Alert archive / Missouri / Special Weather Statements in 2020
Special Weather Statement, NWS Kansas City, MO
NWS Kansas City, MO issued this special weather statement at Aug 9, 2020, 10:21 AM CDT for Bates County, Missouri. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 9, 2020, 10:21 AM CDT (15:21 UTC)
- Expired
- Aug 9, 2020, 11:15 AM CDT
- In force
- 54 min
- Issued by
- NWS Kansas City, MO
County Bates County, MO
The radar
The Pleasant Hill radar (KEAX), 49 km from the middle of the area, began a volume at 15:21 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
Topeka, KS (KTOP), launched 12:00Z, 3.4 hours before the alert went out and 137 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
- 505 J/kg
- Mixed-layer CIN
- -362 J/kg
- Mixed-layer LCL
- 1569 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 310 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
675
WWUS83 KEAX 091521
SPSEAX
Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1021 AM CDT Sun Aug 9 2020
MOZ043-044-053-054-091615-
Bates MO-Cass MO-Johnson MO-Henry MO-
1021 AM CDT Sun Aug 9 2020
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CASS...NORTHWESTERN
HENRY...NORTHERN BATES AND SOUTHWESTERN JOHNSON COUNTIES UNTIL 1115
AM CDT...
At 1020 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Adrian, moving northeast at 40 mph.
Pea size hail and wind gusts up to 50 mph will be possible with this
storm.
Locations impacted include...
Butler, Holden, Adrian, Garden City, Archie, Urich, Creighton,
Chilhowee, Amsterdam, Foster, Blairstown, Passaic, La Tour, Ballard,
Hartwell, Quick City and Worland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3814 9460 3827 9458 3837 9461 3872 9398
3860 9382 3833 9383
TIME...MOT...LOC 1520Z 240DEG 36KT 3833 9445
$$
KurtzThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 3:34 AM CDT | Heat Advisory | EAX | Andrew, Atchison, Bates, Buchanan, Cass, Clay and 10 more | 16 hr |
| Aug 9, 8:20 AM CDT | River Flood Warning | EAX | Carroll | 28 hr |
Nearby
Special Weather Statements in Missouri, 2020Every special weather statement in 2020
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.