Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 15, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Mar 15, 2012, 7:54 PM CDT for Menard County, Sangamon County, Illinois. It was in force for 36 min. 2 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
- Mar 15, 2012, 7:54 PM CDT (00:54 UTC)
- Expired
- Mar 15, 2012, 8:30 PM CDT
- In force
- 36 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Menard County, IL, Sangamon County, IL
The radar
The Lincoln radar (KILX), 49 km from the middle of the area, began a volume at 00:57 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 |
|---|---|---|---|
| Mar 15, 8:06 PM CDT | HAIL 1 | 2 Sw Athens, IL | |
| Mar 15, 8:25 PM CDT | HAIL 1.75 | 2 W Cantrall, 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, 0.9 hours before the alert went out and 109 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
- 1967 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1303 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
852
WUUS53 KILX 160054
SVRILX
ILC129-167-160145-
/O.NEW.KILX.SV.W.0015.120316T0054Z-120316T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
754 PM CDT THU MAR 15 2012
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MENARD COUNTY IN CENTRAL ILLINOIS...
NORTHWESTERN SANGAMON COUNTY IN CENTRAL ILLINOIS...
* UNTIL 845 PM CDT.
* AT 748 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
PLEASANT PLAINS...OR 16 MILES EAST OF VIRGINIA...AND MOVING EAST AT
20 MPH.
AT 747 PM CDT...QUARTER-SIZE HAIL IN ASHLAND WAS REPORTED WITH
THIS STORM BY A TRAINED SPOTTER.
* LOCATIONS IMPACTED INCLUDE...
ATHENS...SALISBURY AND LINCOLNS NEW SALEM.
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 4002 8970 3987 8969 3987 9000 3994 9000
3995 8999
TIME...MOT...LOC 0053Z 251DEG 17KT 3991 8989
WIND...HAIL 60MPH 1.00IN
$$
CHURCHILL2 follow-up statements
453 WWUS53 KILX 160115 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 815 PM CDT THU MAR 15 2012 ILC129-167-160145- /O.CON.KILX.SV.W.0015.000000T0000Z-120316T0145Z/ MENARD IL-SANGAMON IL- 815 PM CDT THU MAR 15 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL SANGAMON AND SOUTH CENTRAL MENARD COUNTIES UNTIL 845 PM CDT... AT 811 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR ATHENS...OR 10 MILES NORTHWEST OF SPRINGFIELD...MOVING EAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF NORTHERN SANGAMON AND SOUTHERN MENARD COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 3999 8971 3987 8969 3987 8985 3994 8985 TIME...MOT...LOC 0115Z 266DEG 23KT 3991 8971 WIND...HAIL <50MPH 1.00IN $$ CHURCHILL
256 WWUS53 KILX 160130 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 830 PM CDT THU MAR 15 2012 ILC129-167-160139- /O.CAN.KILX.SV.W.0015.000000T0000Z-120316T0145Z/ MENARD IL-SANGAMON IL- 830 PM CDT THU MAR 15 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SANGAMON AND SOUTH CENTRAL MENARD COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. A SEVERE THUNDERSTORM WARNING CONTINUES FOR NORTH CENTRAL SANGAMON COUNTY UNTIL 900 PM CDT. LAT...LON 3999 8971 3987 8969 3987 8985 3994 8985 TIME...MOT...LOC 0129Z 266DEG 23KT 3992 8959 $$ CHURCHILL
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 8:11 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Menard, Sangamon | 32 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.