Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 340, NWS New Orleans, LA

July 13, 1995East Feliciana Parish, West Feliciana Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Jul 13, 1995, 5:21 PM CDT for East Feliciana Parish, West Feliciana Parish, Louisiana. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jul 13, 1995, 5:21 PM CDT (22:21 UTC)
Expired
Jul 13, 1995, 6:30 PM CDT
In force
69 min
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties East Feliciana Parish, LA, West Feliciana Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.4 hours before the alert went out and 162 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 1995-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2848 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 1995-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.19395878Sfc1 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
2848 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
754 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
20 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 
TTAA00 KNEW 132222 RRA
SVRNEW
LAC037-125-132330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
521 PM CDT THU JUL 13 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST LOUISIANA
 
   ...EAST FELICIANA PARISH...WEST FELICIANA PARISH
 
AT 515 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM OVER EAST FELICIANA PARISH NEAR CLINTON. THIS STORM WAS
MOVING WEST-NORTHWEST AT 25 MILES PER HOUR. THIS STORM WILL EFFECT THE
COMMUNITIES OF WILSON IN EAST FELICIANA WITHIN THE NEXT 15 MINUTES AND
WAKEFIELD IN WEST FELICIANA PARISH WITHIN THE NEXT 30-45 MINUTES.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOU@R HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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.

In the hours before

Special weather statement, Jul 13, 11:45 AM CDT, 5 hours 36 minutes before
LAZ034>040-046>050-056>070-132100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1145 AM CDT THU JUL 13 1995

...DANGEROUS LEVELS OF HEAT CAN BE EXPECTED ACROSS SOUTHEAST AND SOUTH
CENTRAL LOUISIANA THIS AFTERNOON...

TEMPERATURES IN THE MID 90S THIS AFTERNOON COMBINED WITH HIGH LEVELS OF
HUMIDITY WILL RESULT IN DANGEROUS HEAT INDEX VALUES. HEAT INDICES ARE
EXPECTED TO RANGE BETWEEN 105 AND 110 DEGREES. SCATTERED THUNDERSTORMS
ARE EXPECTED TO DEVELOP BY LATE THIS AFTERNOON WHICH WILL PROVIDE SOME
RELIEF FROM THE OPPRESSIVE CONDITIONS.

PEOPLE WORKING OUTDOORS...THOSE LIVING IN PLACES WITH LITTLE
VENTILLATION...AND THOSE IN POOR HEALTH SHOULD TAKE PRECAUTIONS AS
PROLONGED EXPOSURE TO THESE CONDITIONS MAY LEAD TO HEAT EXHAUSTION
OR POSSIBLY HEAT STROKE.

IF YOU MUST BE OUTDOORS...WEAR LIGHTWEIGHT AND LIGHT COLORED CLOTHING
AND STAY OUT OF THE DIRECT SUNLIGHT AS MUCH AS POSSIBLE. BE SURE TO
DRINK PLENTY OF NONALCOHOLIC LIQUIDS TO PREVENT FROM BECOMING
DEHYDRATED. TAKE FREQUENT BREAKS INSIDE AIR CONDITIONED PLACES IF
POSSIBLE.
Special weather statement, Jul 13, 11:51 AM CDT, 5 hours 30 minutes before
LAZ034>040-046>050-056>070-132100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1145 AM CDT THU JUL 13 1995

...DANGEROUS LEVELS OF HEAT CAN BE EXPECTED ACROSS SOUTHEAST AND SOUTH
CENTRAL LOUISIANA THIS AFTERNOON...

TEMPERATURES IN THE MID 90S THIS AFTERNOON COMBINED WITH HIGH LEVELS OF
HUMIDITY WILL RESULT IN DANGEROUS HEAT INDEX VALUES. HEAT INDICES ARE
EXPECTED TO RANGE BETWEEN 105 AND 110 DEGREES. SCATTERED THUNDERSTORMS
ARE EXPECTED TO DEVELOP BY LATE THIS AFTERNOON WHICH WILL PROVIDE SOME
RELIEF FROM THE OPPRESSIVE CONDITIONS.

PEOPLE WORKING OUTDOORS...THOSE LIVING IN PLACES WITH LITTLE
VENTILLATION...AND THOSE IN POOR HEALTH SHOULD TAKE PRECAUTIONS AS
PROLONGED EXPOSURE TO THESE CONDITIONS MAY LEAD TO HEAT EXHAUSTION
OR POSSIBLY HEAT STROKE.

IF YOU MUST BE OUTDOORS...WEAR LIGHTWEIGHT AND LIGHT COLORED CLOTHING
AND STAY OUT OF THE DIRECT SUNLIGHT AS MUCH AS POSSIBLE. BE SURE TO
DRINK PLENTY OF NONALCOHOLIC LIQUIDS TO PREVENT FROM BECOMING
DEHYDRATED. TAKE FREQUENT BREAKS INSIDE AIR CONDITIONED PLACES IF
POSSIBLE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 7:09 PM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana66 min
Jul 13, 4:09 PM CDTSevere Thunderstorm WarningLIXLivingston, Saint Helena, Tangipahoa66 min
Jul 13, 4:18 PM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana57 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995Every severe thunderstorm warning in 1995

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.