Alert archive / Mississippi / Heat Advisories in 2017

Heat Advisory 8, NWS Memphis, TN

August 20, 2017Shelby County, Tennessee; 8 counties in Mississippi; 7 counties in Arkansas

NWS Memphis, TN issued this heat advisory at Aug 20, 2017, 3:21 AM CDT for Shelby County, Tennessee; 8 counties in Mississippi; 7 counties in Arkansas. It took effect at Aug 20, 2017, 11:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Aug 20, 2017, 3:21 AM CDT (08:21 UTC)
In effect from
Aug 20, 2017, 11:00 AM CDT
Expired
Aug 20, 2017, 6:26 PM CDT
In force
7 hr
Issued by
NWS Memphis, TN

Counties Craighead County, AR, Crittenden County, AR, Cross County, AR, Lee County, AR, Phillips County, AR, Poinsett County, AR, St. Francis County, AR, Coahoma County, MS, DeSoto County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Yalobusha County, MS, Shelby County, TN

The radar

The Memphis radar (KNQA), 77 km from the middle of the area, began a volume at 08:22 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.

What forecasters said that day

The local office's own words before this heat 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 heat advisory went out at Aug 19, 11:23 PM CDT, 3 hours 58 minutes earlier.

Area forecast discussion, Aug 19, 11:23 PM CDT, 3 hours 58 minutes before
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The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 20, 11:54 AM CDTSpecial Weather StatementMEGGreene36 min
Aug 20, 1:04 PM CDTSpecial Weather StatementMEGMississippi26 min
Aug 20, 1:46 PM CDTAreal Flood AdvisoryMEGPhillips59 min
Aug 20, 1:59 PM CDTAreal Flood AdvisoryMEGCraighead, Lawrence61 min
Aug 20, 2:02 PM CDTSpecial Weather StatementMEGClay28 min
Aug 20, 6:07 PM CDTSpecial Weather StatementMEGLee23 min
Aug 20, 6:15 PM CDTFlash Flood WarningMEGLee, St. Francis2 hr

Nearby

Heat Advisories in Mississippi, 2017Heat Advisories in Arkansas, 2017Heat Advisories in Tennessee, 2017Every heat advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.