Alert archive / Kansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 67, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at May 30, 2012, 12:59 AM CDT for Leavenworth County, Wyandotte County, Kansas. It was in force for 31 min. 1 report 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
- May 30, 2012, 12:59 AM CDT (05:59 UTC)
- Expired
- May 30, 2012, 1:30 AM CDT
- In force
- 31 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Leavenworth County, KS, Wyandotte County, KS
The radar
The Pleasant Hill radar (KEAX), 68 km from the middle of the area, began a volume at 06:00 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 |
|---|---|---|---|
| May 30, 1:17 AM CDT | HAIL 0.75 | 3 N Basehor, 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, 6.0 hours before the alert went out and 70 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
- 2795 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
996
WUUS53 KEAX 300559
SVREAX
KSC103-209-300630-
/O.NEW.KEAX.SV.W.0067.120530T0559Z-120530T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1259 AM CDT WED MAY 30 2012
THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL LEAVENWORTH COUNTY IN NORTHEAST KANSAS...
NORTHWESTERN WYANDOTTE COUNTY IN NORTHEAST KANSAS...
* UNTIL 130 AM CDT
* AT 1256 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
TONGANOXIE...AND MOVING EAST AT 30 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
* LOCATIONS IMPACTED INCLUDE...
BASEHOR...FAIRMOUNT...PIPER...MAYWOOD AND WOLCOTT.
THIS WILL IMPACT
I-435 LOOP FROM MILE MARKERS 14 TO 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3926 9484 3925 9483 3923 9483 3921 9483
3920 9478 3912 9477 3914 9506 3918 9507
TIME...MOT...LOC 0558Z 264DEG 24KT 3916 9504
HAIL...1.00IN
WIND...<50 MPH
$$
CDB3 follow-up statements
903
WWUS53 KEAX 300609
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
109 AM CDT WED MAY 30 2012
KSC103-209-300630-
/O.CON.KEAX.SV.W.0067.000000T0000Z-120530T0630Z/
LEAVENWORTH KS-WYANDOTTE KS-
109 AM CDT WED MAY 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
WYANDOTTE AND EAST CENTRAL LEAVENWORTH COUNTIES UNTIL 130 AM CDT...
AT 104 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BASEHOR...AND
MOVING EAST AT 30 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
LOCATIONS IMPACTED INCLUDE...
FAIRMOUNT...PIPER...MAYWOOD AND WOLCOTT.
THIS WILL IMPACT
I-435 LOOP FROM MILE MARKERS 14 TO 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3923 9484 3921 9483 3920 9478 3912 9477
3914 9499 3919 9499
TIME...MOT...LOC 0609Z 264DEG 24KT 3917 9495
HAIL...1.00IN
WIND...<50 MPH
$$
CDB060
WWUS53 KEAX 300617
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
117 AM CDT WED MAY 30 2012
KSC103-300627-
/O.CAN.KEAX.SV.W.0067.000000T0000Z-120530T0630Z/
LEAVENWORTH KS-
117 AM CDT WED MAY 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LEAVENWORTH
COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3920 9490 3920 9489 3920 9479 3920 9478
3912 9477 3914 9490
TIME...MOT...LOC 0617Z 267DEG 34KT 3917 9482
$$
KSC209-300630-
/O.CON.KEAX.SV.W.0067.000000T0000Z-120530T0630Z/
WYANDOTTE KS-
117 AM CDT WED MAY 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
WYANDOTTE COUNTY UNTIL 130 AM CDT...
AT 113 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BASEHOR...AND
MOVING EAST AT 40 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
LOCATIONS IMPACTED INCLUDE...
MAYWOOD AND WOLCOTT.
THIS WILL IMPACT
I-435 LOOP FROM MILE MARKERS 14 TO 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3920 9490 3920 9489 3920 9479 3920 9478
3912 9477 3914 9490
TIME...MOT...LOC 0617Z 267DEG 34KT 3917 9482
HAIL...1.00IN
WIND...<50 MPH
$$
CDB047
WWUS53 KEAX 300625
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
125 AM CDT WED MAY 30 2012
KSC209-300635-
/O.EXP.KEAX.SV.W.0067.000000T0000Z-120530T0630Z/
WYANDOTTE KS-
125 AM CDT WED MAY 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WYANDOTTE COUNTY
WILL EXPIRE AT 130 AM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
LAT...LON 3920 9490 3920 9489 3920 9479 3920 9478
3912 9477 3914 9490
TIME...MOT...LOC 0625Z 267DEG 34KT 3917 9472
$$
CDBThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 12:52 AM CDT | Special Weather Statement | EAX | Leavenworth | 23 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.