Alert archive / Mississippi / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 161, NWS New Orleans, LA

July 27, 2000Pearl River County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Jul 27, 2000, 3:50 PM CDT for Pearl River County, Mississippi. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jul 27, 2000, 3:50 PM CDT (20:50 UTC)
Expired
Jul 27, 2000, 4:30 PM CDT
In force
40 min
Issued by
NWS New Orleans, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Pearl River County, MS

What was reported inside it

TimeReportWhereRemark
Jul 27, 4:00 PM CDTThunderstorm WindCountywide, MSA few trees were blown down across northern sections of the county.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.8 hours before the alert went out and 54 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-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2000-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 961 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2000-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
961 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1187 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
14 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.

000 
WUUS54 KLIX 272052
SVRNEW
MSC109-272130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
350 PM CDT THU JUL 27 2000

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI

* UNTIL 430 PM CDT

* AT 346 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LARGE SEVERE THUNDERSTORM...6 MILES NORTHWEST OF MCNEIL...OR
  ABOUT 10 MILES EAST OF BOGALUSA. THE STORM WAS NEARLY STATIONARY.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  INTERSTATE 59 BETWEEN MCNEIL AND POPLARVILLE...AND 5 TO 10 MILES
  EAST OF BOGALUSA THROUGH 430 PM CDT.

THIS IS A DANGEROUS STORM WHICH WILL LIKELY PRODUCE DAMAGING WIND 
GUSTS...LARGE HAIL AND VERY HEAVY RAIN. STAY INDOORS AWAY FROM
WINDOWS AND DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY3. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN NEW ORLEANS.

LAT...LON 3062 8970 3074 8942 3094 8972 3074 8978

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 New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 27, 3:05 PM CDT, 45 minutes earlier.

Area forecast discussion, Jul 27, 3:05 PM CDT, 45 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
300 PM CDT THU 27 JUL 2000

WK SHEAR AXIS NE-SW ALOFT OVER SE LA/S MS WILL MOVE LITTLE NEXT 24
TO 36 HRS BUT WEAKENS BY SAT AS ANOTHER S/W TROF MOVES SWD IN THE
NLY FLOW ACROSS THE MS VALLEY. LATEST SOUNDER DATA SUGGEST PW'S
HIGHER THAN LATEST MODEL RUNS INDICATED. FAIRLY GOOD COVERAGE OF
SHOWERS AND TSTMS IN S MS THIS AFTN IN AREA OF HIGHEST THETA-E
VALUES. LONGER RANGE PROGS CONTINUE THE STRONG AMPLITUDE OF RIDGE IN
THE WRN STATES AND TROFING IN THE MS VALLEY-ERN STATES. MINOR S/W
TROFS SHOULD CONTINUE TO MOVE OVER THE TOP OF THE RIDGE AND THEN
TURN SWD INTO THE MS VALLEY/GULF COAST REGION. TEMPS ALOFT REMAIN
COOLER THAN NORMAL WITH LOWER THAN NORMAL WET-BULB ZEROS. LITTLE
MOVEMENT IN INDIVIDUAL CELLS SUGGEST LOCALLY HVY RAINS OF 2 TO 3
INCHES IN A SHORT PERIOD OF TIME.

IN THE EXTENDED PACKAGE...LITTLE CHANGE INDICATED IN THE WIDELY
SCATTERED TO SCATTERED CONVECTION MOSTLY AFTNS/EVENINGS.

MCB 67/95/68/93 1212    BTR 71/93/72/93 0212
MSY 73/92/73/93 1213    GPT 71/89/72/90 1212

.NEW...NONE.
LA...NONE.
MS...NONE.
05

In the hours before

Special weather statement, Jul 27, 10:50 AM CDT, 5 hours before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-271700-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1050 AM CDT THU JUL 27 2000

INCREASING GULF MOISTURE AND RELATIVELY COOL TEMPERATURES ALOFT
ALONG WITH INTENSE SURFACE HEATING WILL HELP TO TRIGGER WIDELY
SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON. WEAK SEA BREEZE
AND LAKE BREEZE ALSO WILL LIKELY AID THE DEVELOPMENT OF THE
THUNDERSTORMS.

SIGNIFICANT SEkVERE WEATHER DEVELOPMENT IS NOT LIKELY THIS AFTERNOON.

FOR MORE WEATHER INFORMATION VISIT OUR WEB-SITE AT
WWW.SRH.NOAA.GOV/LIX (ALL LOWER CASE).

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 1:55 PM CDTSevere Thunderstorm WarningLIXWilkinson50 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2000Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.