH AND A MAXIMUM WIDTH OF 198 YARDS. |
| Apr 15, 6:25 PM CDT | TSTM WND DMG | Hillsboro, MO | FIRE CHIEF REPORTS MULTIPLE TREES SNAPPED, A CHURCH STEEPLE WITH THE GLASS BLOWN OUT, A FEW TREES INTO HOUSES, HEALTH DEPARTMENT HAD A WINDOW BLOWN OUT. |
| Apr 15, 6:30 PM CDT | TSTM WND DMG | Hillsboro, MO | SHINGLES OFF ROOFS, BRANCHES DOWN. |
| Apr 15, 6:30 PM CDT | TORNADO | 2 Wnw Festus, MO | A WEAK EF1 TORNADO FORMED AT 630 PM JUST NORTHEAST OF FESTUS ALONG OLD A HWY. IT MOVED NORTHEASTWARD WITH MINOR DAMAGE TO TREES AND STRUCTURES BEFORE LIFTING AND DISSIPATING IN DUNKIN-FLETCHER MEMORIAL PARK AT 635 PM. THE TORNADO HAD MAX WINDS OF 93 MPH AND A |
| Apr 15, 6:30 PM CDT | TORNADO | 2 Wnw Festus, MO | CORRECTS PREVIOUS TORNADO REPORT FROM 2 WNW FESTUS. A WEAK EF1 TORNADO FORMED AT 630 PM JUST NORTHEAST OF FESTUS ALONG OLD A HWY. IT MOVED NORTHEASTWARD WITH MINOR DAMAGE TO TREES AND STRUCTURES BEFORE LIFTING AND DISSIPATING IN DUNKIN-FLETCHER MEMORIAL PARK A |
| Apr 15, 6:34 PM CDT | HAIL 1 | 1 Sw Festus, MO | REPORT FROM MPING: QUARTER (1.00 IN.). |
| Apr 15, 6:40 PM CDT | TSTM WND DMG | Hillsboro, MO | TREES DOWN, POWER LINES DOWN, DEBRIS - MAIN STREET OF HILLSBORO. |
| Apr 15, 6:41 PM CDT | HAIL 1 | Hillsboro, 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 15, 12:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 15, 4:03 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.1 hours before the alert went out and 279 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
- 40 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1437 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
498
WFUS53 KLSX 152307
TORLSX
MOC071-099-160000-
/O.NEW.KLSX.TO.W.0013.230415T2307Z-230416T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
607 PM CDT Sat Apr 15 2023
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Northwestern Jefferson County in east central Missouri...
Southeastern Franklin County in east central Missouri...
* Until 700 PM CDT.
* At 607 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Richwoods, moving east at 25 mph.
HAZARD...Tornado and quarter 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...
Hillsboro and Cedar Hill Lakes around 625 PM CDT.
This also includes Sandy Creek Covered Bridge Historic Site.
This includes Interstate 55 in Missouri near exit 175.
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 3820 9078 3821 9083 3826 9087 3844 9051
3820 9040 3818 9076
TIME...MOT...LOC 2307Z 247DEG 24KT 3823 9078
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
MRB3 follow-up statements
382
WWUS53 KLSX 152318
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
618 PM CDT Sat Apr 15 2023
MOC071-152328-
/O.CAN.KLSX.TO.W.0013.000000T0000Z-230416T0000Z/
Franklin MO-
618 PM CDT Sat Apr 15 2023
...THE TORNADO WARNING FOR SOUTHEASTERN FRANKLIN COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for east central
Missouri.
LAT...LON 3820 9078 3832 9076 3844 9051 3820 9040
3818 9076
TIME...MOT...LOC 2318Z 248DEG 22KT 3825 9070
$$
MOC099-160000-
/O.CON.KLSX.TO.W.0013.000000T0000Z-230416T0000Z/
Jefferson MO-
618 PM CDT Sat Apr 15 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHWESTERN JEFFERSON COUNTY...
At 618 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Dittmer, moving east at 25 mph.
HAZARD...Tornado and quarter 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...
Hillsboro around 625 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Horine.
This also includes Sandy Creek Covered Bridge Historic Site.
This includes Interstate 55 in Missouri near exit 175.
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 3820 9078 3832 9076 3844 9051 3820 9040
3818 9076
TIME...MOT...LOC 2318Z 248DEG 22KT 3825 9070
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
MRB117
WWUS53 KLSX 152331
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
631 PM CDT Sat Apr 15 2023
MOC099-160000-
/O.CON.KLSX.TO.W.0013.000000T0000Z-230416T0000Z/
Jefferson MO-
631 PM CDT Sat Apr 15 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR CENTRAL
JEFFERSON COUNTY...
At 630 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hillsboro, moving northeast at 30 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Hillsboro around 635 PM CDT.
This also includes Sandy Creek Covered Bridge Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3831 9058 3839 9049 3820 9040 3820 9059
TIME...MOT...LOC 2330Z 247DEG 24KT 3828 9060
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Maples845
WWUS53 KLSX 152342 RRA
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
642 PM CDT Sat Apr 15 2023
MOC099-152352-
/O.CAN.KLSX.TO.W.0013.000000T0000Z-230416T0000Z/
Jefferson MO-
642 PM CDT Sat Apr 15 2023
...THE TORNADO WARNING FOR CENTRAL JEFFERSON COUNTY IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for east central
Missouri.
LAT...LON 3831 9058 3839 9049 3820 9040 3820 9059
TIME...MOT...LOC 2340Z 247DEG 24KT 3831 9050
$$
MaplesThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 3:48 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Montgomery, Warren | 42 min |
| Apr 15, 3:54 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 51 min |
| Apr 15, 4:28 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Montgomery, Warren | 47 min |
| Apr 15, 4:36 PM CDT | Tornado Warning | LSX | Crawford, Franklin, Gasconade | 39 min |
| Apr 15, 4:43 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 35 min |
| Apr 15, 4:55 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 50 min |
| Apr 15, 4:58 PM CDT | Areal Flood Advisory | LSX | Osage | 3 hr |
| Apr 15, 5:13 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Washington | 47 min |
| Apr 15, 5:28 PM CDT | Flash Flood Warning | LSX | Franklin | 5 hr |
| Apr 15, 5:31 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Louis | 44 min |
| Apr 15, 5:47 PM CDT | Areal Flood Advisory | LSX | Franklin, Gasconade | 3 hr |
| Apr 15, 5:52 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Louis, Washington | 38 min |
| Apr 15, 6:11 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 49 min |
| Apr 15, 6:13 PM CDT | Flash Flood Warning | LSX | Franklin | 4 hr |
| Apr 15, 6:17 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 43 min |
| Apr 15, 6:19 PM CDT | Tornado Warning | LSX | Saint Louis, City of Saint Louis | 41 min |
| Apr 15, 6:23 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 53 min |
| Apr 15, 6:27 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 52 min |
| Apr 15, 6:34 PM CDT | Tornado Warning | LSX | Jefferson | 41 min |
| Apr 15, 6:36 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 39 min |
| Apr 15, 6:39 PM CDT | Flash Flood Warning | LSX | Jefferson, Saint Louis | 4 hr |
| Apr 15, 6:39 PM CDT | Tornado Warning | LSX | Saint Louis, City of Saint Louis | 51 min |
Nearby
Tornado Warnings in Missouri, 2023Every tornado warning in 2023Tornadoes in 2023
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.