Alert archive / Mississippi / Wind Advisories in 2010

Wind Advisory 11, NWS Memphis, TN

October 25, 201020 counties in Tennessee; 22 counties in Mississippi; 12 counties in Arkansas

NWS Memphis, TN issued this wind advisory at Oct 25, 2010, 4:16 PM CDT for 20 counties in Tennessee; 22 counties in Mississippi; 12 counties in Arkansas. It took effect at Oct 26, 2010, 1:00 AM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Oct 25, 2010, 4:16 PM CDT (21:16 UTC)
In effect from: Oct 26, 2010, 1:00 AM CDT
Expired: Oct 26, 2010, 2:45 PM CDT
In force: 14 hr
Issued by: NWS Memphis, TN

All 54 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Coahoma County, MS, DeSoto County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Yalobusha County, MS, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 41 km from the middle of the area, began a volume at 21:21 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

Nashville Metro, TN (KBNA), launched 12:00Z, 9.3 hours before the alert went out and 283 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: 81 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 470 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 101 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 wind advisory 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 wind advisory went out at Oct 25, 3:56 PM CDT, 20 minutes earlier.

Area forecast discussion, Oct 25, 3:56 PM CDT, 20 minutes before

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Hazardous weather outlook, Oct 25, 3:40 AM CDT, 12 hours 36 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 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, 7:38 PM CDT	Flash Flood Warning	MEG	Coahoma, Panola, Quitman, Tallahatchie	3 hr
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

Wind Advisories in Mississippi, 2010 Wind Advisories in Tennessee, 2010 Wind Advisories in Arkansas, 2010 Every wind advisory 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.