Alert archive / Mississippi / Special Weather Statements in 2013

Special Weather Statement, NWS Memphis, TN

July 11, 2013Quitman County, Mississippi

NWS Memphis, TN issued this special weather statement at Jul 11, 2013, 6:21 PM CDT for Quitman County, Mississippi. It was in force for 24 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 11, 2013, 6:21 PM CDT (23:21 UTC)
Expired: Jul 11, 2013, 6:45 PM CDT
In force: 24 min
Issued by: NWS Memphis, TN

County Quitman County, MS

The radar

The Memphis radar (KNQA), 131 km from the middle of the area, began a volume at 23:23 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, 11.4 hours before the alert went out and 212 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: 2640 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 725 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 63 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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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 Memphis, TN wrote its last area forecast discussion before this special weather statement went out at Jul 11, 3:24 PM CDT, 2 hours 57 minutes earlier.

Area forecast discussion, Jul 11, 3:24 PM CDT, 2 hours 57 minutes before

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Hazardous weather outlook, Jul 11, 3:24 PM CDT, 2 hours 57 minutes before

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In the hours before

Special weather statement, Jul 11, 2:57 PM CDT, 3 hours 24 minutes before

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Special weather statement, Jul 11, 4:26 PM CDT, 1 hour 55 minutes before

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Special weather statement, Jul 11, 4:56 PM CDT, 1 hour 25 minutes before

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Special weather statement, Jul 11, 5:26 PM CDT, 55 minutes before

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Special weather statement, Jul 11, 5:55 PM CDT, 26 minutes before

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Special weather statement, Jul 11, 6:21 PM CDT, 0 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
Jul 10, 10:40 PM CDT	Special Weather Statement	MEG	Fayette	35 min
Jul 10, 10:47 PM CDT	Special Weather Statement	MEG	Hardin	43 min
Jul 10, 11:20 PM CDT	Special Weather Statement	MEG	Fayette	25 min
Jul 10, 11:41 PM CDT	Special Weather Statement	MEG	Coahoma	34 min
Jul 11, 10:32 AM CDT	River Flood Warning	MEG	Lowndes, Monroe	10 hr
Jul 11, 1:32 PM CDT	Special Weather Statement	MEG	Alcorn	43 min
Jul 11, 2:57 PM CDT	Special Weather Statement	MEG	Pontotoc	48 min
Jul 11, 4:26 PM CDT	Special Weather Statement	MEG	Yalobusha	34 min
Jul 11, 4:56 PM CDT	Special Weather Statement	MEG	Quitman	34 min
Jul 11, 5:26 PM CDT	Special Weather Statement	MEG	Tallahatchie	34 min
Jul 11, 5:55 PM CDT	Special Weather Statement	MEG	Tallahatchie	50 min
Jul 10, 7:55 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Poinsett	50 min
Jul 10, 9:44 PM CDT	Special Weather Statement	MEG	Crittenden	31 min
Jul 10, 9:53 PM CDT	Special Weather Statement	MEG	Cross	37 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.