Alert archive / Kansas / Special Weather Statements in 2021
Special Weather Statement, NWS Kansas City, MO
NWS Kansas City, MO issued this special weather statement at Mar 17, 2021, 8:11 AM CDT for 4 counties in Missouri; 5 counties in Kansas. It was in force for 49 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
- Mar 17, 2021, 8:11 AM CDT (13:11 UTC)
- Expired
- Mar 17, 2021, 9:00 AM CDT
- In force
- 49 min
- Issued by
- NWS Kansas City, MO
Counties Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Wyandotte County, KS, Buchanan County, MO, Clay County, MO, Jackson County, MO, Platte County, MO
The radar
The Pleasant Hill radar (KEAX), 79 km from the middle of the area, began a volume at 13:14 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, 1.2 hours before the alert went out and 63 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 601 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Mar 17, 6:21 AM CDT, 1 hour 50 minutes earlier.
Area forecast discussion, Mar 17, 6:21 AM CDT, 1 hour 50 minutes before
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</html>Hazardous weather outlook, Mar 17, 5:05 AM CDT, 3 hours 6 minutes before
Hazardous Weather Outlook National Weather Service Kansas City/Pleasant Hill MO 505 AM CDT Wed Mar 17 2021 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-180945- 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- 505 AM CDT Wed Mar 17 2021 This hazardous weather outlook is for northwest...north central and west central Missouri...as well as extreme eastern Kansas. .DAY ONE...Today and Tonight Scattered thunderstorms are expected to continue this morning. A few storms could be strong to severe with hail up to quarter sized as the main threat. The severe threat should diminish after day break, but thunderstorms and rain will continue through the day. Widespread amounts of 2-3 possible which could lead to new or additional flooding issues. More detailed information can be accessed at... https://www.weather.gov/eax/hwo .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Rain may mix with some snow Wednesday night into Thursday morning, but not expecting impactful accumulations. Dry weather expected to return Thursday evening through the weekend. More detailed information can be accessed at... https://www.weather.gov/eax/hwo
In the hours before
Special weather statement, Mar 17, 4:16 AM CDT, 3 hours 55 minutes before
Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
416 AM CDT Wed Mar 17 2021
MOZ044-045-054-171000-
Johnson MO-Pettis MO-Henry MO-
416 AM CDT Wed Mar 17 2021
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN HENRY...SOUTHWESTERN
PETTIS AND SOUTHEASTERN JOHNSON COUNTIES UNTIL 500 AM CDT...
At 416 AM CDT, Doppler radar was tracking a strong thunderstorm 10
miles east of Deepwater, or 11 miles southeast of Clinton, moving
north at 30 mph.
Nickel size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Windsor, Leeton, Calhoun, Coal, Brownington, Tightwad and Truman
Lake.
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.
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.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3820 9375 3860 9369 3864 9345 3853 9329
3851 9329 3851 9351 3821 9352 3821 9354
3822 9356 3821 9357 3820 9356
TIME...MOT...LOC 0916Z 195DEG 28KT 3830 9358
LeightonSpecial weather statement, Mar 17, 4:53 AM CDT, 3 hours 18 minutes before
Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
453 AM CDT Wed Mar 17 2021
KSZ057-060-105-MOZ043-171045-
Johnson KS-Miami KS-Linn KS-Cass MO-
453 AM CDT Wed Mar 17 2021
...SIGNIFICANT WEATHER ADVISORY FOR MIAMI...NORTH CENTRAL LINN...
SOUTHEASTERN JOHNSON AND WEST CENTRAL CASS COUNTIES UNTIL 545 AM
CDT...
At 452 AM CDT, Doppler radar was tracking a strong thunderstorm over
Fontana, or near La Cygne, moving north at 40 mph.
Nickel size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Overland Park, Gardner, Paola, Spring Hill, Peculiar, Osawatomie,
Louisburg, La Cygne, Drexel, Linn Valley, Cleveland, Fontana, Lake
Annette, West Line, Hillsdale, Chiles, Bucyrus, New Lancaster,
Stillwell and Wagstaff.
This includes Interstate 35 in Kansas between mile markers 207 and
208.
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.
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.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
A Severe Thunderstorm Watch remains in effect until 800 AM CDT for
east central Kansas.
LAT...LON 3828 9474 3833 9496 3879 9494 3884 9469
3872 9447
TIME...MOT...LOC 0952Z 193DEG 36KT 3839 9484
LeightonSpecial weather statement, Mar 17, 6:01 AM CDT, 2 hours 10 minutes before
Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
601 AM CDT Wed Mar 17 2021
MOZ043-044-053-054-171145-
Bates MO-Cass MO-Johnson MO-Henry MO-
601 AM CDT Wed Mar 17 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CASS...HENRY...
NORTHEASTERN BATES AND SOUTHWESTERN JOHNSON COUNTIES UNTIL 645 AM
CDT...
At 601 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Weaubleau to Butler. Movement was
northeast at 50 mph.
Nickel size hail and wind gusts up to 50 mph will be possible with
these storms.
Locations impacted include...
Clinton, Butler, Adrian, Garden City, Urich, Calhoun, Deepwater,
Montrose, Creighton, Chilhowee, Coal, Brownington, Blairstown,
Tightwad, Passaic, La Tour, Ballard, Post Oak, Hartwell and La Due.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
A Severe Thunderstorm Watch remains in effect until 800 AM CDT for
west central Missouri.
LAT...LON 3825 9442 3874 9410 3849 9351 3821 9353
3821 9354 3822 9356 3821 9357 3820 9356
3821 9405 3808 9406
TIME...MOT...LOC 1101Z 219DEG 44KT 3795 9362 3826 9435
LeightonLocal storm report, Mar 17, 6:41 AM CDT, 1 hour 30 minutes before
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</html>Local storm report, Mar 17, 7:12 AM CDT, 59 minutes before
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</html>Special weather statement, Mar 17, 8:11 AM CDT, 0 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 |
|---|---|---|---|---|
| Mar 17, 3:09 AM CDT | Special Weather Statement | EAX | Bates | 51 min |
| Mar 17, 3:23 AM CDT | Severe Thunderstorm Warning | EAX | Bates, Cass, Henry | 37 min |
| Mar 17, 4:01 AM CDT | Severe Thunderstorm Warning | EAX | Henry, Johnson | 44 min |
| Mar 17, 4:16 AM CDT | Special Weather Statement | EAX | Henry | 44 min |
| Mar 17, 5:02 AM CDT | Severe Thunderstorm Warning | EAX | Bates | 43 min |
| Mar 17, 6:01 AM CDT | Special Weather Statement | EAX | Bates, Henry | 44 min |
| Mar 17, 6:51 AM CDT | River Flood Warning | EAX | Cooper | 65 hr |
| Mar 17, 7:00 AM CDT | River Flood Warning | EAX | Cooper | 54 hr |
| Mar 17, 9:24 AM CDT | River Flood Warning | EAX | Bates | 21 days |
| Mar 17, 9:48 AM CDT | River Flood Warning | EAX | Carroll, Chariton, Saline | 53 hr |
| Mar 17, 9:48 AM CDT | River Flood Warning | EAX | Jackson, Lafayette, Ray | 4 days |
| Mar 17, 9:48 AM CDT | River Flood Warning | EAX | Carroll, Lafayette, Saline | 4 days |
| Mar 17, 9:48 AM CDT | River Flood Warning | EAX | Cooper, Howard | 68 hr |
| Mar 17, 9:48 AM CDT | River Flood Warning | EAX | Chariton, Howard, Saline | 5 days |
| Mar 17, 10:25 AM CDT | River Flood Warning | EAX | Howard | 38 hr |
| Mar 17, 10:25 AM CDT | River Flood Warning | EAX | Ray | 3 days |
| Mar 17, 2:15 PM CDT | Winter Weather Advisory | EAX | Bates, Buchanan, Caldwell, Carroll, Cass, Clay and 7 more | 14 hr |
| Mar 17, 2:57 AM CDT | Special Weather Statement | EAX | Leavenworth | 48 min |
| Mar 17, 4:53 AM CDT | Special Weather Statement | EAX | Miami | 52 min |
| Mar 17, 9:24 AM CDT | River Flood Warning | EAX | Miami | 4 days |
| Mar 17, 9:24 AM CDT | River Flood Warning | EAX | Linn | 6 days |
Nearby
Special Weather Statements in Kansas, 2021Special Weather Statements in Missouri, 2021Every special weather statement in 2021
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.