Alert archive / Mississippi / Special Weather Statements in 2016

Special Weather Statement, NWS Memphis, TN

July 9, 2016Calhoun County, Mississippi

NWS Memphis, TN issued this special weather statement at Jul 9, 2016, 2:20 PM CDT for Calhoun County, Mississippi. It was in force for 40 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 9, 2016, 2:20 PM CDT (19:20 UTC)
Expired: Jul 9, 2016, 3:00 PM CDT
In force: 40 min
Issued by: NWS Memphis, TN

County Calhoun County, MS

The radar

The Columbus AFB radar (KGWX), 98 km from the middle of the area, began a volume at 19:21 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

Little Rock, AR (KBYH), launched 12:00Z, 7.3 hours before the alert went out and 122 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: 33 J/kg
Mixed-layer CIN: -296 J/kg
Mixed-layer LCL: 1627 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 20 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 9, 12:44 PM CDT, 1 hour 36 minutes earlier.

Area forecast discussion, Jul 9, 12:44 PM CDT, 1 hour 36 minutes before

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Hazardous weather outlook, Jul 9, 3:21 AM CDT, 10 hours 59 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
321 AM CDT SAT JUL 9 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>092-101030-
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-
321 AM CDT SAT JUL 9 2016

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

.DAY ONE...TODAY AND TONIGHT

STRONG THUNDERSTORMS FEATURING LOCALLY HEAVY RAINFALL...FREQUENT
LIGHTNING AND GUSTY WIND ARE EXPECTED ACROSS THE MIDSOUTH. LOCALLY
HEAVY RAINFALL MAY RESULT IN FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

STRONG THUNDERSTORMS ARE EXPECTED TO CONTINUE SUNDAY...WITH
DIMINISHING COVERAGE MONDAY. STRONG GUSTY WIND IS POSSIBLE. LOCALLY
HEAVY RAINFALL MAY RESULT IN FLASH FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

In the hours before

Special weather statement, Jul 9, 1:35 PM CDT, 45 minutes before

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Special weather statement, Jul 9, 2:20 PM CDT, 0 minutes before

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Special weather statement, Jul 9, 2:20 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 8, 7:09 PM CDT	Special Weather Statement	MEG	Benton, Henry	21 min
Jul 8, 7:31 PM CDT	Special Weather Statement	MEG	Henry	29 min
Jul 9, 3:37 AM CDT	Severe Thunderstorm Warning	MEG	Dyer, Lauderdale	38 min
Jul 9, 6:37 AM CDT	Flash Flood Warning	MEG	Chester, Henderson, Madison	3 hr
Jul 9, 1:35 PM CDT	Special Weather Statement	MEG	Coahoma	40 min
Jul 9, 4:07 PM CDT	Special Weather Statement	MEG	Monroe	38 min
Jul 9, 4:52 PM CDT	Special Weather Statement	MEG	Coahoma	23 min

Nearby

Special Weather Statements in Mississippi, 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.