Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 296, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Nov 1, 1997, 3:23 PM CST for Jackson County, Mississippi. It was in force for 52 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
- Nov 1, 1997, 3:23 PM CST (21:23 UTC)
- Expired
- Nov 1, 1997, 4:15 PM CST
- In force
- 52 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Jackson County, MS
The radar
The Mobile radar (KMOB), 44 km from the middle of the area, began a volume at 21:22 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 1, 1:45 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.4 hours before the alert went out and 106 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
- 2011 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 499 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 6.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Nov 1, 10:57 AM CST, 4 hours 26 minutes before
LAZ049-050-057-058-040-038-039-MSZ077-071-011600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1100 AM CST MON OCT 27 1997 ...ISOLATED SEVERE THUNDERSTORMS POSSIBLE MAINLY FOR SOUTHWEST MISSISSIPPI THIS AFTERNOON... VERY UNSTABLE ATMOSPHERIC CONDITIONS AHEAD OF A STRONG COLD FRONT MOVING THROUGH THE AREA WILL CAUSE SCATTERED THUNDERSTORM ACTIVITY OVER MISSISSIPPI AND PARTS OF SOUTHEAST LOUISIANA NORTH OF LAKE PONTCHARTRAIN. A FEW OF THESE THUNDERSTORMS MAY BECOME SEVERE IN SOUTHWEST MISSISSIPPI INCLUDING THE MCCOMB AREA. IF THUNDERSTORMS BECOME SEVERE..EXPECT STRONG GUSTY WINDS..HAIL AND FREQUENT LIGHTNING. AS THE COLD FRONT PASSES THROUGH THE AREA LATE THIS AFTEBRNOON AND EARLY THIS EVENING..THUNDERSTORM ACTIVITY WILL END AS COOLER AND DRIER AIR PUSHES INTO THE AREA.
Special weather statement, Nov 1, 3:14 PM CST, 9 minutes before
LAZ061-062-064-070-060-057-058-040-038-039-012215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 314 PM CST SAT NOV 1 1997 NATIONAL WEATHER SERVICE DOPPLER RADAR AT 3110 PM CST INDICATED A LINE OF STRONG THUNDERSTORMS FROM ST JOHN THE BAPTIST PARISH EAST TO JUST SOUTHEAST OF SLIDELL. STRONG THUNDERSTORM OVER OAK HARBOR AND EDEN ISLE ABOUT 3 PM PRODUCED SMALL HAIL AND BRIEF HEAVY RAIN. SPECIAL MARINE WARNING REMAINS IN EFFECT FOR LAKES MAUREPAS..PONTCHARTRAIN AND BORGNE UNTIL 345 PM CST. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST LOUISIANA AND SOUTHEAST MISSISSIPPI UNTIL 6 PM CST THIS EVENING.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 1, 1:51 PM CST | Severe Thunderstorm Warning | LIX | Pearl River | 39 min |
| Nov 1, 3:34 PM CST | Severe Thunderstorm Warning | LIX | Jackson | 41 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.