Alert archive / Illinois / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 153, NWS Lincoln, IL

June 29, 2024Cumberland County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 29, 2024, 12:25 PM CDT for Cumberland County, Illinois. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 29, 2024, 12:25 PM CDT (17:25 UTC)
Expired
Jun 29, 2024, 12:40 PM CDT
In force
15 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Cumberland County, IL

The radar

The Evansville,IN radar (KVWX), 121 km from the middle of the area, began a volume at 17:27 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, 5.4 hours before the alert went out and 102 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 12:00Z on 2024-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1512 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2024-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 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
1512 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.9
Supercell composite
9.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 29, 10:11 AM CDT, 2 hours 14 minutes earlier.

Area forecast discussion, Jun 29, 10:11 AM CDT, 2 hours 14 minutes before
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Hazardous weather outlook, Jun 29, 12:00 PM CDT, 25 minutes before
Hazardous Weather Outlook
National Weather Service Lincoln IL
1200 PM CDT Sat Jun 29 2024

ILZ027>031-036-037-040-041-047-301100-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-Schuyler-Mason-
Cass-
1200 PM CDT Sat Jun 29 2024

This Hazardous Weather Outlook is for central Illinois and west
central Illinois.

.DAY ONE...This afternoon and tonight.

Heat indices are forecast to climb into the mid to upper 90s this
afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms are forecast for Tuesday afternoon through Friday
night. The threat for severe weather is uncertain at this time.

Heat index values are forecast to climb into the mid 90s on
Wednesday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

ILZ038-042>046-048>057-061>063-066>068-071>073-301100-
McLean-Logan-De Witt-Piatt-Champaign-Vermilion-Menard-Scott-Morgan-
Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
1200 PM CDT Sat Jun 29 2024

This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.

.DAY ONE...This afternoon and tonight.

Isolated to scattered thunderstorms are expected through sunset,
mainly along and south of I-72. The strongest storms will pose a risk
for localized damaging wind gusts and hail this afternoon and early
evening. There is a level 1 of 5, marginal risk for severe weather.
Locally heavy rains and frequent lightning are also possible.

Heat indices are forecast to reach the upper 90s to around 100
degrees this afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms are forecast for Tuesday night through Friday night.
The threat for severe weather is uncertain at this time.

Heat index values are forecast to climb into the upper 90s to near
100 degrees on Wednesday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed until sunset.

Expected storm motion is toward the east between 35 and 40 mph.

07

In the hours before

Local storm report, Jun 29, 9:08 AM CDT, 3 hours 17 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
908 AM CDT Sat Jun 29 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     Rain             1 W Galesburg           40.95N 90.39W
06/29/2024  M1.38 Inch       Knox               IL   CO-OP Observer

            CO-OP Observer station GBGI2 Galesburg.

0900 AM     Rain             1 NNW Galesburg         40.96N 90.37W
06/29/2024  M1.31 Inch       Knox               IL   Mesonet

            Mesonet station DW8259 Galesburg.

0700 AM     Rain             3 N Galesburg           40.99N 90.38W
06/29/2024  M1.04 Inch       Knox               IL   Cocorahs

            Cocorahs station IL-KX-24 Galesburg 2.5 N.

&&
Local storm report, Jun 29, 10:00 AM CDT, 2 hours 25 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
1000 AM CDT Sat Jun 29 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0935 AM     Rain             Galesburg Airport       40.93N 90.43W
06/29/2024  M0.96 Inch       Knox               IL   AWOS

            AWOS station KGBG Galesburg Arpt.

&&
Special weather statement, Jun 29, 11:18 AM CDT, 1 hour 7 minutes before
Special Weather Statement
National Weather Service Lincoln IL
1118 AM CDT Sat Jun 29 2024

ILZ053-291645-
Macon-
1118 AM CDT Sat Jun 29 2024

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL MACON COUNTY THROUGH
1145 AM CDT...

At 1117 AM CDT, Doppler radar was tracking a strong thunderstorm over
Warrensburg, or near Decatur, moving east at 40 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Decatur, Forsyth, Harristown, Long Creek, Warrensburg, Argenta,
Oreana, Decatur Airport, and Oakley.

This includes Interstate 72 between mile markers 129 and 154.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3982 8914 3994 8914 4001 8875 3981 8875
TIME...MOT...LOC 1617Z 267DEG 34KT 3989 8903

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

25
Special weather statement, Jun 29, 12:03 PM CDT, 22 minutes before
Special Weather Statement
National Weather Service Lincoln IL
1203 PM CDT Sat Jun 29 2024

ILZ062-291730-
Cumberland-
1203 PM CDT Sat Jun 29 2024

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL CUMBERLAND COUNTY
THROUGH 1230 PM CDT...

At 1203 PM CDT, Doppler radar was tracking a strong thunderstorm near
Neoga, moving east at 30 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Greenup, Toledo, and Hazel Dell.

This includes Interstate 70 between mile markers 113 and 125.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3923 8843 3932 8841 3937 8803 3920 8802
TIME...MOT...LOC 1703Z 267DEG 28KT 3929 8836

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

25
Special weather statement, Jun 29, 12:09 PM CDT, 16 minutes before
Special Weather Statement
National Weather Service Lincoln IL
1209 PM CDT Sat Jun 29 2024

ILZ044-054-055-291730-
Douglas-Piatt-Moultrie-
1209 PM CDT Sat Jun 29 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN MOULTRIE...
SOUTHEASTERN PIATT AND WESTERN DOUGLAS COUNTIES THROUGH 1230 PM
CDT...

At 1209 PM CDT, Doppler radar was tracking a strong thunderstorm over
Arthur, or 9 miles west of Arcola, moving east at 30 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 hail damage to vegetation is
         possible.

Locations impacted include...
Tuscola, Arcola, Arthur, Atwood, Bourbon, Garrett, Chesterville, and
Cadwell.

This includes Interstate 57 between mile markers 202 and 215.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3966 8856 3982 8857 3985 8818 3966 8817
TIME...MOT...LOC 1709Z 267DEG 28KT 3973 8847

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

25

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 11:18 AM CDTSpecial Weather StatementILXMacon27 min
Jun 29, 12:03 PM CDTSpecial Weather StatementILXCumberland27 min
Jun 29, 12:09 PM CDTSpecial Weather StatementILXDouglas21 min
Jun 29, 12:39 PM CDTSpecial Weather StatementILXDouglas21 min
Jun 29, 1:01 PM CDTSpecial Weather StatementILXEdgar29 min
Jun 29, 6:09 PM CDTSpecial Weather StatementILXColes36 min
Jun 29, 6:13 PM CDTSpecial Weather StatementILXEffingham32 min
Jun 29, 6:30 PM CDTSpecial Weather StatementILXColes30 min
Jun 29, 6:55 PM CDTSpecial Weather StatementILXChampaign, Vermilion50 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2024Every severe thunderstorm warning in 2024

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.