Alert archive / Mississippi / Tornado Watches in 2019
Tornado Watch 56
The Storm Prediction Center issued this tornado watch at Apr 13, 2019, 9:33 PM CDT for 7 counties in Alabama; Saint Tammany Parish, Washington Parish, Louisiana; 9 counties in Mississippi. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2019, 9:33 PM CDT (02:33 UTC)
- Expired
- Apr 14, 2019, 6:00 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Baldwin County, AL, Choctaw County, AL, Clarke County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Saint Tammany Parish, LA, Washington Parish, LA, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Pearl River County, MS, Perry County, MS, Stone County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 84 km from the middle of the area, began a volume at 02:35 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
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 10:58 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Washington | 33 min |
| Apr 13, 11:05 PM CDT | Tornado Warning | MOB | Choctaw, Washington | 25 min |
| Apr 13, 11:14 PM CDT | Tornado Warning | MOB | Wayne | 28 min |
| Apr 14, 12:16 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 44 min |
| Apr 14, 12:22 AM CDT | Tornado Warning | MOB | Choctaw | 53 min |
| Apr 14, 12:26 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 49 min |
| Apr 14, 1:11 AM CDT | Severe Thunderstorm Warning | MOB | George, Greene, Stone | 49 min |
| Apr 14, 1:14 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 46 min |
| Apr 14, 2:39 AM CDT | Tornado Warning | LIX | Jackson | 21 min |
| Apr 14, 3:00 AM CDT | Tornado Warning | LIX | Jackson | 15 min |
| Apr 14, 3:06 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 39 min |
| Apr 14, 3:25 AM CDT | Tornado Warning | MOB | Mobile | 35 min |
| Apr 14, 3:47 AM CDT | Tornado Warning | MOB | Baldwin, Mobile | 28 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 2.6 hours before the alert went out and 109 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
- 1822 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 439 m²/s²
- 0-3 km storm-relative helicity
- 458 m²/s²
- Significant tornado parameter
- 5.5
- Supercell composite
- 21.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 7:11 PM CDT | Tornado Watch | SPC | Bibb, Blount, Colbert, Cullman, Fayette, Franklin and 19 more | 11 hr |
| Apr 13, 8:25 PM CDT | Mesoscale Discussion | SPC | Choctaw, Washington | 95 min |
| Apr 13, 9:13 PM CDT | Mesoscale Discussion | SPC | Bibb, Blount, Chilton, Choctaw, Colbert, Cullman and 19 more | 92 min |
| Apr 13, 11:01 PM CDT | Mesoscale Discussion | SPC | Bibb, Choctaw, Clarke, Dallas, Fayette, Franklin and 15 more | 119 min |
| Apr 14, 12:39 AM CDT | Mesoscale Discussion | SPC | Calhoun, Cherokee, Clay, Cleburne, DeKalb, Etowah and 2 more | 66 min |
| Apr 14, 1:04 AM CDT | Tornado Watch | SPC | Autauga, Barbour, Bullock, Calhoun, Chambers, Cherokee and 19 more | 9 hr |
| Apr 14, 2:15 AM CDT | Mesoscale Discussion | SPC | Baldwin, Butler, Choctaw, Clarke, Coffee, Conecuh and 10 more | 60 min |
| Apr 14, 2:45 AM CDT | Tornado Watch | SPC | Butler, Coffee, Conecuh, Covington, Crenshaw, Dale and 4 more | 7 hr |
| Apr 14, 4:20 AM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 18 more | 115 min |
| Apr 14, 5:36 AM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 18 more | 54 min |
| Apr 14, 7:28 AM CDT | Mesoscale Discussion | SPC | Henry, Houston | 3 hr |
| Apr 14, 9:40 AM CDT | Tornado Watch | SPC | Henry, Houston | 6 hr |
| Apr 14, 10:07 AM CDT | Mesoscale Discussion | SPC | Barbour, Henry, Houston, Russell | 83 min |
| Apr 13, 8:31 PM CDT | Mesoscale Discussion | SPC | Concordia, East Baton Rouge, East Feliciana, Pointe Coupee, Saint Helena, West Feliciana | 119 min |
Nearby
Tornado Watches in Mississippi, 2019Tornado Watches in Alabama, 2019Tornado Watches in Louisiana, 2019Every tornado watch in 2019
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.