Alert archive / Louisiana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 184, NWS Jackson, MS

April 25, 2019Adams County, Mississippi; Catahoula Parish, Concordia Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Apr 25, 2019, 10:36 AM CDT for Adams County, Mississippi; Catahoula Parish, Concordia Parish, Louisiana. It was in force for 19 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: Apr 25, 2019, 10:36 AM CDT (15:36 UTC)
Expired: Apr 25, 2019, 10:55 AM CDT
In force: 19 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Catahoula Parish, LA, Concordia Parish, LA, Adams County, MS

The radar

The Ft Polk radar (KPOE), 136 km from the middle of the area, began a volume at 15:35 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, 3.6 hours before the alert went out and 169 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: 260 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 698 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 229 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 25, 10:22 AM CDT, 14 minutes earlier.

Area forecast discussion, Apr 25, 10:22 AM CDT, 14 minutes before

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Hazardous weather outlook, Apr 25, 9:39 AM CDT, 57 minutes before

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In the hours before

Local storm report, Apr 25, 9:26 AM CDT, 1 hour 10 minutes before

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Local storm report, Apr 25, 9:51 AM CDT, 45 minutes before

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Local storm report, Apr 25, 9:53 AM CDT, 43 minutes before

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Special weather statement, Apr 25, 10:19 AM CDT, 17 minutes before

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Local storm report, Apr 25, 10:29 AM CDT, 7 minutes before

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Local storm report, Apr 25, 10:31 AM CDT, 5 minutes before

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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 25, 3:10 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Washington	50 min
Apr 25, 3:47 AM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Issaquena, Sharkey, Washington, Yazoo	58 min
Apr 25, 4:31 AM CDT	Severe Thunderstorm Warning	JAN	Hinds, Issaquena, Warren, Yazoo	59 min
Apr 25, 4:33 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Humphreys, Leflore	42 min
Apr 25, 4:46 AM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Madison, Yazoo	59 min
Apr 25, 5:14 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Holmes, Montgomery	61 min
Apr 25, 5:29 AM CDT	Severe Thunderstorm Warning	JAN	Hinds, Issaquena, Madison, Warren, Yazoo	61 min
Apr 25, 6:04 AM CDT	Special Weather Statement	JAN	Webster	56 min
Apr 25, 6:21 AM CDT	Special Weather Statement	JAN	Madison	54 min
Apr 25, 6:48 AM CDT	Severe Thunderstorm Warning	JAN	Adams, Jefferson	57 min
Apr 25, 6:56 AM CDT	Special Weather Statement	JAN	Warren	34 min
Apr 25, 7:00 AM CDT	Flash Flood Warning	JAN	Issaquena, Sharkey, Warren, Yazoo	3 hr
Apr 25, 7:23 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Franklin, Jefferson	51 min
Apr 25, 7:46 AM CDT	Severe Thunderstorm Warning	JAN	Copiah, Hinds	55 min
Apr 25, 8:33 AM CDT	Special Weather Statement	JAN	Rankin	57 min
Apr 25, 8:34 AM CDT	Special Weather Statement	JAN	Neshoba	26 min
Apr 25, 9:14 AM CDT	Special Weather Statement	JAN	Noxubee	31 min
Apr 25, 9:22 AM CDT	Special Weather Statement	JAN	Newton, Scott	23 min
Apr 25, 9:36 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Newton, Scott, Smith	10 min
Apr 25, 9:49 AM CDT	River Flood Warning	JAN	Carroll, Leflore	48 hr
Apr 25, 10:19 AM CDT	Special Weather Statement	JAN	Smith	26 min
Apr 25, 10:28 AM CDT	River Flood Warning	JAN	Leake	7 days
Apr 25, 11:03 AM CDT	Special Weather Statement	JAN	Jasper	27 min
Apr 25, 2:35 AM CDT	Severe Thunderstorm Warning	JAN	Morehouse, Richland, West Carroll	55 min
Apr 25, 2:42 AM CDT	Severe Thunderstorm Warning	JAN	Morehouse	32 min
Apr 25, 3:36 AM CDT	Tornado Warning	JAN	Catahoula, Franklin, Tensas	39 min
Apr 25, 4:12 AM CDT	Tornado Warning	JAN	Franklin, Madison, Tensas	63 min
Apr 25, 6:09 AM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia, Franklin	81 min
Apr 25, 8:22 AM CDT	Severe Thunderstorm Warning	JAN	Concordia	24 min
Apr 25, 3:07 AM CDT	Severe Thunderstorm Warning	JAN	Ashley	20 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2019 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.