Alert archive / Mississippi / Freeze Warnings in 2019

Freeze Warning 9, NWS Jackson, MS

November 11, 201926 counties in Mississippi; Catahoula Parish, Concordia Parish, Louisiana

NWS Jackson, MS issued this freeze warning at Nov 11, 2019, 10:51 AM CST for 26 counties in Mississippi; Catahoula Parish, Concordia Parish, Louisiana. It took effect at Nov 12, 2019, 4:00 PM CST. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 11, 2019, 10:51 AM CST (16:51 UTC)
In effect from: Nov 12, 2019, 4:00 PM CST
Expired: Nov 13, 2019, 10:00 AM CST
In force: 18 hr
Issued by: NWS Jackson, MS

All 28 counties

Catahoula Parish, LA, Concordia Parish, LA, Adams County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Hinds County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Madison County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 40 km from the middle of the area, began a volume at 16:55 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.9 hours before the alert went out and 187 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: 956 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 179 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 freeze 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 freeze warning went out at Nov 11, 5:41 AM CST, 5 hours 10 minutes earlier.

Area forecast discussion, Nov 11, 5:41 AM CST, 5 hours 10 minutes before

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Hazardous weather outlook, Nov 11, 4:08 AM CST, 6 hours 43 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
Nov 11, 3:36 AM CST	Freeze Watch	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more	7 hr
Nov 11, 3:36 AM CST	Freeze Warning	JAN	Attala, Bolivar, Carroll, Choctaw, Clay, Grenada and 15 more	54 hr
Nov 11, 3:36 AM CST	Wind Advisory	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more	38 hr

Nearby

Freeze Warnings in Mississippi, 2019 Freeze Warnings in Louisiana, 2019 Every freeze 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.