Alert archive / Mississippi / Tornado Watches in 2023
Tornado Watch 103
The Storm Prediction Center issued this tornado watch at Apr 1, 2023, 2:40 AM CDT for 15 counties in Mississippi. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 1, 2023, 2:40 AM CDT (07:40 UTC)
- Expired
- Apr 1, 2023, 6:33 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
Counties Clarke County, MS, Clay County, MS, Jasper County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Lowndes County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Winston County, MS
The radar
The Columbus AFB radar (KGWX), 120 km from the middle of the area, began a volume at 07:44 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
- 30%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 50%
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 7.7 hours before the alert went out and 195 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
- 169 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 1105 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 362 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 11:20 PM CDT | Mesoscale Discussion | SPC | Colbert, Cullman, Franklin, Jackson, Lauderdale, Lawrence and 5 more | 115 min |
| Mar 31, 11:59 PM CDT | Tornado Watch | SPC | Colbert, Cullman, DeKalb, Fayette, Franklin, Jackson and 10 more | 6 hr |
| Apr 1, 1:13 AM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Lauderdale, Lawrence, Limestone, Madison and 3 more | 92 min |
| Apr 1, 3:19 AM CDT | Tornado Watch | SPC | Autauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 19 more | 5 hr |
| Apr 1, 3:46 AM CDT | Mesoscale Discussion | SPC | Blount, Calhoun, Cherokee, Cullman, DeKalb, Etowah and 9 more | 89 min |
| Apr 1, 6:18 AM CDT | Mesoscale Discussion | SPC | Bibb, Blount, Calhoun, Cherokee, Chilton, Clay and 14 more | 87 min |
| Apr 1, 11:55 AM CDT | Mesoscale Discussion | SPC | Dale, Henry, Houston | 2 hr |
| Apr 1, 12:47 PM CDT | Severe Thunderstorm Watch | SPC | Coffee, Dale, Geneva, Henry, Houston | 6 hr |
| Apr 1, 3:04 PM CDT | Mesoscale Discussion | SPC | Houston | 86 min |
| Mar 31, 7:42 PM CDT | Mesoscale Discussion | SPC | Adams, Bolivar, Carroll, Claiborne, Coahoma, Grenada and 12 more | 2 hr |
| Mar 31, 8:24 PM CDT | Tornado Watch | SPC | Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 17 more | 8 hr |
| Mar 31, 10:23 PM CDT | Mesoscale Discussion | SPC | Benton, Bolivar, Calhoun, Carroll, Chickasaw, Coahoma and 19 more | 2 hr |
| Apr 1, 2:03 AM CDT | Mesoscale Discussion | SPC | Attala, Carroll, Choctaw, Claiborne, Clay, Copiah and 23 more | 87 min |
Nearby
Tornado Watches in Mississippi, 2023Every tornado watch in 2023
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.