Alert archive / Illinois / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 2, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Feb 27, 2011, 11:46 AM CST for Logan County, Mason County, Menard County, Illinois. It was in force for 44 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
- Feb 27, 2011, 11:46 AM CST (17:46 UTC)
- Expired
- Feb 27, 2011, 12:30 PM CST
- In force
- 44 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Logan County, IL, Mason County, IL, Menard County, IL
The radar
The Lincoln radar (KILX), 20 km from the middle of the area, began a volume at 17:50 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 5.8 hours before the alert went out and 82 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
- 790 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
466
WUUS53 KILX 271746
SVRILX
ILC107-125-129-271830-
/O.NEW.KILX.SV.W.0002.110227T1746Z-110227T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1146 AM CST SUN FEB 27 2011
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN LOGAN COUNTY IN CENTRAL ILLINOIS...
EAST CENTRAL MASON COUNTY IN CENTRAL ILLINOIS...
MENARD COUNTY IN CENTRAL ILLINOIS...
* UNTIL 1230 PM CST.
* AT 1144 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
PETERSBURG...OR 16 MILES SOUTHWEST OF MASON CITY...AND MOVING
NORTHEAST AT 65 MPH.
* LOCATIONS IMPACTED INCLUDE...
LINCOLN...ATHENS...GREENVIEW...MIDDLETOWN...HARTSBURG...BEASON...
ATLANTA...SWEETWATER...NEW HOLLAND...BROADWELL AND LAWNDALE.
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 4030 8940 4028 8915 4013 8916 3990 8993
3991 8995 4010 9000
TIME...MOT...LOC 1746Z 243DEG 55KT 4004 8984
WIND...HAIL 60MPH 1.00IN
$$
HJS1 follow-up statement
071
WWUS53 KILX 271825
SVSILX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1225 PM CST SUN FEB 27 2011
ILC107-125-129-271835-
/O.EXP.KILX.SV.W.0002.000000T0000Z-110227T1830Z/
MENARD IL-LOGAN IL-MASON IL-
1225 PM CST SUN FEB 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MASON...CENTRAL
LOGAN AND MENARD COUNTIES WILL EXPIRE AT 1230 PM CST...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4030 8940 4028 8915 4013 8916 3990 8993
3991 8995 4010 9000
TIME...MOT...LOC 1825Z 243DEG 55KT 4030 8914
$$
HJSThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 10:25 AM CST | River Flood Warning | ILX | Crawford, Jasper | 35 hr |
| Feb 27, 10:30 AM CST | River Flood Warning | ILX | Piatt | 24 hr |
| Feb 27, 10:30 AM CST | River Flood Warning | ILX | Fulton, Knox | 24 hr |
| Feb 27, 11:40 AM CST | Severe Thunderstorm Warning | ILX | Cass, Morgan | 25 min |
| Feb 27, 12:21 PM CST | Severe Thunderstorm Warning | ILX | McLean | 21 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.