Alert archive / Missouri / Special Weather Statements in 2012
Special Weather Statement, NWS Kansas City, MO
NWS Kansas City, MO issued this special weather statement at May 6, 2012, 8:21 PM CDT for Pettis County, Missouri. It was in force for 24 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 6, 2012, 8:21 PM CDT (01:21 UTC)
- Expired
- May 6, 2012, 8:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Kansas City, MO
County Pettis County, MO
The radar
The Pleasant Hill radar (KEAX), 108 km from the middle of the area, began a volume at 01:21 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 nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.4 hours before the alert went out and 226 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
- 768 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 1686 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
836 WWUS83 KEAX 070121 SPSEAX SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 821 PM CDT SUN MAY 6 2012 MOZ045-046-070145- COOPER MO-PETTIS MO- 821 PM CDT SUN MAY 6 2012 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN PETTIS AND WESTERN COOPER COUNTIES UNTIL 845 PM CDT... AT 816 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5 MILES NORTH OF SEDALIA...MOVING EAST AT 35 MPH. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... PILOT GROVE AND CLIFTON CITY. THIS WILL IMPACT I-70 BETWEEN MILE MARKERS 91 AND 98. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. LAT...LON 3895 9284 3870 9283 3872 9331 3889 9330 TIME...MOT...LOC 0121Z 265DEG 32KT 3878 9319 $$ DEROCHE
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 7:14 PM CDT | Special Weather Statement | EAX | Pettis | 46 min |
| May 6, 7:28 PM CDT | Areal Flood Advisory | EAX | Caldwell, Clinton | 4 hr |
| May 6, 7:59 PM CDT | Special Weather Statement | EAX | Saline | 46 min |
| May 6, 8:18 PM CDT | Flash Flood Warning | EAX | Jackson | 6 hr |
| May 6, 8:20 PM CDT | Special Weather Statement | EAX | Ray | 10 min |
| May 6, 8:23 PM CDT | Special Weather Statement | EAX | Chariton, Howard | 37 min |
| May 6, 8:44 PM CDT | River Flood Warning | EAX | Jackson | 3 hr |
| May 6, 8:46 PM CDT | River Flood Warning | EAX | Ray | 40 hr |
| May 6, 9:55 PM CDT | Special Weather Statement | EAX | Cooper | 50 min |
| May 6, 10:39 PM CDT | River Flood Warning | EAX | Cass, Henry, Johnson | 26 hr |
| May 6, 10:39 PM CDT | River Flood Warning | EAX | Bates, Cass, Henry | 11 hr |
| May 6, 11:30 PM CDT | Areal Flood Warning | EAX | Cass, Jackson | 11 hr |
| May 7, 12:22 AM CDT | Special Weather Statement | EAX | Johnson | 23 min |
| May 6, 7:04 PM CDT | Flash Flood Warning | EAX | Johnson | 7 hr |
| May 6, 7:08 PM CDT | Severe Thunderstorm Warning | EAX | Johnson | 37 min |
| May 6, 7:23 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Miami | 24 min |
| May 6, 8:06 PM CDT | Special Weather Statement | EAX | Johnson | 9 min |
| May 6, 8:08 PM CDT | Special Weather Statement | EAX | Miami | 37 min |
| May 6, 8:39 PM CDT | Special Weather Statement | EAX | Miami | 21 min |
| May 6, 9:07 PM CDT | Severe Thunderstorm Warning | EAX | Miami | 23 min |
Nearby
Special Weather Statements in Missouri, 2012Every special weather statement 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.