Alert archive / Mississippi / Special Weather Statements in 2015

Special Weather Statement, NWS Jackson, MS

May 16, 2015Jefferson Davis County, Mississippi

NWS Jackson, MS issued this special weather statement at May 16, 2015, 3:00 PM CDT for Jefferson Davis County, Mississippi. It was in force for 30 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: May 16, 2015, 3:00 PM CDT (20:00 UTC)
Expired: May 16, 2015, 3:30 PM CDT
In force: 30 min
Issued by: NWS Jackson, MS

County Jefferson Davis County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.0 hours before the alert went out and 88 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: 347 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 715 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 166 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 May 16, 10:18 AM CDT, 4 hours 42 minutes earlier.

Area forecast discussion, May 16, 10:18 AM CDT, 4 hours 42 minutes before

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Hazardous weather outlook, May 16, 2:04 PM CDT, 56 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
204 PM CDT SAT MAY 16 2015

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
171915-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON-FRANKLIN-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-SUNFLOWER-
LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-
OKTIBBEHA-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON-NOXUBEE-
ISSAQUENA-SHARKEY-YAZOO-LEAKE-NESHOBA-KEMPER-WARREN-HINDS-RANKIN-
SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-
CLARKE-JEFFERSON-ADAMS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-
JONES-MARION-LAMAR-FORREST-
204 PM CDT SAT MAY 16 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
ARKANSAS...NORTHEAST LOUISIANA...CENTRAL MISSISSIPPI...NORTH
CENTRAL MISSISSIPPI...AND SOUTH CENTRAL MISSISSIPPI.

.DAY ONE...TONIGHT AND SUNDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY

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 FRIDAY.

21

&&

...HAZARD LEGEND...

NO SHORT TERM HAZARDS EXPECTED.

...USEFUL WEATHER WEB PAGES (URLS)...

NWS JAN HOME PAGE...
   WWW.WEATHER.GOV/JAN
STAY AWARE, STAY SAFE NWS JAN BRIEFING PAGE...
   WWW.SRH.NOAA.GOV/JAN/?N=SAFE
FIND NWS JAN ON FACEBOOK...
   WWW.FACEBOOK.COM/NWSJACKSONMS
FOLLOW NWS JAN ON TWITTER...
   @NWSJACKSONMS

   PLEASE CONVERT ALL WEB ADDRESSES TO LOWER CASE BEFORE ENTERING!

In the hours before

Special weather statement, May 16, 1:46 PM CDT, 1 hour 14 minutes before

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Special weather statement, May 16, 1:50 PM CDT, 1 hour 10 minutes before

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Special weather statement, May 16, 2:13 PM CDT, 47 minutes before

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Special weather statement, May 16, 2:28 PM CDT, 32 minutes before

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Special weather statement, May 16, 3:00 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
May 16, 1:46 PM CDT	Special Weather Statement	JAN	Lincoln	29 min
May 16, 1:50 PM CDT	Special Weather Statement	JAN	Simpson	25 min
May 16, 2:13 PM CDT	Special Weather Statement	JAN	Bolivar	32 min
May 16, 2:28 PM CDT	Special Weather Statement	JAN	Rankin	32 min
May 16, 3:11 PM CDT	Special Weather Statement	JAN	Hinds, Rankin	34 min
May 16, 3:25 PM CDT	Special Weather Statement	JAN	Leake	35 min
May 16, 3:36 PM CDT	Special Weather Statement	JAN	Marion	24 min
May 16, 3:48 PM CDT	Special Weather Statement	JAN	Leake	27 min
May 16, 3:59 PM CDT	Special Weather Statement	JAN	Madison	46 min
May 16, 4:05 PM CDT	Special Weather Statement	JAN	Jefferson	25 min
May 16, 4:13 PM CDT	Special Weather Statement	JAN	Sunflower	32 min
May 16, 4:22 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower	38 min
May 16, 4:38 PM CDT	Special Weather Statement	JAN	Claiborne	37 min
May 16, 4:45 PM CDT	Special Weather Statement	JAN	Sharkey	30 min
May 16, 5:00 PM CDT	Special Weather Statement	JAN	Sharkey	30 min
May 16, 5:04 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Washington	41 min
May 16, 5:28 PM CDT	Special Weather Statement	JAN	Adams	32 min
May 16, 6:09 PM CDT	Special Weather Statement	JAN	Sunflower, Washington	21 min
May 16, 6:13 PM CDT	Special Weather Statement	JAN	Clay	32 min
May 16, 5:12 PM CDT	Special Weather Statement	JAN	Catahoula	33 min
May 16, 5:32 PM CDT	Special Weather Statement	JAN	Franklin	28 min
May 16, 5:59 PM CDT	Special Weather Statement	JAN	Franklin, Tensas	31 min
May 16, 6:53 PM CDT	Special Weather Statement	JAN	Catahoula	37 min

Nearby

Special Weather Statements in Mississippi, 2015 Every special weather statement 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.