Alert archive / Mississippi / Mesoscale Discussions in 2019

Mesoscale Discussion 210

March 14, 2019Fayette County, Lamar County, Marion County, Alabama; 8 counties in Mississippi

The Storm Prediction Center issued this mesoscale discussion at Mar 14, 2019, 1:01 PM CDT for Fayette County, Lamar County, Marion County, Alabama; 8 counties in Mississippi. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued
Mar 14, 2019, 1:01 PM CDT (18:01 UTC)
Expired
Mar 14, 2019, 2:00 PM CDT
In force
59 min
Issued by
the Storm Prediction Center

Counties Fayette County, AL, Lamar County, AL, Marion County, AL, Attala County, MS, Choctaw County, MS, Clay County, MS, Lowndes County, MS, Monroe County, MS, Noxubee County, MS, Oktibbeha County, MS, Winston County, MS

The radar

The Columbus AFB radar (KGWX), 36 km from the middle of the area, began a volume at 18:06 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.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.0 hours before the alert went out and 167 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2019-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2019-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 522 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
822 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
522 m²/s²
0-3 km storm-relative helicity
618 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 14, 10:32 AM CDTMesoscale DiscussionSPCColbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 1 more58 min
Mar 14, 11:47 AM CDTMesoscale DiscussionSPCColbert, Cullman, Fayette, Franklin, Greene, Jefferson and 12 more88 min
Mar 14, 12:11 PM CDTTornado WatchSPCBibb, Blount, Calhoun, Cherokee, Cleburne, Colbert and 25 more7 hr
Mar 14, 2:58 PM CDTMesoscale DiscussionSPCColbert, Cullman, Fayette, Franklin, Greene, Lamar and 10 more92 min
Mar 14, 5:39 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 22 more96 min
Mar 14, 6:41 PM CDTTornado WatchSPCAutauga, Bibb, Calhoun, Cherokee, Chilton, Clay and 13 more5 hr
Mar 14, 4:47 AM CDTMesoscale DiscussionSPCBolivar, Coahoma, DeSoto, Panola, Quitman, Sunflower and 3 more88 min
Mar 14, 5:28 AM CDTTornado WatchSPCAlcorn, Benton, Bolivar, Calhoun, Coahoma, DeSoto and 13 more7 hr
Mar 14, 7:14 AM CDTMesoscale DiscussionSPCAlcorn, Benton, Bolivar, Calhoun, Carroll, Coahoma and 18 more2 hr
Mar 14, 2:10 PM CDTMesoscale DiscussionSPCClarke, Copiah, Covington, Forrest, Jasper, Jefferson Davis and 14 more95 min

Nearby

Mesoscale Discussions in Mississippi, 2019Mesoscale Discussions in Alabama, 2019Every mesoscale discussion 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.