Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 14, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 27, 2021, 5:36 PM CDT for Crawford County, Washington County, Missouri. 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
- Mar 27, 2021, 5:36 PM CDT (22:36 UTC)
- Expired
- Mar 27, 2021, 6:04 PM CDT
- In force
- 28 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Crawford County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 22:37 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 |
|---|---|---|---|
| Mar 27, 5:54 PM CDT | HAIL 0.25 | 2 S Cuba, MO | PEA SIZED HAIL AND 30 MPH WIND. |
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 |
|---|---|---|---|
| Mar 27, 4:44 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 10.6 hours before the alert went out and 262 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1633 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 312 m²/s²
- 0-3 km storm-relative helicity
- 312 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
569
WUUS53 KLSX 272236
SVRLSX
MOC055-221-272330-
/O.NEW.KLSX.SV.W.0014.210327T2236Z-210327T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
536 PM CDT Sat Mar 27 2021
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Northern Crawford County in east central Missouri...
Northern Washington County in east central Missouri...
* Until 630 PM CDT.
* At 536 PM CDT, a severe thunderstorm was located near Cuba, moving
northeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Sullivan, Cuba, Steelville, Bourbon, Anthonies Mill, Leasburg,
Richwoods and St. Cloud.
This includes Interstate 44 in Missouri between exits 203 and 218.
This also includes Onondaga Cave State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3790 9152 3809 9153 3821 9125 3820 9078
3812 9070
TIME...MOT...LOC 2236Z 240DEG 28KT 3802 9144
HAIL...1.00IN
WIND...60MPH
$$
CVKING2 follow-up statements
106
WWUS53 KLSX 272246
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
546 PM CDT Sat Mar 27 2021
MOC055-221-272330-
/O.CON.KLSX.SV.W.0014.000000T0000Z-210327T2330Z/
Crawford MO-Washington MO-
546 PM CDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHERN CRAWFORD AND NORTHERN WASHINGTON COUNTIES...
At 546 PM CDT, a severe thunderstorm was located over Cuba, moving
northeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Sullivan, Cuba, Steelville, Bourbon, Anthonies Mill, Leasburg,
Richwoods and St. Cloud.
This also includes Onondaga Cave State Park.
This includes Interstate 44 in Missouri between exits 203 and 218.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3795 9142 3806 9150 3821 9125 3820 9078
3813 9071
TIME...MOT...LOC 2246Z 240DEG 28KT 3806 9135
HAIL...1.00IN
WIND...60MPH
$$
CVKING868
WWUS53 KLSX 272304
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
604 PM CDT Sat Mar 27 2021
MOC055-221-272314-
/O.CAN.KLSX.SV.W.0014.000000T0000Z-210327T2330Z/
Crawford MO-Washington MO-
604 PM CDT Sat Mar 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN CRAWFORD AND NORTHERN
WASHINGTON COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However small hail and
heavy rain are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Missouri.
LAT...LON 3795 9142 3806 9150 3821 9125 3820 9078
3813 9071
TIME...MOT...LOC 2302Z 240DEG 28KT 3813 9119
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 4:16 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Saint Charles, Warren | 44 min |
| Mar 27, 4:23 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Pike | 52 min |
| Mar 27, 4:52 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 38 min |
| Mar 27, 5:24 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade | 15 min |
| Mar 27, 5:26 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 38 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2021Every severe thunderstorm warning 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.