Alert archive / Illinois / Tornado Watches in 2022

Tornado Watch 79

March 30, 20224 states

The Storm Prediction Center issued this tornado watch at Mar 30, 2022, 2:44 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 30, 2022, 2:44 PM CDT (19:44 UTC)
Expired
Mar 30, 2022, 8:51 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
65 kt
All 61 counties

Alexander County, IL, Clay County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Richland County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Daviess County, IN, Gibson County, IN, Knox County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Mississippi County, MO, New Madrid County, MO, Perry County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO

The radar

The Paducah radar (KPAH), 65 km from the middle of the area, began a volume at 19:45 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
60%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
80%
One or more gusts of 65 knots or more
60%
Ten or more severe hail reports
5%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 30, 3:09 PM CDTSevere Thunderstorm WarningPAHNew Madrid, Stoddard66 min
Mar 30, 3:44 PM CDTSevere Thunderstorm WarningPAHFulton, Hickman31 min
Mar 30, 4:03 PM CDTTornado WarningPAHAlexander27 min
Mar 30, 4:05 PM CDTSevere Thunderstorm WarningPAHJackson40 min
Mar 30, 4:13 PM CDTSevere Thunderstorm WarningPAHAlexander, Pulaski47 min
Mar 30, 4:27 PM CDTTornado WarningPAHCarlisle, Hickman23 min
Mar 30, 4:47 PM CDTSevere Thunderstorm WarningPAHJefferson, Wayne43 min
Mar 30, 4:48 PM CDTSevere Thunderstorm Warning Considerable damage threatPAHPope42 min
Mar 30, 4:58 PM CDTSevere Thunderstorm WarningPAHMassac, Pope, Pulaski47 min
Mar 30, 5:07 PM CDTTornado WarningPAHLivingston, Lyon, Marshall23 min
Mar 30, 5:10 PM CDTSevere Thunderstorm Warning Considerable damage threatPAHFranklin, Hamilton, Johnson, Pope, Saline, Williamson50 min
Mar 30, 5:21 PM CDTSevere Thunderstorm WarningILXClay24 min
Mar 30, 5:23 PM CDTSevere Thunderstorm WarningPAHWayne52 min
Mar 30, 5:26 PM CDTSevere Thunderstorm WarningPAHHardin34 min
Mar 30, 5:30 PM CDTSevere Thunderstorm WarningPAHCalloway, Graves, Livingston, McCracken, Marshall45 min
Mar 30, 5:35 PM CDTSevere Thunderstorm WarningILXClay, Effingham, Jasper25 min
Mar 30, 6:05 PM CDTTornado WarningPAHWayne14 min
Mar 30, 6:08 PM CDTSevere Thunderstorm WarningPAHHardin37 min
Mar 30, 6:12 PM CDTSevere Thunderstorm WarningILXCrawford, Jasper, Lawrence, Richland33 min
Mar 30, 6:12 PM CDTSevere Thunderstorm WarningPAHChristian, Trigg48 min
Mar 30, 6:13 PM CDTSevere Thunderstorm WarningPAHEdwards, Wabash, White47 min
Mar 30, 6:17 PM CDTTornado WarningPAHWhite13 min
Mar 30, 6:40 PM CDTSevere Thunderstorm Warning Considerable damage threatPAHChristian, Daviess, Hopkins, McLean, Muhlenberg, Webster35 min
Mar 30, 6:53 PM CDTSevere Thunderstorm WarningINDKnox52 min
Mar 30, 6:54 PM CDTSevere Thunderstorm Warning Considerable damage threatPAHGibson, Pike, Spencer, Vanderburgh, Warrick66 min
Mar 30, 6:58 PM CDTSevere Thunderstorm WarningILXLawrence20 min
Mar 30, 7:07 PM CDTSevere Thunderstorm Warning Considerable damage threatPAHDaviess38 min
Mar 30, 7:50 PM CDTSevere Thunderstorm WarningPAHChristian, Todd40 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.7 hours before the alert went out and 275 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, Nashville Metro, TN at 12:00Z on 2022-03-30Temperature 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, Nashville Metro, TN at 12:00Z on 2022-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1225 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
389 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 29, 11:52 PM CDTTornado WatchSPCBenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more8 hr
Mar 30, 4:57 AM CDTMesoscale DiscussionSPCBaxter, Boone, Carroll, Clark, Cleburne, Columbia and 36 more2 hr
Mar 30, 5:30 AM CDTTornado WatchSPCArkansas, Baxter, Boone, Bradley, Calhoun, Clark and 50 more8 hr
Mar 30, 9:44 AM CDTMesoscale DiscussionSPCClay, Fulton, Greene, Independence, Izard, Jackson and 3 more2 hr
Mar 30, 10:29 AM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 12 more61 min
Mar 30, 12:16 PM CDTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clay and 25 more9 hr
Mar 30, 12:47 PM CDTMesoscale DiscussionSPCChicot58 min
Mar 30, 2:16 PM CDTMesoscale DiscussionSPCArkansas, Chicot, Clay, Craighead, Crittenden, Cross and 8 more119 min
Mar 30, 9:03 AM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clinton, Coles, DeWitt and 24 more117 min
Mar 30, 12:41 PM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more2 hr
Mar 30, 5:32 PM CDTMesoscale DiscussionSPCClay, Crawford, Edwards, Franklin, Gallatin, Hamilton and 12 more88 min
Mar 30, 6:09 PM CDTSevere Thunderstorm WatchSPCClark, Crawford, Cumberland, Jasper5 hr
Mar 29, 7:50 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Cass, Clay, Clinton and 7 more85 min
Mar 29, 10:25 PM CDTMesoscale DiscussionSPCBarton, Jasper, Newton, Vernon95 min

Nearby

Tornado Watches in Illinois, 2022Tornado Watches in Kentucky, 2022Tornado Watches in Missouri, 2022Every tornado watch in 2022

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.