Alert archive / Mississippi / Special Weather Statements in 2013

Special Weather Statement, NWS Jackson, MS

August 9, 2013Covington County, Jefferson Davis County, Mississippi

NWS Jackson, MS issued this special weather statement at Aug 9, 2013, 2:48 PM CDT for Covington County, Jefferson Davis County, Mississippi. It was in force for 32 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: Aug 9, 2013, 2:48 PM CDT (19:48 UTC)
Expired: Aug 9, 2013, 3:20 PM CDT
In force: 32 min
Issued by: NWS Jackson, MS

Counties Covington County, MS, Jefferson Davis County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 86 km from the middle of the area, began a volume at 19:51 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

Jackson, MS (KJAN), launched 12:00Z, 7.8 hours before the alert went out and 93 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: 2103 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 837 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jackson, MS wrote its last area forecast discussion before this special weather statement went out at Aug 9, 9:55 AM CDT, 4 hours 53 minutes earlier.

Area forecast discussion, Aug 9, 9:55 AM CDT, 4 hours 53 minutes before

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Hazardous weather outlook, Aug 9, 2:39 PM CDT, 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
239 PM CDT FRI AUG 9 2013

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>027-034>036-
040>043-047>049-053-054-059>062-101945-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-
SUNFLOWER-LEFLORE-GRENADA-CARROLL-WASHINGTON-HUMPHREYS-HOLMES-
ISSAQUENA-SHARKEY-YAZOO-MADISON MS-WARREN-HINDS-RANKIN-CLAIBORNE-
COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-
239 PM CDT FRI AUG 9 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEAST
ARKANSAS...NORTHEAST LOUISIANA...AND WEST CENTRAL MISSISSIPPI.

.DAY ONE...TONIGHT AND SATURDAY

A HEAT ADVISORY REMAINS IN EFFECT THROUGH SATURDAY. THE COMBINATION
OF HEAT AND HUMIDITY WILL CAUSE HEAT INDEX VALUES TO REACH THE 105 TO
110 DEGREE RANGE BETWEEN MIDDAY AND AFTERNOON EACH DAY.

A FEW STRONG THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON INTO THE EARLY
EVENING AND SATURDAY AFTERNOON...ESPECIALLY FOR LOCATIONS EAST OF
THE MISSISSIPPI RIVER. THE MOST INTENSE STORMS COULD CONTAIN WIND
GUSTS OF 40 TO 50 MPH. FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND
TORRENTIAL DOWNPOURS CAN ALSO BE ANTICIPATED WITH THE SLOW MOVING
STORMS. THUNDERSTORMS WILL DIMINISH DURING THE EARLY EVENING HOURS.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS NOT EXPECTED THROUGH NEXT THURSDAY.

MSZ028>033-037>039-044>046-050>052-055>058-063>066-072>074-101945-
MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-ATTALA-WINSTON-
NOXUBEE-LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-SIMPSON-
SMITH-JASPER-CLARKE-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-
MARION-LAMAR-FORREST-
239 PM CDT FRI AUG 9 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST MISSISSIPPI.

.DAY ONE...TONIGHT AND SATURDAY

STRONG THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EARLY EVENING.
THE MOST INTENSE STORMS COULD CONTAIN WIND GUSTS OF 40 TO 50 MPH AS
WELL AS SOME SMALL HAIL. FREQUENT CLOUD TO GROUND LIGHTNING STRIKES
AND HEAVY DOWNPOURS CAN BE ANTICIPATED WITH STRONG STORMS.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...IS NOT EXPECTED THROUGH NEXT THURSDAY.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN.

22

In the hours before

Special weather statement, Aug 9, 12:01 PM CDT, 2 hours 47 minutes before

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Special weather statement, Aug 9, 2:31 PM CDT, 17 minutes before

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Special weather statement, Aug 9, 2:48 PM CDT, 0 minutes before

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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 8, 7:13 PM CDT	Special Weather Statement	JAN	Choctaw	32 min
Aug 8, 7:25 PM CDT	Flash Flood Warning	JAN	Choctaw	95 min
Aug 8, 7:57 PM CDT	Special Weather Statement	JAN	Lowndes	28 min
Aug 9, 12:01 PM CDT	Special Weather Statement	JAN	Webster	59 min
Aug 9, 2:31 PM CDT	Special Weather Statement	JAN	Covington	29 min
Aug 9, 4:20 PM CDT	Special Weather Statement	JAN	Yazoo	30 min
Aug 9, 4:24 PM CDT	Special Weather Statement	JAN	Yazoo	31 min
Aug 9, 4:34 PM CDT	Special Weather Statement	JAN	Madison	31 min
Aug 9, 4:42 PM CDT	Special Weather Statement	JAN	Adams	28 min
Aug 9, 5:04 PM CDT	Special Weather Statement	JAN	Hinds	31 min
Aug 9, 5:11 PM CDT	Special Weather Statement	JAN	Madison	29 min
Aug 9, 5:36 PM CDT	Special Weather Statement	JAN	Rankin	29 min
Aug 9, 5:44 PM CDT	Special Weather Statement	JAN	Hinds	31 min
Aug 9, 5:52 PM CDT	Flash Flood Warning	JAN	Hinds, Madison, Rankin	113 min
Aug 9, 6:12 PM CDT	Special Weather Statement	JAN	Hinds	28 min
Aug 9, 6:16 PM CDT	Special Weather Statement	JAN	Hinds	29 min
Aug 9, 6:28 PM CDT	Flash Flood Warning	JAN	Scott	2 hr
Aug 9, 6:45 PM CDT	Flash Flood Warning	JAN	Neshoba	90 min
Aug 9, 4:31 PM CDT	Special Weather Statement	JAN	Richland	29 min
Aug 9, 5:09 PM CDT	Special Weather Statement	JAN	Concordia	31 min

Nearby

Special Weather Statements in Mississippi, 2013 Every special weather statement in 2013

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.