Alert archive / Mississippi / Special Weather Statements in 2016

Special Weather Statement, NWS Jackson, MS

July 6, 2016Jefferson Davis County, Mississippi

NWS Jackson, MS issued this special weather statement at Jul 6, 2016, 3:05 PM CDT for Jefferson Davis 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 6, 2016, 3:05 PM CDT (20:05 UTC)
Expired: Jul 6, 2016, 3:45 PM CDT
In force: 40 min
Issued by: NWS Jackson, MS

County Jefferson Davis County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 94 km from the middle of the area, began a volume at 20:05 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, 8.1 hours before the alert went out and 101 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: 1862 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 771 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 77 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 Jackson, MS wrote its last area forecast discussion before this special weather statement went out at Jul 6, 11:05 AM CDT, 4 hours earlier.

Area forecast discussion, Jul 6, 11:05 AM CDT, 4 hours before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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Hazardous weather outlook, Jul 6, 2:35 PM CDT, 30 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
235 PM CDT WED JUL 6 2016

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025-027-034>036-
040>043-047>049-053>055-059>062-071945-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-
SUNFLOWER-LEFLORE-CARROLL-WASHINGTON-HUMPHREYS-HOLMES-ISSAQUENA-
SHARKEY-YAZOO-MADISON MS-WARREN-HINDS-RANKIN-CLAIBORNE-COPIAH-
SIMPSON-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-
235 PM CDT WED JUL 6 2016

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

.DAY ONE...TONIGHT AND THURSDAY

EXCESSIVE HEAT
THREAT...ELEVATED
TIMING...THURSDAY

DANGEROUSLY HOT AND HUMID CONDITIONS WILL EXIST THURSDAY WITH PEAK
HEAT INDICES TOPPING OUT BETWEEN 106 AND 110 DEGREES. A HEAT ADVISORY
IS IN EFFECT.

(WWW.SRH.NOAA.GOV/GRAPHICAST.PHP?SITE=JAN&GC=3)

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY

DANGEROUSLY HOT AND HUMID CONDITIONS WILL PERSIST DURING THE MIDDAY
AND AFTERNOON HOURS FOR LOCATIONS ALONG AND WEST OF THE INTERSTATE
FIFTY-FIVE CORRIDOR ON FRIDAY AND SATURDAY. EXPECT PEAK HEAT INDEX
VALUES RANGING FROM 102 TO 105 DEGREES.

(WWW.SRH.NOAA.GOV/GRAPHICAST.PHP?SITE=JAN&GC=3)

.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 TUESDAY.

MSZ026-028>033-037>039-044>046-050>052-056>058-063>066-072>074-
071945-
GRENADA-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-ATTALA-
WINSTON-NOXUBEE-LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-
SMITH-JASPER-CLARKE-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-
MARION-LAMAR-FORREST-
235 PM CDT WED JUL 6 2016

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

.DAY ONE...TONIGHT AND THURSDAY

EXCESSIVE HEAT
THREAT...LIMITED
TIMING...THURSDAY

HOT AND HUMID CONDITIONS WILL EXIST THURSDAY WITH PEAK HEAT INDICES
TOPPING OUT BETWEEN 102 AND 105 DEGREES IN THE MIDDAY TO AFTERNOON
HOURS.

(WWW.SRH.NOAA.GOV/GRAPHICAST.PHP?SITE=JAN&GC=3)

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY

HOT AND HUMID CONDITIONS WILL PERSIST DURING THE MIDDAY AND
AFTERNOON HOURS FOR LOCATIONS EAST OF THE INTERSTATE FIFTY-FIVE
CORRIDOR ON FRIDAY AND SATURDAY. EXPECT PEAK HEAT INDEX
VALUES RANGING FROM 102 TO 105 DEGREES.

(WWW.SRH.NOAA.GOV/GRAPHICAST.PHP?SITE=JAN&GC=3)

.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 TUESDAY.

21

&&

...HAZARD LEGEND...

*EXCESSIVE HEAT*
EXTREME...MAXIMUM HEAT INDEX GREATER THAN 110 DEGREES FOR 3 OR
 MORE DAYS IN A ROW AND/OR AIR TEMPERATURES GREATER THAN 107
 DEGREES.
SIGNIFICANT...MAXIMUM HEAT INDEX GREATER THAN 110 DEGREES
 AND/OR AIR TEMPERATURES GREATER THAN 105 DEGREES.
ELEVATED...MAXIMUM HEAT INDEX 105 TO 110 DEGREES AND/OR AIR
 TEMPERATURES GREATER THAN 103 DEGREES.
LIMITED...MAXIMUM HEAT INDEX NEAR 105 DEGREES AND/OR AIR
 TEMPERATURES 100 TO 103 DEGREES.

...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
NWS JAN TROPICAL PAGE...
   WWW.SRH.NOAA.GOV/JAN/?N=TROPICAL
NATIONAL HURRICANE CENTER HOME PAGE...
   WWW.NHC.NOAA.GOV/
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, Jul 6, 1:14 PM CDT, 1 hour 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
114 PM CDT WED JUL 6 2016

MSZ048-054-061845-
HINDS MS-COPIAH MS-
114 PM CDT WED JUL 6 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL COPIAH AND SOUTH
CENTRAL HINDS COUNTIES UNTIL 145 PM CDT...

AT 114 PM CDT...METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM
NEAR TERRY...OR NEAR CRYSTAL SPRINGS...MOVING NORTHEAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  TERRY AROUND 125 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WINDS CAN BRING DOWN TREES AND LARGE LIMBS RESULTING IN SERIOUS
INJURY OR PROPERTY DAMAGE. EXERCISE EXTREME CAUTION WHEN OUTDOORS
DURING SUCH STRONG WINDS...AND BE ESPECIALLY AWARE OF OLDER TREES.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3210 9043 3217 9025 3216 9024 3215 9025
      3215 9024 3212 9024 3211 9025 3210 9024
      3209 9025 3209 9024 3207 9023 3204 9023
      3203 9025 3202 9024 3200 9039
TIME...MOT...LOC 1814Z 246DEG 21KT 3208 9035

19

Special weather statement, Jul 6, 2:35 PM CDT, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
235 PM CDT WED JUL 6 2016

MSZ061-062000-
FRANKLIN MS-
235 PM CDT WED JUL 6 2016

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN FRANKLIN COUNTY
UNTIL 300 PM CDT...

AT 235 PM CDT...METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM
NEAR BUDE...OR 14 MILES NORTH OF LIBERTY...MOVING NORTHEAST AT 15
MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  BUDE AROUND 255 PM CDT.
  LITTLE SPRINGS AROUND 300 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WINDS CAN BRING DOWN TREES AND LARGE LIMBS RESULTING IN SERIOUS
INJURY OR PROPERTY DAMAGE. EXERCISE EXTREME CAUTION WHEN OUTDOORS
DURING SUCH STRONG WINDS...AND BE ESPECIALLY AWARE OF OLDER TREES.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3149 9083 3140 9071 3135 9079 3135 9096
TIME...MOT...LOC 1935Z 218DEG 14KT 3136 9086

19

Special weather statement, Jul 6, 3:05 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
305 PM CDT WED JUL 6 2016

MSZ064-072-073-062045-
MARION MS-LAMAR MS-JEFFERSON DAVIS MS-
305 PM CDT WED JUL 6 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN LAMAR...
NORTHEASTERN MARION AND SOUTHEASTERN JEFFERSON DAVIS COUNTIES UNTIL
345 PM CDT...

AT 304 PM CDT...METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM
OVER BUNKER HILL...OR 11 MILES NORTH OF COLUMBIA...MOVING NORTHEAST
AT 15 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  MELBA AROUND 335 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE BASSFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WINDS CAN BRING DOWN TREES AND LARGE LIMBS RESULTING IN SERIOUS
INJURY OR PROPERTY DAMAGE. EXERCISE EXTREME CAUTION WHEN OUTDOORS
DURING SUCH STRONG WINDS...AND BE ESPECIALLY AWARE OF OLDER TREES.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3142 8986 3157 8968 3156 8964 3155 8962
      3154 8961 3154 8960 3151 8960 3151 8959
      3141 8958 3135 8965 3133 8979
TIME...MOT...LOC 2004Z 235DEG 13KT 3142 8978

19

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 7:21 PM CDT	Special Weather Statement	JAN	Montgomery	39 min
Jul 5, 7:30 PM CDT	Special Weather Statement	JAN	Webster	30 min
Jul 5, 7:52 PM CDT	Special Weather Statement	JAN	Clay	53 min
Jul 6, 1:14 PM CDT	Special Weather Statement	JAN	Hinds	31 min
Jul 6, 2:35 PM CDT	Special Weather Statement	JAN	Franklin	25 min
Jul 6, 3:20 PM CDT	Special Weather Statement	JAN	Lincoln	40 min
Jul 6, 3:31 PM CDT	Special Weather Statement	JAN	Jones	29 min
Jul 6, 3:35 PM CDT	Special Weather Statement	JAN	Forrest	25 min
Jul 6, 3:41 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	47 min
Jul 6, 4:19 PM CDT	Special Weather Statement	JAN	Jefferson Davis	41 min
Jul 6, 4:35 PM CDT	Special Weather Statement	JAN	Jones	25 min
Jul 6, 4:43 PM CDT	Severe Thunderstorm Warning	JAN	Jones	32 min
Jul 6, 4:45 PM CDT	Special Weather Statement	JAN	Forrest	45 min
Jul 6, 5:04 PM CDT	Special Weather Statement	JAN	Neshoba	41 min
Jul 6, 5:14 PM CDT	Special Weather Statement	JAN	Newton	46 min
Jul 6, 5:25 PM CDT	Special Weather Statement	JAN	Newton	65 min
Jul 6, 5:39 PM CDT	Severe Thunderstorm Warning	JAN	Newton	52 min
Jul 6, 5:42 PM CDT	Special Weather Statement	JAN	Jasper	48 min
Jul 6, 5:44 PM CDT	Special Weather Statement	JAN	Kemper	46 min
Jul 6, 5:50 PM CDT	Severe Thunderstorm Warning	JAN	Jasper	34 min
Jul 6, 5:52 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale	61 min
Jul 6, 6:07 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	68 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.