Alert archive / Missouri / Tornado Warnings in 2021
Tornado Warning 18, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jun 26, 2021, 1:37 PM CDT for Calhoun County, Illinois; Lincoln County, Pike County, Missouri. It was in force for 38 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
- Jun 26, 2021, 1:37 PM CDT (18:37 UTC)
- Expired
- Jun 26, 2021, 2:15 PM CDT
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Calhoun County, IL, Lincoln County, MO, Pike County, MO
The radar
The St Louis radar (KLSX), 67 km from the middle of the area, began a volume at 18:40 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 |
|---|---|---|---|
| Jun 26, 2:04 PM CDT | TSTM WND DMG | 3 Nne Hamburg, IL | COUNTY DISPATCH REPORTS TREES DOWN ON A NUMBER ROADS ACROSS THE NORTHERN PORTION OF THE COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.6 hours before the alert went out and 201 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
- 683 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 684 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.1
The text
As transmitted.
676
WFUS53 KLSX 261837
TORLSX
ILC013-MOC113-163-261915-
/O.NEW.KLSX.TO.W.0018.210626T1837Z-210626T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
137 PM CDT Sat Jun 26 2021
The National Weather Service in St Louis has issued a
* Tornado Warning for...
North central Calhoun County in southwestern Illinois...
North central Lincoln County in east central Missouri...
Southeastern Pike County in northeastern Missouri...
* Until 215 PM CDT.
* At 137 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Elsberry, moving northeast at 30 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...
Belleview.
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 3939 9061 3938 9062 3935 9062 3930 9060
3928 9060 3926 9061 3924 9060 3915 9094
3921 9099 3940 9072
TIME...MOT...LOC 1837Z 234DEG 27KT 3920 9090
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
CVKING3 follow-up statements
108
WWUS53 KLSX 261848
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
148 PM CDT Sat Jun 26 2021
ILC013-MOC113-163-261915-
/O.CON.KLSX.TO.W.0018.000000T0000Z-210626T1915Z/
Calhoun IL-Lincoln MO-Pike MO-
148 PM CDT Sat Jun 26 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR NORTH
CENTRAL CALHOUN COUNTY IN SOUTHWESTERN ILLINOIS...NORTH CENTRAL
LINCOLN COUNTY IN EAST CENTRAL MISSOURI AND SOUTHEASTERN PIKE
COUNTIES IN NORTHEASTERN MISSOURI...
At 148 PM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Belleview to near
Elsberry, moving northeast at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Kampsville, Hamburg, Annada, Mozier and Michael.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3939 9061 3938 9062 3935 9062 3930 9060
3928 9060 3926 9061 3924 9060 3916 9090
3929 9088 3929 9087
TIME...MOT...LOC 1848Z 241DEG 31KT 3929 9083 3919 9082
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
CVKING966
WWUS53 KLSX 261901
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
201 PM CDT Sat Jun 26 2021
MOC113-163-261911-
/O.CAN.KLSX.TO.W.0018.000000T0000Z-210626T1915Z/
Lincoln MO-Pike MO-
201 PM CDT Sat Jun 26 2021
...THE TORNADO WARNING FOR NORTH CENTRAL LINCOLN COUNTY IN EAST
CENTRAL MISSOURI AND SOUTHEASTERN PIKE COUNTIES IN NORTHEASTERN
MISSOURI IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 3934 9061 3931 9061 3929 9060 3926 9061
3924 9060 3921 9072 3926 9073 3928 9073
3936 9062
TIME...MOT...LOC 1901Z 247DEG 29KT 3925 9068
$$
ILC013-261915-
/O.CON.KLSX.TO.W.0018.000000T0000Z-210626T1915Z/
Calhoun IL-
201 PM CDT Sat Jun 26 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR NORTH
CENTRAL CALHOUN COUNTY...
At 201 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hardin, moving northeast at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Kampsville, Hamburg and Michael.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3934 9061 3931 9061 3929 9060 3926 9061
3924 9060 3921 9072 3926 9073 3928 9073
3936 9062
TIME...MOT...LOC 1901Z 247DEG 29KT 3925 9068
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
CVKING634
WWUS53 KLSX 261913
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
213 PM CDT Sat Jun 26 2021
ILC013-261923-
/O.EXP.KLSX.TO.W.0018.000000T0000Z-210626T1915Z/
Calhoun IL-
213 PM CDT Sat Jun 26 2021
...THE TORNADO WARNING FOR NORTH CENTRAL CALHOUN COUNTY WILL EXPIRE
AT 215 PM CDT...
The storm which prompted the warning has exited the warned area and
shows less rotation. Therefore, the warning will be allowed to
expire.
LAT...LON 3934 9061 3931 9061 3929 9060 3926 9061
3924 9060 3921 9072 3926 9073 3928 9073
3936 9062
TIME...MOT...LOC 1913Z 234DEG 27KT 3930 9059
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:15 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 45 min |
| Jun 25, 7:32 PM CDT | Flash Flood Warning | LSX | Adams, Pike | 6 hr |
| Jun 25, 9:29 PM CDT | Flash Flood Warning | LSX | Calhoun, Greene, Jersey | 6 hr |
| Jun 26, 1:25 AM CDT | Areal Flood Warning | LSX | Adams, Pike | 14 hr |
| Jun 26, 3:29 AM CDT | Areal Flood Warning | LSX | Calhoun, Greene, Jersey | 9 hr |
| Jun 26, 11:44 AM CDT | River Flood Warning | LSX | Madison | 7 days |
| Jun 26, 12:13 PM CDT | River Flood Warning | LSX | Jackson, Randolph | 9 days |
| Jun 26, 1:22 PM CDT | Tornado Warning | LSX | Greene | 15 min |
| Jun 26, 2:09 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 51 min |
| Jun 25, 7:20 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Warren | 40 min |
| Jun 25, 7:50 PM CDT | Flash Flood Warning | LSX | Lincoln, Montgomery, Saint Charles, Warren | 6 hr |
| Jun 25, 8:00 PM CDT | Flash Flood Warning | LSX | Audrain, Montgomery, Pike, Ralls | 6 hr |
| Jun 25, 8:11 PM CDT | Flash Flood Warning | LSX | Boone, Callaway, Cole, Montgomery, Osage, Warren | 4 hr |
| Jun 25, 9:43 PM CDT | Flash Flood Warning | LSX | Lincoln, Montgomery, Saint Charles, Warren | 4 hr |
| Jun 25, 11:32 PM CDT | River Flood Warning | LSX | Marion | 11 hr |
| Jun 26, 12:43 AM CDT | Flash Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Gasconade, Moniteau and 5 more | 6 hr |
| Jun 26, 12:55 AM CDT | River Flood Warning | LSX | Cole | 35 hr |
| Jun 26, 1:48 AM CDT | Flash Flood Warning | LSX | Franklin, Gasconade, Lincoln, Montgomery, Saint Charles, Warren | 6 hr |
| Jun 26, 6:25 AM CDT | Areal Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Gasconade, Moniteau and 4 more | 11 hr |
| Jun 26, 7:34 AM CDT | Areal Flood Warning | LSX | Franklin, Gasconade, Lincoln, Montgomery, Saint Charles, Warren | 8 hr |
| Jun 26, 11:42 AM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 8 days |
| Jun 26, 3:22 PM CDT | Areal Flood Warning | LSX | Lincoln | 2 hr |
Nearby
Tornado Warnings in Missouri, 2021Tornado Warnings in Illinois, 2021Every tornado warning in 2021Tornadoes in 2021
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.