Alert archive / Louisiana / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 9, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Jan 27, 1994, 6:57 PM CST for Saint Tammany Parish, Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jan 27, 1994, 6:57 PM CST (00:57 UTC)
- Expired
- Jan 27, 1994, 8:00 PM CST
- In force
- 63 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Saint Tammany Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 1.0 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.
- Mixed-layer CAPE
- 1069 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 518 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 437 m²/s²
- Significant tornado parameter
- 2.9
- Supercell composite
- 12.2
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, Jan 27, 3:30 PM CST, 3 hours 27 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-272235- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 330 PM CST THU JAN 27 1994 ...A TORNADO WATCH IS IN EFFECT FOR SOUTHEAST LOUISIANA UNTIL 8 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR THAT PART OF SOUTHEAST LOUISIANA NORTH OF A LINE FROM LAFAYETTE TO BOGALUSA... SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN CONTINUED FROM 10 MILES WWEST OF MARKSVILLE LOUISIANA TO 30 MILES NORTH OF MCCOMB MISSISSIPPI AND SOUTHEAST TO 35 MILES SOUTH OF HATTIESBURG. THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING... HEAVY RAIN AND POSSIBLY SOME SMALL HAIL. OTHERWISE WIDESPREAD RAIN WITH A FEW EMBEDDED SHOWERS AND THUNDERSTORMS CONTINUED OVER MUCH OF SOUTHEASTERN LOUISIANA AND SOUTHERN MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE BETWEEN BOGUE CHITTO MISSISSIPPI AND GREENSBURG LOUISIANA OR FROM 10 MILES NORTHWEST OF MCCOMB MISSISSIPPI TO 25 SOUTHWEST OF IT. MOVEMENT OF THE THUNDERSTORMS WAS TO THE NORTHEAST AT 40 MILES AN HOUR.
Special weather statement, Jan 27, 3:30 PM CST, 3 hours 27 minutes before
LAZ046-047-048-049-54-272300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
330 PM CST THU JAN 27 1994
...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF EAST CENTRAL LOUISIANA
THIS AFTERNOON AND TONIGHT...
...A TORNADO WATCH IS ALSO IN EFFECT FOR ALL OF EAST CENTRAL LOUISINA
UNTIL 8 PM TONIGHT...
RADAR SHOWED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS EXTENDING FROM
LAKE CHARLES TO MORGAN CITY NORTHEAST ACROSS ALEXANDRIA...BATON ROUGE...
AND KENTWOOD INTO MISSISSIPPI TO NEAR JACKSON AND HATTISBURG. THE AREA
WAS MOVING SLOWLY EAST.
SEVERE WEATHER IS BEING REPORTED ACROSS SOUTHWEST LOUISIANA FROM NEAR
DE RIDDER TO THE COAST NEAR CAMERON.
REMEMBER...A TORNADO WATCH MEANS THAT COANDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
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}^WSUS Special weather statement, Jan 27, 4:30 PM CST, 2 hours 27 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-272335- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 430 PM CST THU JAN 27 1994 ...A TORNADO WATCH IS IN EFFECT FOR SOUTHEAST LOUISIANA UNTIL 8 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHEAST LOUISIANA TONIGHT... SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN CONTINUED OVER SOUTHEAST LOUISIANA NORTH OF A LAFAYETTE TO SLIDELL LINE. WIDELY SCATTERED SHOWERS WERE SOUTH OF LAKE PONTCHARTRAIN ALONG THE COAST. THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING... HEAVY RAIN AND POSSIBLY SOME SMALL HAIL. OTHERWISE WIDESPREAD RAIN WITH A FEW EMBEDDED SHOWERS AND THUNDERSTORMS CONTINUED OVER ALL OF SOUTHERN MISSISSIPPI SOUTH OF JACKSON. THE COAST OF MISSISSIPPI HADE ONLY A FEW SHOWERS. MOVEMENT WAS RAPIDLY NORTHEAST.
Special weather statement, Jan 27, 5:00 PM CST, 1 hour 57 minutes before
LAZ046-047-048-049-54-280030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 500 PM CST THU JAN 27 1994 ...A FLASH FLOOD WARNING IS IN EFFECT FOR AVOYELLES PARISH OF EAST CENTRAL LOUISIANA UNTIL 10 PM TONIGHT... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF EAST CENTRAL LOUISIANA THIS AFTERNOON AND TONIGHT... ...A TORNADO WATCH IS ALSO IN EFFECT FOR ALL OF EAST CENTRAL LOUISINA UNTIL 8 PM TONIGHT... RADAR SHOWED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS EXTENDING FROM THE COAST SOUTH OF LAKE CHARLES AND LAFAYETTE NORTHEAST ACROSS OPELOUSAS ...BATON ROUGE...AND AMITE INTO MISSISSIPPI NEAR VICKSBURG...JACKSON AND HATTISBURG. THE AREA WAS MOVING SOUTHEAST 10 TO 15 MPH. SEVERE WEATHER HAS BEEN REPORTED WITH THIS SYSTEM ACROSS THE SOUTHWEST PART OF LOUISIANA INTO CENTRAL LOUISIANA. REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jan 27, 5:01 PM CST, 1 hour 56 minutes before
LAZ046-047-048-049-54-280030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 500 PM CST THU JAN 27 1994 ...A FLASH FLOOD WARNING IS IN EFFECT FOR AVOYELLES PARISH OF EAST CENTRAL LOU
Special weather statement, Jan 27, 5:30 PM CST, 1 hour 27 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-280035- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 530 PM CST THU JAN 27 1994 ...A TORNADO WATCH IS IN EFFECT FOR SOUTHEAST LOUISIANA UNTIL 8 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHEAST LOUISIANA TONIGHT... BANDS OF THUNDERSWTORMS WITH VERY HEAVY RAIN WERE JUST WEST OF BATON ROUGE LOUISIANA...NORTHEAST TO NEAR BROOKHAVEN MISSISSIPPI. ANOTHER BAND OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS BETWEEN NEW IBERIA LOUISIANA AND KENTWOOD LOUISIANA. STRONG GUSTY WINDS...FREQUENT LIGHTNING... HEAVY RAIN AND POSSIBLY SOME SMALL HAIL WILL ACCOMPANY THESE THUNDERSTORMS AS THEY MOVE NORTHEAST ABOUT 40 MILES AN HOUR. RESIDENTS SHOULD ALSO BE ALERT FOR STREET AND ROAD FLOODING SINCE THE RAIN HAS BEEN FALLING FOR SO MANY HOURS IN SOME AREAS. A LARGE AREA OF RAIN AND THUNDERSTORMS CONTINUED OVER SOUTHEAST LOUISIANA... AND SOUTHERN MISSISSIPPI EXCEPT THE EXTREME COASTAL AREAS.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 27, 6:01 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 59 min |
| Jan 27, 7:53 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 67 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1994Every severe thunderstorm warning in 1994
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.