Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 82, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jul 7, 2012, 6:41 PM CDT for Grundy County, Sullivan County, Missouri. It was in force for 34 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
- Jul 7, 2012, 6:41 PM CDT (23:41 UTC)
- Expired
- Jul 7, 2012, 7:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Grundy County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 163 km from the middle of the area, began a volume at 23:42 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 7, 6:48 PM CDT | TSTM WND GST 60 | 8 E Trenton, MO |
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 12:00Z, 11.7 hours before the alert went out and 227 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
- 349 J/kg
- Mixed-layer CIN
- -258 J/kg
- Mixed-layer LCL
- 2203 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
832
WUUS53 KEAX 072341
SVREAX
MOC079-211-080015-
/O.NEW.KEAX.SV.W.0082.120707T2341Z-120708T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
641 PM CDT SAT JUL 7 2012
THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN GRUNDY COUNTY IN NORTH CENTRAL MISSOURI...
SOUTHWESTERN SULLIVAN COUNTY IN NORTH CENTRAL MISSOURI...
* UNTIL 715 PM CDT
* AT 637 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GALT...AND
MOVING SOUTH AT 5 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
BROKEN.
* LOCATIONS IMPACTED INCLUDE...
LAREDO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN
PLEASANT HILL.
&&
LAT...LON 4014 9332 4004 9335 4002 9347 4008 9358
4015 9357 4019 9352 4021 9343 4018 9334
TIME...MOT...LOC 2341Z 011DEG 4KT 4010 9346
HAIL...<.75IN
WIND...60 MPH
$$
DUX2 follow-up statements
857
WWUS53 KEAX 072349
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
649 PM CDT SAT JUL 7 2012
MOC079-211-080015-
/O.CON.KEAX.SV.W.0082.000000T0000Z-120708T0015Z/
GRUNDY MO-SULLIVAN MO-
649 PM CDT SAT JUL 7 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
SULLIVAN AND EASTERN GRUNDY COUNTIES UNTIL 715 PM CDT...
AT 646 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GALT...AND
MOVING SOUTH AT 5 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
BROKEN.
AT 648 PM...AMATEUR RADIO OPERATORS REPORTED A 60 MPH WIND GUST 8
MILES EAST OF TRENTON.
LOCATIONS IMPACTED INCLUDE...
LAREDO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN
PLEASANT HILL.
&&
LAT...LON 4014 9332 4004 9335 4002 9347 4008 9358
4015 9357 4019 9352 4021 9343 4018 9334
TIME...MOT...LOC 2349Z 011DEG 4KT 4009 9346
HAIL...<.75IN
WIND...60 MPH
$$
DUX293
WWUS53 KEAX 080006
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
706 PM CDT SAT JUL 7 2012
MOC079-211-080016-
/O.EXP.KEAX.SV.W.0082.000000T0000Z-120708T0015Z/
GRUNDY MO-SULLIVAN MO-
706 PM CDT SAT JUL 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SULLIVAN AND
EASTERN GRUNDY COUNTIES WILL EXPIRE AT 715 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.
LAT...LON 4014 9332 4004 9335 4002 9347 4008 9358
4015 9357 4019 9352 4021 9343 4018 9334
TIME...MOT...LOC 0006Z 011DEG 4KT 4007 9346
$$
DUXThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 4:42 PM CDT | Special Weather Statement | EAX | Henry | 33 min |
| Jul 7, 5:12 PM CDT | Special Weather Statement | EAX | Henry | 48 min |
| Jul 7, 5:38 PM CDT | Special Weather Statement | EAX | Gentry | 37 min |
| Jul 7, 5:47 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, DeKalb, Gentry, Nodaway | 19 min |
| Jul 7, 5:57 PM CDT | Special Weather Statement | EAX | Harrison | 33 min |
| Jul 7, 6:00 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Gentry, Harrison | 20 min |
| Jul 7, 6:36 PM CDT | Special Weather Statement | EAX | Grundy | 24 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.