Alert archive / Kansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 77, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at May 30, 2012, 8:24 PM CDT for Douglas County, Jefferson County, Shawnee County, Kansas. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 30, 2012, 8:24 PM CDT (01:24 UTC)
- Expired
- May 30, 2012, 8:56 PM CDT
- In force
- 32 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Douglas County, KS, Jefferson County, KS, Shawnee County, KS
The radar
The Topeka radar (KTWX), 78 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 30, 3:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 1.4 hours before the alert went out and 27 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
- 219 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 1880 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 345 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
243
WUUS53 KTOP 310124
SVRTOP
KSC045-087-177-310215-
/O.NEW.KTOP.SV.W.0077.120531T0124Z-120531T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
824 PM CDT WED MAY 30 2012
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN DOUGLAS COUNTY IN EAST CENTRAL KANSAS...
SOUTHERN JEFFERSON COUNTY IN NORTHEAST KANSAS...
FAR EASTERN SHAWNEE COUNTY IN EAST CENTRAL KANSAS...
* UNTIL 915 PM CDT
* AT 822 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES SOUTHEAST
OF TECUMSEH...AND MOVING EAST AT 30 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
BROKEN.
* LOCATIONS IMPACTED INCLUDE...
LAWRENCE...PERRY...LECOMPTON...CLINTON LAKE...CLINTON...
WILLIAMSTOWN.
THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 182 AND 205.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3888 9519 3888 9560 3911 9563 3911 9518
3897 9518
TIME...MOT...LOC 0124Z 274DEG 25KT 3897 9549
HAIL...<.75IN
WIND...60 MPH
$$2 follow-up statements
396
WWUS53 KTOP 310137
SVSTOP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
837 PM CDT WED MAY 30 2012
KSC177-310146-
/O.CAN.KTOP.SV.W.0077.000000T0000Z-120531T0215Z/
SHAWNEE KS-
837 PM CDT WED MAY 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHAWNEE COUNTY IS
CANCELLED...
THE STRONGEST WINDS ASSOCIATED WITH THE STORM WHICH PROMPTED THE
WARNING HAD MOVED OUT OF THE WARNED AREA.
LAT...LON 3896 9518 3895 9550 3906 9550 3907 9551
3906 9553 3907 9555 3911 9559 3911 9518
TIME...MOT...LOC 0136Z 263DEG 20KT 3904 9545
$$
KSC045-087-310215-
/O.CON.KTOP.SV.W.0077.000000T0000Z-120531T0215Z/
JEFFERSON KS-DOUGLAS KS-
837 PM CDT WED MAY 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
DOUGLAS AND SOUTHERN JEFFERSON COUNTIES UNTIL 915 PM CDT...
AT 831 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LECOMPTON...
AND MOVING EAST AT 25 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
BROKEN.
LOCATIONS IMPACTED INCLUDE...
LAWRENCE...LECOMPTON...PERRY...WILLIAMSTOWN AND LAWRENCE AIRPORT.
THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 189 AND 205.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3896 9518 3895 9550 3906 9550 3907 9551
3906 9553 3907 9555 3911 9559 3911 9518
TIME...MOT...LOC 0136Z 263DEG 20KT 3904 9545
HAIL...<.75IN
WIND...60 MPH
$$228
WWUS53 KTOP 310156
SVSTOP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
856 PM CDT WED MAY 30 2012
KSC045-087-310206-
/O.CAN.KTOP.SV.W.0077.000000T0000Z-120531T0215Z/
JEFFERSON KS-DOUGLAS KS-
856 PM CDT WED MAY 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DOUGLAS AND
SOUTHERN JEFFERSON COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM AS IT
MOVES ACROSS SOUTHEAST JEFFERSON COUNTY..
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM CDT.
LAT...LON 3896 9518 3895 9550 3906 9550 3907 9551
3906 9553 3907 9555 3911 9559 3911 9518
TIME...MOT...LOC 0156Z 263DEG 20KT 3905 9531
$$The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 7:12 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie, Shawnee, Wabaunsee | 48 min |
| May 30, 7:58 PM CDT | Severe Thunderstorm Warning | TOP | Shawnee | 32 min |
| May 30, 9:24 PM CDT | Special Weather Statement | TOP | Anderson, Franklin | 36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.