Alert archive / Missouri / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 217, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Aug 12, 2019, 11:52 PM CDT for Pettis County, Missouri. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 12, 2019, 11:52 PM CDT (04:52 UTC)
- Expired
- Aug 13, 2019, 12:15 AM CDT
- In force
- 23 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Pettis County, MO
The radar
The Pleasant Hill radar (KEAX), 85 km from the middle of the area, began a volume at 04:52 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.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 4.9 hours before the alert went out and 206 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
- 2728 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1417 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 7.1
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 12, 6:49 PM CDT, 5 hours 3 minutes earlier.
Area forecast discussion, Aug 12, 6:49 PM CDT, 5 hours 3 minutes before
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</html>Hazardous weather outlook, Aug 12, 4:38 AM CDT, 19 hours 14 minutes before
Hazardous Weather Outlook National Weather Service Kansas City/Pleasant Hill MO 438 AM CDT Mon Aug 12 2019 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-130945- Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS- Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler- Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton- Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton- Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis- Cooper-Bates-Henry- 438 AM CDT Mon Aug 12 2019 This hazardous weather outlook is for northwest...north central and west central Missouri...as well as extreme eastern Kansas. .DAY ONE...Today and Tonight Strong storms Monday morning will give way to hot and humid conditions later this afternoon. Heat indices could climb into the 105 to 110 range, especially along and south of I-70. Severe storms are possible late this afternoon into the overnight. More detailed information can be accessed at... https://www.weather.gov/eax/hwo .DAYS TWO THROUGH SEVEN...Tuesday through Sunday No hazardous weather is expected at this time. More detailed information can be accessed at... https://www.weather.gov/eax/hwo
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 10:43 PM CDT | Special Weather Statement | EAX | Pettis | 32 min |
| Aug 12, 10:56 PM CDT | Special Weather Statement | EAX | Cooper | 49 min |
| Aug 12, 11:11 PM CDT | Special Weather Statement | EAX | Pettis | 49 min |
| Aug 12, 11:46 PM CDT | Special Weather Statement | EAX | Pettis | 44 min |
| Aug 13, 12:13 AM CDT | Special Weather Statement | EAX | Pettis | 32 min |
| Aug 13, 12:30 AM CDT | Special Weather Statement | EAX | Bates | 45 min |
| Aug 13, 12:57 AM CDT | Special Weather Statement | EAX | Henry | 48 min |
| Aug 13, 1:15 AM CDT | Severe Thunderstorm Warning | EAX | Henry | 30 min |
| Aug 13, 12:36 AM CDT | Special Weather Statement | EAX | Linn | 39 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2019Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.