Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 102, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Apr 22, 1997, 7:36 PM CDT for Jackson County, Mississippi. It was in force for 39 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
- Apr 22, 1997, 7:36 PM CDT (00:36 UTC)
- Expired
- Apr 22, 1997, 8:15 PM CDT
- In force
- 39 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 00:36 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 |
|---|---|---|---|
| Apr 22, 1:30 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 0.6 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
- 2665 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 797 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 7.5
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, Apr 22, 6:27 PM CDT, 1 hour 9 minutes before
LAZ034>040-046>050-056>068-MSZ068>071-230130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 625 PM CDT TUE APRIL 22 1997 ...SEVERE THUNDERSTORM WATCH NUMBER 182 CANCELLED FOR PART OF SOUTHEAST LOUISIANA AND SOUTHWEST MISSISSIPPI... THE FOLLOWING PARISHES IN SOUTHEAST LOUISIANA ARE NO LONGER INCLUDED IN SEVERE THUNDERSTORM WATCH NUMBER 182... WEST FELICIANA...EAST FELICIANA...ST. HELENA...POINTEE COUPEE...WEST BATON ROUGE...EAST BATON ROUGE...AND IBERVILLE. SEVERE THUNDERSTORM WATCH NUMBER 182 HAS ALSO BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN SOUTHWEST MISSISSIPPI... WILKINSON...AMITE...AND PIKE. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM FOR THE FOLLOWING PARISHES... ASCENSION...LIVINGSTON...TANGIPAHOA...WASHINGTON...ST. TAMMANY... ASSUMPTION..ST. JAMES...ST. JOHN/BAPTIST...LAFOURCHE...ST. CHARLES... JEFFERSON...ORLEANS...PLAQUEMINES...ST. BERNARD...AND TERREBONNE.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 7:44 PM CDT | Severe Thunderstorm Warning | LIX | Pearl River | 31 min |
| Apr 22, 9:31 PM CDT | Severe Thunderstorm Warning | LIX | Jackson | 44 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.