Alert archive / Kansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 9, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Mar 8, 2012, 12:22 AM CST for Morris County, Kansas. It was in force for 38 min. 3 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
- Mar 8, 2012, 12:22 AM CST (06:22 UTC)
- Expired
- Mar 8, 2012, 1:00 AM CST
- In force
- 38 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Morris County, KS
The radar
The Topeka radar (KTWX), 40 km from the middle of the area, began a volume at 06:22 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 |
|---|---|---|---|
| Mar 8, 12:26 AM CST | HAIL 1 | 4 Ssw Council Grove, KS | LOCATION APPROXIMATED. |
| Mar 8, 12:30 AM CST | HAIL 1 | 3 Sw Council Grove, KS | MANY SMALL TWIGS FROM TREES BROKEN OFF BY THE HAIL. |
| Mar 8, 12:35 AM CST | HAIL 0.88 | 4 Ese Council Grove, KS |
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, 6.4 hours before the alert went out and 80 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 814 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 413 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
501
WUUS53 KTOP 080622
SVRTOP
KSC127-080700-
/O.NEW.KTOP.SV.W.0009.120308T0622Z-120308T0700Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1222 AM CST THU MAR 8 2012
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN MORRIS COUNTY IN EAST CENTRAL KANSAS...
* UNTIL 100 AM CST
* AT 1222 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED 7 MILES SOUTHWEST OF COUNCIL GROVE...MOVING
NORTHEAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
COUNCIL GROVE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE FOR LARGE HAIL AS WELL
AS DEADLY CLOUD TO GROUND LIGHTNING.
STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST
SEVERE WEATHER INFORMATION.
&&
LAT...LON 3854 9656 3860 9668 3883 9643 3883 9639
3874 9639 3874 9635 3864 9635
TIME...MOT...LOC 0623Z 236DEG 40KT 3859 9658
WIND...HAIL <50MPH 1.00IN
$$
BLAIR1 follow-up statement
058
WWUS53 KTOP 080651
SVSTOP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1251 AM CST THU MAR 8 2012
KSC127-080701-
/O.EXP.KTOP.SV.W.0009.000000T0000Z-120308T0700Z/
MORRIS-
1251 AM CST THU MAR 8 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MORRIS COUNTY HAS
EXPIRED...
AT 1251 AM CST...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE AREA...
THUS THE WARNING HAS EXPIRED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RADAR INDICATED THAT HEAVY RAIN...PEA SIZED HAIL...AND GUSTY WINDS WERE
STILL POSSIBLE FROM THE THUNDERSTORM.
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.
&&
LAT...LON 3854 9656 3860 9668 3883 9643 3883 9639
3874 9639 3874 9635 3864 9635
TIME...MOT...LOC 0651Z 236DEG 40KT 3876 9625
$$
BLAIRThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 12:42 AM CST | Severe Thunderstorm Warning | TOP | Lyon, Wabaunsee | 33 min |
| Mar 8, 1:14 AM CST | Special Weather Statement | TOP | Shawnee | 31 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.