Alert archive / Illinois / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 63, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 7, 2011, 5:25 PM CDT for Vermilion 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
- May 7, 2011, 5:25 PM CDT (22:25 UTC)
- Expired
- May 7, 2011, 6:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Vermilion County, IL
The radar
The Indianapolis radar (KIND), 120 km from the middle of the area, began a volume at 22:26 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 |
|---|---|---|---|
| May 7, 5:42 PM CDT | HAIL 0.75 | Danville, IL | PEA TO DIME SIZED HAIL |
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 |
|---|---|---|---|
| May 7, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.4 hours before the alert went out and 85 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
- 1168 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
184 WUUS53 KILX 072225 SVRILX ILC183-072315- /O.NEW.KILX.SV.W.0063.110507T2225Z-110507T2315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 525 PM CDT SAT MAY 7 2011 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN VERMILION COUNTY IN EAST CENTRAL ILLINOIS... * UNTIL 615 PM CDT. * AT 522 PM CDT...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 JUST NORTHWEST OF DANVILLE...AND MOVING SOUTHEAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... DANVILLE...TILTON...WESTVILLE AND VERMILION COUNTY AIRPORT. THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 208 AND 219. 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 3989 8753 4014 8777 4026 8767 4022 8753 TIME...MOT...LOC 2225Z 313DEG 20KT 4016 8769 WIND...HAIL 60MPH 1.00IN $$ CHURCHILL
2 follow-up statements
431 WWUS53 KILX 072248 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 548 PM CDT SAT MAY 7 2011 ILC183-072315- /O.CON.KILX.SV.W.0063.000000T0000Z-110507T2315Z/ VERMILION IL- 548 PM CDT SAT MAY 7 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN VERMILION COUNTY UNTIL 615 PM CDT... AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WESTVILLE...OR 6 MILES SOUTH OF DANVILLE...MOVING SOUTHEAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF SOUTHEASTERN VERMILION COUNTY. THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 213 AND 219. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4005 8768 4013 8765 4022 8753 3989 8753 TIME...MOT...LOC 2248Z 314DEG 19KT 4004 8757 WIND...HAIL 60MPH 1.00IN $$ CHURCHILL
189 WWUS53 KILX 072307 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 607 PM CDT SAT MAY 7 2011 ILC183-072316- /O.EXP.KILX.SV.W.0063.000000T0000Z-110507T2315Z/ VERMILION IL- 607 PM CDT SAT MAY 7 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN VERMILION COUNTY WILL EXPIRE AT 615 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. REMEMBER...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN VERMILION COUNTY FOR ANOTHER STORM UNTIL 645 PM. LAT...LON 4005 8768 4013 8765 4022 8753 3989 8753 TIME...MOT...LOC 2306Z 314DEG 19KT 3997 8748 $$ CHURCHILL
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 4:06 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 39 min |
| May 7, 4:44 PM CDT | Tornado Warning | ILX | Vermilion | 46 min |
| May 7, 4:59 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 46 min |
| May 7, 5:12 PM CDT | Tornado Warning | ILX | Champaign | 31 min |
| May 7, 5:17 PM CDT | Areal Flood Warning | ILX | Lawrence | 4 days |
| May 7, 5:39 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 51 min |
| May 7, 6:03 PM CDT | Tornado Warning | ILX | Edgar, Vermilion | 42 min |
| May 7, 6:24 PM CDT | Tornado Warning | ILX | Edgar | 51 min |
| May 7, 6:57 PM CDT | Tornado Warning | ILX | Edgar | 25 min |
Nearby
Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.