Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 86, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jul 18, 2012, 8:23 PM CDT for Buchanan County, Platte County, Missouri. It was in force for 22 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 18, 2012, 8:23 PM CDT (01:23 UTC)
- Expired
- Jul 18, 2012, 8:45 PM CDT
- In force
- 22 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Buchanan County, MO, Platte County, MO
The radar
The Pleasant Hill radar (KEAX), 95 km from the middle of the area, began a volume at 01:25 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 18, 8:30 PM CDT | TSTM WND DMG | De Kalb, MO | DELAYED REPORT...BRANCHES DOWN AND BRIEF POWER OUTAGE...WINDS ESTIMATED AT 60 MPH |
| Jul 18, 8:50 PM CDT | TSTM WND DMG | Dearborn, MO | DELAYED REPORT...BRANCHES DOWN AND A 7 TON FEED BIN WAS BLOWN DOWN...WINDS ESTIMATED AT 65 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, 1.4 hours before the alert went out and 91 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
- 4009 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
602
WUUS53 KEAX 190123
SVREAX
MOC021-165-190145-
/O.NEW.KEAX.SV.W.0086.120719T0123Z-120719T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
823 PM CDT WED JUL 18 2012
THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN BUCHANAN COUNTY IN NORTHWEST MISSOURI...
NORTHWESTERN PLATTE COUNTY IN WEST CENTRAL MISSOURI...
* UNTIL 845 PM CDT
* AT 820 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR RUSHVILLE...
AND MOVING EAST AT 30 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO THREE INCHES IN
DIAMETER BROKEN AND SIGNS BLOWN DOWN.
* LOCATIONS IMPACTED INCLUDE...
DEARBORN...DE KALB AND IATAN
THIS WILL IMPACT
MISSOURI ROUTE 116.
I-29 BETWEEN MILE MARKERS 25 AND 35.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3956 9468 3940 9482 3953 9509 3964 9495
TIME...MOT...LOC 0122Z 285DEG 26KT 3954 9496
HAIL...<.75IN
WIND...60 MPH
$$
BOOKBINDER1 follow-up statement
829
WWUS53 KEAX 190136
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
836 PM CDT WED JUL 18 2012
MOC021-165-190145-
/O.CON.KEAX.SV.W.0086.000000T0000Z-120719T0145Z/
BUCHANAN MO-PLATTE MO-
836 PM CDT WED JUL 18 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
PLATTE AND SOUTHWESTERN BUCHANAN COUNTIES UNTIL 845 PM CDT...
AT 834 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTH OF
WESTON...AND MOVING EAST AT 25 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO THREE INCHES IN
DIAMETER BROKEN AND SIGNS BLOWN DOWN.
LOCATIONS IMPACTED INCLUDE...
DEARBORN...DE KALB...AND IATAN.
THIS WILL IMPACT
I-29 BETWEEN MILE MARKERS 25 AND 33.
MISSOURI HIGHWAY 116.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3961 9493 3955 9472 3940 9482 3953 9509
TIME...MOT...LOC 0135Z 292DEG 20KT 3951 9490
HAIL...<.75IN
WIND...60 MPH
$$
BOOKBINDERThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 7:55 PM CDT | Special Weather Statement | EAX | Buchanan | 35 min |
| Jul 18, 8:45 PM CDT | Severe Thunderstorm Warning | EAX | Buchanan, Platte | 30 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 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.