Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 183, NWS New Orleans, LA

June 27, 1997Pearl River County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Jun 27, 1997, 5:14 PM CDT for Pearl River County, Mississippi. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 27, 1997, 5:14 PM CDT (22:14 UTC)
Expired
Jun 27, 1997, 7:15 PM CDT
In force
2 hr
Issued by
NWS New Orleans, LA
Area
Whole counties

County Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.2 hours before the alert went out and 59 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 1997-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2140 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 1997-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -55 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
2140 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
574 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-55 m²/s²
0-3 km storm-relative helicity
-28 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.

912 
WUUS1 KNEW 272217 RRA
SVRNEW
MSC109-280015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
514 PM CDT FRI JUN 27 1997
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTH MISSISSIPPI
 
   ...PEARL RIVER COUNTY
 
AT 515 PM CDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ON
THE WEST HOBOLOCHITTO RIVER JUST NORTHWEST OF POPLARVILLE MOVING SOUTH
AT 15 TO 20 MPH. THAT STORM SHOULD CROSS HIGHWAY 26 DURING THE NEXT HALF
HOUR.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
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 YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DONT 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, Jun 27, 12:00 PM CDT, 5 hours 14 minutes before
LAZ034>040-046>049-056>070-MSZ068>071-080>082-281600-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
1200 PM CDT FRI JUN 27 1997

...SCATTERED SHOWERS AND THUNDERSTORMS EXPECTED OVER
SOUTH MISSISSIPPI AND SOUTHEAST LOUISIANA TODAY...

A DEEP RIDGE OF HIGH PRESSURE REMAINS IN PLACE OVER THE AREA. A WEAK
UPPER LEVEL DISTURBANCE SHOULD MOVE THRU THE NORTHERN TIER OF THE STATE
ON SATURDAY BUT SHOULD HAVE VERY LITTLE EFFECT IN SOUTHEAST LOUISIANA
AND SOUTH MISSISSIPPI.

AFTERNOON HEATING WILL CAUSE MODEST DESTABILIZATION OF THE ATMOSPHERE
AND GENERATE SCATTERED AFTERNOON AND EARLY EVENING THUNDERSTORMS TODAY.
ISOLATED INSTANCES OF STREET FLOODING AS WELL AS BREIF GUSTY WINDS
MAY OCCUR WITH THE HEAVIER THUNDERSTORMS.
Special weather statement, Jun 27, 12:16 PM CDT, 4 hours 58 minutes before
LAZ034>040-046>049-056>070-MSZ068>071-080>082-281600-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
1200 PM CDT FRI JUN 27 1997

...SCATTERED SHOWERS AND THUNDERSTORMS EXPECTED OVER
SOUTH MISSISSIPPI AND SOUTHEAST LOUISIANA TODAY...

A DEEP RIDGE OF HIGH PRESSURE REMAINS IN PLACE OVER THE AREA. A WEAK
UPPER LEVEL DISTURBANCE SHOULD MOVE THRU THE NORTHERN TIER OF THE STATE
ON SATURDAY BUT SHOULD HAVE VERY LITTLE EFFECT IN SOUTHEAST LOUISIANA
AND SOUTH MISSISSIPPI.

AFTERNOON HEATING WILL CAUSE MODEST DESTABILIZATION OF THE ATMOSPHERE
AND GENERATE SCATTERED AFTERNOON AND EARLY EVENING THUNDERSTORMS TODAY.
ISOLATED INSTANCES OF STREET FLOODING AS WELL AS BREIF GUS~TY WINDS
MAY OCCUR WITH THE HEAVIER THUNDERSTORMS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 6:16 PM CDTTornado WarningLIXHancock29 min
Jun 27, 6:39 PM CDTSevere Thunderstorm WarningLIXHancock51 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1997Every severe thunderstorm warning in 1997

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.