Alert archive / Missouri / Heat Advisories in 2018
Heat Advisory 8, NWS Kansas City, MO
NWS Kansas City, MO issued this heat advisory at Jul 18, 2018, 2:19 PM CDT for 10 counties in Missouri; 5 counties in Kansas. It took effect at Jul 19, 2018, 12:00 PM CDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 18, 2018, 2:19 PM CDT (19:19 UTC)
- In effect from
- Jul 19, 2018, 12:00 PM CDT
- Expired
- Jul 19, 2018, 4:05 PM CDT
- In force
- 4 hr
- Issued by
- NWS Kansas City, MO
Counties Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Bates County, MO, Cass County, MO, Clay County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Pettis County, MO, Platte County, MO, Saline County, MO
The radar
The Pleasant Hill radar (KEAX), 4 km from the middle of the area, began a volume at 19:21 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
Springfield, MO (KSGF), launched 12:00Z, 7.3 hours before the alert went out and 220 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
- 798 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 861 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.0
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Jul 18, 12:58 PM CDT, 1 hour 21 minutes earlier.
Area forecast discussion, Jul 18, 12:58 PM CDT, 1 hour 21 minutes before
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</html>Hazardous weather outlook, Jul 18, 5:01 AM CDT, 9 hours 18 minutes before
Hazardous Weather Outlook National Weather Service Kansas City/Pleasant Hill MO 501 AM CDT Wed Jul 18 2018 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-191015- 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- 501 AM CDT Wed Jul 18 2018 This hazardous weather outlook is for northwest...north central and west central Missouri...as well as extreme eastern Kansas. .DAY ONE...Today and Tonight .Thunderstorms... Scattered showers and thunderstorms will persist across the region from this morning, through the day and into the overnight. .Heavy Rainfall... Locally heavy rainfall, with the strongest thunderstorms, may result in localized flooding. More detailed information can be accessed at... https://www.weather.gov/eax/hwo .DAYS TWO THROUGH SEVEN...Thursday through Tuesday .Thunderstorms... Scattered showers and thunderstorms will likely be ongoing across portions of far northern Missouri Thursday morning, with additional activity developing through the day and into the overnight hours across much of the region. Locally heavy rainfall will continue to result in possible localized flooding. More detailed information can be accessed at... https://www.weather.gov/eax/hwo Kurtz
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:17 PM CDT | Areal Flood Advisory | EAX | Cass | 118 min |
| Jul 17, 8:05 PM CDT | River Flood Warning | EAX | Jackson | 2 hr |
| Jul 18, 7:55 AM CDT | Areal Flood Advisory | EAX | Henry | 3 hr |
| Jul 17, 7:22 PM CDT | River Flood Warning | EAX | Johnson | 2 hr |
Nearby
Heat Advisories in Missouri, 2018Heat Advisories in Kansas, 2018Every heat advisory in 2018
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.