Alert archive / Illinois / Special Weather Statements in 2021

Special Weather Statement, NWS Lincoln, IL

October 24, 2021McLean County, Illinois

NWS Lincoln, IL issued this special weather statement at Oct 24, 2021, 5:39 PM CDT for McLean County, Illinois. It was in force for 51 min. 7 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
Oct 24, 2021, 5:39 PM CDT (22:39 UTC)
Expired
Oct 24, 2021, 6:30 PM CDT
In force
51 min
Issued by
NWS Lincoln, IL
Hail
0.50 in
Wind
50

County McLean County, IL

The radar

The Lincoln radar (KILX), 69 km from the middle of the area, began a volume at 22:38 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

TimeReportWhereRemark
Oct 24, 5:45 PM CDTTSTM WND DMGStanford, ILSEVERAL TREES AND POWER LINES DOWN.
Oct 24, 5:55 PM CDTTSTM WND GST 602 Nnw Central Illinois, ILESTIMATED 55-60 MPH WINDS. SMALL BRANCHES DOWN.
Oct 24, 5:59 PM CDTTSTM WND GST 551 Ssw Central Illinois, ILAWOS STATION KBMI CENTRAL ILLINOIS AIRPORT.
Oct 24, 6:05 PM CDTTSTM WND DMG2 Ssw Bloomington, ILLARGE, HEALTHY TREE UPROOTED AND FELL ON METAL SHED.
Oct 24, 6:06 PM CDTTSTM WND GST 553 Ese Central Illinois, IL
Oct 24, 6:15 PM CDTTSTM WND DMGDowns, ILTREES AND POWER LINES DOWN.
Oct 24, 6:15 PM CDTTSTM WND GST 60Downs, IL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.7 hours before the alert went out and 174 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, Davenport, at 12:00Z on 2021-10-24Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2021-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.1939587897Sfc1 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
972 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

875 
WWUS83 KILX 242239
SPSILX

Special Weather Statement
National Weather Service Lincoln IL
539 PM CDT Sun Oct 24 2021
 
ILZ031-037-038-242330-
Tazewell-Woodford-McLean-
539 PM CDT Sun Oct 24 2021

...Strong thunderstorms will impact portions of eastern Woodford,
southeastern Tazewell and McLean Counties through 630 PM CDT...

At 539 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near El Paso to Carlock to near Armington.
Movement was east at 40 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Strong thunderstorms will be near...
  El Paso around 545 PM CDT.
  Normal, Hudson and Gridley around 550 PM CDT.
  Towanda around 555 PM CDT.

Other locations in the path of these storms include Bloomington,
Chenoa, Lexington, Downs, Cooksville, Le Roy and Colfax.

This includes the following highways...
 Interstate 39 between mile markers 0 and 23.
 Interstate 55 between mile markers 146 and 187.
 Interstate 74 between mile markers 118 and 151.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4088 8893 4075 8893 4076 8859 4062 8858
      4061 8846 4032 8860 4033 8937 4054 8920
      4088 8903
TIME...MOT...LOC 2239Z 263DEG 36KT 4079 8900 4056 8912 4036 8928 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

$$

Shimon

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 24, 5:03 AM CDTFlash Flood WarningILXMorgan, Scott3 hr
Oct 24, 6:15 AM CDTFlood WatchILXMacon, Morgan, Sangamon, Scott20 hr
Oct 24, 10:08 AM CDTRiver Flood WarningILXPiatt8 days
Oct 24, 3:35 PM CDTSpecial Weather StatementILXFulton25 min
Oct 24, 4:00 PM CDTSpecial Weather StatementILXPeoria30 min
Oct 24, 5:00 PM CDTFlash Flood WarningILXFulton, Schuyler3 hr
Oct 24, 5:39 PM CDTSevere Thunderstorm WarningILXCass, Mason, Morgan, Sangamon, Schuyler, Scott51 min
Oct 24, 5:56 PM CDTSevere Thunderstorm WarningILXCass, Menard, Morgan, Sangamon, Scott49 min
Oct 24, 6:06 PM CDTTornado WarningILXCass, Morgan, Scott24 min
Oct 24, 6:26 PM CDTSevere Thunderstorm WarningILXChampaign, McLean, Vermilion34 min
Oct 24, 6:28 PM CDTSevere Thunderstorm Warning Considerable damage threatILXCass, Mason, Menard, Morgan, Sangamon, Tazewell62 min
Oct 24, 6:37 PM CDTFlash Flood WarningILXCass, Morgan, Scott3 hr
Oct 24, 6:38 PM CDTTornado WarningILXMenard, Sangamon26 min

Nearby

Special Weather Statements in Illinois, 2021Every special weather statement in 2021

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.