Alert archive / Missouri / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 83, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 19, 2017, 4:37 AM CDT for Lincoln County, Pike County, Missouri; Calhoun County, Illinois. It was in force for 53 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
- May 19, 2017, 4:37 AM CDT (09:37 UTC)
- Expired
- May 19, 2017, 5:30 AM CDT
- In force
- 53 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Calhoun County, IL, Lincoln County, MO, Pike County, MO
The radar
The St Louis radar (KLSX), 49 km from the middle of the area, began a volume at 09:39 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 |
|---|---|---|---|
| May 19, 4:55 AM CDT | TSTM WND GST 55 | 1 Wsw Moscow Mills, MO | MISSOURI AG SITE. |
| May 19, 5:02 AM CDT | TSTM WND DMG | Winfield, MO | LARGE TREE LIMBS DOWN. TIME ESTIMATED BY RADAR |
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 |
|---|---|---|---|
| May 19, 4:16 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 9.6 hours before the alert went out and 232 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
- 631 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 2069 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
533
WUUS53 KLSX 190937
SVRLSX
ILC013-MOC113-163-191030-
/O.NEW.KLSX.SV.W.0083.170519T0937Z-170519T1030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
437 AM CDT FRI MAY 19 2017
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Calhoun County in southwestern Illinois...
Lincoln County in east central Missouri...
Pike County in northeastern Missouri...
* Until 530 AM CDT.
* At 436 AM CDT, severe thunderstorms were located along a line
extending from 8 miles north of Buell to near Warrenton, moving
northeast at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Troy, Bowling Green, Elsberry, Moscow Mills, Winfield, Davis,
Hardin, Hawk Point, Eolia, Clarksville, Fountain N' Lakes, Chain of
Rocks, New Hartford, Tarrants, Belleview, Flint Hill, Kampsville,
Old Monroe, Batchtown and Silex.
This also includes Cuivre River State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3940 9094 3939 9062 3920 9059 3914 9062
3907 9058 3905 9059 3901 9058 3898 9056
3888 9089 3889 9095 3887 9096 3887 9110
3893 9111 3893 9119 3899 9119 3900 9126
3914 9126 3914 9141 3930 9143 3943 9100
TIME...MOT...LOC 0936Z 242DEG 48KT 3916 9145 3890 9111
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
Tilly1 follow-up statement
057
WWUS53 KLSX 191021
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
521 AM CDT FRI MAY 19 2017
MOC113-163-191030-
/O.CAN.KLSX.SV.W.0083.000000T0000Z-170519T1030Z/
Lincoln MO-Pike MO-
521 AM CDT FRI MAY 19 2017
...THE SEVERE THUNDERSTORM WARNING FOR LINCOLN COUNTY IN EAST CENTRAL
MISSOURI AND PIKE COUNTIES IN NORTHEASTERN MISSOURI IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 1000 AM CDT for
southwestern Illinois...and east central Missouri.
LAT...LON 3929 9060 3926 9061 3920 9059 3914 9062
3907 9058 3905 9059 3898 9056 3895 9067
3900 9068 3905 9071 3909 9068 3911 9068
3915 9071 3925 9073 3932 9082 3939 9086
3939 9062
TIME...MOT...LOC 1020Z 253DEG 48KT 3937 9071 3905 9048
$$
ILC013-191030-
/O.CON.KLSX.SV.W.0083.000000T0000Z-170519T1030Z/
Calhoun IL-
521 AM CDT FRI MAY 19 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 AM CDT
FOR CALHOUN COUNTY...
At 520 AM CDT, severe thunderstorms were located along a line
extending from near Belleview to near Grafton, moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Hardin, Belleview, Kampsville, Batchtown, Hamburg, Mozier, Michael,
Meppen and Beechville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3929 9060 3926 9061 3920 9059 3914 9062
3907 9058 3905 9059 3898 9056 3895 9067
3900 9068 3905 9071 3909 9068 3911 9068
3915 9071 3925 9073 3932 9082 3939 9086
3939 9062
TIME...MOT...LOC 1020Z 253DEG 48KT 3937 9071 3905 9048
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
TillyThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 3:03 AM CDT | Severe Thunderstorm Warning | LSX | Cole, Moniteau | 42 min |
| May 19, 3:29 AM CDT | Severe Thunderstorm Warning | LSX | Cole, Moniteau | 13 min |
| May 19, 4:03 AM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Montgomery, Osage, Warren and 1 more | 42 min |
| May 19, 4:12 AM CDT | Severe Thunderstorm Warning | LSX | Callaway, Montgomery, Warren | 33 min |
| May 19, 4:20 AM CDT | Tornado Warning | LSX | Callaway, Montgomery, Warren | 25 min |
| May 19, 4:39 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Charles, Saint Louis, Warren, Washington and 1 more | 66 min |
| May 19, 6:00 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Moniteau, Osage | 45 min |
| May 19, 6:38 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Gasconade, Montgomery, Osage | 52 min |
| May 19, 5:13 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Jersey, Madison, Saint Clair | 62 min |
| May 19, 5:36 AM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Greene, Macoupin, Montgomery | 69 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2017Severe Thunderstorm Warnings in Illinois, 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.