Alert archive / Missouri / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 255, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Aug 20, 2019, 3:39 PM CDT for Caldwell County, Clinton County, Ray County, Missouri. It was in force for 36 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 20, 2019, 3:39 PM CDT (20:39 UTC)
- Expired
- Aug 20, 2019, 4:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Caldwell County, MO, Clinton County, MO, Ray County, MO
The radar
The Pleasant Hill radar (KEAX), 82 km from the middle of the area, began a volume at 20:42 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 12:00Z, 8.7 hours before the alert went out and 143 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
- 1838 J/kg
- Mixed-layer CIN
- -356 J/kg
- Mixed-layer LCL
- 1733 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 20, 3:35 PM CDT, 4 minutes earlier.
Area forecast discussion, Aug 20, 3:35 PM CDT, 4 minutes before
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</html>Hazardous weather outlook, Aug 20, 5:24 AM CDT, 10 hours 15 minutes before
Hazardous Weather Outlook National Weather Service Kansas City/Pleasant Hill MO 524 AM CDT Tue Aug 20 2019 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-211030- 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- 524 AM CDT Tue Aug 20 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 Very hot and humid conditions are expected this afternoon, with dangerous heat indices developing. Thunderstorms are expected this morning across northeast Missouri, a few may be severe with strong winds. More detailed information can be accessed at... https://www.weather.gov/eax/hwo .DAYS TWO THROUGH SEVEN...Wednesday through Monday Periodic chances for thunderstorms will continue Wednesday morning through Thursday. A few of these storms may be strong to occasionally severe. More detailed information can be accessed at... https://www.weather.gov/eax/hwo
In the hours before
Special weather statement, Aug 20, 12:27 PM CDT, 3 hours 12 minutes before
Special Weather Statement National Weather Service Kansas City/Pleasant Hill MO 1227 PM CDT Tue Aug 20 2019 MOZ013-021-022-201800- Clinton MO-De Kalb MO-Caldwell MO- 1227 PM CDT Tue Aug 20 2019 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN CLINTON...NORTHWESTERN CALDWELL AND SOUTHEASTERN DEKALB COUNTIES UNTIL 100 PM CDT... At 1227 PM CDT, Doppler radar was tracking a strong thunderstorm over Osborn, or near Cameron, moving southeast at 20 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Cameron, Osborn and Turney. This includes Interstate 35 in Missouri between mile markers 43 and 55. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3968 9452 3983 9444 3973 9404 3955 9416 TIME...MOT...LOC 1727Z 299DEG 19KT 3971 9435 Pietrycha
Special weather statement, Aug 20, 1:01 PM CDT, 2 hours 38 minutes before
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</html>The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 7:07 AM CDT | Special Weather Statement | EAX | Putnam, Schuyler | 53 min |
| Aug 20, 7:46 AM CDT | Severe Thunderstorm Warning | EAX | Adair, Putnam, Schuyler, Sullivan | 44 min |
| Aug 20, 8:18 AM CDT | Special Weather Statement | EAX | Nodaway | 27 min |
| Aug 20, 8:41 AM CDT | Severe Thunderstorm Warning | EAX | Adair, Putnam, Schuyler | 34 min |
| Aug 20, 8:54 AM CDT | Special Weather Statement | EAX | Gentry, Harrison | 36 min |
| Aug 20, 10:36 AM CDT | Special Weather Statement | EAX | DeKalb | 24 min |
| Aug 20, 10:40 AM CDT | Special Weather Statement | EAX | Macon | 35 min |
| Aug 20, 11:10 AM CDT | Special Weather Statement | EAX | Andrew | 35 min |
| Aug 20, 11:21 AM CDT | Areal Flood Advisory | EAX | Andrew, Holt | 3 hr |
| Aug 20, 12:15 PM CDT | Special Weather Statement | EAX | Andrew | 30 min |
| Aug 20, 12:24 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Holt | 36 min |
| Aug 20, 12:27 PM CDT | Special Weather Statement | EAX | Clinton | 33 min |
| Aug 20, 12:32 PM CDT | Flash Flood Warning | EAX | Andrew, Buchanan, Holt | 3 hr |
| Aug 20, 12:37 PM CDT | Flash Flood Warning | EAX | Andrew, Buchanan, Holt | 3 hr |
| Aug 20, 12:57 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Buchanan | 12 min |
| Aug 20, 1:01 PM CDT | Special Weather Statement | EAX | Clinton | 44 min |
| Aug 20, 1:19 PM CDT | Special Weather Statement | EAX | Buchanan | 41 min |
| Aug 20, 1:58 PM CDT | Special Weather Statement | EAX | Clinton | 32 min |
| Aug 20, 2:51 PM CDT | Special Weather Statement | EAX | Caldwell | 24 min |
| Aug 20, 3:15 PM CDT | Special Weather Statement | EAX | Clinton | 30 min |
| Aug 20, 11:40 AM CDT | Special Weather Statement | EAX | Doniphan | 35 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.