Alert archive / Mississippi / Mesoscale Discussions in 2014
Mesoscale Discussion 188
The Storm Prediction Center issued this mesoscale discussion at Mar 16, 2014, 4:20 AM CDT for Mobile County, Washington County, Alabama; Tangipahoa Parish, Washington Parish, Louisiana; 14 counties in Mississippi. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Mar 16, 2014, 4:20 AM CDT (09:20 UTC)
- Expired
- Mar 16, 2014, 6:15 AM CDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
Counties Mobile County, AL, Washington County, AL, Tangipahoa Parish, LA, Washington Parish, LA, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Jackson County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Marion County, MS, Pearl River County, MS, Perry County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 111 km from the middle of the area, began a volume at 09:21 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 9.3 hours before the alert went out and 112 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
- 72 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 645 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 4:51 AM CDT | Tornado Watch | SPC | Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more | 7 hr |
| Mar 16, 6:31 AM CDT | Mesoscale Discussion | SPC | Baldwin, Clarke, Escambia, Mobile, Monroe, Washington and 1 more | 89 min |
| Mar 16, 7:51 AM CDT | Mesoscale Discussion | SPC | Coffee, Geneva, Houston | 84 min |
| Mar 16, 8:59 AM CDT | Tornado Watch | SPC | Barbour, Coffee, Dale, Geneva, Henry, Houston and 1 more | 8 hr |
| Mar 16, 10:27 AM CDT | Mesoscale Discussion | SPC | Houston | 93 min |
| Mar 16, 1:42 AM CDT | Mesoscale Discussion | SPC | Ascension, East Baton Rouge, East Feliciana, Iberville, Lafayette, Livingston and 10 more | 2 hr |
| Mar 16, 5:46 AM CDT | Mesoscale Discussion | SPC | Beauregard, Sabine, Vernon | 119 min |
Nearby
Mesoscale Discussions in Mississippi, 2014Mesoscale Discussions in Alabama, 2014Mesoscale Discussions in Louisiana, 2014Every mesoscale discussion in 2014
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.