Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 271, NWS Jackson, MS

April 3, 2000Catahoula Parish, Concordia Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Apr 3, 2000, 5:43 AM CDT for Catahoula Parish, Concordia Parish, Louisiana. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 3, 2000, 5:43 AM CDT (10:43 UTC)
Expired: Apr 3, 2000, 6:30 AM CDT
In force: 47 min
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Catahoula Parish, LA, Concordia Parish, LA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 3, 4:45 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 10.7 hours before the alert went out and 178 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: 2143 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 777 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 167 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KJAN 031043
SVRJAN
LAC025-029-031130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
543 AM CDT MON APR 3 2000

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CONCORDIA PARISH IN NORTHEAST LOUISIANA
  CATAHOULA PARISH IN NORTHEAST LOUISIANA

* UNTIL 630 AM CDT

* AT 543 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 23 MILES SOUTHWEST OF JONESVILLE...MOVING    
  NORTHEAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR WEST FERRIDAY AT 610 AM CDT
  NEAR FERRIDAY...VIDALIA AT 615 AM CDT

HAIL...DAMAGING WINDS AND TORRENTIAL RAIN ARE EX)PECTED WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER WHILE THE STORM PASSES.

74

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 3, 3:20 AM CDT, 2 hours 23 minutes earlier.

Area forecast discussion, Apr 3, 3:20 AM CDT, 2 hours 23 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
320 AM CDT MON APR 3 2000

ALL MODELS IN AGREEMENT THAT COLD CORE OVER NORTHERN MEXICO WILL
CONTINUE TO LIFT OUT IN RESPONSE TO LONGWAVE TROF DIGGING OVER THE
PLAINS. IN THE MEANTIME...STRONG AND DEEP ISENTROPIC LIFT WILL
CONTINUE TODAY WHILE THE CWFA REMAINS IN THE RIGHT ENTRANCE REGION
OF H25 JET. WITH VERY STRONG AND DEEP UPWARD VERTICAL MOTION IN
PLACE...APPROACHING COLD FRONT...AND ABUNDANT TROPICAL MOISTURE...
WILL REISSUE FFA. AREA WILL BE SIMILAR TO PRIOR FFA...BUT WILL
INCLUDE REMAINDER OF THE CWFA AS HEAVY RAIN POTENTIAL WILL SWING
THROUGH SE ZONES THIS AFTERNOON.

LOW LEVEL ISENTROPIC LIFT BEHIND THE FRONT...MAINLY FROM STRONG
CAA...TONIGHT SHOULD BE SUFFICIENT TO MAINTAIN CHANCE OF RAIN GIVEN
MOISTURE STILL IN PLACE. PRECIP SHOULD CONTINUE INTO AT LEAST THIS
EVENING...MAINLY IN THE EAST. WILL MAINTAIN SOME CHANCE POPS TONIGHT.

STRONG SUBSIDENCE DURING THE DAY TUE WILL RESULT IN CLEARING
SKIES...BUT CONSIDERABLY COOLER TEMPS...MAINLY IN THE 50S. POTENTIAL
FOR FREEZE WILL EXIST TUE NIGHT WITH SURFACE RIDGE MOVING OVER THE
CWFA.

QPF DISCUSSION: AGREE WITH NCEP AND THE AVN/NGM MODELS IN THAT HEAVY
RAINFALL THREAT WILL CONTINUE TODAY WITH STRONG LIFT AND TROPICAL
MOISTURE. ETA QPF WAS TOO LOW. WILL PAINT 6 HOURLY AMOUNTS BETWEEN
ONE AND TWO INCHES OVER THE ENTIRE CWFA.

JAN 67/43/54/32 +300
MEI 69/47/55/31 +500

.JAN...
MS...FLASH FLOOD WATCH TODAY MSZ018-019-025>066-072>074.
AR...FLASH FLOOD WATCH TODAY ARZ074-075.
LA...FLASH FLOOD WATCH TODAY LAZ007>009-015-016-023>026.
26

In the hours before

Local storm report, Apr 3, 12:23 AM CDT, 5 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1223 AM CDT MON APR 03 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0415 PM    REDWOOD                   MS   .75 INCH HAIL
04/02/00   WARREN                         REPORTED BY HAM RADIO
                                          SPOTTER

0500 PM    DELHI                     LA   WIND DAMAGE
04/02/00   RICHLAND                       2 TREES DOWN...BARN BLOWN
                                          AWAY PER FRANKLIN S.O.

0520 PM    YAZOO CITY                MS   1.75 INCH HAIL
04/02/00   YAZOO                          REPORT BY S.O. AT BEND
                                          ROAD

0614 PM    5 E UTICA                 MS   1 INCH HAIL
04/02/00   HINDS                          ALSO TREES AND POWER POLES
                                          DOWN BY EOC

0630 PM    5 N PHILADELPHIA          MS   TORNADO
04/02/00   NESHOBA                        EOC REPORTED FUNNEL CLOUD
                                          FOLLOWED BY CONFIRMED
                                          TORNADO WITH TREES DOWN
                                          BETWEEN HWYS 15 AND 19 AT
                                          1835CDT

0657 PM    MAGEE                     MS   1 INCH HAIL
04/02/00   SIMPSON                        AT PINE GROVE ROAD PER
                                          PUBLIC

0700 PM    PRESTON                   MS   WIND DAMAGE
04/02/00   KEMPER                         S.O. REPORTED TREES DOWN
                                          IN NORTHERN KEMPER COUNTY.

0700 PM    JACKSON                   MS   WIND DAMAGE
04/02/00   HINDS                          POWER LINES DOWN/FEW LARGE
                                          LIMBS BY P.D.

0700 PM    CAMDEN                    MS   WIND DAMAGE
04/02/00   MADISON                        TREES DOWN WITH SHEDS
                                          DESTROYED...ROOFING ON 2
                                          BARNS DAMAGED... 2 MOBILE
                                          HOMES DAMAGED.

0710 PM    RICHLAND                  MS   WIND DAMAGE
04/02/00   RANKIN                         TREES DOWN AND SOME
                                          BUILDINGS DAMAGED PER EOC

0735 PM    RAYMOND                   MS   FLOODING
04/02/00   HINDS                          SOME ROADS IN SOUTH
                                          RAYMOND IMPASSABLE PER EOC

0800 PM    RICHLAND                  MS   WIND DAMAGE
04/02/00   RANKIN                         EOC REPORTED TREES DOWN 5
                                          MILES SOUTHEAST OF
                                          RICHLAND.

0813 PM    10 W BROOKHAVEN           MS   .88 INCH HAIL
04/02/00   LINCOLN                        ALONG HWY 84 BY HAM RADIO
                                          SPOTTER

0815 PM    PHILADELPHIA              MS   .75 INCH HAIL
04/02/00   NESHOBA                        S.O. REPORTED DIME SIZED
                                          HAIL 5 MILES NORTHEAST OF
                                          PHILADELPHIA.

0820 PM                              MS   WIND DAMAGE
04/02/00   SIMPSON                        SEVERAL TREES DOWN ACROSS
                                          COUNTY PER S.O.

0830 PM    PRESTON                   MS   1.75 INCH HAIL
04/02/00   KEMPER                         S.O. REPORTED GOLFBALL
                                          SIZED HAIL IN PRESTON.

0830 PM    5 W RALEIGH               MS   WIND DAMAGE
04/02/00   SMITH                          TREES DOWN ON HWY 18
                                          PER  S.O.

0855 PM    BRANDON                   MS   FLOODING
04/02/00   RANKIN                         SOME HOMES WITH FLOODING
                                          EASTGATES SUBDIVISION AND
                                          ROADS COVERED WITH WATER.

0900 PM                              MS   WIND DAMAGE
04/02/00   LINCOLN                        TREES DOWN IN SEVERAL
                                          AREAS OF COUNTY PER CD

0915 PM                              MS   WIND DAMAGE
04/02/00   LAWRENCE                       SEVERAL TREES DOWN
                                          ACROSS COUNTY PER S.O

0930 PM                              MS   FLOODING
04/02/00   RANKIN                         SEVERAL ROADS FLOODED PER
                                          S.O.

0945 PM    MT OLIVE                  MS   .75 INCH HAIL
04/02/00   COVINGTON                      REPORTED BY PD

1023 PM    1 W LAUREL                MS   WIND DAMAGE
04/02/00   JONES                          TREES AND POWER LINES
                                          DOWN...ALSO 4 MOBILE HOMES
                                          AND 2 VEHICLES DAMAGED.

Local storm report, Apr 3, 1:15 AM CDT, 4 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
109 AM CDT SUN APR 02 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

1230 AM    LORMAN                    MS   .75 INCH HAIL
04/03/00   JEFFERSON                      REPORTED BY PD

0100 AM    BRANDON                   MS   .88 INCH HAIL
04/03/00   RANKIN                         REPORTED BY FD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 7:01 PM CDT	Severe Thunderstorm Warning	JAN	Concordia	44 min
Apr 3, 1:25 AM CDT	Flash Flood Warning	JAN	Tensas	6 hr
Apr 3, 2:00 AM CDT	Severe Thunderstorm Warning	JAN	Concordia	45 min
Apr 3, 3:11 AM CDT	Severe Thunderstorm Warning	JAN	Franklin, Richland	34 min
Apr 3, 3:46 AM CDT	Severe Thunderstorm Warning	JAN	Madison	29 min
Apr 3, 4:36 AM CDT	Severe Thunderstorm Warning	JAN	Franklin	24 min
Apr 3, 4:55 AM CDT	Flash Flood Warning	JAN	East Carroll, Franklin, Madison, Richland	6 hr
Apr 3, 5:05 AM CDT	Severe Thunderstorm Warning	JAN	Madison	40 min
Apr 3, 11:35 AM CDT	Flash Flood Warning	JAN	Catahoula, East Carroll, Franklin, Madison, Morehouse, Richland and 1 more	3 hr
Apr 3, 11:45 AM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	45 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2000 Every severe thunderstorm warning in 2000

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.