Alert archive / Missouri / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 162, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 16, 2017, 2:17 PM CDT for Callaway County, Cole County, Osage County, Missouri. It was in force for 43 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
- Aug 16, 2017, 2:17 PM CDT (19:17 UTC)
- Expired
- Aug 16, 2017, 3:00 PM CDT
- In force
- 43 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Callaway County, MO, Cole County, MO, Osage County, MO
The radar
The St Louis radar (KLSX), 128 km from the middle of the area, began a volume at 19:20 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 |
|---|---|---|---|
| Aug 16, 2:30 PM CDT | TSTM WND DMG | Holts Summit, MO | NUMEROUS TREES DOWN ON HOUSES AND ACROSS ROADWAYS AND POWER LINES DOWN IN THE HOLTS SUMMIT AND FULTON AREAS. DAMAGE TOOK PLACE BETWEEN 230 AND 3 P.M.. |
| Aug 16, 2:31 PM CDT | TSTM WND GST 48 | 2 Ne Jefferson City, 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, 7.3 hours before the alert went out and 241 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
- 459 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1025 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 179 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted.
117
WUUS53 KLSX 161917
SVRLSX
MOC027-051-151-162000-
/O.NEW.KLSX.SV.W.0162.170816T1917Z-170816T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
217 PM CDT WED AUG 16 2017
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Southern Cole County in central Missouri...
Callaway County in central Missouri...
Osage County in central Missouri...
* Until 300 PM CDT.
* At 217 PM CDT, severe thunderstorms were located along a line
extending from near Columbia to 6 miles north of Jefferson City to
near Eldon, moving east at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Jefferson City, Fulton, Holts Summit, Linn, Wardsville, Auxvasse,
Taos, New Bloomfield, Chamois, Westphalia, Lake Mykee Town, St.
Thomas, Shamrock, Hickory Hill, Williamsburg, Lake Mykee, Mokane,
Eugene, Kingdom City and Portland.
This includes Interstate 70 in Missouri between exits 137 and 161.
This also includes Clarks Hill/Norton Historic Site and Jefferson
Landing Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3843 9222 3860 9219 3864 9222 3870 9223
3877 9216 3880 9216 3881 9213 3890 9217
3906 9213 3906 9163 3846 9165 3832 9224
3834 9229 3834 9241 3843 9241
TIME...MOT...LOC 1917Z 251DEG 40KT 3889 9226 3866 9223 3833 9251
HAIL...0.75IN
WIND...60MPH
$$
CVKING2 follow-up statements
282
WWUS53 KLSX 161948
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
248 PM CDT WED AUG 16 2017
MOC027-051-151-162000-
/O.CON.KLSX.SV.W.0162.000000T0000Z-170816T2000Z/
Cole MO-Callaway MO-Osage MO-
248 PM CDT WED AUG 16 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR SOUTHEASTERN COLE...CALLAWAY AND OSAGE COUNTIES...
At 248 PM CDT, severe thunderstorms were located along a line
extending from near Fulton to 7 miles east of New Bloomfield to St.
Thomas, moving northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Jefferson City, Fulton, Holts Summit, Linn, Wardsville, Taos, New
Bloomfield, Chamois, Westphalia, Lake Mykee Town, St. Thomas,
Shamrock, Williamsburg, Lake Mykee, Mokane, Kingdom City, Portland,
Osage City, Osage Bend and Frankenstein.
This also includes Clarks Hill/Norton Historic Site and Jefferson
Landing Historic Site.
This includes Interstate 70 in Missouri between exits 144 and 161.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3843 9222 3881 9215 3881 9213 3883 9214
3893 9212 3906 9163 3846 9165 3832 9224
TIME...MOT...LOC 1948Z 246DEG 24KT 3893 9199 3869 9195 3838 9220
HAIL...<.75IN
WIND...60MPH
$$
CVKING010
WWUS53 KLSX 161954
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
254 PM CDT WED AUG 16 2017
MOC027-051-151-162003-
/O.EXP.KLSX.SV.W.0162.000000T0000Z-170816T2000Z/
Cole MO-Callaway MO-Osage MO-
254 PM CDT WED AUG 16 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COLE...CALLAWAY
AND OSAGE COUNTIES WILL EXPIRE AT 300 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire. However gusty winds
and heavy rain are still possible with these thunderstorms.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
St Louis.
LAT...LON 3843 9222 3881 9215 3881 9213 3883 9214
3893 9212 3906 9163 3846 9165 3832 9224
TIME...MOT...LOC 1953Z 251DEG 40KT 3895 9192 3871 9188 3840 9213
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 1:16 PM CDT | Special Weather Statement | LSX | Boone, Cole, Moniteau | 59 min |
| Aug 16, 1:54 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Cole, Moniteau | 51 min |
| Aug 16, 2:59 PM CDT | Special Weather Statement | LSX | Callaway, Montgomery, Osage | 46 min |
| Aug 16, 3:06 PM CDT | Special Weather Statement | LSX | City of Saint Louis | 39 min |
| Aug 16, 3:15 PM CDT | Special Weather Statement | LSX | Saint Louis | 45 min |
| Aug 16, 3:36 PM CDT | Special Weather Statement | LSX | Gasconade, Warren | 39 min |
| Aug 16, 4:28 PM CDT | Special Weather Statement | LSX | Saint Charles, Saint Louis, City of Saint Louis | 47 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.