Alert archive / Illinois / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 35, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 27, 2016, 10:26 PM CDT for Jersey County, Macoupin County, Madison County, Illinois. It was in force for 34 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
- Apr 27, 2016, 10:26 PM CDT (03:26 UTC)
- Expired
- Apr 27, 2016, 11:00 PM CDT
- In force
- 34 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Jersey County, IL, Macoupin County, IL, Madison County, IL
The radar
The St Louis radar (KLSX), 54 km from the middle of the area, began a volume at 03:28 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 |
|---|---|---|---|
| Apr 27, 10:29 PM CDT | HAIL 1.25 | 1 Nnw Godfrey, IL |
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 00:00Z, 3.4 hours before the alert went out and 187 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
- 1 J/kg
- Mixed-layer CIN
- -253 J/kg
- Mixed-layer LCL
- 591 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
470
WUUS53 KLSX 280326
SVRLSX
ILC083-117-119-280400-
/O.NEW.KLSX.SV.W.0035.160428T0326Z-160428T0400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1026 PM CDT WED APR 27 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN MACOUPIN COUNTY IN SOUTHWESTERN ILLINOIS...
NORTHWESTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
SOUTHEASTERN JERSEY COUNTY IN SOUTHWESTERN ILLINOIS...
* UNTIL 1100 PM CDT
* AT 1025 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GODFREY...
MOVING NORTHEAST AT 25 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
* LOCATIONS IMPACTED INCLUDE...
ALTON...GODFREY...BRIGHTON...BUNKER HILL...SHIPMAN...DORSEY...PIASA...
FIDELITY...MILES STATION...FOSTERBURG...DELHI AND MCCLUSKY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3900 8990 3891 9023 3893 9028 3892 9031
3893 9032 3902 9038 3920 9009
TIME...MOT...LOC 0325Z 241DEG 21KT 3899 9024
HAIL...1.00IN
WIND...<50MPH
$$
TILLY3 follow-up statements
322 WWUS53 KLSX 280336 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1036 PM CDT WED APR 27 2016 ILC083-117-119-280400- /O.CON.KLSX.SV.W.0035.000000T0000Z-160428T0400Z/ MACOUPIN IL-MADISON IL-JERSEY IL- 1036 PM CDT WED APR 27 2016 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTHWESTERN MACOUPIN...NORTHWESTERN MADISON AND SOUTHEASTERN JERSEY COUNTIES IN SOUTHWESTERN ILLINOIS... AT 1036 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BRIGHTON... MOVING NORTHEAST AT 25 MPH. HAZARD...HALF DOLLAR SIZE HAIL. SOURCE...TRAINED WEATHER SPOTTERS. IMPACT...DAMAGE TO VEHICLES IS EXPECTED. LOCATIONS IMPACTED INCLUDE... GODFREY...BRIGHTON...BUNKER HILL...SHIPMAN...PIASA...FIDELITY...MILES STATION...FOSTERBURG...DELHI AND MCCLUSKY. PRECAUTIONARY/PREPAREDNESS ACTIONS... PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM WINDOWS. && LAT...LON 3900 8990 3894 9024 3903 9035 3920 9009 TIME...MOT...LOC 0336Z 241DEG 21KT 3902 9016 HAIL...1.25IN WIND...<50MPH $$ TILLY
356
WWUS53 KLSX 280348
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1048 PM CDT WED APR 27 2016
ILC083-280358-
/O.CAN.KLSX.SV.W.0035.000000T0000Z-160428T0400Z/
JERSEY IL-
1048 PM CDT WED APR 27 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JERSEY COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 3900 8990 3896 9014 3915 9015 3916 9015
3920 9009
TIME...MOT...LOC 0348Z 241DEG 21KT 3906 9008
$$
ILC117-119-280400-
/O.CON.KLSX.SV.W.0035.000000T0000Z-160428T0400Z/
MACOUPIN IL-MADISON IL-
1048 PM CDT WED APR 27 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR SOUTHWESTERN MACOUPIN AND NORTH CENTRAL MADISON COUNTIES IN
SOUTHWESTERN ILLINOIS...
AT 1048 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BRIGHTON...
MOVING NORTHEAST AT 25 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
LOCATIONS IMPACTED INCLUDE...
BRIGHTON...BUNKER HILL...SHIPMAN...PIASA...MILES STATION AND FOSTERBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 3900 8990 3896 9014 3915 9015 3916 9015
3920 9009
TIME...MOT...LOC 0348Z 241DEG 21KT 3906 9008
HAIL...1.00IN
WIND...<50MPH
$$
TILLY604
WWUS53 KLSX 280358
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1058 PM CDT WED APR 27 2016
ILC117-119-280408-
/O.EXP.KLSX.SV.W.0035.000000T0000Z-160428T0400Z/
MACOUPIN IL-MADISON IL-
1058 PM CDT WED APR 27 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MACOUPIN AND
NORTH CENTRAL MADISON COUNTIES IN SOUTHWESTERN ILLINOIS WILL EXPIRE
AT 1100 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER SMALL HAIL
IS STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 3900 8990 3896 9014 3915 9015 3916 9015
3920 9009
TIME...MOT...LOC 0357Z 241DEG 21KT 3906 9008
$$
TILLYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 8:48 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 42 min |
| Apr 27, 9:15 PM CDT | Tornado Warning | LSX | Adams | 30 min |
| Apr 27, 9:24 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 38 min |
| Apr 27, 9:45 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 35 min |
| Apr 27, 10:25 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 50 min |
| Apr 27, 10:34 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 41 min |
| Apr 27, 10:59 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 23 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.