Alert archive / Missouri / Tornado Watches in 2017
Tornado Watch 62
The Storm Prediction Center issued this tornado watch at Mar 6, 2017, 2:27 PM CST for 21 counties in Kansas; 37 counties in Missouri; Nemaha County, Richardson County, Nebraska. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 6, 2017, 2:27 PM CST (20:27 UTC)
- Expired
- Mar 6, 2017, 10:00 PM CST
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 60 counties
Anderson County, KS, Atchison County, KS, Brown County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO, Nemaha County, NE, Richardson County, NE
The radar
The Pleasant Hill radar (KEAX), 91 km from the middle of the area, began a volume at 20:29 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 60%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
63 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 4:09 PM CST | Severe Thunderstorm Warning | OAX | Cass, Gage, Johnson, Lancaster, Nemaha, Otoe and 2 more | 36 min |
| Mar 6, 4:53 PM CST | Severe Thunderstorm Warning | OAX | Johnson, Nemaha, Otoe | 37 min |
| Mar 6, 5:00 PM CST | Severe Thunderstorm Warning | EAX | Atchison | 45 min |
| Mar 6, 5:11 PM CST | Severe Thunderstorm Warning | TOP | Marshall, Nemaha, Pottawatomie | 49 min |
| Mar 6, 5:23 PM CST | Severe Thunderstorm Warning | TOP | Pottawatomie, Riley | 52 min |
| Mar 6, 5:24 PM CST | Severe Thunderstorm Warning | TOP | Marshall, Nemaha | 51 min |
| Mar 6, 5:31 PM CST | Tornado Warning | TOP | Geary, Pottawatomie, Riley, Wabaunsee | 29 min |
| Mar 6, 5:37 PM CST | Tornado Warning | TOP | Pottawatomie | 38 min |
| Mar 6, 5:40 PM CST | Severe Thunderstorm Warning | TOP | Brown, Jackson, Nemaha, Pottawatomie | 55 min |
| Mar 6, 5:41 PM CST | Severe Thunderstorm Warning | OAX | Nemaha, Richardson | 34 min |
| Mar 6, 5:53 PM CST | Severe Thunderstorm Warning | TOP | Geary, Morris, Pottawatomie, Riley, Shawnee, Wabaunsee | 37 min |
| Mar 6, 5:53 PM CST | Severe Thunderstorm Warning | TOP | Jackson, Pottawatomie | 37 min |
| Mar 6, 5:58 PM CST | Tornado Warning | TOP | Jackson, Pottawatomie, Shawnee, Wabaunsee | 32 min |
| Mar 6, 5:59 PM CST | Tornado Warning | TOP | Wabaunsee | 31 min |
| Mar 6, 5:59 PM CST | Severe Thunderstorm Warning | EAX | Atchison, Holt, Nodaway | 46 min |
| Mar 6, 6:05 PM CST | Tornado Warning | TOP | Lyon, Morris, Wabaunsee | 25 min |
| Mar 6, 6:12 PM CST | Tornado Warning | EAX | Andrew, Holt, Nodaway | 33 min |
| Mar 6, 6:19 PM CST | Tornado Warning | TOP | Shawnee | 26 min |
| Mar 6, 6:22 PM CST | Tornado Warning | EAX | Holt, Nodaway | 23 min |
| Mar 6, 6:30 PM CST | Tornado Warning | TOP | Lyon, Osage, Shawnee, Wabaunsee | 30 min |
| Mar 6, 6:30 PM CST | Tornado Warning | TOP | Jackson, Jefferson, Shawnee | 30 min |
| Mar 6, 6:35 PM CST | Severe Thunderstorm Warning | TOP | Coffey, Lyon, Osage | 25 min |
| Mar 6, 6:43 PM CST | Severe Thunderstorm Warning | EAX | Doniphan | 47 min |
| Mar 6, 6:47 PM CST | Severe Thunderstorm Warning | TOP | Douglas, Jefferson, Osage, Shawnee | 43 min |
| Mar 6, 6:49 PM CST | Severe Thunderstorm Warning | TOP | Douglas, Franklin, Lyon, Osage | 56 min |
| Mar 6, 6:52 PM CST | Severe Thunderstorm Warning | EAX | Gentry, Harrison, Mercer, Nodaway, Worth | 38 min |
| Mar 6, 6:53 PM CST | Severe Thunderstorm Warning | EAX | Leavenworth | 37 min |
| Mar 6, 6:56 PM CST | Severe Thunderstorm Warning | TOP | Anderson, Coffey, Franklin, Lyon, Osage | 64 min |
| Mar 6, 6:59 PM CST | Tornado Warning | EAX | Leavenworth | 31 min |
| Mar 6, 7:03 PM CST | Tornado Warning | EAX | Andrew, Buchanan, DeKalb, Gentry | 27 min |
| Mar 6, 7:06 PM CST | Severe Thunderstorm Warning | EAX | Atchison, Doniphan, Leavenworth | 39 min |
| Mar 6, 7:12 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth, Wyandotte | 33 min |
| Mar 6, 7:18 PM CST | Tornado Warning | EAX | Buchanan, Clay, Platte | 14 min |
| Mar 6, 7:26 PM CST | Severe Thunderstorm Warning | EAX | Buchanan, Caldwell, Clay, Clinton, DeKalb, Platte | 34 min |
| Mar 6, 7:27 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth, Wyandotte | 48 min |
| Mar 6, 7:27 PM CST | Severe Thunderstorm Warning | TOP | Douglas | 18 min |
| Mar 6, 7:27 PM CST | Tornado Warning | EAX | Harrison, Mercer | 33 min |
| Mar 6, 7:29 PM CST | Tornado Warning | EAX | Clay, Clinton, Platte | 31 min |
| Mar 6, 7:33 PM CST | Tornado Warning | EAX | Daviess, DeKalb, Harrison | 27 min |
| Mar 6, 7:36 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Miami | 54 min |
| Mar 6, 7:48 PM CST | Tornado Warning | EAX | Mercer, Putnam | 27 min |
| Mar 6, 7:50 PM CST | Tornado Warning | EAX | Caldwell, Clinton, Daviess | 25 min |
| Mar 6, 7:54 PM CST | Severe Thunderstorm Warning | TOP | Anderson, Coffey, Franklin | 32 min |
| Mar 6, 7:55 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Linn, Miami | 35 min |
| Mar 6, 7:59 PM CST | Tornado Warning | EAX | Cass, Jackson, Johnson, Lafayette | 31 min |
| Mar 6, 8:06 PM CST | Severe Thunderstorm Warning | EAX | Caldwell, Carroll, Clay, Daviess, Grundy, Jackson and 7 more | 24 min |
| Mar 6, 8:11 PM CST | Tornado Warning | EAX | Caldwell, Daviess, Livingston | 23 min |
| Mar 6, 8:15 PM CST | Severe Thunderstorm Warning | EAX | Carroll, Cass, Henry, Jackson, Johnson, Lafayette and 1 more | 45 min |
| Mar 6, 8:18 PM CST | Severe Thunderstorm Warning | EAX | Linn, Miami | 27 min |
| Mar 6, 8:19 PM CST | Tornado Warning | EAX | Jackson, Johnson, Lafayette | 26 min |
| Mar 6, 8:25 PM CST | Flash Flood Warning | EAX | Johnson, Leavenworth, Wyandotte | 3 hr |
| Mar 6, 8:25 PM CST | Severe Thunderstorm Warning | EAX | Linn, Miami | 35 min |
| Mar 6, 8:32 PM CST | Severe Thunderstorm Warning | EAX | Adair, Carroll, Chariton, Grundy, Lafayette, Linn and 7 more | 28 min |
| Mar 6, 8:33 PM CST | Tornado Warning | EAX | Carroll, Chariton, Saline | 27 min |
| Mar 6, 8:55 PM CST | Severe Thunderstorm Warning | EAX | Carroll, Chariton, Cooper, Howard, Johnson, Lafayette and 6 more | 35 min |
| Mar 6, 8:58 PM CST | Tornado Warning | EAX | Bates, Henry | 32 min |
| Mar 6, 9:01 PM CST | Severe Thunderstorm Warning | EAX | Bates, Henry, Johnson, Pettis | 29 min |
| Mar 6, 9:04 PM CST | Severe Thunderstorm Warning | EAX | Adair, Linn, Macon, Putnam, Schuyler, Sullivan | 41 min |
| Mar 6, 9:10 PM CST | Tornado Warning | EAX | Chariton, Linn, Macon | 35 min |
| Mar 6, 9:23 PM CST | Tornado Warning | EAX | Cooper, Pettis, Saline | 37 min |
| Mar 6, 9:28 PM CST | Severe Thunderstorm Warning | EAX | Chariton, Cooper, Howard, Macon, Pettis, Randolph and 1 more | 47 min |
| Mar 6, 9:40 PM CST | Tornado Warning | EAX | Macon | 9 min |
| Mar 6, 9:56 PM CST | Tornado Warning | EAX | Cooper, Howard | 11 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Topeka, KS (KFOE), launched 12:00Z, 8.5 hours before the alert went out and 103 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
- 714 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 408 m²/s²
- 0-3 km storm-relative helicity
- 476 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
559
WWUS20 KWNS 062025
SEL2
SPC WW 062025
KSZ000-MOZ000-NEZ000-070400-
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 62
NWS Storm Prediction Center Norman OK
225 PM CST Mon Mar 6 2017
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northeast Kansas
Northwest and north-central Missouri
Far southeast Nebraska
* Effective this Monday afternoon and evening from 225 PM until
1000 PM CST.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
Scattered damaging wind gusts to 70 mph likely
SUMMARY...Scattered storms will develop early this evening and
likely form into a fast-moving line moving east across the Lower
Missouri Valley. Initial storms should have the greatest potential
for tornadoes and large hail, transitioning to a predominant
damaging wind threat over time.
The tornado watch area is approximately along and 100 statute miles
east and west of a line from 60 miles north northwest of Chillicothe
MO to 60 miles south of Olathe KS. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU2).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 61...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24040.
...GramsSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 1:48 PM CST | Mesoscale Discussion | SPC | Anderson, Atchison, Brown, Chase, Coffey, Doniphan and 13 more | 117 min |
| Mar 6, 2:50 PM CST | Mesoscale Discussion | SPC | Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 6 more | 85 min |
Nearby
Tornado Watches in Missouri, 2017Tornado Watches in Kansas, 2017Tornado Watches in Nebraska, 2017Every tornado watch in 2017
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.