Alert archive / Mississippi / Flash Flood Warnings in 2010

Flash Flood Warning 281, NWS Memphis, TN

October 24, 20104 counties in Mississippi

NWS Memphis, TN issued this flash flood warning at Oct 24, 2010, 7:38 PM CDT for 4 counties in Mississippi. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 24, 2010, 7:38 PM CDT (00:38 UTC)
Expired: Oct 24, 2010, 10:10 PM CDT
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

Counties Coahoma County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS

The radar

The Memphis radar (KNQA), 132 km from the middle of the area, began a volume at 00:41 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 00:00Z, 0.6 hours before the alert went out and 76 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: 79 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 1875 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 122 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 Oct 24, 7:21 PM CDT, 17 minutes earlier.

Area forecast discussion, Oct 24, 7:21 PM CDT, 17 minutes before

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Hazardous weather outlook, Oct 24, 3:45 PM CDT, 3 hours 53 minutes before

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In the hours before

Local storm report, Oct 24, 6:38 PM CDT, 1 hour before

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Special weather statement, Oct 24, 6:49 PM CDT, 49 minutes before

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Special weather statement, Oct 24, 6:53 PM CDT, 45 minutes before

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Special weather statement, Oct 24, 6:59 PM CDT, 39 minutes before

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Local storm report, Oct 24, 7:26 PM CDT, 12 minutes before

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Special weather statement, Oct 24, 7:33 PM CDT, 5 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
Oct 24, 8:31 PM CDT	Flash Flood Warning	MEG	Decatur, Hardin, Henderson	3 hr
Oct 25, 4:16 PM CDT	Wind Advisory	MEG	Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more	22 hr
Oct 24, 7:07 PM CDT	Severe Thunderstorm Warning	MEG	Lafayette, Panola, Tallahatchie, Yalobusha	53 min
Oct 24, 7:08 PM CDT	Severe Thunderstorm Warning	MEG	Tallahatchie, Yalobusha	52 min
Oct 24, 7:48 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Quitman	42 min
Oct 24, 8:17 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Lafayette, Pontotoc	43 min
Oct 24, 9:31 PM CDT	Areal Flood Advisory	MEG	Calhoun, Chickasaw, Lee, Pontotoc, Union	59 min
Oct 24, 9:44 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Prentiss, Tishomingo	46 min
Oct 24, 9:56 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Tishomingo	49 min
Oct 24, 10:31 PM CDT	Areal Flood Advisory	MEG	Alcorn, Calhoun, Chickasaw, Itawamba, Lafayette, Lee and 7 more	89 min
Oct 24, 11:24 PM CDT	Flash Flood Warning	MEG	Calhoun, Chickasaw, Itawamba, Lafayette, Lee, Monroe and 5 more	3 hr
Oct 25, 12:45 AM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Itawamba, Monroe	45 min
Oct 25, 1:14 AM CDT	Tornado Warning	MEG	Monroe	17 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.