Alert archive / Missouri / Severe Thunderstorm Watches in 2019
Severe Thunderstorm Watch 201
The Storm Prediction Center issued this severe thunderstorm watch at May 20, 2019, 8:20 PM CDT for 16 counties in Missouri. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- May 20, 2019, 8:20 PM CDT (01:20 UTC)
- Expired
- May 21, 2019, 4:00 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 65 kt
Counties Benton County, MO, Camden County, MO, Dent County, MO, Hickory County, MO, Howell County, MO, Laclede County, MO, Maries County, MO, Miller County, MO, Morgan County, MO, Oregon County, MO, Phelps County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Texas County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 119 km from the middle of the area, began a volume at 01:19 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 8:57 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, Dade, St. Clair | 63 min |
| May 20, 9:31 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Hickory, Polk | 59 min |
| May 20, 9:35 PM CDT | Flash Flood Warning | SGF | Cedar, St. Clair, Vernon | 5 hr |
| May 20, 10:54 PM CDT | Flash Flood Warning | SGF | Benton, Camden, Christian, Dallas, Greene, Hickory and 4 more | 4 hr |
| May 20, 11:01 PM CDT | Severe Thunderstorm Warning | SGF | Dallas, Laclede, Webster | 44 min |
| May 20, 11:24 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Laclede, Pulaski, Texas, Wright | 35 min |
| May 20, 11:52 PM CDT | Severe Thunderstorm Warning | SGF | Dent, Maries, Phelps, Pulaski, Texas, Wright | 38 min |
| May 21, 12:04 AM CDT | Flash Flood Warning | SGF | Camden, Christian, Dallas, Douglas, Laclede, Pulaski and 3 more | 3 hr |
| May 21, 12:28 AM CDT | Severe Thunderstorm Warning | SGF | Dent, Shannon, Texas, Wright | 62 min |
| May 21, 1:11 AM CDT | Flash Flood Warning | SGF | Dent, Phelps, Pulaski, Shannon, Texas | 2 hr |
| May 21, 2:21 AM CDT | Flash Flood Warning | SGF | Christian, Dent, Douglas, Howell, Oregon, Ozark and 4 more | 4 hr |
| May 21, 2:45 AM CDT | Tornado Warning | SGF | Howell, Ozark | 20 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 10:30 PM CDT | Mesoscale Discussion | SPC | Barry, Christian, Dade, Dallas, Douglas, Greene and 11 more | 60 min |
| May 20, 11:06 PM CDT | Mesoscale Discussion | SPC | McDonald | 24 min |
| May 21, 12:18 AM CDT | Tornado Watch | SPC | Barry, Christian, Douglas, Howell, McDonald, Ozark and 4 more | 5 hr |
| May 21, 12:55 AM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 26 more | 95 min |
| May 21, 9:57 AM CDT | Mesoscale Discussion | SPC | Camden, Christian, Dallas, Douglas, Greene, Hickory and 10 more | 93 min |
| May 21, 11:32 AM CDT | Tornado Watch | SPC | Barry, Camden, Christian, Dallas, Dent, Douglas and 16 more | 7 hr |
| May 21, 1:51 PM CDT | Mesoscale Discussion | SPC | Camden, Dent, Douglas, Laclede, Maries, Ozark and 6 more | 84 min |
| May 21, 3:10 PM CDT | Tornado Watch | SPC | Audrain, Bollinger, Boone, Butler, Callaway, Cape Girardeau and 32 more | 8 hr |
| May 21, 4:43 PM CDT | Mesoscale Discussion | SPC | Dunklin, Pemiscot | 62 min |
| May 21, 5:43 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Crawford, Franklin and 20 more | 62 min |
| May 21, 6:12 PM CDT | Mesoscale Discussion | SPC | Saint Charles, Saint Louis, City of Saint Louis | 33 min |
| May 21, 6:53 PM CDT | Severe Thunderstorm Watch | SPC | Atchison, Holt | 3 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2019Every severe thunderstorm watch in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.