Alert archive / Tennessee / Wind Chill Advisories in 2015

Wind Chill Advisory 5, NWS Memphis, TN

March 5, 20157 counties in Mississippi; 21 counties in Tennessee; 12 counties in Arkansas

NWS Memphis, TN issued this wind chill advisory at Mar 5, 2015, 2:06 AM CST for 7 counties in Mississippi; 21 counties in Tennessee; 12 counties in Arkansas. It took effect at Mar 6, 2015, 12:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 5, 2015, 2:06 AM CST (08:06 UTC)
In effect from
Mar 6, 2015, 12:00 AM CST
Expired
Mar 6, 2015, 8:00 AM CST
In force
8 hr
Issued by
NWS Memphis, TN
All 40 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, DeSoto County, MS, Marshall County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Benton County, TN, 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), 35 km from the middle of the area, began a volume at 08:08 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 00:00Z, 8.1 hours before the alert went out and 274 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2015-03-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2015-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
4 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
432 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
245 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 chill 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 chill advisory went out at Mar 4, 11:40 PM CST, 2 hours 26 minutes earlier.

Area forecast discussion, Mar 4, 11:40 PM CST, 2 hours 26 minutes before
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Hazardous weather outlook, Mar 4, 4:07 PM CST, 9 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
407 PM CST WED MAR 4 2015

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-060015-
ALCORN-BENTON MS-BENTON TN-CALHOUN-CARROLL-CHESTER-CHICKASAW-CLAY-
COAHOMA-CRAIGHEAD-CRITTENDEN-CROCKETT-CROSS-DESOTO-DECATUR-
DUNKLIN-DYER-FAYETTE-GIBSON-GREENE-HARDEMAN-HARDIN-HAYWOOD-
HENDERSON-HENRY-ITAWAMBA-LAFAYETTE-LAKE-LAUDERDALE-LAWRENCE-
LEE AR-LEE MS-MADISON-MARSHALL-MCNAIRY-MISSISSIPPI-MONROE-OBION-
PANOLA-PEMISCOT-PHILLIPS-POINSETT-PONTOTOC-PRENTISS-QUITMAN-
RANDOLPH-SHELBY-ST. FRANCIS-TALLAHATCHIE-TATE-TIPPAH-TIPTON-
TISHOMINGO-TUNICA-UNION-WEAKLEY-YALOBUSHA-
407 PM CST WED MAR 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS...
THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE.

.DAY ONE...TONIGHT

A WINTER STORM WARNING IS IN EFFECT FOR THE ENTIRE MID SOUTH
THROUGH TONIGHT. SIGNIFICANT AMOUNTS OF ICE...SLEET AND SNOW ARE
EXPECTED.

A WIND ADVISORY IS IN EFFECT THROUGH TONIGHT ACROSS THE ENTIRE
MID SOUTH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A WINTER STORM WARNING IS IN EFFECT FOR MUCH OF THE MID SOUTH
UNTIL EARLY THURSDAY AFTERNOON. HAZAROUS TRAVEL WILL CONTINUE
ACROSS PORTIONS OF THE AREA THROUGH THE END OF THIS WEEK.

A WINDCHILL ADVISORY MAY BE NEEDED ACROSS A LARGE PORTION OF THE
MIDSOUTH THURSDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS...EMERGENCY MANAGERS...AND LAW ENFORCEMENT ARE
ENCOURAGED TO RELAY ANY REPORTS OF WINTRY PRECIPITATION
TODAY...TONIGHT AND TOMORROW TO THE NATIONAL WEATHER SERVICE
THROUGH SOCIAL MEDIA...THE LOCAL STORM REPORT INTERFACE ON OUR
WEBSITE...OR BY TELEPHONE.

JLH

In the hours before

Local storm report, Mar 5, 1:00 AM CST, 1 hour 6 minutes before
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Local storm report, Mar 5, 1:03 AM CST, 1 hour 3 minutes before
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Local storm report, Mar 5, 1:09 AM CST, 57 minutes before
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Local storm report, Mar 5, 1:14 AM CST, 52 minutes before
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Local storm report, Mar 5, 1:33 AM CST, 33 minutes before
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Local storm report, Mar 5, 1:42 AM CST, 24 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 10:02 AM CSTRiver Flood WarningMEGLowndes, Monroe12 days

Nearby

Wind Chill Advisories in Tennessee, 2015Wind Chill Advisories in Arkansas, 2015Wind Chill Advisories in Mississippi, 2015Every wind chill advisory in 2015

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.