Alert archive / Mississippi / Special Weather Statements in 2012

Special Weather Statement, NWS Memphis, TN

July 14, 2012Tallahatchie County, Mississippi

NWS Memphis, TN issued this special weather statement at Jul 14, 2012, 6:02 PM CDT for Tallahatchie 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: Jul 14, 2012, 6:02 PM CDT (23:02 UTC)
Expired: Jul 14, 2012, 6:30 PM CDT
In force: 28 min
Issued by: NWS Memphis, TN

County Tallahatchie County, MS

The radar

The Memphis radar (KNQA), 169 km from the middle of the area, began a volume at 23:05 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

Little Rock, AR (KLZK), launched 12:00Z, 11.0 hours before the alert went out and 113 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: 1302 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 555 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 1:54 PM CDT	Areal Flood Advisory	MEG	DeSoto	49 min
Jul 14, 2:41 PM CDT	Areal Flood Advisory	MEG	Benton, Tippah	2 hr
Jul 14, 3:54 PM CDT	Flash Flood Warning	MEG	Lafayette, Panola, Yalobusha	96 min
Jul 14, 1:47 PM CDT	Areal Flood Advisory	MEG	Chester, McNairy	77 min
Jul 14, 1:51 PM CDT	Areal Flood Advisory	MEG	Decatur	73 min
Jul 14, 1:58 PM CDT	Areal Flood Advisory	MEG	Lawrence, Randolph	70 min

Nearby

Special Weather Statements in Mississippi, 2012 Every special weather statement in 2012

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.