Alert archive / Kansas / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 125, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jul 6, 2015, 3:40 PM CDT for Shawnee County, Wabaunsee County, Kansas. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 6, 2015, 3:40 PM CDT (20:40 UTC)
- Expired
- Jul 6, 2015, 4:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Shawnee County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 22 km from the middle of the area, began a volume at 20:42 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 6, 3:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Topeka, KS (KFOE), launched 12:00Z, 8.7 hours before the alert went out and 29 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
- 625 J/kg
- Mixed-layer CIN
- -194 J/kg
- Mixed-layer LCL
- 1151 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 6, 3:19 PM CDT, 21 minutes earlier.
Area forecast discussion, Jul 6, 3:19 PM CDT, 21 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TOPEKA KS 319 PM CDT MON JUL 6 2015 .SHORT TERM...(THIS EVENING THROUGH TUESDAY) ISSUED AT 307 PM CDT MON JUL 6 2015 ONGOING THUNDERSTORMS ARE LIKELY TO CONTINUE TO PUSH QUICKLY EAST AND NORTHEAST AND ARE ALSO LIKELY TO GAIN INTENSITY THROUGH LATE AFTERNOON INTO EARLY EVENING AS THEY MOVE INTO AN INCREASINGLY UNSTABLE ENVIRONMENT. WIND SHEAR REMAINS MARGINAL FOR STORM ORGANIZATION BUT COLD POOLS ARE ORGANIZING WELL AND SURGING EAST WITH REPORTS TO 70 MPH ALREADY AND POCKETS OF 70 MPH OR STRONGER LIKELY TO PERSIST WITHIN THE STRONGEST STORMS. VERY HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS WITH REPORTS OF AT LEAST TEMPORARY RATES OF 1.25 INCHES IN 30 MINUTES. THIS RAIN INTENSITY IS ALSO LIKELY TO CONTINUE OR EVEN INTENSIFY WITH RAINFALL RATES POTENTIALLY EXCEEDING 2 INCHES PER HOUR AT TIMES. THE NEAR TERM FORECAST IS THE FOCUS OF THIS FORECAST PACKAGE AND WITH WARNINGS ONGOING, WILL FOCUS THE DISCUSSION ON THIS PERIOD. STORMS ARE LIKELY TO QUICKLY PUSH SOUTHEAST GIVEN THE COLD POOL ORGANIZATION AND PUSH OUT OF EAST CENTRAL KANSAS BY MID EVENING. WHILE SOME REDEVELOPMENT IS POSSIBLE IN AN ELEVATED NATURE BEHIND THE FRONT OVERNIGHT DO NOT EXPECT THE SEVERE THREAT TO CONTINUE MUCH BEYOND THE INITIAL SEVERE LINE. HOWEVER...THE HEAVY RAIN POTENTIAL WILL CONTINUE INTO THE OVERNIGHT HOURS MAINLY IN EAST CENTRAL KANSAS...MAINLY FOCUSED IN THE FLASH FLOOD WATCH AREA. .LONG TERM...(TUESDAY NIGHT THROUGH MONDAY) ISSUED AT 307 PM CDT MON JUL 6 2015 THE MID AND LONG TERM PERIOD HAS CHANGED LITTLE IN TERMS OF THE FORECAST. HAVE MAINTAINED THE LONG-LIVED FLASH FLOOD WATCH ALTHOUGH WITH LOWER END CONFIDENCE BEYOND TONIGHT. HOWEVER... IT APPEARS LIKELY THAT ONE OR MORE ROUNDS OF HEAVY RAIN WILL MOVE THROUGH THE AREA WITH THE BEST CHANCE FOR THESE IN EAST CENTRAL KANSAS COUNTIES. THE GFS IS THE DRY OUTLIER OF THE MODEL SUITE WITH THE TREND BEING SOUTH OF THE AREA WITH THE HEAVIEST PRECIPITATION BUT OTHER GUIDANCE IS PERSISTENT ENOUGH WITH BRINGING HEAVY RAIN INTO THE AREA THAT IT WARRANTS WATCH CONTINUATION. THE LONG TERM FORECAST LOOKS TO DRY OUT AND HEAT UP AS AN UPPER RIDGE GRADUALLY BUILDS INTO THE AREA. && .AVIATION...(FOR THE 18Z TAFS THROUGH 18Z TUESDAY AFTERNOON) ISSUED AT 1231 PM CDT MON JUL 6 2015 GUSTY SOUTHERLY AND SOUTHWESTERLY WINDS EARLY THIS AFTERNOON WITH POTENTIAL FOR SCATTERED THUNDERSTORMS BEFORE THE PUSH FROM THE COLD FRONT ARRIVES AT THE TERMINALS FROM 20-23Z TIME FRAME GENERALLY ADVANCING FROM NORTHWEST TO SOUTHEAST. AFTER THAT, MORE WIDESPREAD AND PROLONGED RAIN IS EXPECTED INTO THE OVERNIGHT HOURS. VARYING VIS/CIG CONDITIONS SHOULD BE EXPECTED WITH PERIODS OF MVFR TO IFR CONDITIONS POSSIBLE AND THEN A PERIOD OF IFR POSSIBLE IN THE MORNING EARLY BEFORE GENERALLY IMPROVING CONDITIONS CAN BE EXPECTED AFTER AROUND THE 14Z TIME FRAME. AFTER FROPA, WINDS SHOULD BE GUSTY FROM THE NORTH/NORTHWEST. && .TOP WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH THROUGH WEDNESDAY EVENING FOR KSZ040-054>056- 058-059. && SHORT TERM...BARJENBRUCH/SANDERS LONG TERM...BARJENBRUCH AVIATION...DRAKE
Hazardous weather outlook, Jul 6, 3:05 PM CDT, 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TOPEKA KS 305 PM CDT MON JUL 6 2015 KSZ008>012-020>024-026-034>040-054>056-058-059-072015- REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY- POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS- WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON- 305 PM CDT MON JUL 6 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL...NORTH CENTRAL AND NORTHEAST KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT. THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THIS EVENING. SOME OF THESE STORMS WILL BE SEVERE...CAPABLE OF PRODUCING WINDS TO 70 MPH. TORRENTIAL RAINFALL IS ALSO LIKELY AND MAY PRODUCE FLASH FLOODING. THE AREA WITH THE GREATEST RISK FOR DAMAGING WINDS AND FLASH FLOODING IS SOUTH OF AN ABILENE TO WESTMORELAND TO HIAWATHA LINE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. A FLASH FLOOD WATCH CONTINUES THROUGH WEDNESDAY AFTERNOON ALONG AND SOUTH OF A LINE FROM EMPORIA TO LAWRENCE WITH MULTIPLE ROUNDS OF HEAVY RAINFALL EXPECTED MAINLY TUESDAY NIGHT AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THROUGH 10 PM. && MORE DETAILED INFORMATION CAN BE ACCESSED AT... HTTP://WWW.WEATHER.GOV/TOP/SITREP
In the hours before
Local storm report, Jul 6, 2:47 PM CDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
247 PM CDT MON JUL 06 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0247 PM HEAVY RAIN MARYSVILLE 39.84N 96.65W
07/06/2015 E1.02 INCH MARSHALL KS PUBLIC
FELL IN 45 MINUTES
&&
BAERGLocal storm report, Jul 6, 3:00 PM CDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
300 PM CDT MON JUL 6 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0259 PM TSTM WND GST 4 SSW GRANDVIEW PLAZA 38.97N 96.81W
07/06/2015 E70 MPH GEARY KS PUBLIC
&&
BAERGSpecial weather statement, Jul 6, 3:01 PM CDT, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
301 PM CDT MON JUL 6 2015
KSZ024-026-039-062030-
JACKSON-JEFFERSON-SHAWNEE-
301 PM CDT MON JUL 6 2015
...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL SHAWNEE...
SOUTHEASTERN JACKSON AND NORTHERN JEFFERSON COUNTIES UNTIL 330 PM
CDT...
AT 301 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6
MILES EAST OF DELIA...MOVING NORTHEAST AT 15 MPH.
WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
VALLEY FALLS...HOYT...NORTONVILLE...MAYETTA...DENISON AND DELIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 3938 9519 3911 9587 3925 9597 3947 9557
3942 9557 3942 9518 3939 9518
TIME...MOT...LOC 2001Z 242DEG 13KT 3923 9585Local storm report, Jul 6, 3:12 PM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
312 PM CDT MON JUL 6 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0311 PM TSTM WND GST 4 SE GRANDVIEW PLAZA 38.99N 96.74W
07/06/2015 E70 MPH GEARY KS TRAINED SPOTTER
SEVERAL 2-3 INCH TREE LIMBS DOWN
&&
BAERGSpecial weather statement, Jul 6, 3:33 PM CDT, 7 minutes before
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</html>Local storm report, Jul 6, 3:40 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:39 AM CDT | Flash Flood Watch | TOP | Anderson, Coffey, Douglas, Franklin, Lyon, Osage | 48 hr |
| Jul 6, 12:48 PM CDT | Special Weather Statement | TOP | Marshall | 27 min |
| Jul 6, 1:09 PM CDT | Special Weather Statement | TOP | Marshall | 51 min |
| Jul 6, 1:26 PM CDT | Special Weather Statement | TOP | Nemaha | 49 min |
| Jul 6, 2:13 PM CDT | Special Weather Statement | TOP | Dickinson | 47 min |
| Jul 6, 2:39 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson, Geary, Morris, Riley | 51 min |
| Jul 6, 3:01 PM CDT | Special Weather Statement | TOP | Jefferson | 29 min |
| Jul 6, 3:05 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson, Geary, Morris, Wabaunsee | 40 min |
| Jul 6, 3:12 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson, Morris | 33 min |
| Jul 6, 3:17 PM CDT | Areal Flood Advisory | TOP | Jackson, Shawnee | 118 min |
| Jul 6, 3:31 PM CDT | Flash Flood Warning | TOP | Jackson, Shawnee | 4 hr |
| Jul 6, 3:33 PM CDT | Special Weather Statement | TOP | Wabaunsee | 42 min |
| Jul 6, 3:37 PM CDT | Areal Flood Advisory | TOP | Geary, Jackson, Morris, Pottawatomie, Riley, Shawnee and 1 more | 3 hr |
| Jul 6, 3:55 PM CDT | Severe Thunderstorm Warning | TOP | Osage, Shawnee, Wabaunsee | 50 min |
| Jul 6, 4:25 PM CDT | Areal Flood Advisory | TOP | Shawnee, Wabaunsee | 3 hr |
| Jul 6, 4:27 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin, Osage, Shawnee | 48 min |
| Jul 6, 4:35 PM CDT | Special Weather Statement | TOP | Shawnee | 25 min |
| Jul 6, 4:54 PM CDT | Special Weather Statement | TOP | Douglas | 36 min |
| Jul 6, 4:56 PM CDT | Areal Flood Advisory | TOP | Douglas, Jefferson, Shawnee | 2 hr |
| Jul 6, 5:00 PM CDT | Special Weather Statement | TOP | Douglas, Franklin | 45 min |
| Jul 6, 5:15 PM CDT | Tornado Warning | TOP | Douglas | 15 min |
| Jul 6, 6:17 PM CDT | River Flood Warning | TOP | Jackson, Shawnee | 21 hr |
Nearby
Severe Thunderstorm Warnings in Kansas, 2015Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.