Alert archive / Mississippi / Special Weather Statements in 2013

Special Weather Statement, NWS Jackson, MS

June 17, 2013Lowndes County, Mississippi

NWS Jackson, MS issued this special weather statement at Jun 17, 2013, 3:02 PM CDT for Lowndes County, Mississippi. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 17, 2013, 3:02 PM CDT (20:02 UTC)
Expired: Jun 17, 2013, 3:30 PM CDT
In force: 28 min
Issued by: NWS Jackson, MS

County Lowndes County, MS

The radar

The Columbus AFB radar (KGWX), 64 km from the middle of the area, began a volume at 20:04 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

Birmingham, AL (KBMX), launched 12:00Z, 8.0 hours before the alert went out and 177 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: 2029 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 590 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 17, 10:56 AM CDT, 4 hours 6 minutes earlier.

Area forecast discussion, Jun 17, 10:56 AM CDT, 4 hours 6 minutes before

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Hazardous weather outlook, Jun 17, 4:31 AM CDT, 10 hours 31 minutes before

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In the hours before

Special weather statement, Jun 17, 12:37 PM CDT, 2 hours 25 minutes before

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Special weather statement, Jun 17, 3:02 PM CDT, 0 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
Jun 17, 6:13 AM CDT	Special Weather Statement	JAN	Leflore	42 min
Jun 17, 12:37 PM CDT	Special Weather Statement	JAN	Leake	28 min
Jun 17, 1:49 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Neshoba, Newton	56 min
Jun 17, 3:44 PM CDT	Special Weather Statement	JAN	Lowndes	31 min
Jun 17, 4:02 PM CDT	Special Weather Statement	JAN	Grenada	28 min

Nearby

Special Weather Statements in Mississippi, 2013 Every special weather statement in 2013

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.