Alert archive / Kansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 92, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jul 7, 2012, 11:39 PM CDT for Clay County, Dickinson County, Kansas. It was in force for 36 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
- Jul 7, 2012, 11:39 PM CDT (04:39 UTC)
- Expired
- Jul 8, 2012, 12:15 AM CDT
- In force
- 36 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Clay County, KS, Dickinson County, KS
The radar
The Topeka radar (KTWX), 74 km from the middle of the area, began a volume at 04:40 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 |
|---|---|---|---|
| Jul 7, 11:55 PM CDT | TSTM WND DMG | 8 N Chapman, KS | DELAYED REPORT...PUBLIC ESTIMATED 55-58 MPH WINDS...SMALL LIMBS UP TO 2 INCHES IN DIAMETER BROKEN...PEA SIZED HAIL...WIND BLEW UMBRELLA INTO TREES |
| Jul 7, 11:56 PM CDT | HAIL 0.75 | 9 N Chapman, KS | DELAYED REPORT...TWO PUBLIC REPORTS OF DIME SIZED HAIL AND WINDS AT LEAST 50 MPH |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 4.7 hours before the alert went out and 125 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
- 205 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 3326 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
494
WUUS53 KTOP 080439
SVRTOP
KSC027-041-080515-
/O.NEW.KTOP.SV.W.0092.120708T0439Z-120708T0515Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1139 PM CDT SAT JUL 7 2012
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CLAY COUNTY IN NORTH CENTRAL KANSAS...
NORTH CENTRAL DICKINSON COUNTY IN CENTRAL KANSAS...
* UNTIL 1215 AM CDT
* AT 1136 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES
SOUTHWEST OF MILFORD LAKE...AND MOVING NORTHWEST AT 10 MPH.
HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
* LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF EXTREME SOUTHERN CLAY AND NORTHERN DICKINSON
COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3906 9717 3921 9714 3918 9696 3903 9697
TIME...MOT...LOC 0439Z 113DEG 9KT 3910 9702
HAIL...0.88IN
WIND...60 MPH
$$
BLAIR1 follow-up statement
602 WWUS53 KTOP 080512 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 1212 AM CDT SUN JUL 8 2012 KSC027-041-080522- /O.EXP.KTOP.SV.W.0092.000000T0000Z-120708T0515Z/ CLAY KS-DICKINSON KS- 1212 AM CDT SUN JUL 8 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DICKINSON AND SOUTHEASTERN CLAY COUNTIES WILL EXPIRE AT 1215 AM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 3906 9717 3921 9714 3918 9696 3903 9697 TIME...MOT...LOC 0512Z 113DEG 9KT 3913 9712 $$ BLAIR
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 7:02 PM CDT | Special Weather Statement | TOP | Anderson | 28 min |
| Jul 7, 8:39 PM CDT | Special Weather Statement | TOP | Lyon | 21 min |
| Jul 7, 10:57 PM CDT | Special Weather Statement | TOP | Morris | 33 min |
| Jul 7, 11:35 PM CDT | Special Weather Statement | TOP | Clay | 25 min |
| Jul 8, 1:51 PM CDT | Special Weather Statement | TOP | Osage | 24 min |
| Jul 8, 2:41 PM CDT | Special Weather Statement | TOP | Brown | 34 min |
| Jul 8, 3:33 PM CDT | Special Weather Statement | TOP | Douglas | 12 min |
| Jul 8, 3:54 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Jefferson | 21 min |
| Jul 8, 4:12 PM CDT | Severe Thunderstorm Warning | TOP | Douglas | 33 min |
| Jul 8, 4:41 PM CDT | Special Weather Statement | TOP | Douglas | 34 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 2012Every severe thunderstorm warning in 2012
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.