Alert archive / Tennessee / Special Weather Statements in 2016

Special Weather Statement, NWS Memphis, TN

July 20, 2016Henry County, Tennessee

NWS Memphis, TN issued this special weather statement at Jul 20, 2016, 3:42 PM CDT for Henry County, Tennessee. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 20, 2016, 3:42 PM CDT (20:42 UTC)
Expired: Jul 20, 2016, 4:30 PM CDT
In force: 48 min
Issued by: NWS Memphis, TN

County Henry County, TN

The radar

The Paducah radar (KPAH), 99 km from the middle of the area, began a volume at 20:44 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, 8.7 hours before the alert went out and 149 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: 1028 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 1061 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: -14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 20, 3:11 PM CDT, 31 minutes earlier.

Area forecast discussion, Jul 20, 3:11 PM CDT, 31 minutes before

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Hazardous weather outlook, Jul 20, 2:33 PM CDT, 1 hour 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
233 PM CDT WED JUL 20 2016

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-211200-
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-
233 PM CDT WED JUL 20 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A HEAT ADVISORY REMAINS IN EFFECT FOR MUCH OF THE MID-SOUTH.
OVERNIGHT TEMPERATURES WILL NOT PROVIDE MUCH RELIEF FROM THE HOT
WEATHER CONDITIONS.

THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS THE
MID-SOUTH THIS AFTERNOON THROUGH EARLY EVENING. THE MAIN SEVERE
WEATHER THREAT WILL BE ISOLATED DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

DANGEROUS HEAT AND HUMIDITY WILL CONTINUE ACROSS THE MID-SOUTH
THROUGH AT LEAST FRIDAY. HEAT INDEX VALUES ABOVE 105 DEGREES ARE
LIKELY. HEAT ADVISORIES WILL LIKELY BE EXPANDED AND EXTENDED FOR
MUCH OR ALL OF THE MID SOUTH. AN EXCESSIVE HEAT WARNING MAY BE
NEEDED ACROSS PORTIONS OF THIS AREA BY FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

SWC

In the hours before

Local storm report, Jul 20, 2:37 PM CDT, 1 hour 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
237 PM CDT WED JUL 20 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0225 PM     TSTM WND GST     5 SSE MIDTOWN MEMPHIS   35.07N 89.95W
07/20/2016  M66 MPH          SHELBY             TN   ASOS

&&

AJC

Special weather statement, Jul 20, 2:51 PM CDT, 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
251 PM CDT WED JUL 20 2016

MSZ023-024-202030-
CHICKASAW MS-MONROE MS-
251 PM CDT WED JUL 20 2016

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 330 PM CDT FOR...

NORTHEASTERN CHICKASAW COUNTY IN NORTHEASTERN MISSISSIPPI...
NORTHWESTERN MONROE COUNTY IN NORTHEASTERN MISSISSIPPI...

AT 250 PM CDT...A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR
LARGER AND WINDS AT LEAST 40 MPH WAS LOCATED OVER NEW WREN...OR 7
MILES SOUTHEAST OF OKOLONA. THIS STORM WAS MOVING SOUTHWEST AT 15
MPH.

PEOPLE IN NORTHEASTERN CHICKASAW AND NORTHWESTERN MONROE COUNTIES
SHOULD MONITOR THIS STORM CLOSELY.

LAT...LON 3381 8872 3381 8874 3407 8883 3408 8877
      3407 8872 3408 8872 3409 8864 3409 8855
      3393 8842 3379 8872
TIME...MOT...LOC 1950Z 064DEG 15KT 3396 8863

JOHNSON

Special weather statement, Jul 20, 2:53 PM CDT, 49 minutes before

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Local storm report, Jul 20, 3:36 PM CDT, 6 minutes before

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Local storm report, Jul 20, 3:39 PM CDT, 3 minutes before

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Special weather statement, Jul 20, 3:42 PM CDT, 0 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
Jul 20, 2:27 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	48 min
Jul 20, 3:11 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	28 min
Jul 20, 5:42 PM CDT	Special Weather Statement	MEG	Hardeman	33 min
Jul 20, 2:04 PM CDT	Special Weather Statement	MEG	Monroe	26 min
Jul 20, 2:18 PM CDT	Special Weather Statement	MEG	DeSoto	27 min
Jul 20, 2:51 PM CDT	Special Weather Statement	MEG	Monroe	39 min
Jul 20, 2:53 PM CDT	Special Weather Statement	MEG	Monroe	52 min
Jul 20, 5:09 PM CDT	Special Weather Statement	MEG	Benton	36 min
Jul 20, 5:18 PM CDT	Special Weather Statement	MEG	Panola	27 min
Jul 20, 5:38 PM CDT	Special Weather Statement	MEG	Lafayette	37 min
Jul 20, 1:17 PM CDT	Special Weather Statement	MEG	Dunklin, Pemiscot	43 min

Nearby

Special Weather Statements in Tennessee, 2016 Every special weather statement in 2016

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.