Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 39, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Apr 1, 2012, 2:48 AM CDT for Peoria County, Tazewell County, Illinois. It was in force for 57 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
- Apr 1, 2012, 2:48 AM CDT (07:48 UTC)
- Expired
- Apr 1, 2012, 3:45 AM CDT
- In force
- 57 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Peoria County, IL, Tazewell County, IL
The radar
The Lincoln radar (KILX), 50 km from the middle of the area, began a volume at 07:50 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 1, 3:01 AM CDT | HAIL 0.25 | Bartonville, IL | |
| Apr 1, 3:02 AM CDT | HAIL 0.75 | North Pekin, IL | |
| Apr 1, 3:38 AM CDT | HAIL 1 | Morton, IL | |
| Apr 1, 3:40 AM CDT | TSTM WND GST 70 | Tremont, IL | MEASURED AT EOC |
| Apr 1, 3:42 AM CDT | HAIL 0.75 | 1 S Morton, IL | |
| Apr 1, 3:51 AM CDT | HAIL 0.5 | Morton, 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 |
|---|---|---|---|
| Mar 31, 9:24 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 7.8 hours before the alert went out and 89 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
- 1987 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
720 WUUS53 KILX 010748 SVRILX ILC143-179-010845- /O.NEW.KILX.SV.W.0039.120401T0748Z-120401T0845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 248 AM CDT SUN APR 1 2012 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL PEORIA COUNTY IN CENTRAL ILLINOIS... NORTHERN TAZEWELL COUNTY IN CENTRAL ILLINOIS... * UNTIL 345 AM CDT. * AT 246 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR BARTONVILLE...OR 8 MILES NORTHWEST OF PEKIN...AND MOVING EAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... PEKIN...BELLEVUE...BARTONVILLE...CREVE COEUR...MARQUETTE HEIGHTS... MORTON...TREMONT...MACKINAW...PEORIA INTERNATIONAL AIRPORT... MAPLETON...NORTH PEKIN AND GROVELAND. THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 95 AND 108. THIS INCLUDES INTERSTATE 155 BETWEEN MILE MARKERS 23 AND 31. THIS INCLUDES INTERSTATE 474 BETWEEN MILE MARKERS 4 AND 14. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4060 8927 4043 8927 4059 8983 4072 8977 TIME...MOT...LOC 0748Z 291DEG 23KT 4064 8972 WIND...HAIL <50MPH 1.00IN $$ SMITH
1 follow-up statement
452 WWUS53 KILX 010807 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 307 AM CDT SUN APR 1 2012 ILC143-179-010845- /O.CON.KILX.SV.W.0039.000000T0000Z-120401T0845Z/ PEORIA IL-TAZEWELL IL- 307 AM CDT SUN APR 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN TAZEWELL AND SOUTH CENTRAL PEORIA COUNTIES UNTIL 345 AM CDT... AT 304 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR PEKIN...MOVING SOUTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... MORTON...TREMONT...MACKINAW AND GROVELAND. THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 98 AND 105. THIS INCLUDES INTERSTATE 155 BETWEEN MILE MARKERS 23 AND 31. THIS INCLUDES INTERSTATE 474 BETWEEN MILE MARKERS 7 AND 14. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN LINCOLN. && LAT...LON 4066 8968 4060 8927 4043 8927 4056 8972 TIME...MOT...LOC 0807Z 293DEG 22KT 4059 8962 WIND...HAIL <50MPH 1.00IN $$ SMITH
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 1:06 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 54 min |
| Apr 1, 1:59 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 46 min |
| Apr 1, 2:20 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 55 min |
| Apr 1, 2:42 AM CDT | Special Weather Statement | ILX | Tazewell | 63 min |
| Apr 1, 3:15 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Woodford | 30 min |
| Apr 1, 3:40 AM CDT | Severe Thunderstorm Warning | ILX | Tazewell, Woodford | 39 min |
| Apr 1, 3:43 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell | 47 min |
| Apr 1, 4:22 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 38 min |
| Apr 1, 8:23 AM CDT | Special Weather Statement | ILX | Vermilion | 37 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.