Alert archive / Missouri / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 39, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 21, 2017, 12:16 PM CDT for Cole County, Moniteau County, Missouri. It was in force for 44 min. 2 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
- Mar 21, 2017, 12:16 PM CDT (17:16 UTC)
- Expired
- Mar 21, 2017, 1:00 PM CDT
- In force
- 44 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Cole County, MO, Moniteau County, MO
The radar
The St Louis radar (KLSX), 138 km from the middle of the area, began a volume at 17:16 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 21, 12:20 PM CDT | HAIL 1.5 | 2 W Enon, MO | |
| Mar 21, 12:27 PM CDT | HAIL 1 | 2 S Russellville, MO | . |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 5.3 hours before the alert went out and 225 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
- 2 J/kg
- Mixed-layer CIN
- -659 J/kg
- Mixed-layer LCL
- 1255 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
978
WUUS53 KLSX 211716
SVRLSX
MOC051-135-211800-
/O.NEW.KLSX.SV.W.0039.170321T1716Z-170321T1800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
1216 PM CDT TUE MAR 21 2017
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Cole County in central Missouri...
Southeastern Moniteau County in central Missouri...
* Until 100 PM CDT.
* At 1216 PM CDT, a severe thunderstorm was located over High Point,
moving east at 30 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Jefferson City, Wardsville, St. Martins, Russellville, High Point,
Brazito, Hickory Hill, Lohman and Enon.
This also includes Jefferson Landing Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3864 9223 3862 9220 3860 9220 3859 9219
3856 9212 3854 9209 3846 9212 3848 9215
3847 9217 3844 9216 3842 9214 3839 9240
3843 9241 3843 9262 3850 9263
TIME...MOT...LOC 1716Z 254DEG 25KT 3848 9255
HAIL...1.00IN
WIND...<50MPH
$$
TES2 follow-up statements
282
WWUS53 KLSX 211737
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1237 PM CDT TUE MAR 21 2017
MOC135-211745-
/O.CAN.KLSX.SV.W.0039.000000T0000Z-170321T1800Z/
Moniteau MO-
1237 PM CDT TUE MAR 21 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONITEAU COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3864 9223 3862 9220 3860 9220 3859 9219
3856 9212 3854 9209 3846 9212 3848 9215
3847 9217 3844 9216 3842 9214 3839 9240
3843 9241 3856 9241
TIME...MOT...LOC 1735Z 265DEG 26KT 3846 9234
$$
MOC051-211800-
/O.CON.KLSX.SV.W.0039.000000T0000Z-170321T1800Z/
Cole MO-
1237 PM CDT TUE MAR 21 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT
FOR CENTRAL COLE COUNTY...
At 1235 PM CDT, a severe thunderstorm was located near Brazito,
moving east at 30 mph.
HAZARD...Ping pong ball size hail.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles.
Locations impacted include...
Wardsville, Brazito, and Hickory Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3864 9223 3862 9220 3860 9220 3859 9219
3856 9212 3854 9209 3846 9212 3848 9215
3847 9217 3844 9216 3842 9214 3839 9240
3843 9241 3856 9241
TIME...MOT...LOC 1735Z 265DEG 26KT 3846 9234
HAIL...1.50IN
WIND...<50MPH
$$
Byrd997
WWUS53 KLSX 211753
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1253 PM CDT TUE MAR 21 2017
MOC051-211803-
/O.EXP.KLSX.SV.W.0039.000000T0000Z-170321T1800Z/
Cole MO-
1253 PM CDT TUE MAR 21 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL COLE COUNTY WILL
EXPIRE AT 100 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However small hail is still possible with this
thunderstorm.
LAT...LON 3864 9223 3862 9220 3860 9220 3859 9219
3856 9212 3854 9209 3846 9212 3848 9215
3847 9217 3844 9216 3842 9214 3839 9240
3843 9241 3856 9241
TIME...MOT...LOC 1753Z 254DEG 25KT 3849 9220
$$
ByrdThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 12:09 PM CDT | Special Weather Statement | LSX | Cole | 51 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2017Every severe thunderstorm warning in 2017
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.