Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 188, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 2, 2012, 2:39 PM CDT for Montgomery County, Missouri. It was in force for 36 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 2, 2012, 2:39 PM CDT (19:39 UTC)
- Expired
- Jul 2, 2012, 3:15 PM CDT
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Montgomery County, MO
The radar
The St Louis radar (KLSX), 78 km from the middle of the area, began a volume at 19:39 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 2, 2:55 PM CDT | HAIL 0.5 | Wellsville, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.7 hours before the alert went out and 278 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
- 2475 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1566 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 34 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.
080
WUUS53 KLSX 021939
SVRLSX
MOC139-022015-
/O.NEW.KLSX.SV.W.0188.120702T1939Z-120702T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
239 PM CDT MON JUL 2 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 315 PM CDT
* AT 235 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MONTGOMERY
CITY...AND MOVING NORTHEAST AT 15 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
* LOCATIONS IMPACTED INCLUDE...
WELLSVILLE...BUELL...BELLFLOWER AND MIDDLETOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 3899 9164 3915 9162 3914 9136 3913 9126
3885 9127 3885 9164
TIME...MOT...LOC 1939Z 215DEG 12KT 3901 9149
HAIL...1.00IN
WIND...60 MPH
$$
TILLY2 follow-up statements
714
WWUS53 KLSX 021954
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
254 PM CDT MON JUL 2 2012
MOC139-022015-
/O.CON.KLSX.SV.W.0188.000000T0000Z-120702T2015Z/
MONTGOMERY MO-
254 PM CDT MON JUL 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MONTGOMERY
COUNTY UNTIL 315 PM CDT...
AT 250 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WELLSVILLE...
AND MOVING NORTH AT 10 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
WELLSVILLE AND MIDDLETOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST
LOUIS.
&&
LAT...LON 3899 9164 3915 9162 3914 9136 3913 9126
3885 9127 3885 9164
TIME...MOT...LOC 1955Z 190DEG 7KT 3905 9153
HAIL...1.00IN
WIND...60 MPH
$$
TILLY443
WWUS53 KLSX 022015
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
315 PM CDT MON JUL 2 2012
MOC139-022025-
/O.EXP.KLSX.SV.W.0188.000000T0000Z-120702T2015Z/
MONTGOMERY MO-
315 PM CDT MON JUL 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR MONTGOMERY COUNTY HAS
EXPIRED...
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 WILL STILL POSSIBLE WITH THUNDERSTORMS IN THE
AREA.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.
LAT...LON 3899 9164 3915 9162 3914 9136 3913 9126
3885 9127 3885 9164
TIME...MOT...LOC 1954Z 191DEG 10KT 3904 9159
$$
TILLYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 2:34 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 26 min |
| Jul 2, 2:38 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Warren | 37 min |
| Jul 2, 3:40 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade | 21 min |
| Jul 2, 3:59 PM CDT | Heat Advisory | LSX | Knox, Lewis, Marion, Monroe, Ralls, Shelby | 5 days |
| Jul 2, 6:39 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 51 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.