Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 32, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 2, 2012, 6:36 AM CST for Lincoln County, Montgomery County, Pike County, Missouri. It was in force for 39 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
- Mar 2, 2012, 6:36 AM CST (12:36 UTC)
- Expired
- Mar 2, 2012, 7:15 AM CST
- In force
- 39 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 50.0 mph
Counties Lincoln County, MO, Montgomery County, MO, Pike County, MO
The radar
The St Louis radar (KLSX), 74 km from the middle of the area, began a volume at 12:37 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 |
|---|---|---|---|
| Mar 2, 6:43 AM CST | HAIL 1 | Montgomery City, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 2, 2:07 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 2, 5:52 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 0.6 hours before the alert went out and 269 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
- 1770 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
872 WUUS53 KLSX 021236 RRA SVRLSX MOC113-139-163-021315- /O.NEW.KLSX.SV.W.0032.120302T1236Z-120302T1315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 636 AM CST FRI MAR 2 2012 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI... MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI... SOUTHWESTERN PIKE COUNTY IN NORTHEAST MISSOURI... * UNTIL 715 AM CST * AT 633 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. THIS STORM WAS LOCATED NEAR MINEOLA...OR 6 MILES WEST OF MONTGOMERY CITY...AND MOVING NORTHEAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... MONTGOMERY CITY...BUELL...BELLFLOWER...NEW HARTFORD...MIDDLETOWN... OLNEY AND SILEX. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 3903 9164 3930 9112 3913 9097 3883 9164 TIME...MOT...LOC 1236Z 237DEG 45KT 3896 9157 WIND...HAIL <50MPH 1.50IN $$ CVKING
2 follow-up statements
201 WWUS53 KLSX 021245 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 645 AM CST FRI MAR 2 2012 MOC113-139-163-021315- /O.CON.KLSX.SV.W.0032.000000T0000Z-120302T1315Z/ LINCOLN MO-MONTGOMERY MO-PIKE MO- 645 AM CST FRI MAR 2 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MONTGOMERY AND NORTHWESTERN LINCOLN COUNTIES IN EAST CENTRAL MISSOURI...AND SOUTH CENTRAL PIKE COUNTY IN NORTHEAST MISSOURI UNTIL 715 AM CST... AT 641 AM CST...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL IN MONTGOMERY CITY. THIS STORM WAS LOCATED NEAR MONTGOMERY CITY...MOVING NORTHEAST AT 50 MPH. LOCATIONS IMPACTED INCLUDE... BUELL...BELLFLOWER...NEW HARTFORD...OLNEY...SILEX AND CYRENE. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 3894 9151 3903 9158 3930 9112 3913 9097 TIME...MOT...LOC 1245Z 237DEG 45KT 3902 9145 WIND...HAIL <50MPH 1.50IN $$ CVKING
623 WWUS53 KLSX 021258 RRA SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 658 AM CST FRI MAR 2 2012 MOC113-139-163-021315- /O.CON.KLSX.SV.W.0032.000000T0000Z-120302T1315Z/ LINCOLN MO-MONTGOMERY MO-PIKE MO- 658 AM CST FRI MAR 2 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MONTGOMERY AND NORTHWESTERN LINCOLN COUNTIES IN EAST CENTRAL MISSOURI...AND SOUTH CENTRAL PIKE COUNTY IN NORTHEAST MISSOURI UNTIL 715 AM CST... AT 654 AM CST...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 6 MILES NORTH OF BELLFLOWER...OR 12 MILES NORTHEAST OF MONTGOMERY CITY...MOVING NORTHEAST AT 50 MPH. LOCATIONS IMPACTED INCLUDE... NEW HARTFORD...SILEX AND CYRENE. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 3900 9134 3914 9139 3930 9112 3913 9097 TIME...MOT...LOC 1258Z 237DEG 45KT 3911 9127 WIND...HAIL <50MPH 1.00IN $$ CVKING
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 3:34 AM CST | Severe Thunderstorm Warning | LSX | Callaway, Cole, Moniteau, Osage | 41 min |
| Mar 2, 3:59 AM CST | Severe Thunderstorm Warning | LSX | Cole, Osage | 46 min |
| Mar 2, 4:08 AM CST | Severe Thunderstorm Warning | LSX | Callaway, Cole, Franklin, Gasconade, Montgomery, Osage and 1 more | 37 min |
| Mar 2, 4:37 AM CST | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Osage | 38 min |
| Mar 2, 4:41 AM CST | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Lincoln, Montgomery, Warren | 49 min |
| Mar 2, 5:10 AM CST | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles, Warren | 39 min |
| Mar 2, 5:13 AM CST | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Saint Louis, Warren | 47 min |
| Mar 2, 5:56 AM CST | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles, Saint Louis, City of Saint Louis | 49 min |
| Mar 2, 5:59 AM CST | Severe Thunderstorm Warning | LSX | Callaway | 28 min |
| Mar 2, 7:07 AM CST | Severe Thunderstorm Warning | LSX | Lincoln, Pike | 30 min |
| Mar 2, 1:59 PM CST | Wind Advisory | LSX | Crawford, Franklin, Gasconade, Iron, Jefferson, Lincoln and 10 more | 4 hr |
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.