Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 66, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at May 28, 2012, 9:28 PM CDT for Cooper County, Pettis County, Missouri. It was in force for 32 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 28, 2012, 9:28 PM CDT (02:28 UTC)
- Expired
- May 28, 2012, 10:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Cooper County, MO, Pettis County, MO
The radar
The Pleasant Hill radar (KEAX), 106 km from the middle of the area, began a volume at 02:29 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 28, 9:40 PM CDT | HAIL 0.88 | Smithton, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.5 hours before the alert went out and 211 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
- 1923 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1564 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
079
WUUS53 KEAX 290228
SVREAX
MOC053-159-290300-
/O.NEW.KEAX.SV.W.0066.120529T0228Z-120529T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
928 PM CDT MON MAY 28 2012
THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN COOPER COUNTY IN CENTRAL MISSOURI...
EAST CENTRAL PETTIS COUNTY IN CENTRAL MISSOURI...
* UNTIL 1000 PM CDT
* AT 925 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
OTTERVILLE...AND MOVING NORTHEAST AT 10 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS.
RECENT LOCAL STORM REPORTS: AT 913 PM...TRAINED WEATHER SPOTTERS
REPORTED QUARTER SIZE HAIL 2 MILES NORTH-NORTHEAST OF SMITHTON.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
* LOCATIONS IMPACTED INCLUDE...
OTTERVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3869 9305 3863 9306 3860 9323 3869 9321
3878 9307 3884 9291 3868 9286
TIME...MOT...LOC 0227Z 247DEG 9KT 3875 9303
HAIL...1.00IN
WIND...<50 MPH
$$
ACH2 follow-up statements
438
WWUS53 KEAX 290244
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
944 PM CDT MON MAY 28 2012
MOC053-159-290300-
/O.CON.KEAX.SV.W.0066.000000T0000Z-120529T0300Z/
COOPER MO-PETTIS MO-
944 PM CDT MON MAY 28 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
PETTIS AND SOUTHWESTERN COOPER COUNTIES UNTIL 1000 PM CDT...
AT 942 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OTTERVILLE...
AND MOVING NORTHEAST AT 10 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF WESTERN COOPER COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3869 9305 3863 9306 3860 9323 3869 9321
3878 9307 3884 9291 3868 9286
TIME...MOT...LOC 0244Z 247DEG 9KT 3877 9298
HAIL...1.00IN
WIND...<50 MPH
$$
ACH502
WWUS53 KEAX 290259
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
959 PM CDT MON MAY 28 2012
MOC053-159-290309-
/O.EXP.KEAX.SV.W.0066.000000T0000Z-120529T0300Z/
COOPER MO-PETTIS MO-
959 PM CDT MON MAY 28 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PETTIS AND
SOUTHWESTERN COOPER COUNTIES WILL EXPIRE AT 1000 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. HOWEVER...SMALL HAIL TO THE SIZE OF NICKELS IS STILL
POSSIBLE IN THE STRONGER STORMS.
LAT...LON 3869 9305 3863 9306 3860 9323 3869 9321
3878 9307 3884 9291 3868 9286
TIME...MOT...LOC 0259Z 247DEG 9KT 3878 9294
$$
ACHThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 8:28 PM CDT | Special Weather Statement | EAX | Cooper | 47 min |
| May 28, 8:55 PM CDT | Areal Flood Advisory | EAX | Cooper, Howard, Pettis | 4 hr |
| May 28, 9:01 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Pettis | 29 min |
| May 28, 9:58 PM CDT | Special Weather Statement | EAX | Pettis | 47 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.