Alert archive / Arkansas / Wind Advisories in 2010

Wind Advisory 6, NWS Memphis, TN

April 7, 201011 counties in Tennessee; 10 counties in Mississippi; 12 counties in Arkansas

NWS Memphis, TN issued this wind advisory at Apr 7, 2010, 10:30 AM CDT for 11 counties in Tennessee; 10 counties in Mississippi; 12 counties in Arkansas. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Apr 7, 2010, 10:30 AM CDT (15:30 UTC)
Expired: Apr 7, 2010, 6:38 PM CDT
In force: 8 hr
Issued by: NWS Memphis, TN

All 33 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, Coahoma County, MS, DeSoto 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, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Haywood County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 14 km from the middle of the area, began a volume at 15:32 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, 3.5 hours before the alert went out and 53 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: 129 J/kg
Mixed-layer CIN: -276 J/kg
Mixed-layer LCL: 635 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 217 m²/s²
0-3 km storm-relative helicity: 227 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 Apr 7, 9:15 AM CDT, 1 hour 15 minutes earlier.

Area forecast discussion, Apr 7, 9:15 AM CDT, 1 hour 15 minutes before

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Hazardous weather outlook, Apr 7, 3:08 AM CDT, 7 hours 22 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
Apr 7, 6:25 PM CDT	Flash Flood Warning	MEG	Dyer, Lake, Lauderdale, Tipton	3 hr
Apr 7, 6:43 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Dyer, Gibson, Lake, Obion, Weakley	47 min
Apr 7, 6:57 PM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	48 min
Apr 7, 2:41 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Greene, Lawrence	49 min
Apr 7, 3:19 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Craighead, Greene, Lawrence	41 min
Apr 7, 4:01 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene	44 min
Apr 7, 4:15 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Greene, Lawrence	45 min
Apr 7, 4:23 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene	37 min
Apr 7, 4:39 PM CDT	Flash Flood Warning	MEG	Clay, Greene	2 hr
Apr 7, 5:05 PM CDT	Flash Flood Warning	MEG	Clay, Craighead, Greene, Poinsett	3 hr
Apr 7, 5:14 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Cross, Mississippi, Poinsett	46 min
Apr 7, 5:23 PM CDT	Flash Flood Warning	MEG	Craighead, Crittenden, Cross, Mississippi, Poinsett	3 hr
Apr 7, 6:12 PM CDT	Severe Thunderstorm Warning	MEG	Lee, Phillips, St. Francis	48 min

Nearby

Wind Advisories in Arkansas, 2010 Wind Advisories in Tennessee, 2010 Wind Advisories in Mississippi, 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.