Alert archive / Missouri / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 322, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 15, 2011, 4:02 AM CDT for Lincoln County, Montgomery County, Pike County, Missouri; Calhoun County, Greene County, Illinois. It was in force for 43 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
- Jun 15, 2011, 4:02 AM CDT (09:02 UTC)
- Expired
- Jun 15, 2011, 4:45 AM CDT
- In force
- 43 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Calhoun County, IL, Greene County, IL, Lincoln County, MO, Montgomery County, MO, Pike County, MO
The radar
The St Louis radar (KLSX), 67 km from the middle of the area, began a volume at 09:05 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
Lincoln, IL (KILX), launched 00:00Z, 9.0 hours before the alert went out and 210 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
- 2 J/kg
- Mixed-layer CIN
- -693 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 325 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
170
WUUS53 KLSX 150902
SVRLSX
ILC013-061-MOC113-139-163-150945-
/O.NEW.KLSX.SV.W.0322.110615T0902Z-110615T0945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
402 AM CDT WED JUN 15 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
SOUTHERN GREENE COUNTY IN SOUTHWEST ILLINOIS...
NORTHERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
PIKE COUNTY IN NORTHEAST MISSOURI...
* UNTIL 445 AM CDT
* AT 401 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTHEAST OF BELLFLOWER
TO WINFIELD...AND MOVING NORTHEAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
BOWLING GREEN...ELSBERRY...NEW HARTFORD...CURRYVILLE...EOLIA...
CLARKSVILLE...BELLEVIEW...CARROLLTON...GREENFIELD...SILEX...
ASHLEY...ST. CLEMENT...NEW HOPE...WHITESIDE...CYRENE...EDGEWOOD...
HAMBURG...PAYNESVILLE...ANNADA AND MICHAEL.
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 3941 9016 3929 9015 3899 9138 3932 9144
3938 9145
TIME...MOT...LOC 0902Z 235DEG 38KT 3909 9124 3902 9076
WIND...HAIL 60MPH 1.00IN
$$
TILLY1 follow-up statement
643
WWUS53 KLSX 150946
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
446 AM CDT WED JUN 15 2011
ILC013-061-MOC113-139-163-150956-
/O.EXP.KLSX.SV.W.0322.000000T0000Z-110615T0945Z/
CALHOUN IL-GREENE IL-LINCOLN MO-MONTGOMERY MO-PIKE MO-
446 AM CDT WED JUN 15 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GREENE AND CALHOUN
COUNTIES IN SOUTHWEST ILLINOIS...AND MONTGOMERY AND NORTHERN LINCOLN
COUNTIES IN EAST CENTRAL MISSOURI...AND SOUTHERN PIKE COUNTY IN
NORTHEAST MISSOURI HAS BEEN ALLOWED TO EXPIRE...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH
THESE THUNDERSTORMS.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.
LAT...LON 3941 9016 3929 9015 3899 9138 3932 9144
3938 9145
TIME...MOT...LOC 0902Z 235DEG 38KT 3909 9124 3902 9076
$$
TILLYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 12:07 AM CDT | Flash Flood Warning | LSX | Lewis | 8 hr |
| Jun 15, 3:23 AM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 41 min |
| Jun 15, 3:29 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Saint Charles, Warren | 46 min |
| Jun 15, 3:45 AM CDT | Areal Flood Advisory | LSX | Boone, Callaway, Cole, Franklin, Gasconade, Lincoln and 6 more | 3 hr |
| Jun 15, 4:00 AM CDT | Flash Flood Warning | LSX | Lincoln, Montgomery, Warren | 3 hr |
| Jun 15, 6:56 AM CDT | Areal Flood Warning | LSX | Lewis | 12 hr |
| Jun 15, 3:46 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey, Macoupin, Madison | 44 min |
| Jun 15, 4:15 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 48 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2011Severe Thunderstorm Warnings in Illinois, 2011Every severe thunderstorm warning in 2011
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.