Alert archive / Mississippi / Special Weather Statements in 2020
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Apr 29, 2020, 4:59 AM CDT for 9 counties in Mississippi; East Carroll Parish, Madison Parish, West Carroll Parish, Louisiana. It was in force for 61 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
- Apr 29, 2020, 4:59 AM CDT (09:59 UTC)
- Expired
- Apr 29, 2020, 6:00 AM CDT
- In force
- 61 min
- Issued by
- NWS Jackson, MS
Counties East Carroll Parish, LA, Madison Parish, LA, West Carroll Parish, LA, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Leflore County, MS, Sharkey County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 123 km from the middle of the area, began a volume at 10:03 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
Little Rock, AR (KLZK), launched 00:00Z, 10.0 hours before the alert went out and 199 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
- 457 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 1081 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.2
The text
As transmitted.
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</html>The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 10:46 PM CDT | Special Weather Statement | JAN | Covington, Jefferson Davis, Simpson, Smith | 59 min |
| Apr 29, 12:40 AM CDT | Special Weather Statement | JAN | Bolivar | 65 min |
| Apr 29, 1:22 AM CDT | Special Weather Statement | JAN | Bolivar, Sunflower, Washington | 53 min |
| Apr 29, 2:06 AM CDT | Special Weather Statement | JAN | Attala, Carroll, Choctaw, Grenada, Holmes, Montgomery and 1 more | 54 min |
| Apr 29, 2:07 AM CDT | Special Weather Statement | JAN | Humphreys, Issaquena, Sharkey, Yazoo | 53 min |
| Apr 29, 3:08 AM CDT | Special Weather Statement | JAN | Adams, Claiborne, Franklin, Jefferson | 37 min |
| Apr 29, 3:22 AM CDT | Special Weather Statement | JAN | Copiah, Hinds, Lauderdale, Leake, Neshoba, Newton and 4 more | 23 min |
| Apr 29, 3:37 AM CDT | Special Weather Statement | JAN | Bolivar, Humphreys, Issaquena, Sharkey, Sunflower, Washington | 83 min |
| Apr 29, 5:12 AM CDT | Special Weather Statement | JAN | Jefferson Davis | 33 min |
| Apr 29, 5:14 AM CDT | Special Weather Statement | JAN | Forrest | 31 min |
| Apr 29, 5:51 AM CDT | Special Weather Statement | JAN | Forrest | 39 min |
| Apr 29, 2:31 PM CDT | Special Weather Statement | JAN | Clay | 44 min |
| Apr 29, 3:25 PM CDT | Special Weather Statement | JAN | Carroll, Montgomery | 65 min |
| Apr 29, 3:01 AM CDT | Special Weather Statement | JAN | Catahoula, Concordia | 59 min |
Nearby
Special Weather Statements in Mississippi, 2020Special Weather Statements in Louisiana, 2020Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.