Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 3, NWS Paducah, KY
NWS Paducah, KY issued this severe thunderstorm warning at Mar 11, 2021, 3:09 PM CST for Jackson County, Union County, Illinois; Cape Girardeau County, Missouri. It was in force for 33 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
- Mar 11, 2021, 3:09 PM CST (21:09 UTC)
- Expired
- Mar 11, 2021, 3:42 PM CST
- In force
- 33 min
- Issued by
- NWS Paducah, KY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Jackson County, IL, Union County, IL, Cape Girardeau County, MO
The radar
The Paducah radar (KPAH), 86 km from the middle of the area, began a volume at 21:10 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, 9.2 hours before the alert went out and 296 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
- 2 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 500 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
465
WUUS53 KPAH 112109
SVRPAH
ILC077-181-MOC031-112200-
/O.NEW.KPAH.SV.W.0003.210311T2109Z-210311T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
309 PM CST Thu Mar 11 2021
The National Weather Service in Paducah has issued a
* Severe Thunderstorm Warning for...
Central Union County in southern Illinois...
Southeastern Jackson County in southern Illinois...
Northeastern Cape Girardeau County in southeastern Missouri...
* Until 400 PM CST.
* At 308 PM CST, a severe thunderstorm was located over Altenburg,
moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Trained weather spotters.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Carbondale, Anna, Jonesboro, Trail Of Tears State Park, Cobden,
Grand Tower, Makanda, Alto Pass, Oak Ridge and Pocahontas.
This includes Interstate 55 between Mile Markers 108 and 113.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3737 8917 3747 8976 3760 8964 3759 8964
3760 8961 3758 8959 3758 8955 3756 8953
3758 8952 3758 8949 3759 8948 3764 8952
3769 8952 3771 8954 3771 8955 3772 8915
TIME...MOT...LOC 2108Z 270DEG 46KT 3765 8957
HAIL...1.00IN
WIND...60MPH
$$
York2 follow-up statements
899
WWUS53 KPAH 112126
SVSPAH
Severe Weather Statement
National Weather Service Paducah KY
326 PM CST Thu Mar 11 2021
MOC031-112135-
/O.CAN.KPAH.SV.W.0003.000000T0000Z-210311T2200Z/
Cape Girardeau MO-
326 PM CST Thu Mar 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CAPE GIRARDEAU
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3737 8917 3741 8943 3744 8944 3748 8948
3754 8952 3758 8952 3758 8948 3760 8948
3764 8952 3769 8951 3771 8953 3772 8915
TIME...MOT...LOC 2125Z 271DEG 45KT 3764 8931
$$
ILC077-181-112200-
/O.CON.KPAH.SV.W.0003.000000T0000Z-210311T2200Z/
Union IL-Jackson IL-
326 PM CST Thu Mar 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST
FOR CENTRAL UNION AND SOUTHEASTERN JACKSON COUNTIES...
At 325 PM CST, a severe thunderstorm was located over Cedar Lake
Area, or 7 miles southwest of Carbondale, moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Carbondale, Cobden, Grand Tower, Cedar Lake Area, Makanda and Alto
Pass.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3737 8917 3741 8943 3744 8944 3748 8948
3754 8952 3758 8952 3758 8948 3760 8948
3764 8952 3769 8951 3771 8953 3772 8915
TIME...MOT...LOC 2125Z 271DEG 45KT 3764 8931
HAIL...0.75IN
WIND...60MPH
$$
York326
WWUS53 KPAH 112142
SVSPAH
Severe Weather Statement
National Weather Service Paducah KY
342 PM CST Thu Mar 11 2021
ILC077-181-112152-
/O.CAN.KPAH.SV.W.0003.000000T0000Z-210311T2200Z/
Union IL-Jackson IL-
342 PM CST Thu Mar 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL UNION AND SOUTHEASTERN
JACKSON COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
LAT...LON 3737 8917 3741 8943 3744 8944 3748 8948
3754 8952 3758 8952 3758 8948 3760 8948
3764 8952 3769 8951 3771 8953 3772 8915
TIME...MOT...LOC 2141Z 270DEG 46KT 3764 8903
$$
YorkThe office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 4:11 AM CST | Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 55 hr |
| Mar 11, 11:12 AM CST | River Flood Warning | PAH | Franklin, Williamson | 70 hr |
| Mar 11, 11:12 AM CST | River Flood Warning | PAH | Jackson | 21 days |
| Mar 11, 12:57 PM CST | Special Weather Statement | PAH | Jefferson | 48 min |
| Mar 11, 1:55 PM CST | Special Weather Statement | PAH | White | 50 min |
| Mar 11, 3:17 PM CST | Areal Flood Advisory | PAH | Franklin, Jefferson, Perry | 3 hr |
| Mar 11, 3:31 PM CST | Special Weather Statement | PAH | Williamson | 29 min |
| Mar 11, 4:22 PM CST | Areal Flood Advisory | PAH | Jackson, Williamson | 30 min |
| Mar 11, 4:52 PM CST | Flash Flood Warning | PAH | Jackson, Williamson | 3 hr |
| Mar 11, 5:36 PM CST | Areal Flood Advisory | PAH | Gallatin, Saline | 2 hr |
| Mar 11, 2:17 PM CST | Special Weather Statement | PAH | Perry | 43 min |
| Mar 11, 2:34 PM CST | Severe Thunderstorm Warning | PAH | Bollinger, Cape Girardeau, Perry | 41 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.