Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 91, NWS Paducah, KY
NWS Paducah, KY issued this severe thunderstorm warning at Aug 12, 2021, 7:23 PM CDT for Jackson County, Perry County, Illinois; Perry County, Missouri. It was in force for 52 min. 2 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
- Aug 12, 2021, 7:23 PM CDT (00:23 UTC)
- Expired
- Aug 12, 2021, 8:15 PM CDT
- In force
- 52 min
- Issued by
- NWS Paducah, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Jackson County, IL, Perry County, IL, Perry County, MO
The radar
The St Louis radar (KLSX), 122 km from the middle of the area, began a volume at 00:24 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 12, 8:09 PM CDT | TSTM WND GST 60 | 2 Nnw Mcbride, MO | MEASURED AT THE PERRYVILLE AIRPORT. |
| Aug 12, 8:10 PM CDT | TSTM WND GST 63 | Pinckneyville, IL | 63 MPH WIND GUST REPORTED BY A VIEWERS WEATHER STATION. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.4 hours before the alert went out and 267 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
- 1699 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
220
WUUS53 KPAH 130023
SVRPAH
ILC077-145-MOC157-130115-
/O.NEW.KPAH.SV.W.0091.210813T0023Z-210813T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
723 PM CDT Thu Aug 12 2021
The National Weather Service in Paducah has issued a
* Severe Thunderstorm Warning for...
Perry County in south central Illinois...
Northwestern Jackson County in southern Illinois...
Northwestern Perry County in southeastern Missouri...
* Until 815 PM CDT.
* At 723 PM CDT, severe thunderstorms were located along a line
extending from near Lebanon to Red Bud to near Bonne Terre, moving
southeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Chester, Perryville, Pinckneyville, Tamaroa, Willisville, Cutler,
Campbell Hill and Lithium.
This includes Interstate 55 between Mile Markers 132 and 139.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3821 8915 3781 8967 3781 8968 3767 9011
3782 9000 3787 8994 3787 8990 3791 8984
3788 8980 3785 8979 3785 8974 3781 8969
3783 8966 3796 8959 3822 8959
TIME...MOT...LOC 0023Z 311DEG 38KT 3864 8979 3819 9000 3793 9049
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
CNThe office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 8:07 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jefferson, Perry | 38 min |
| Aug 12, 8:11 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 49 min |
| Aug 12, 8:34 PM CDT | Special Weather Statement | PAH | Franklin, Hamilton, Saline, Union, Wayne, Williamson | 71 min |
| Aug 12, 9:39 PM CDT | Special Weather Statement | PAH | Hamilton, Johnson, Pulaski, Saline, Union, White and 1 more | 66 min |
| Aug 12, 10:44 PM CDT | Special Weather Statement | PAH | Alexander | 46 min |
| Aug 12, 8:05 PM CDT | Special Weather Statement | PAH | Perry | 40 min |
| Aug 12, 9:42 PM CDT | Special Weather Statement | PAH | Bollinger, Carter, Wayne | 63 min |
| Aug 12, 11:07 PM CDT | Special Weather Statement | PAH | Mississippi, New Madrid | 68 min |
| Aug 13, 9:52 AM CDT | Special Weather Statement | PAH | Ripley | 23 min |
| Aug 13, 10:12 AM CDT | Areal Flood Advisory | PAH | Butler, Carter, Ripley | 2 hr |
| Aug 13, 10:19 AM CDT | Special Weather Statement | PAH | Butler | 41 min |
| Aug 13, 10:22 AM CDT | Flash Flood Warning | PAH | Butler, Ripley | 3 hr |
| Aug 13, 10:37 AM CDT | Flash Flood Warning | PAH | Butler | 3 hr |
| Aug 13, 10:54 AM CDT | Flash Flood Warning | PAH | Stoddard | 4 hr |
| Aug 13, 11:07 AM CDT | Areal Flood Advisory | PAH | Wayne | 3 hr |
| Aug 13, 11:37 AM CDT | Areal Flood Advisory | PAH | Bollinger | 3 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 2021Severe Thunderstorm Warnings in Missouri, 2021Every severe thunderstorm warning 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.