Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 73, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 16, 2012, 6:38 PM CDT for Knox County, Illinois. It was in force for 52 min. 6 reports 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
- Jun 16, 2012, 6:38 PM CDT (23:38 UTC)
- Expired
- Jun 16, 2012, 7:30 PM CDT
- In force
- 52 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Knox County, IL
The radar
The Quad Cities radar (KDVN), 76 km from the middle of the area, began a volume at 23:38 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 |
|---|---|---|---|
| Jun 16, 6:40 PM CDT | TSTM WND DMG | Abingdon, IL | MULTIPLE TREES AND POWER LINES DOWN. |
| Jun 16, 6:40 PM CDT | TSTM WND DMG | Galesburg, IL | MULTIPLE TREES AND POWER LINES DOWN. |
| Jun 16, 6:43 PM CDT | HAIL 1.5 | 2 S Galesburg, IL | |
| Jun 16, 6:45 PM CDT | TSTM WND GST 60 | 5 N Galesburg, IL | SEVERAL SMALL TREE LIMBS DOWN ON ROAD. |
| Jun 16, 7:08 PM CDT | HAIL 1 | Altona, IL | |
| Jun 16, 7:33 PM CDT | HAIL 1.5 | 5 E Knoxville, 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 |
|---|---|---|---|
| Jun 16, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.6 hours before the alert went out and 74 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
- 208 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 515 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
779 WUUS53 KILX 162338 SVRILX ILC095-170030- /O.NEW.KILX.SV.W.0073.120616T2338Z-120617T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 638 PM CDT SAT JUN 16 2012 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KNOX COUNTY IN WEST CENTRAL ILLINOIS... * UNTIL 730 PM CDT. * AT 635 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST OF MONMOUTH TO 7 MILES NORTHEAST OF ROSEVILLE...AND MOVING EAST AT 45 MPH. * LOCATIONS IMPACTED INCLUDE... GALESBURG...ABINGDON...RIO...KNOXVILLE...WATAGA...MAQUON... GILSON...ONEIDA...ALTONA...VICTORIA...WILLIAMSFIELD...DELONG... HENDERSON...DAHINDA AND SNAKE DEN HOLLOW. 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 4115 8999 4082 8999 4071 9045 4116 9043 TIME...MOT...LOC 2338Z 253DEG 38KT 4100 9056 4079 9051 WIND...HAIL 60MPH <.75IN $$ BAK
2 follow-up statements
982 WWUS53 KILX 162359 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 659 PM CDT SAT JUN 16 2012 ILC095-170030- /O.CON.KILX.SV.W.0073.000000T0000Z-120617T0030Z/ KNOX IL- 659 PM CDT SAT JUN 16 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR KNOX COUNTY UNTIL 730 PM CDT... AT 654 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WATAGA TO KNOXVILLE...MOVING EAST AT 45 MPH. IN ADDITION...AT 643 PM...A TRAINED SPOTTER REPORTED PING PONG BALL SIZED HAIL ON THE SOUTH SIDE OF GALESBURG WITH THESE STORMS. LOCATIONS IMPACTED INCLUDE... GILSON...MAQUON...ONEIDA...ALTONA...VICTORIA...WILLIAMSFIELD... DAHINDA AND SNAKE DEN HOLLOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4115 8999 4082 8999 4071 9045 4116 9043 TIME...MOT...LOC 2358Z 253DEG 38KT 4106 9029 4085 9024 WIND...HAIL 60MPH 1.00IN $$ BAK
130 WWUS53 KILX 170031 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 731 PM CDT SAT JUN 16 2012 ILC095-170041- /O.EXP.KILX.SV.W.0073.000000T0000Z-120617T0030Z/ KNOX IL- 731 PM CDT SAT JUN 16 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN KNOX COUNTY HAS EXPIRED... THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR FULTON COUNTY AND SOUTHERN KNOX COUNTY UNTIL 830 PM. LAT...LON 4115 8999 4082 8999 4071 9045 4116 9043 TIME...MOT...LOC 2359Z 253DEG 38KT 4106 9028 4085 9023 $$ BAK
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 4:57 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 22 min |
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.