Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 196, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Jul 11, 1997, 2:25 PM CDT for Hancock County, Harrison County, Mississippi. It was in force for 65 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
- Jul 11, 1997, 2:25 PM CDT (19:25 UTC)
- Expired
- Jul 11, 1997, 3:30 PM CDT
- In force
- 65 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Hancock County, MS, Harrison County, MS
The radar
The Mobile radar (KMOB), 104 km from the middle of the area, began a volume at 19:23 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 nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.4 hours before the alert went out and 44 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.
- Mixed-layer CAPE
- 2566 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 111926 RRA SVRNEW MSC045-047-112030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 225 PM CDT FRI JUL 11 1997 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM CDT FOR RESIDENTS IN THE FOLLOWING LOCATIONS... IN SOUTH MISSISSIPPI ...SOUTHERN HANCOCK COUNTY...SOUTHERN HARRISON COUNTY AND THE ADJACENT COASTAL WATERS AT 223 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED SEVERE THUNDERSTORMS DEVELOPING ALONG THE MISSISSIPPI COAST. THESE STROMS ARE NEARLY STATIONARY. A FUNNEL CLOUD WAS REPORTED OVER GULFPORT. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. &
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 11, 10:34 AM CDT, 3 hours 51 minutes before
LAZ034>040-046>049-056>070-MSZ068>071-080>082-121600- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 1100 AM CDT FRI JUL 11 1997 MUCH OF LOUISIANA REMAINS UNDER A RIDGE OF HOT AND NEARLY CLOUD FREE AIR TODAY. HOWEVER FROM THE BATON ROUGE AREA EASTWARD SUFFICIENT LOW LEVEL MOISTURE...COMBINED WITH SLIGHTLY UNSTABLE CONDITIONS IN THE UPPER ATMOSPHERE...WILL RESULT IN AFTERNOON THUNDERSTORM ACTIVITY. THUNDERSTORMS WILL BE ISOLATED IN NATURE IN THE BATON ROUGE AREA BUT WILL INCREASE IN COVERAGE GRADUALLY TO A SCATTERED CONDITION ALONG THE EXTREME SE LOUISIANA COAST AND THE MISSISSIPPI GULF COAST. ACTIVITY WILL DECREASE DURING THE EVENING HOURS. THUNDERSTORMS THAT OCCUR ARE NOT EXPECTED TO REACH SEVERE LEVELS. HOWEVER...BECAUSE OF THEIR VERY SLOW SOUTHERLY MOVEMENT...VERY HEAVY RAINFALL COULD OCCUR OVER A SMALL AREA IN A SHORT TIME. SCATTERED THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY RAINFALL AND AGAIN TODAY ACROSS SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI BUT COVERAGE WOULD BE MUCH LESS THAN ON TUESDAY. WARM...HUMID AND UNSTABLE AIR REMAINS IN PLACE ACROSS THE CENTRAL GULF COAST REGION TODAY. A WEAK SEA BREEZE FRONT WILL COMBINE WITH INTENSE HEATING TO TRIGGERED SCATTERED THUNDERSTORMS THROUGH THE AFTERNOON HOURS DIMINISHING NEAR SUNSET. SLOW MOVEMENT OF THE STORMS COULD PRODUCE LOCAL RAINFALL AMOUNTS OF UP TO 2 INCHES IN AN HOUR AND POSSIBLE STREET FLOODING IN URBAN AND POORLY DRAINED AREAS. THE THREAT OF SEVERE THUNDERSTORMS WILL BE AT A MINUMUM THE REMAINDER OF THE AFTERNOON AND EARLY EVENING.
Special weather statement, Jul 11, 10:37 AM CDT, 3 hours 48 minutes before
LAZ034>040-046>049-056>070-MSZ068>071-080>082-121600- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 1100 AM CDT FRI JUL 11 1997 MUCH OF LOUISIANA REMAINS UNDER A RIDGE OF HOT AND NEARLY CLOUD FREE AIR TODAY. HOWEVER FROM THE BATON ROUGE AREA EASTWARD SUFFICIENT LOW LEVEL MOISTURE...COMBINED WITH SLIGHTLY UNSTABLE CONDITIONS IN THE UPPER ATMOSPHERE...WILL RESULT IN AFTERNOON THUNDERSTORM ACTIVITY. THUNDERSTORMS WILL BE ISOLATED IN NATURE IN THE BATON ROUGE AREA BUT WILL INCREASE IN COVERAGE GRADUALLY TO A SCATTERED CONDITION ALONG THE EXTREME SE LOUISIANA COAST AND THE MISSISSIPPI GULF COAST. ACTIVITY WILL DECREASE DURING THE EVENING HOURS. THUNDERSTORMS THAT OC,CUR ARE NOT EXPECTED TO REACH SEVERE LEVELS. HOWEVER...BECAUSE OF THEIR VERY SLOW SOUTHERLY MOVEMENT...VERY HEAVY RAINFALL COULD OCCUR OVER A SMALL AREA IN A SHORT TIME.
Special weather statement, Jul 11, 11:00 AM CDT, 3 hours 25 minutes before
LAZ034>040-046>049-056>070-MSZ068>071-080>082-121600- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 1100 AM CDT FRI JUL 11 1997 MUCH OF LOUISIANA REMAINS UNDER A RIDGE OF HOT AND NEARLY CLOUD FREE AIR TODAY. HOWEVER FROM THE BATON ROUGE AREA EASTWARD SUFFICIENT LOW LEVEL MOISTURE...COMBINED WITH SLIGHTLY UNSTABLE CONDITIONS IN THE UPPER ATMOSPHERE...WILL RESULT IN AFTERNOON THUNDERSTORM ACTIVITY. THUNDERSTORMS WILL BE ISOLATED IN NATURE IN THE BATON ROUGE AREA BUT WILL INCREASE IN COVERAGE GRADUALLY TO A SCATTERED CONDITION ALONG THE EXTREME SE LOUISIANA COAST AND THE MISSISSIPPI GULF COAST. ACTIVITY WILL DECREASE DURING THE EVENING HOURS. THUNDERSTORMS THAT OCCUR ARE NOT EXPECTED TO REACH SEVERE LEVELS. HOWEVER...BECAUSE OF THEIR VERY SLOW SOUTHERLY MOVEMENT...VERY HEAVY RAINFALL COULD OCCUR OVER A SMALL AREA IN A SHORT TIME. SCATTERED THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY RAINFALL AND AGAIN TODAY ACROSS SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI BUT COVERAGE WOULD BE MUCH LESS THAN ON TUESDAY. WARM...HUMID AND UNSTABLE AIR REMAINS IN PLACE ACROSS THE CENTRAL GULF COAST REGION TODAY. A WEAK SEA BREEZE FRONT WILL COMBINE WITH INTENSE HEATING TO TRIGGERED SCATTERED THUNDERSTORMS THROUGH THE AFTERNOON HOURS DIMINISHING NEAR SUNSET. SLOW MOVEMENT OF THE STORMS COULD PRODUCE LOCAL RAINFALL AMOUNTS OF UP TO 2 INCHES IN AN HOUR AND POSSIBLE STREET FLOODING IN URBAN AND POORLY DRAINED AREAS. THE THREAT OF SEVERE THUNDERSTORMS WILL BE AT A MINUMUM THE REMAINDER OF THE AFTERNOON AND EARLY EVENING.
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.