Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 36, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 2, 2012, 10:10 AM CST for Bond County, Clinton County, Fayette County, Illinois. It was in force for 50 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, 10:10 AM CST (16:10 UTC)
- Expired
- Mar 2, 2012, 11:00 AM CST
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Bond County, IL, Clinton County, IL, Fayette County, IL
The radar
The St Louis radar (KLSX), 111 km from the middle of the area, began a volume at 16:13 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, 10:21 AM CST | HAIL 1.75 | 3 N Breese, IL |
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, 5:52 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 2, 9:54 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 4.2 hours before the alert went out and 175 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.
970
WUUS53 KLSX 021610
SVRLSX
ILC005-027-051-021700-
/O.NEW.KLSX.SV.W.0036.120302T1610Z-120302T1700Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1010 AM CST FRI MAR 2 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS...
NORTHERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS...
SOUTHWESTERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS...
* UNTIL 1100 AM CST
* AT 1009 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
TRENTON...OR NEAR LEBANON...AND MOVING EAST AT 55 MPH.
* LOCATIONS IMPACTED INCLUDE...
BREESE...CARLYLE...GREENVILLE...ST. ROSE...JAMESTOWN...
POCAHONTAS...BECKEMEYER...BEAVER CREEK...TAMALCO...SHATTUC...
BOULDER...MULBERRY GROVE...PIERRON...STOLLETOWN...DUDLEYVILLE...
HUEY...SMITHBORO...FERRIN...KEYESPORT AND PLEASANT MOUND.
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 3860 8915 3857 8961 3865 8960 3866 8959
3882 8960 3902 8913
TIME...MOT...LOC 1610Z 254DEG 48KT 3865 8973
WIND...HAIL 60MPH 1.00IN
$$
CVKING3 follow-up statements
920 WWUS53 KLSX 021624 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1024 AM CST FRI MAR 2 2012 ILC005-027-051-021700- /O.CON.KLSX.SV.W.0036.000000T0000Z-120302T1700Z/ FAYETTE IL-BOND IL-CLINTON IL- 1024 AM CST FRI MAR 2 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN CLINTON...SOUTHEASTERN BOND AND EXTREME SOUTHWESTERN FAYETTE COUNTIES UNTIL 1100 AM CST... AT 1021 AM CST...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM PRODUCING PING PONG BALL SIZE HAIL. THIS STORM WAS LOCATED NEAR ST. ROSE...OR NEAR BREESE...MOVING EAST AT 60 MPH. LOCATIONS IMPACTED INCLUDE... CARLYLE...TAMALCO...BOULDER...SHATTUC...HUEY...KEYESPORT AND FERRIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 3857 8957 3870 8958 3883 8914 3860 8915 TIME...MOT...LOC 1624Z 259DEG 50KT 3867 8944 WIND...HAIL 60MPH 1.50IN $$ CVKING
678
WWUS53 KLSX 021645
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1045 AM CST FRI MAR 2 2012
ILC005-021655-
/O.CAN.KLSX.SV.W.0036.000000T0000Z-120302T1700Z/
BOND IL-
1045 AM CST FRI MAR 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BOND COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3860 8915 3858 8943 3866 8944 3874 8930
3874 8926 3877 8925 3883 8914
TIME...MOT...LOC 1645Z 259DEG 50KT 3862 8934
$$
ILC027-051-021700-
/O.CON.KLSX.SV.W.0036.000000T0000Z-120302T1700Z/
FAYETTE IL-CLINTON IL-
1045 AM CST FRI MAR 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
CLINTON AND EXTREME SOUTHWESTERN FAYETTE COUNTIES UNTIL 1100 AM
CST...
AT 1043 AM CST...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED
NEAR CARLYLE...MOVING EAST AT 55 MPH.
LOCATIONS IMPACTED INCLUDE...
BOULDER...SHATTUC...HUEY...KEYESPORT AND FERRIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 3860 8915 3858 8943 3866 8944 3874 8930
3874 8926 3877 8925 3883 8914
TIME...MOT...LOC 1645Z 259DEG 50KT 3862 8934
WIND...HAIL 60MPH 1.00IN
$$
CVKING821
WWUS53 KLSX 021700
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1100 AM CST FRI MAR 2 2012
ILC027-051-021710-
/O.EXP.KLSX.SV.W.0036.000000T0000Z-120302T1700Z/
FAYETTE IL-CLINTON IL-
1100 AM CST FRI MAR 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CLINTON AND
EXTREME SOUTHWESTERN FAYETTE COUNTIES HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 6 PM.
LAT...LON 3860 8915 3858 8943 3866 8944 3874 8930
3874 8926 3877 8925 3883 8914
TIME...MOT...LOC 1700Z 259DEG 50KT 3866 8908
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 5:10 AM CST | Severe Thunderstorm Warning | LSX | Calhoun | 39 min |
| Mar 2, 5:56 AM CST | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Macoupin, Madison | 49 min |
| Mar 2, 6:36 AM CST | Severe Thunderstorm Warning | LSX | Bond, Fayette, Macoupin, Madison, Montgomery | 39 min |
| Mar 2, 7:07 AM CST | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 30 min |
| Mar 2, 7:14 AM CST | Severe Thunderstorm Warning | LSX | Bond, Fayette, Montgomery | 25 min |
| Mar 2, 9:49 AM CST | Severe Thunderstorm Warning | LSX | Clinton, Madison, Saint Clair | 41 min |
| Mar 2, 11:12 AM CST | Severe Thunderstorm Warning | LSX | Fayette, Marion | 16 min |
| Mar 2, 11:29 AM CST | Severe Thunderstorm Warning | LSX | Clinton, Randolph, Washington | 31 min |
| Mar 2, 11:41 AM CST | Severe Thunderstorm Warning | LSX | Marion | 49 min |
| Mar 2, 1:59 PM CST | Wind Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 4 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 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.