Alert archive / Kansas / Tornado Warnings in 2017
Tornado Warning 15, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at May 19, 2017, 8:27 PM CDT for Lyon County, Kansas. It was in force for 33 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 19, 2017, 8:27 PM CDT (01:27 UTC)
- Expired
- May 19, 2017, 9:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Lyon County, KS
The radar
The Topeka radar (KTWX), 38 km from the middle of the area, began a volume at 01:27 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 19, 8:38 PM CDT | TORNADO | 1 Nw Bushong, KS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KFOE), launched 00:00Z, 1.5 hours before the alert went out and 68 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
- 229 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 505 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 482 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted.
942
WFUS53 KTOP 200127
TORTOP
KSC111-200200-
/O.NEW.KTOP.TO.W.0015.170520T0127Z-170520T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
827 PM CDT FRI MAY 19 2017
The National Weather Service in Topeka has issued a
* Tornado Warning for...
Northwestern Lyon County in east central Kansas...
* Until 900 PM CDT
* At 825 PM CDT, a severe thunderstorm capable of producing a tornado
was located north of Dunlap, moving northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation. This storm has a history of
producing brief tornadoes.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Bushong around 840 PM CDT.
Allen around 850 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 3859 9636 3869 9635 3874 9622 3874 9619
3865 9613 3857 9635
TIME...MOT...LOC 0125Z 239DEG 22KT 3860 9636
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$2 follow-up statements
833
WWUS53 KTOP 200145
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
845 PM CDT FRI MAY 19 2017
KSC111-200200-
/O.CON.KTOP.TO.W.0015.000000T0000Z-170520T0200Z/
Lyon-
845 PM CDT FRI MAY 19 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR NORTH
CENTRAL LYON COUNTY...
At 844 PM CDT, a severe thunderstorm capable of producing a tornado
was located northwest of Bushong, moving northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
north central Lyon County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3870 9632 3874 9622 3874 9619 3868 9615
3864 9627
TIME...MOT...LOC 0144Z 233DEG 21KT 3868 9625
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$778
WWUS53 KTOP 200157
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
857 PM CDT FRI MAY 19 2017
KSC111-200206-
/O.EXP.KTOP.TO.W.0015.000000T0000Z-170520T0200Z/
Lyon-
857 PM CDT FRI MAY 19 2017
...THE TORNADO WARNING FOR NORTH CENTRAL LYON COUNTY WILL EXPIRE AT
900 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However gusty winds
and heavy rain are still possible with this thunderstorm.
LAT...LON 3870 9632 3874 9622 3874 9619 3868 9615
3864 9627
TIME...MOT...LOC 0156Z 239DEG 22KT 3872 9617
$$The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:56 PM CDT | Special Weather Statement | TOP | Morris | 34 min |
| May 19, 8:01 PM CDT | Tornado Warning | TOP | Morris | 29 min |
| May 19, 9:16 PM CDT | Flash Flood Warning | TOP | Lyon, Morris, Wabaunsee | 4 hr |
| May 19, 9:45 PM CDT | Special Weather Statement | TOP | Osage | 30 min |
| May 19, 9:47 PM CDT | River Flood Warning | TOP | Ottawa | 8 days |
| May 19, 9:47 PM CDT | River Flood Warning | TOP | Clay | 5 days |
| May 19, 9:52 PM CDT | River Flood Warning | TOP | Washington | 46 hr |
| May 19, 10:14 PM CDT | Areal Flood Advisory | TOP | Jefferson, Shawnee | 3 hr |
| May 19, 10:33 PM CDT | River Flood Warning | TOP | Cloud | 56 hr |
| May 19, 11:02 PM CDT | River Flood Warning | TOP | Marshall | 5 days |
| May 20, 4:03 AM CDT | River Flood Warning | TOP | Lyon | 54 hr |
| May 20, 8:47 AM CDT | River Flood Warning | TOP | Clay | 32 hr |
| May 20, 9:03 AM CDT | River Flood Warning | TOP | Marshall | 54 hr |
| May 20, 9:27 AM CDT | River Flood Warning | TOP | Ottawa, Saline | 67 hr |
| May 20, 9:27 AM CDT | River Flood Warning | TOP | Dickinson, Ottawa, Saline | 4 days |
| May 20, 9:38 AM CDT | River Flood Warning | TOP | Cloud | 49 hr |
| May 20, 9:38 AM CDT | River Flood Warning | TOP | Marshall | 17 hr |
Nearby
Tornado Warnings in Kansas, 2017Every tornado warning in 2017Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.