Alert archive / Alabama / Severe Thunderstorm Watches in 2020

Severe Thunderstorm Watch 142

April 23, 202023 counties in Alabama; Wayne County, Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at Apr 23, 2020, 4:06 PM CDT for 23 counties in Alabama; Wayne County, Mississippi. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued
Apr 23, 2020, 4:06 PM CDT (21:06 UTC)
Expired
Apr 23, 2020, 5:59 PM CDT
In force
113 min
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 24 counties

Autauga County, AL, Bibb County, AL, Chambers County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Clay County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Greene County, AL, Hale County, AL, Lee County, AL, Lowndes County, AL, Marengo County, AL, Perry County, AL, Randolph County, AL, Shelby County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Washington County, AL, Wilcox County, AL, Wayne County, MS

The radar

The Birmingham radar (KBMX), 67 km from the middle of the area, began a volume at 21:06 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
20%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
70%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 23, 4:17 PM CDTSevere Thunderstorm WarningBMXHale, Perry32 min
Apr 23, 4:17 PM CDTSevere Thunderstorm WarningMOBChoctaw43 min
Apr 23, 4:26 PM CDTSevere Thunderstorm WarningMOBWashington22 min
Apr 23, 4:52 PM CDTSevere Thunderstorm WarningMOBWilcox38 min

Discussions around it

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

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 2:28 AM CDTMesoscale DiscussionSPCBaldwin, Choctaw, Clarke, Conecuh, Escambia, Mobile and 2 more92 min
Apr 23, 4:05 AM CDTTornado WatchSPCBaldwin, Barbour, Bullock, Butler, Choctaw, Clarke and 14 more11 hr
Apr 23, 7:43 AM CDTMesoscale DiscussionSPCBaldwin, Barbour, Butler, Coffee, Conecuh, Covington and 9 more92 min
Apr 23, 9:29 AM CDTMesoscale DiscussionSPCHouston61 min
Apr 23, 1:37 PM CDTMesoscale DiscussionSPCChoctaw, Clarke, Greene, Hale, Marengo, Perry and 3 more113 min
Apr 22, 9:31 PM CDTMesoscale DiscussionSPCAdams, Amite, Franklin, Lawrence, Lincoln, Pike and 2 more89 min
Apr 22, 9:47 PM CDTTornado WatchSPCAdams, Amite, Claiborne, Clarke, Copiah, Covington and 20 more9 hr
Apr 22, 11:16 PM CDTMesoscale DiscussionSPCAdams, Franklin, Jefferson, Wilkinson89 min

Nearby

Severe Thunderstorm Watches in Alabama, 2020Severe Thunderstorm Watches in Mississippi, 2020Every severe thunderstorm watch in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.