Alert archive / Mississippi / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 66, NWS Memphis, TN

June 17, 2019Chickasaw County, Monroe County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Jun 17, 2019, 5:31 PM CDT for Chickasaw County, Monroe County, Mississippi. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 17, 2019, 5:31 PM CDT (22:31 UTC)
Expired: Jun 17, 2019, 6:15 PM CDT
In force: 44 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Chickasaw County, MS, Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 36 km from the middle of the area, began a volume at 22:31 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

Jackson, MS (KJAN), launched 12:00Z, 10.5 hours before the alert went out and 217 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 170 J/kg
Mixed-layer CIN: -227 J/kg
Mixed-layer LCL: 1248 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 6:28 PM CDT, 23 hours 3 minutes earlier.

Area forecast discussion, Jun 16, 6:28 PM CDT, 23 hours 3 minutes before

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The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 3:08 PM CDT	Special Weather Statement	MEG	Pontotoc	52 min
Jun 17, 3:57 PM CDT	Special Weather Statement	MEG	Union	33 min
Jun 17, 4:21 PM CDT	Special Weather Statement	MEG	Tippah	24 min
Jun 17, 4:42 PM CDT	Areal Flood Advisory	MEG	Tippah, Union	3 hr
Jun 17, 4:49 PM CDT	Areal Flood Advisory	MEG	Calhoun	3 hr
Jun 17, 4:57 PM CDT	Special Weather Statement	MEG	Tippah	33 min
Jun 17, 5:29 PM CDT	Areal Flood Advisory	MEG	Chickasaw, Pontotoc	2 hr
Jun 17, 2:59 PM CDT	Special Weather Statement	MEG	Chester	31 min
Jun 17, 3:02 PM CDT	Special Weather Statement	MEG	Henderson	28 min
Jun 17, 3:28 PM CDT	Special Weather Statement	MEG	Henderson	32 min
Jun 17, 4:32 PM CDT	Special Weather Statement	MEG	Decatur	28 min
Jun 17, 4:42 PM CDT	Special Weather Statement	MEG	Carroll	33 min
Jun 17, 4:46 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Gibson, Madison	19 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2019 Every severe thunderstorm warning 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.