Alert archive / Mississippi / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 326, NWS Memphis, TN

June 28, 2010Itawamba County, Lee County, Monroe County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Jun 28, 2010, 2:25 PM CDT for Itawamba County, Lee County, Monroe County, Mississippi. It was in force for 50 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: Jun 28, 2010, 2:25 PM CDT (19:25 UTC)
Expired: Jun 28, 2010, 3:15 PM CDT
In force: 50 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Itawamba County, MS, Lee County, MS, Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 33 km from the middle of the area, began a volume at 19:27 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, 7.4 hours before the alert went out and 152 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: 994 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1019 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 39 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 severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 28, 12:56 PM CDT, 1 hour 29 minutes earlier.

Area forecast discussion, Jun 28, 12:56 PM CDT, 1 hour 29 minutes before

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Hazardous weather outlook, Jun 28, 9:24 AM CDT, 5 hours 1 minute before

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In the hours before

Local storm report, Jun 28, 12:01 PM CDT, 2 hours 24 minutes before

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Special weather statement, Jun 28, 1:56 PM CDT, 29 minutes before

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Special weather statement, Jun 28, 2:11 PM CDT, 14 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
Jun 28, 2:48 AM CDT	Heat Advisory	MEG	Chester, Decatur, Fayette, Hardeman, Hardin, Haywood and 5 more	16 hr
Jun 28, 5:49 PM CDT	Flash Flood Warning	MEG	Crockett, Gibson, Haywood, Madison	103 min
Jun 28, 2:50 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba	40 min
Jun 28, 4:24 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Monroe	51 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2010 Every severe thunderstorm warning in 2010

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.