Alert archive / Missouri / Tornado Warnings in 2020
Tornado Warning 5, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Mar 28, 2020, 12:03 PM CDT for Iron County, Washington County, Missouri. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2020, 12:03 PM CDT (17:03 UTC)
- Expired
- Mar 28, 2020, 12:45 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Iron County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 108 km from the middle of the area, began a volume at 17:02 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 5.1 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
- 857 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1192 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 321 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 8.2
The text
As transmitted.
076
WFUS53 KLSX 281703
TORLSX
MOC093-221-281745-
/O.NEW.KLSX.TO.W.0005.200328T1703Z-200328T1745Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1203 PM CDT Sat Mar 28 2020
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Northwestern Iron County in southeastern Missouri...
Southern Washington County in east central Missouri...
* Until 1245 PM CDT.
* At 1202 PM CDT, a severe thunderstorm capable of producing a
tornado was located over Bixby, moving northeast at 60 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.
* This dangerous storm will be near...
Potosi around 1225 PM CDT.
Irondale and Mineral Point around 1230 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Belgrade and Caledonia.
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 3774 9115 3774 9110 3777 9110 3800 9064
3772 9065 3762 9115
TIME...MOT...LOC 1702Z 239DEG 51KT 3769 9109
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Byrd2 follow-up statements
000
WWUS53 KLSX 281715
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1215 PM CDT Sat Mar 28 2020
MOC093-281725-
/O.CAN.KLSX.TO.W.0005.000000T0000Z-200328T1745Z/
Iron MO-
1215 PM CDT Sat Mar 28 2020
...THE TORNADO WARNING FOR NORTHWESTERN IRON COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 3777 9110 3800 9064 3773 9065 3774 9110
TIME...MOT...LOC 1715Z 239DEG 63KT 3778 9090
$$
MOC221-281745-
/O.CON.KLSX.TO.W.0005.000000T0000Z-200328T1745Z/
Washington MO-
1215 PM CDT Sat Mar 28 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR SOUTHERN
WASHINGTON COUNTY...
At 1215 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles east of Courtois, moving northeast at 75 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.
This dangerous storm will be near...
Potosi, Irondale and Mineral Point around 1225 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Belgrade and Caledonia.
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 3777 9110 3800 9064 3773 9065 3774 9110
TIME...MOT...LOC 1715Z 239DEG 63KT 3778 9090
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Byrd000
WWUS53 KLSX 281736
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1236 PM CDT Sat Mar 28 2020
MOC221-281745-
/O.EXP.KLSX.TO.W.0005.000000T0000Z-200328T1745Z/
Washington MO-
1236 PM CDT Sat Mar 28 2020
...THE TORNADO WARNING FOR SOUTHERN WASHINGTON COUNTY WILL EXPIRE AT
1245 PM CDT...
The storm which prompted the warning has weakened and moved out of
the area. Therefore, the warning will be allowed to expire. However
small hail and gusty winds are still possible with this thunderstorm.
LAT...LON 3777 9110 3800 9064 3773 9065 3774 9110
TIME...MOT...LOC 1735Z 239DEG 51KT 3792 9060
$$
ByrdThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 8:59 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Franklin, Gasconade, Osage | 46 min |
| Mar 27, 9:50 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Cole, Moniteau | 40 min |
| Mar 27, 10:21 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Osage | 39 min |
| Mar 27, 10:53 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Franklin, Gasconade, Montgomery, Osage, Warren | 41 min |
| Mar 27, 11:20 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Saint Charles, Warren | 40 min |
| Mar 27, 11:43 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 47 min |
| Mar 28, 11:59 AM CDT | Severe Thunderstorm Warning | LSX | Crawford, Iron, Washington | 46 min |
| Mar 28, 12:45 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 21 min |
| Mar 28, 3:23 PM CDT | Wind Advisory | LSX | Audrain, Boone, Callaway, Knox, Lewis, Lincoln and 10 more | 26 hr |
Nearby
Tornado Warnings in Missouri, 2020Every tornado warning in 2020Tornadoes in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.