Alert archive / Mississippi / Special Weather Statements in 2014
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Jun 20, 2014, 4:28 PM CDT for Simpson 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
- Jun 20, 2014, 4:28 PM CDT (21:28 UTC)
- Expired
- Jun 20, 2014, 5:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Jackson, MS
County Simpson County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 39 km from the middle of the area, began a volume at 21:30 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.5 hours before the alert went out and 189 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.
- Mixed-layer CAPE
- 1332 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Jun 20, 1:59 PM CDT, 2 hours 29 minutes earlier.
Area forecast discussion, Jun 20, 1:59 PM CDT, 2 hours 29 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSON MS 159 PM CDT FRI JUN 20 2014 .SHORT TERM...CONVECTIVE DEVELOPMENT THIS AFTERNOON HAS MAINLY BEEN OVER THE SOUTHWESTERN PART OF THE FORECAST AREA WHICH IS JUST WEST OF THE MID LEVEL RIDGE CENTER. EXPECT ACTIVITY TO DISSIPATE QUICKLY THIS EVENING SO WILL CARRY A REST OF TODAY PERIOD TO COVER THIS AND THEN LEAVE TONIGHT DRY. THE RIDGE CENTER WILL PULL BACK TO THE SOUTHWEST TONIGHT THROUGH SATURDAY. THIS SUGGESTS THAT THE HIGHER CHANCE OF STORMS IN OUR FORECAST AREA WILL SHIFT TO THE NORTHEASTERN PART OF THE AREA AND BECOME MORE NORTHWEST FLOW ORIENTED. DESPITE THIS TRAJECTORY...ORGANIZATION OF STORMS DOES NOT APPEAR LIKELY. ALTHOUGH WE CAN NOT RULE OUT AN ISOLATED SEVERE STORM ON SATURDAY...WILL REMOVE MENTION OF ANY WIDESPREAD ACTIVITY IN THE HAZARDOUS WEATHER OUTLOOK. MID LEVEL HEIGHTS WILL CONTINUE TO LOWER ON SUNDAY WHICH SHOULD ALLOW MORE WIDESPREAD STORM ACTIVITY TO DEVELOP CONSIDERING THE HOT AND HUMID LOW LEVEL CONDITIONS. WEAK SHORT WAVES IN THE FLOW MAY BE A CONTRIBUTING FACTOR AS WELL. STORMS WILL LAST A LITTLE LONGER INTO THE EVENING BOTH SATURDAY AND SUNDAY SO WILL CARRY SOME POPS INTO THE NIGHT PERIODS. /SW/ .LONG TERM...THE GENERAL THEME FOR THE LONG TERM WILL BE FOR A MORE CONVECTIVELY ACTIVE PATTERN AND WETTER REGIME. THE DRIVING FORCE OF THIS SHIFT IS BASED ON THE MID/UPPER RIDGE BREAKING DOWN AND BEING REPLACED BY SOME GENERAL TROUGHING OR OUR REGION BEING ON THE FRINGE OF SOME WEAKNESS. THIS WILL ALSO SUPPORT THE PRESENCE OF A WEAK SFC BOUNDARY TO BE IN THE NEIGHBORHOOD DURING MUCH OF THE EXTENDED PERIOD. BOTH THE GFS/EURO ARE IN BETTER AGREEMENT THAN PREV RUNS IN SHOWING THE WEAKNESS ALOFT IN/AROUND THE CWA WITH DECENT CONVECTIVE CHANCES JUST ABOUT EACH DAY. MOISTURE DOESN'T LOOK TO BE EXCESSIVE...BUT PWS LOOK TO RANGE GENERALLY IN THE 1.75 TO 2.0 IN AREA. OVERALL THIS WILL SUPPORT HIGHER THAN NORMAL PRECIP CHANCES. GFS GUID REPRESENTED THIS NICELY AND MUCH OF THE RAIN CHANCES IN THE LONG TERM WILL RANGE FROM 30-40% AT THIS TIME...WITH THE CHANCE THEY WILL GO HIGHER AS THOSE PERIODS GET CLOSER. AS FOR TEMPS...READINGS LOOK TO BE ON THE WARM SIDE INITIALLY...THEN TREND TO MORE CLIMO TYPE READINGS. LOOK FOR LOWER 90S EARLY ON WITH MORE UPPER 80S/NEAR 90 TYPE READINGS EXPECTED BY MID/LATE WEEK AS THE WETTER REGIME BEGINS TO HAVE AN IMPACT. CONCERNING STRONG/SVR STORM POTENTIAL...THERE DOES LOOK TO BE THIS POTENTIAL FOR SEVERAL OF THE DAYS BETWEEN MON-THU. MUCH OF THIS WILL BE DRIVEN BY STEEPER THAN NORMAL LAPSE RATES THANKS TO COOLER READINGS IN THE MID LEVELS. VERTICAL TOTALS FOR SOME OF THE DAYS LOOKS TO RANGE BETWEEN 27-28C WHICH WILL LIKELY SUPPORT SBCAPE >3000 J/KG WHEN SFC TEMPS EXCEED 92 DEGREES. MICROBURST PRODUCING STORMS WILL BE THE MAIN CONCERNS...BUT SOME HAIL SEEMS POSSIBLE DUE THE COOLER TEMPS ALOFT. AT THIS POINT...THIS RISK REMAINS SEVERAL DAYS OUT. WILL NOT MENTION ANYTHING IN THE HWO/GRAPHICS TO COVER THIS YET...BUT LOOK FOR SOME OF THIS TO BE OUTLOOKED AS WE GET CLOSER TO NEXT WEEK AND CONFIDENCE GROWS ON SPECIFICS. /CME/ && .AVIATION...SCATTERED CONVECTION MOST NUMEROUS AT PRESENT OVER EAST LOUISIANA AND SOUTH MISSISSIPPI. MAIN IMPACT FROM THIS ACTIVITY WILL BE VCTS AT KHBG/KJAN/KHKS. CONVECTIVE POTENTIAL REMAINS LIMITED ELSEWHERE. CONVECTION WILL END BY 02Z WITH VFR CONDITIONS THROUGH 10Z. MVFR FLIGHT CATEGORIES CAN BE EXPECTED WITH VISIBILITIES BEING THE MAIN RESTRICTION BETWEEN 10 AND 14Z MAINLY AT AREAS THAT SEE RAINFALL. VFR CONDITIONS WILL RETURN AT ALL TAF POINTS AFTER 14Z./26/ && .PRELIMINARY POINT TEMPS/POPS... JACKSON 72 94 71 93 / 17 26 20 46 MERIDIAN 68 94 70 92 / 17 30 19 47 VICKSBURG 70 93 69 92 / 17 21 20 40 HATTIESBURG 71 94 73 93 / 25 25 23 49 NATCHEZ 70 93 70 91 / 21 20 15 38 GREENVILLE 72 95 71 93 / 16 26 20 43 GREENWOOD 71 93 70 92 / 16 30 20 43 && .JAN WATCHES/WARNINGS/ADVISORIES... MS...NONE. LA...NONE. AR...NONE. &&
Hazardous weather outlook, Jun 20, 1:56 PM CDT, 2 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 156 PM CDT FRI JUN 20 2014 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 211900- ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR- SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES- CHOCTAW-OKTIBBEHA-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON- NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS-LEAKE-NESHOBA-KEMPER- WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-COPIAH- SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN- LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST- 156 PM CDT FRI JUN 20 2014 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 SATURDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .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. 26 && ...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 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/US.NATIONALWEATHERSERVICE.JACKSONMS.GOV FOLLOW NWS JAN ON TWITTER... @NWSJACKSONMS PLEASE CONVERT ALL WEB ADDRESSES TO LOWER CASE BEFORE ENTERING!
In the hours before
Special weather statement, Jun 20, 4:28 PM CDT, 0 minutes before
MSZ049-055-202200- SIMPSON MS-RANKIN MS- 428 PM CDT FRI JUN 20 2014 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 428 PM CDT FRI JUN 20 2014 A STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA TO DIME SIZE HAIL AND 40 TO 50 MPH WINDS WAS LOCATED 4 MILES WEST OF MENDENHALL AT 428 PM CDT...MOVING WEST AT 5 MPH. DANGEROUS CLOUD TO GROUND LIGHTNING IS ALSO POSSIBLE WITH THIS STORM. PEOPLE IN SOUTH CENTRAL RANKIN AND WESTERN SIMPSON COUNTIES SHOULD MONITOR THIS STORM CLOSELY. LAT...LON 3182 9005 3203 9014 3208 8987 3191 8981 TIME...MOT...LOC 2128Z 072DEG 3KT 3197 8994 JA
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 5:08 PM CDT | Special Weather Statement | JAN | Hinds | 62 min |
| Jun 20, 5:24 PM CDT | Special Weather Statement | JAN | Rankin | 61 min |
| Jun 20, 5:33 PM CDT | Special Weather Statement | JAN | Lamar | 32 min |
| Jun 20, 6:12 PM CDT | Severe Thunderstorm Warning | JAN | Lamar | 48 min |
| Jun 20, 6:20 PM CDT | Special Weather Statement | JAN | Lamar | 30 min |
| Jun 20, 6:54 PM CDT | Special Weather Statement | JAN | Jones | 31 min |
Nearby
Special Weather Statements in Mississippi, 2014Every special weather statement in 2014
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.