Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 13, NWS New Orleans, LA

January 24, 1997Harrison County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Jan 24, 1997, 6:08 AM CST for Harrison County, Mississippi. It was in force for 67 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
Jan 24, 1997, 6:08 AM CST (12:08 UTC)
Expired
Jan 24, 1997, 7:15 AM CST
In force
67 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Harrison County, MS

The radar

The Mobile radar (KMOB), 86 km from the middle of the area, began a volume at 12:11 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 watch it was issued in

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

IssuedProductOfficeLasted
Jan 24, 4:00 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 0.1 hours before the alert went out and 232 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, Jackson, MS at 12:00Z on 1997-01-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 543 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1997-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 330 square meters per square second.1939587897Sfc1 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
543 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
578 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
330 m²/s²
0-3 km storm-relative helicity
342 m²/s²
Significant tornado parameter
1.2
Supercell composite
4.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 241208 RRA
SVRNEW
MSC047-241315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
608 AM CST FRI JAN 24 1997
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 AM CST
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTH MISSISSIPPI
 
   ...HARRISON COUNTY
 
AT 607 AM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
LOCATED ON THE HANCOCK-HARRISON COUNTY LINE NORTH OF I10 MOVING TOWARD
THE NORTHEAST AT 35 MPH.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNINBG.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Jan 24, 4:00 AM CST, 2 hours 8 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-231900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
400 AM CST FRI JAN 24 1997

...THE DENSE FOG ADVISORY FOR SOUTHEAST LOUISIANA..AND SOUTHWEST
   AND COASTAL MISSISSIPPI IS CANCELLED...

THE DENSE FOG ADVISORY FOR SOUTHEAST LOUISIANA..SOUTHWEST AND COASTAL
MISSISSIPPI IS CANCELLED. INCREASING SOUTH WINDS AND DEVELOPING SHOWERS
AND THUNDERSTORMS ARE INHIBITING FURTHER DENSE FOG FORMATION ACROSS THE
AREA.
Special weather statement, Jan 24, 4:13 AM CST, 1 hour 55 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-231900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
400 AM CST FRI JAN 24 1997

...THE DENSE FOG ADVISORY FOR SOUTHEAST LOUISIANA..AND SOUTHWEST
   AND COASTAL MISSISSIPPI IS CANCELLED...

THE DENSE FOG ADVISORY FOR SOUTHEAST LOUISIANA..SOUTHWEST AND COASTAL
MISSISSIPPI IS CANCELLED. INCREASING SOUTH WINDS AND DEVELOPING SHOWERS
AND THUNDERSTORMS ARE INHIBITING FURTHER DENSE FOG FORMATION ACROSS THE
AREA.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 24, 4:22 AM CSTSevere Thunderstorm WarningLIXPearl River68 min
Jan 24, 4:35 AM CSTSevere Thunderstorm WarningLIXPearl River55 min
Jan 24, 6:49 AM CSTSevere Thunderstorm WarningLIXJackson56 min
Jan 24, 1:15 PM CSTSevere Thunderstorm WarningLIXHancock45 min
Jan 24, 4:24 PM CSTSevere Thunderstorm WarningLIXJackson51 min
Jan 24, 4:52 PM CSTSevere Thunderstorm WarningLIXHarrison53 min
Jan 24, 5:20 PM CSTSevere Thunderstorm WarningLIXJackson40 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; radar from the NEXRAD Level II archive.