Alert archive / Illinois / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 143, NWS Paducah, KY
NWS Paducah, KY issued this severe thunderstorm warning at Jun 23, 2018, 6:59 PM CDT for Johnson County, Union County, Illinois. It was in force for 31 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 23, 2018, 6:59 PM CDT (23:59 UTC)
- Expired
- Jun 23, 2018, 7:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Paducah, KY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Johnson County, IL, Union County, IL
The radar
The Paducah radar (KPAH), 51 km from the middle of the area, began a volume at 00:03 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
Nashville Metro, TN (KBNA), launched 12:00Z, 12.0 hours before the alert went out and 265 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
- 25 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 23, 2:01 PM CDT, 4 hours 58 minutes earlier.
Area forecast discussion, Jun 23, 2:01 PM CDT, 4 hours 58 minutes before
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</html>Hazardous weather outlook, Jun 23, 2:09 PM CDT, 4 hours 50 minutes before
Hazardous Weather Outlook National Weather Service Paducah KY 209 PM CDT Sat Jun 23 2018 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-241000- Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton- White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope- Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh- Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves- Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell- Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean- Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter- Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid- 209 PM CDT Sat Jun 23 2018 This Hazardous Weather Outlook is for portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. .DAY ONE...This Afternoon and Tonight There is a chance of storms, including a marginal risk of severe storms, through tonight. The best such chance will be across the southern parts of Missouri and Kentucky. Hail and gusty winds will be the primary storm hazards should a severe storm occur, with lightning and heavy rain possible with any storm. .DAYS TWO THROUGH SEVEN...Sunday through Friday A chance for thunderstorms is expected just about daily. A few storms may reach severe limits late Tuesday and Wednesday, with hail and gusty winds the primary hazards. Locally heavy rain and lightning will accompany any thunderstorm activity. Heat Index values approaching 100, and perhaps reaching toward 105, will impact all or part of the region each afternoon this coming work week. A heat advisory may eventually be needed during this time period. .SPOTTER INFORMATION STATEMENT... Spotters should maintain a basic weather watch in case activation is requested.
In the hours before
Special weather statement, Jun 23, 6:50 PM CDT, 9 minutes before
Special Weather Statement
National Weather Service Paducah KY
650 PM CDT SAT JUN 23 2018
ILZ088-089-240015-
Union IL-Johnson IL-
650 PM CDT SAT JUN 23 2018
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN UNION AND WEST
CENTRAL JOHNSON COUNTIES UNTIL 715 PM CDT...
At 650 PM CDT, Doppler radar was tracking a strong thunderstorm near
Anna, moving southeast at 20 mph.
Dime size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Cypress and Buncombe.
LAT...LON 3733 8910 3734 8911 3741 8921 3753 8911
3746 8891 3733 8905
TIME...MOT...LOC 2350Z 302DEG 18KT 3745 8915
08The office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 6:30 PM CDT | Severe Thunderstorm Warning | PAH | Union | 30 min |
| Jun 23, 6:50 PM CDT | Special Weather Statement | PAH | Johnson | 25 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2018Every severe thunderstorm warning in 2018
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.