Alert archive / Mississippi / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 60, NWS Memphis, TN

May 19, 2019Coahoma County, Mississippi; Phillips County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at May 19, 2019, 7:04 PM CDT for Coahoma County, Mississippi; Phillips County, Arkansas. It was in force for 30 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: May 19, 2019, 7:04 PM CDT (00:04 UTC)
Expired: May 19, 2019, 7:34 PM CDT
In force: 30 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Phillips County, AR, Coahoma County, MS

The radar

The Memphis radar (KNQA), 137 km from the middle of the area, began a volume at 00:06 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

Shreveport, LA (KBAD), launched 00:00Z, 0.1 hours before the alert went out and 348 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 0 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 May 19, 6:45 PM CDT, 19 minutes earlier.

Area forecast discussion, May 19, 6:45 PM CDT, 19 minutes before

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Hazardous weather outlook, May 19, 3:44 PM CDT, 3 hours 20 minutes before

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In the hours before

Local storm report, May 19, 5:07 PM CDT, 1 hour 57 minutes before

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Local storm report, May 19, 5:12 PM CDT, 1 hour 52 minutes before

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Local storm report, May 19, 5:25 PM CDT, 1 hour 39 minutes before

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Local storm report, May 19, 6:47 PM CDT, 17 minutes before

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Special weather statement, May 19, 6:52 PM CDT, 12 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
May 19, 7:18 PM CDT	Special Weather Statement	MEG	Coahoma	42 min
May 19, 7:30 PM CDT	Special Weather Statement	MEG	Coahoma	30 min
May 19, 7:56 PM CDT	Areal Flood Advisory	MEG	Coahoma	2 hr
May 19, 8:10 PM CDT	Special Weather Statement	MEG	Quitman, Tallahatchie	35 min
May 20, 5:33 AM CDT	Dense Fog Advisory	MEG	Alcorn, Benton, Itawamba, Marshall, Prentiss, Tippah and 1 more	3 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2019 Severe Thunderstorm Warnings in Arkansas, 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.