Alert archive / Mississippi / Flash Flood Warnings in 2010

Flash Flood Warning 174, NWS Memphis, TN

June 17, 20109 counties in Mississippi

NWS Memphis, TN issued this flash flood warning at Jun 17, 2010, 5:08 PM CDT for 9 counties in Mississippi. It was in force for 65 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 17, 2010, 5:08 PM CDT (22:08 UTC)
Expired: Jun 17, 2010, 6:13 PM CDT
In force: 65 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

Counties Calhoun County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Yalobusha County, MS

The radar

The Memphis radar (KNQA), 113 km from the middle of the area, began a volume at 22:09 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, 10.1 hours before the alert went out and 312 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: 1454 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 956 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 26 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 flash flood 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 flash flood warning went out at Jun 17, 3:50 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jun 17, 3:50 PM CDT, 1 hour 18 minutes before

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Hazardous weather outlook, Jun 17, 3:56 PM CDT, 1 hour 12 minutes before

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In the hours before

Special weather statement, Jun 17, 4:09 PM CDT, 59 minutes before

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Special weather statement, Jun 17, 4:24 PM CDT, 44 minutes before

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Special weather statement, Jun 17, 4:33 PM CDT, 35 minutes before

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Special weather statement, Jun 17, 4:50 PM CDT, 18 minutes before

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Special weather statement, Jun 17, 4:58 PM CDT, 10 minutes before

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Special weather statement, Jun 17, 5:01 PM CDT, 7 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 17, 1:55 PM CDT	Severe Thunderstorm Warning	MEG	Gibson, Henry, Obion, Weakley	65 min
Jun 17, 2:22 PM CDT	Flash Flood Warning	MEG	Fayette, Shelby	82 min
Jun 17, 2:27 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Henry, Weakley	63 min
Jun 17, 2:56 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Henry, Weakley	49 min
Jun 17, 4:39 PM CDT	Severe Thunderstorm Warning	MEG	Dyer, Lauderdale	51 min
Jun 17, 3:10 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Tate, Tunica	50 min
Jun 17, 3:24 PM CDT	Flash Flood Warning	MEG	DeSoto, Marshall, Tate	108 min
Jun 17, 3:39 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Lafayette, Marshall, Panola, Tate	51 min

Nearby

Flash Flood Warnings in Mississippi, 2010 Every flash flood 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.