Alert archive / Missouri / Mesoscale Discussions in 2019

Mesoscale Discussion 83

February 6, 201911 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Feb 6, 2019, 11:33 PM CST for 11 counties in Missouri. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued
Feb 6, 2019, 11:33 PM CST (05:33 UTC)
Expired
Feb 7, 2019, 1:00 AM CST
In force
87 min
Issued by
the Storm Prediction Center
Chance of a watch
5%

Counties Barry County, MO, Christian County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Lawrence County, MO, Ozark County, MO, Stone County, MO, Taney County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 36 km from the middle of the area, began a volume at 05:36 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

Springfield, MO (KSGF), launched 00:00Z, 5.6 hours before the alert went out and 56 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, Springfield, MO at 00:00Z on 2019-02-07Temperature 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, Springfield, MO at 00:00Z on 2019-02-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 399 square meters per square second.1939587897117136Sfc1 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
425 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
399 m²/s²
0-3 km storm-relative helicity
372 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
Feb 6, 7:51 PM CSTMesoscale DiscussionSPCBates, Buchanan, Cass, Clay, Clinton, Henry and 8 more6 hr
Feb 6, 9:06 PM CSTMesoscale DiscussionSPCBarry, Barton, Cedar, Dade, Greene, Jasper and 6 more114 min
Feb 6, 9:33 PM CSTMesoscale DiscussionSPCAdair, Andrew, Atchison, Boone, Carroll, Chariton and 26 more6 hr
Feb 7, 12:50 AM CSTMesoscale DiscussionSPCCarter, Dent, Douglas, Howell, Reynolds, Shannon and 1 more55 min
Feb 7, 2:21 AM CSTSevere Thunderstorm WatchSPCHowell, Oregon, Ozark, Shannon6 hr
Feb 7, 5:23 AM CSTMesoscale DiscussionSPCBollinger, Butler, Carter, Oregon, Ripley, Stoddard and 1 more67 min
Feb 7, 7:11 AM CSTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Dunklin, Mississippi, New Madrid and 5 more64 min
Feb 7, 9:26 AM CSTMesoscale DiscussionSPCMississippi, New Madrid, Pemiscot94 min

Nearby

Mesoscale Discussions in Missouri, 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.