Alert archive / Kansas / Tornado Warnings in 2015
Tornado Warning 31, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at Sep 7, 2015, 4:16 PM CDT for Marshall County, Kansas. It was in force for 29 min. 2 reports 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
- Sep 7, 2015, 4:16 PM CDT (21:16 UTC)
- Expired
- Sep 7, 2015, 4:45 PM CDT
- In force
- 29 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.0 in
County Marshall County, KS
The radar
The Topeka radar (KTWX), 109 km from the middle of the area, began a volume at 21:16 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 |
|---|---|---|---|
| Sep 7, 4:18 PM CDT | TORNADO | 3 N Bremen, KS | TRAINED SPOTTER OBSERVED DEBRIS CLOUD. |
| Sep 7, 4:38 PM CDT | TSTM WND DMG | Oketo, KS | REPORTED LARGE TREES DOWN AND POWER OUTAGES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 7, 3:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Topeka, KS (KFOE), launched 12:00Z, 9.3 hours before the alert went out and 133 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
- 898 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 1268 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 291 m²/s²
- 0-3 km storm-relative helicity
- 328 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
568
WFUS53 KTOP 072116
TORTOP
KSC117-072145-
/O.NEW.KTOP.TO.W.0031.150907T2116Z-150907T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
416 PM CDT MON SEP 7 2015
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN MARSHALL COUNTY IN NORTHEASTERN KANSAS...
* UNTIL 445 PM CDT
* AT 416 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR ODELL...MOVING EAST AT 30 MPH.
HAZARD...TORNADO AND HAIL UP TO TWO INCHES IN DIAMETER.
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 DANGEROUS STORM WILL BE NEAR...
OKETO AROUND 435 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.
&&
LAT...LON 3987 9651 3990 9681 4000 9680 4000 9647
TIME...MOT...LOC 2116Z 290DEG 27KT 4000 9677
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$
BOWEN2 follow-up statements
252
WWUS53 KTOP 072121
SVSTOP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
421 PM CDT MON SEP 7 2015
KSC117-072145-
/O.CON.KTOP.TO.W.0031.000000T0000Z-150907T2145Z/
MARSHALL-
421 PM CDT MON SEP 7 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHWESTERN MARSHALL COUNTY...
AT 418 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR ODELL...AND IS
MOVING EAST AT 30 MPH.
HAZARD...DAMAGING TORNADO AND TWO INCH HAIL.
SOURCE...TRAINED SPOTTERS CONFIRMED TORNADO. AT 420 PM CDT...
TRAINED SPOTTERS REPORTED DEBRIS BUT WAS UNABLE TO VIEW THE FUNNEL 3
MILES NORTH OF BREMEN.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS TORNADO WILL BE NEAR...
OKETO AROUND 435 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3987 9651 3990 9681 4000 9680 4000 9647
TIME...MOT...LOC 2118Z 290DEG 27KT 3998 9674
TORNADO...OBSERVED
HAIL...2.00IN
$$
BOWEN265
WWUS53 KTOP 072132
SVSTOP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
432 PM CDT MON SEP 7 2015
KSC117-072145-
/O.CON.KTOP.TO.W.0031.000000T0000Z-150907T2145Z/
MARSHALL-
432 PM CDT MON SEP 7 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHWESTERN MARSHALL COUNTY...
AT 431 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER OKETO...MOVING EAST AT 35 MPH.
HAZARD...TORNADO AND TWO INCH HAIL.
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 DANGEROUS STORM WILL BE NEAR...
OKETO AROUND 435 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.
&&
LAT...LON 3987 9651 3993 9677 4000 9677 4000 9647
TIME...MOT...LOC 2131Z 274DEG 29KT 3998 9663
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$
BOWENThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 3:19 PM CDT | Severe Thunderstorm Warning | TOP | Washington | 41 min |
| Sep 7, 3:39 PM CDT | Tornado Warning | TOP | Washington | 36 min |
| Sep 7, 4:14 PM CDT | Tornado Warning | TOP | Washington | 9 min |
| Sep 7, 4:44 PM CDT | Tornado Warning | TOP | Marshall | 31 min |
| Sep 7, 5:13 PM CDT | Special Weather Statement | TOP | Nemaha | 32 min |
| Sep 7, 5:24 PM CDT | Special Weather Statement | TOP | Ottawa | 36 min |
| Sep 7, 5:29 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson | 46 min |
| Sep 7, 6:07 PM CDT | Special Weather Statement | TOP | Dickinson | 38 min |
Nearby
Tornado Warnings in Kansas, 2015Every tornado warning in 2015Tornadoes in 2015
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.