Alert archive / Illinois / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 162, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Sep 9, 2016, 6:21 PM CDT for Washington County, Illinois. It was in force for 39 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
- Sep 9, 2016, 6:21 PM CDT (23:21 UTC)
- Expired
- Sep 9, 2016, 7:00 PM CDT
- In force
- 39 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Washington County, IL
The radar
The St Louis radar (KLSX), 127 km from the middle of the area, began a volume at 23:25 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.4 hours before the alert went out and 211 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
- 61 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 781 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- -115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
647 WUUS53 KLSX 092321 SVRLSX ILC189-100000- /O.NEW.KLSX.SV.W.0162.160909T2321Z-160910T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 621 PM CDT FRI SEP 9 2016 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS... * UNTIL 700 PM CDT. * AT 621 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER NASHVILLE... MOVING EAST AT 30 MPH. HAZARD...60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. * LOCATIONS IMPACTED INCLUDE... NASHVILLE...CENTRALIA...WAMAC...IRVINGTON...ASHLEY...POSEN... BEAUCOUP...HOYLETON...COVINGTON...RICHVIEW...ADDIEVILLE... OAKDALE...RADOM...NEW MINDEN...HUEGELY...FROGTOWN AND CORDES. THIS INCLUDES INTERSTATE 64 IN ILLINOIS BETWEEN EXITS 41 AND 61. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 3822 8915 3828 8955 3846 8953 3850 8914 TIME...MOT...LOC 2321Z 269DEG 27KT 3836 8939 HAIL...<.75IN WIND...60MPH $$ TILLY
2 follow-up statements
820 WWUS53 KLSX 092343 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 643 PM CDT FRI SEP 9 2016 ILC189-100000- /O.CON.KLSX.SV.W.0162.000000T0000Z-160910T0000Z/ WASHINGTON IL- 643 PM CDT FRI SEP 9 2016 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR EASTERN WASHINGTON COUNTY... AT 642 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ASHLEY...MOVING EAST AT 25 MPH. HAZARD...60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. LOCATIONS IMPACTED INCLUDE... NASHVILLE...CENTRALIA...WAMAC...IRVINGTON...ASHLEY...POSEN... BEAUCOUP...HOYLETON...RICHVIEW...RADOM...NEW MINDEN AND HUEGELY. THIS INCLUDES INTERSTATE 64 IN ILLINOIS BETWEEN EXITS 50 AND 61. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR SOUTH CENTRAL ILLINOIS. LAT...LON 3822 8915 3828 8945 3847 8937 3850 8914 TIME...MOT...LOC 2342Z 271DEG 20KT 3836 8927 HAIL...<.75IN WIND...60MPH $$ TILLY
399
WWUS53 KLSX 100000
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
700 PM CDT FRI SEP 9 2016
ILC189-100010-
/O.EXP.KLSX.SV.W.0162.000000T0000Z-160910T0000Z/
WASHINGTON IL-
700 PM CDT FRI SEP 9 2016
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WASHINGTON COUNTY HAS
EXPIRED...
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 HAS BEEN ALLOWED TO EXPIRE. HOWEVER HEAVY
RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR SOUTH CENTRAL
ILLINOIS.
LAT...LON 3822 8915 3828 8945 3847 8937 3850 8914
TIME...MOT...LOC 2358Z 269DEG 27KT 3836 8927
$$
TILLYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 3:58 AM CDT | Areal Flood Advisory | LSX | Monroe, Saint Clair | 3 hr |
| Sep 9, 4:00 AM CDT | Flash Flood Watch | LSX | Bond, Clinton, Madison, Monroe, Randolph, Saint Clair and 1 more | 27 hr |
| Sep 9, 7:02 AM CDT | Areal Flood Advisory | LSX | Madison, Monroe, Saint Clair | 3 hr |
| Sep 9, 5:45 PM CDT | Special Weather Statement | LSX | Washington | 30 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.