Alert archive / Kansas / Tornado Watches in 2015
Tornado Watch 102
The Storm Prediction Center issued this tornado watch at Apr 24, 2015, 3:41 PM CDT for 42 counties in Kansas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 24, 2015, 3:41 PM CDT (20:41 UTC)
- Expired
- Apr 24, 2015, 9:52 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
All 42 counties
Barber County, KS, Barton County, KS, Clay County, KS, Cloud County, KS, Decatur County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Gove County, KS, Graham County, KS, Harper County, KS, Harvey County, KS, Jewell County, KS, Kingman County, KS, Lincoln County, KS, Logan County, KS, Marion County, KS, McPherson County, KS, Mitchell County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Phillips County, KS, Pratt County, KS, Rawlins County, KS, Reno County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Stafford County, KS, Sumner County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS
The radar
The Dodge City radar (KDDC), 115 km from the middle of the area, began a volume at 20:45 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- 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
- 50%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
30 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 3:51 PM CDT | Severe Thunderstorm Warning | GLD | Wallace | 39 min |
| Apr 24, 3:52 PM CDT | Severe Thunderstorm Warning | DDC | Ellis | 53 min |
| Apr 24, 4:16 PM CDT | Tornado Warning | DDC | Ellis | 29 min |
| Apr 24, 4:28 PM CDT | Severe Thunderstorm Warning | GID | Rooks | 32 min |
| Apr 24, 4:28 PM CDT | Severe Thunderstorm Warning | GLD | Wallace | 47 min |
| Apr 24, 4:46 PM CDT | Severe Thunderstorm Warning | DDC | Ellis | 44 min |
| Apr 24, 4:48 PM CDT | Tornado Warning | DDC | Ellis | 27 min |
| Apr 24, 4:49 PM CDT | Severe Thunderstorm Warning | GLD | Wallace | 41 min |
| Apr 24, 4:55 PM CDT | Severe Thunderstorm Warning | GID | Rooks | 35 min |
| Apr 24, 4:55 PM CDT | Severe Thunderstorm Warning | GID | Osborne, Rooks | 35 min |
| Apr 24, 5:03 PM CDT | Tornado Warning | ICT | Russell | 57 min |
| Apr 24, 5:17 PM CDT | Severe Thunderstorm Warning | DDC | Ellis | 13 min |
| Apr 24, 5:25 PM CDT | Severe Thunderstorm Warning | GLD | Wallace | 38 min |
| Apr 24, 5:29 PM CDT | Severe Thunderstorm Warning | GID | Osborne | 31 min |
| Apr 24, 5:36 PM CDT | Severe Thunderstorm Warning | GID | Phillips, Rooks | 24 min |
| Apr 24, 5:38 PM CDT | Tornado Warning | ICT | Russell | 67 min |
| Apr 24, 6:13 PM CDT | Severe Thunderstorm Warning | GLD | Gove | 62 min |
| Apr 24, 6:22 PM CDT | Severe Thunderstorm Warning | DDC | Ellis, Trego | 22 min |
| Apr 24, 6:25 PM CDT | Severe Thunderstorm Warning | ICT | Lincoln | 65 min |
| Apr 24, 6:36 PM CDT | Tornado Warning | ICT | Lincoln | 54 min |
| Apr 24, 6:39 PM CDT | Severe Thunderstorm Warning | DDC | Trego | 51 min |
| Apr 24, 6:40 PM CDT | Severe Thunderstorm Warning | GLD | Gove | 50 min |
| Apr 24, 6:42 PM CDT | Severe Thunderstorm Warning | ICT | Russell | 33 min |
| Apr 24, 7:06 PM CDT | Severe Thunderstorm Warning | GLD | Gove | 54 min |
| Apr 24, 7:21 PM CDT | Severe Thunderstorm Warning | DDC | Trego | 36 min |
| Apr 24, 7:23 PM CDT | Severe Thunderstorm Warning | ICT | Ellsworth, Lincoln, Saline | 52 min |
| Apr 24, 7:39 PM CDT | Severe Thunderstorm Warning | TOP | Ottawa | 51 min |
| Apr 24, 8:02 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Washington | 31 min |
| Apr 24, 8:05 PM CDT | Severe Thunderstorm Warning | ICT | Ellsworth, Saline | 38 min |
| Apr 24, 9:01 PM CDT | Severe Thunderstorm Warning | GLD | Rawlins | 44 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
Dodge City, (KDDC), launched 12:00Z, 8.7 hours before the alert went out and 113 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
- 411 J/kg
- Mixed-layer CIN
- -169 J/kg
- Mixed-layer LCL
- 608 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
940
WWUS20 KWNS 242040
SEL2
SPC WW 242040
KSZ000-250400-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 102
NWS STORM PREDICTION CENTER NORMAN OK
340 PM CDT FRI APR 24 2015
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
NORTHWEST AND CENTRAL KANSAS
* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 340 PM UNTIL
1100 PM CDT.
* PRIMARY THREATS INCLUDE...
A COUPLE TORNADOES POSSIBLE
SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
TO 3 INCHES IN DIAMETER POSSIBLE
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...SCATTERED SEVERE STORMS SHOULD DEVELOP FROM NORTHWEST TO
CENTRAL KANSAS THIS EVENING.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF HILL CITY
KANSAS TO 25 MILES SOUTHEAST OF MEDICINE LODGE KANSAS. 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 99...WW 100...WW 101...
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 25025.
...GRAMS/MEADSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 2:14 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Comanche, Edwards, Ellis, Ellsworth and 21 more | 91 min |
Nearby
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.