Alert archive / Tennessee / Flash Flood Warnings in 2010

Flash Flood Warning 117, NWS Memphis, TN

May 24, 2010Hardin County, Tennessee

NWS Memphis, TN issued this flash flood warning at May 24, 2010, 6:36 PM CDT for Hardin County, Tennessee. It was in force for 2 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: May 24, 2010, 6:36 PM CDT (23:36 UTC)
Expired: May 24, 2010, 8:37 PM CDT
In force: 2 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

County Hardin County, TN

The radar

The Columbus AFB radar (KGWX), 145 km from the middle of the area, began a volume at 23:37 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, 11.6 hours before the alert went out and 166 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: 1851 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 1082 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: 52 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 May 24, 6:30 PM CDT, 6 minutes earlier.

Area forecast discussion, May 24, 6:30 PM CDT, 6 minutes before

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Hazardous weather outlook, May 24, 5:31 PM CDT, 1 hour 5 minutes before

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In the hours before

Special weather statement, May 24, 4:24 PM CDT, 2 hours 12 minutes before

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Special weather statement, May 24, 4:47 PM CDT, 1 hour 49 minutes before

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Special weather statement, May 24, 5:04 PM CDT, 1 hour 32 minutes before

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Local storm report, May 24, 5:14 PM CDT, 1 hour 22 minutes before

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Special weather statement, May 24, 5:53 PM CDT, 43 minutes before

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Local storm report, May 24, 5:56 PM CDT, 40 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
May 24, 8:13 AM CDT	Severe Thunderstorm Warning	MEG	Carroll	47 min
May 24, 9:23 AM CDT	Flash Flood Warning	MEG	Carroll, Henderson, Madison	3 hr
May 24, 11:29 AM CDT	Flash Flood Warning	MEG	Carroll, Gibson, Obion, Weakley	3 hr
May 24, 11:44 AM CDT	Severe Thunderstorm Warning	MEG	Dyer, Gibson, Obion, Weakley	46 min
May 24, 11:56 AM CDT	Flash Flood Warning	MEG	Shelby	3 hr
May 24, 11:57 AM CDT	Flash Flood Warning	MEG	Fayette, Haywood, Tipton	3 hr
May 24, 12:16 PM CDT	Flash Flood Warning	MEG	Shelby	3 hr
May 24, 12:30 PM CDT	Severe Thunderstorm Warning	MEG	Dyer, Gibson, Obion	45 min
May 24, 12:41 PM CDT	Flash Flood Warning	MEG	Shelby, Tipton	3 hr
May 24, 12:41 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	49 min
May 24, 12:43 PM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	47 min
May 24, 12:46 PM CDT	Flash Flood Warning	MEG	Lauderdale, Tipton	2 hr
May 24, 12:55 PM CDT	Flash Flood Warning	MEG	Crockett, Dyer, Gibson, Lake, Obion	105 min
May 24, 1:03 PM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Tipton	42 min
May 24, 1:08 PM CDT	Flash Flood Warning	MEG	Fayette	4 hr
May 24, 1:14 PM CDT	Severe Thunderstorm Warning	MEG	Tipton	46 min
May 24, 1:26 PM CDT	Severe Thunderstorm Warning	MEG	Dyer, Lake	49 min
May 24, 1:28 PM CDT	Flash Flood Warning	MEG	Carroll, Crockett, Dyer, Gibson, Haywood, Lauderdale and 2 more	3 hr
May 24, 1:29 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby	46 min
May 24, 1:48 PM CDT	Severe Thunderstorm Warning	MEG	Dyer, Lauderdale	42 min
May 24, 2:16 PM CDT	Flash Flood Warning	MEG	Fayette, Hardeman	3 hr
May 24, 3:40 PM CDT	Severe Thunderstorm Warning	MEG	Hardin	35 min
May 24, 3:43 PM CDT	Flash Flood Warning	MEG	Carroll, Decatur, Hardin, Henderson	3 hr
May 24, 4:11 PM CDT	Severe Thunderstorm Warning	MEG	Hardin, McNairy	34 min
May 24, 4:35 PM CDT	Flash Flood Warning	MEG	Chester, Hardeman, Hardin, Henderson, McNairy, Madison	3 hr
May 24, 4:36 PM CDT	Severe Thunderstorm Warning	MEG	Chester, McNairy	24 min
May 24, 5:08 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Hardeman, Hardin, Henderson, McNairy, Madison	37 min
May 24, 1:40 PM CDT	Severe Thunderstorm Warning	MEG	Tunica	50 min
May 24, 1:41 PM CDT	Flash Flood Warning	MEG	Benton, Coahoma, DeSoto, Lafayette, Marshall, Panola and 5 more	3 hr
May 24, 2:25 PM CDT	Severe Thunderstorm Warning	MEG	Tunica	50 min
May 24, 2:58 PM CDT	Severe Thunderstorm Warning	MEG	Panola, Quitman, Tate, Tunica	47 min
May 24, 3:38 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Quitman	37 min
May 24, 3:52 PM CDT	Flash Flood Warning	MEG	Calhoun, Coahoma, Lafayette, Panola, Pontotoc, Quitman and 2 more	3 hr
May 24, 4:32 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Prentiss, Tishomingo	28 min
May 24, 4:40 PM CDT	Severe Thunderstorm Warning	MEG	Quitman, Tallahatchie	35 min
May 24, 4:48 PM CDT	Flash Flood Warning	MEG	Benton, Coahoma, DeSoto, Lafayette, Marshall, Panola and 5 more	84 min
May 24, 12:05 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Lee, St. Francis	40 min
May 24, 12:36 PM CDT	Flash Flood Warning	MEG	Crittenden, Cross, St. Francis	4 hr
May 24, 12:57 PM CDT	Severe Thunderstorm Warning	MEG	Cross, St. Francis	48 min
May 24, 1:41 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	49 min
May 24, 1:57 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Poinsett	48 min
May 24, 2:18 PM CDT	Severe Thunderstorm Warning	MEG	Poinsett	42 min
May 24, 2:23 PM CDT	Flash Flood Warning	MEG	Clay, Craighead, Greene, Lawrence	3 hr
May 24, 3:08 PM CDT	Flash Flood Warning	MEG	Clay, Lawrence, Randolph	3 hr

Nearby

Flash Flood Warnings in Tennessee, 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.