Alert archive / Illinois / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 50, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 30, 2016, 8:25 PM CDT for Adams County, Brown County, Pike County, Illinois. It was in force for 50 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
- Apr 30, 2016, 8:25 PM CDT (01:25 UTC)
- Expired
- Apr 30, 2016, 9:15 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Adams County, IL, Brown County, IL, Pike County, IL
The radar
The St Louis radar (KLSX), 117 km from the middle of the area, began a volume at 01:25 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 30, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.4 hours before the alert went out and 189 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
- 481 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted.
162
WUUS53 KLSX 010125
SVRLSX
ILC001-009-149-010215-
/O.NEW.KLSX.SV.W.0050.160501T0125Z-160501T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
825 PM CDT SAT APR 30 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...
SOUTHEASTERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
SOUTH CENTRAL BROWN COUNTY IN WEST CENTRAL ILLINOIS...
* UNTIL 915 PM CDT
* AT 825 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BEVERLY...
MOVING EAST AT 50 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
* LOCATIONS IMPACTED INCLUDE...
PITTSFIELD...BARRY...GRIGGSVILLE...BEVERLY...PERRY...BAYLIS...
CHAMBERSBURG...NEW SALEM...DETROIT...EL DARA...VALLEY CITY AND
FISHHOOK.
THIS INCLUDES INTERSTATE 72 BETWEEN EXITS 20 AND 35.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3988 9058 3977 9061 3971 9065 3969 9065
3966 9062 3958 9064 3963 9107 3978 9108
3981 9095 3981 9091
TIME...MOT...LOC 0125Z 264DEG 42KT 3972 9092
HAIL...1.00IN
WIND...<50MPH
$$
GLASS2 follow-up statements
450
WWUS53 KLSX 010145
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
845 PM CDT SAT APR 30 2016
ILC001-009-010154-
/O.CAN.KLSX.SV.W.0050.000000T0000Z-160501T0215Z/
ADAMS IL-BROWN IL-
845 PM CDT SAT APR 30 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ADAMS AND SOUTH
CENTRAL BROWN COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
WEST CENTRAL ILLINOIS.
LAT...LON 3977 9061 3971 9065 3969 9065 3966 9062
3958 9064 3962 9098 3973 9097 3976 9090
3981 9080 3980 9060
TIME...MOT...LOC 0144Z 289DEG 27KT 3966 9084
$$
ILC149-010215-
/O.CON.KLSX.SV.W.0050.000000T0000Z-160501T0215Z/
PIKE IL-
845 PM CDT SAT APR 30 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR NORTHEASTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...
AT 844 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PITTSFIELD...
MOVING EAST AT 30 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
LOCATIONS IMPACTED INCLUDE...
PITTSFIELD...GRIGGSVILLE...PERRY...BAYLIS...NEW SALEM...DETROIT AND VALLEY
CITY.
THIS INCLUDES INTERSTATE 72 BETWEEN EXITS 31 AND 35.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3977 9061 3971 9065 3969 9065 3966 9062
3958 9064 3962 9098 3973 9097 3976 9090
3981 9080 3980 9060
TIME...MOT...LOC 0144Z 289DEG 27KT 3966 9084
HAIL...1.00IN
WIND...<50MPH
$$
GLASS476
WWUS53 KLSX 010216 RRA
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
916 PM CDT SAT APR 30 2016
ILC149-010226-
/O.EXP.KLSX.SV.W.0050.000000T0000Z-160501T0215Z/
PIKE IL-
916 PM CDT SAT APR 30 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PIKE COUNTY IN
WEST CENTRAL ILLINOIS HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS. THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER
SMALL HAIL AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
WEST CENTRAL ILLINOIS.
LAT...LON 3977 9061 3971 9065 3969 9065 3966 9062
3958 9064 3962 9098 3973 9097 3976 9090
3981 9080 3980 9060
TIME...MOT...LOC 0212Z 264DEG 42KT 3966 9084
$$
GLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 7:25 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 50 min |
| Apr 30, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 47 min |
| Apr 30, 8:09 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Madison, Saint Clair | 51 min |
| Apr 30, 8:31 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Monroe, Saint Clair, Washington | 44 min |
| Apr 30, 9:56 PM CDT | Areal Flood Advisory | LSX | Monroe | 3 hr |
| May 1, 6:39 PM CDT | Special Weather Statement | LSX | Fayette | 51 min |
| May 1, 6:58 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 29 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2016Every severe thunderstorm warning in 2016
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.