Alert archive / Illinois / Special Weather Statements in 2011

Special Weather Statement, NWS Lincoln, IL

April 7, 2011Fulton County, Mason County, Illinois

NWS Lincoln, IL issued this special weather statement at Apr 7, 2011, 11:52 PM CDT for Fulton County, Mason County, Illinois. It was in force for 53 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
Apr 7, 2011, 11:52 PM CDT (04:52 UTC)
Expired
Apr 8, 2011, 12:45 AM CDT
In force
53 min
Issued by
NWS Lincoln, IL

Counties Fulton County, IL, Mason County, IL

The radar

The Lincoln radar (KILX), 72 km from the middle of the area, began a volume at 04:56 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 00:00Z, 4.9 hours before the alert went out and 128 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2011-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2011-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 279 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1349 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
279 m²/s²
0-3 km storm-relative helicity
501 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

604 
WWUS83 KILX 080452
SPSILX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1152 PM CDT THU APR 7 2011

ILZ029-036-037-041-080545-
FULTON-MASON-PEORIA-TAZEWELL-
1152 PM CDT THU APR 7 2011

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MASON...FULTON...
SOUTHWESTERN PEORIA AND WESTERN TAZEWELL COUNTIES UNTIL 1245 AM
CDT...

AT 1145 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES NORTHEAST OF
GOOD HOPE TO INDUSTRY...MOVING EAST AT 40 MPH.

WINDS 40 TO 50 MPH ARE EXPECTED WITH THESE STORMS.

PEOPLE IN FULTON...MASON...PEORIA AND TAZEWELL COUNTIES...INCLUDING
THE CITIES OF VERMONT...ASTORIA...IPAVA...FAIRVIEW...CUBA...
LEWISTOWN...CANTON...ST. DAVID...HAVANA AND GLASFORD...SHOULD MONITOR
THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS...AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

LAT...LON 4071 8978 4021 8978 4021 9043 4071 9043
TIME...MOT...LOC 0451Z 270DEG 35KT 4061 9052 4030 9058

$$

CHURCHILL

Nearby

Special Weather Statements in Illinois, 2011Every special weather statement 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.