Alert archive / Louisiana / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 182, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Sep 16, 2005, 5:40 PM CDT for Iberville Parish, Pointe Coupee Parish, West Baton Rouge Parish, Louisiana. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 16, 2005, 5:40 PM CDT (22:40 UTC)
- Expired
- Sep 16, 2005, 6:15 PM CDT
- In force
- 35 min
- Issued by
- NWS New Orleans, LA
- Area
- Counties, with a storm outline in the text
Counties Iberville Parish, LA, Pointe Coupee Parish, LA, West Baton Rouge Parish, LA
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.7 hours before the alert went out and 167 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1532 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLIX 162241 SVRLIX LAC047-077-121-162315- /O.NEW.KLIX.SV.W.0182.050916T2240Z-050916T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW ORLEANS-BATON ROUGE LA ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL 540 PM CDT FRI SEP 16 2005 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... IBERVILLE PARISH IN SOUTHEAST LOUISIANA POINTE COUPEE PARISH IN SOUTHEAST LOUISIANA WEST BATON ROUGE PARISH IN SOUTHEAST LOUISIANA * UNTIL 615 PM CDT * AT 533 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MARINGOUIN...OR ABOUT 21 MILES WEST OF BAKER...AND MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BRUSLY BY 615 PM CDT THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE FOR DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. TAKE COVER IN A STURDY SHELTER UNTIL THE STORM HAS PASSED. LAT...LON 3058 9151 3048 9159 3035 9124 3054 9125 $$
2 follow-up statements
000 WWUS54 KLIX 162300 SVSLIX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS-BATON ROUGE LA ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL 600 PM CDT FRI SEP 16 2005 LAC047-077-121-162315- /O.CON.KLIX.SV.W.0182.000000T0000Z-050916T2315Z/ IBERVILLE LA-POINTE COUPEE LA-WEST BATON ROUGE LA- 600 PM CDT FRI SEP 16 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 615 PM CDT FOR WEST BATON ROUGE...SOUTHEASTERN POINTE COUPEE AND NORTH IBERVILLE PARISHES... AT 600 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ROSEDALE...OR ABOUT 16 MILES SOUTHWEST OF BAKER...MOVING SOUTHEAST AT 20 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... BRUSLY BY 615 PM CDT ALTHOUGH THE STORM HAS WEAKENED...THIS STORM REMAINS STRONG AND DANGEROUS. IF YOU ARE IN ITS PATH...PREPARE FOR STRONG WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING. TAKE COVER IN A STURDY SHELTER UNTIL THE STORM HAS PASSED. LAT...LON 3058 9151 3047 9157 3035 9126 3050 9121 $$
000 WWUS54 KLIX 162315 SVSLIX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS-BATON ROUGE LA ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL 614 PM CDT FRI SEP 16 2005 LAC047-077-121-162321- /O.EXP.KLIX.SV.W.0182.000000T0000Z-050916T2315Z/ IBERVILLE LA-POINTE COUPEE LA-WEST BATON ROUGE LA- 614 PM CDT FRI SEP 16 2005 ...THE SEVERE THUNDERSTORM WARNING FOR WEST BATON ROUGE... SOUTHEASTERN POINTE COUPEE AND NORTH IBERVILLE PARISHES WILL BE ALLOWED TO EXPIRE AT 615 PM CDT... AT 614 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE ONCE SEVERE THUNDERSTORM HAD WEAKENED BELOW SEVERE LIMITS AND THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. ALTHOUGH THE STORM HAS WEAKENED...FREQUENT CLOUD TO GROUND LIGHTNING AND HEAVY RAIN WILL LIKELY PERSIST OVER THE AREA THROUGH 630 PM...AND RESIDENTS SHOULD CONTINUE TO BE CAUTIOUS WHEN VENTURING OUTDOORS. LAT...LON 3058 9151 3047 9157 3035 9126 3050 9121 $$
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.
NWS New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 16, 3:05 PM CDT, 2 hours 35 minutes earlier.
Area forecast discussion, Sep 16, 3:05 PM CDT, 2 hours 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL 305 PM CDT FRI SEP 16 2005 .DISCUSSION... WE HAVE FAVORED THE NAM AND AWIPS ETA12 PLACEMENT OF THE WEAKENING COLD FRONT NEXT 12-24 HOURS...ESSENTIALLY STALLING IT OUT OVER THE INLAND ZONES NORTH OF LAKE PONCHARTRAIN TOMORROW MORNING AS THE SHORTWAVE ENERGY LIFTS OUT TO THE NORTHEAST. WE WILL CONTINUE WITH CHANCE POPS OVER SOUTH CENTRAL MISSISSIPPI AND AREAS NORTH OF LAKE PONCHARTRAIN AND MAUREPAS EARLY THIS EVENING...THEN WE TAPER THE POPS BACK A BIT OVERNIGHT INTO TOMORROW MORNING. WITH THE UPPER ENERGY MORE LACKING TOMORROW...WE EXPECT LOWER COVERAGES OF SHOWERS AND THUNDERSTORMS ALONG AND SOUTH OF THE STALLED/WEAKENING FRONT. WE WILL GO WITH 20 POPS OR LESS MOST AREAS TOMORROW. THERE WILL BE A FEW CHANGES TO THE COASTAL WINDS ACCOUNTING FOR A MORE INLAND POSITIONING OF THE STALLED FRONT TOMORROW INTO SUNDAY. THE NORTHWESTERLY FLOW OVER THE COASTAL WATERS TONIGHT WILL BE MORE A REFLECTION OF THE RIDGE TO THE SOUTH OVER THE CENTRAL GULFMEX VERSUS ANY RESULT OF A FROPA. WE HAVE NOT MADE ANY SIGNIFICANT CHANGES TO THE REMAINDER OF THE FORECAST THROUGH THE EXTENDED PERIODS. UPPER RIDGE TO THE WEST BUILDS BACK TO THE EAST WITH RISING HEIGHTS AND LOWER MEAN LAYERED HUMIDITY VALUES. IN THE EXTENDED...WE WILL CONTINUE TO GO WITH THE BROAD NOTION OF A TROUGH/LOW WORKING FROM EAST TO WEST ACROSS THE CENTRAL/SOUTHERN GULFMEX THROUGH THE MIDDLE OF NEXT WEEK. WE THEREFORE CONTINUE TO ADVERTISE BRINGING THE WINDS UP A BIT OVER THE OFFSHORE COASTAL WATERS NEXT WEEK. RIDGING ALONG THE GULF COASTAL STATES STILL APPEARS LIKELY TO KEEP ANYTHING OF SIGNIFICANCE SOUTH OF OUR AREA. && .PRELIMINARY POINT TEMPS/POPS... MCB 72 90 72 93 / 30 20 10 05 BTR 75 92 74 94 / 30 20 10 05 MSY 76 92 77 93 / 20 20 10 05 GPT 73 90 73 91 / 20 20 10 05 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. && GARMON/WFO MOBILE
Hazardous weather outlook, Sep 16, 12:15 PM CDT, 5 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE NEW ORLEANS LA ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL 1215 PM CDT FRI SEP 16 2005 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-171100- AMITE-ASCENSION-ASSUMPTION-EAST BATON ROUGE-EAST FELICIANA-HANCOCK- HARRISON-IBERVILLE-JACKSON-LIVINGSTON-LOWER JEFFERSON- LOWER LAFOURCHE-LOWER PLAQUEMINES-LOWER ST BERNARD-LOWER TERREBONNE- ORLEANS-PEARL RIVER-PIKE-POINTE COUPEE-ST CHARLES-ST HELENA-ST JAMES- ST JOHN THE BAPTIST-ST TAMMANY-TANGIPAHOA-UPPER JEFFERSON- UPPER LAFOURCHE-UPPER PLAQUEMINES-UPPER ST BERNARD-UPPER TERREBONNE- WALTHALL-WASHINGTON-WEST BATON ROUGE-WEST FELICIANA-WILKINSON- 1215 PM CDT FRI SEP 16 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST...SOUTH CENTRAL AND COASTAL MISSISSIPPI. .DAY ONE...REST OF TODAY AND TONIGHT... SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EARLY EVENING OVER SOUTHERN MISSISSIPPI...AS WELL AS OVER PORTIONS OF EAST CENTRAL AND SOUTHEAST LOUISIANA...ESPECIALLY AREAS WEST AND NORTH OF LAKE PONCHARTRAIN. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED OVER SOUTH CENTRAL AND COASTAL SOUTHEAST LOUISIANA THIS AFTERNOON AND EVENING. NO SEVERE STORMS ARE EXPECTED...ALTHOUGH A FEW STORMS OVER SOUTH CENTRAL MISSISSIPPI COULD BECOME STRONG ENOUGH TO PRODUCE GUSTY WINDS AROUND 40 MPH...IN ADDITION TO BRIEF HEAVY RAINS. THE RAINFALL AMOUNTS EXPECTED THROUGH TONIGHT ARE NOT EXPECTED TO BE ENOUGH TO DIMINISH THE RISK OF FIRES. OTHERWISE...NO HAZARDOUS OR SEVERE WEATHER IS EXPECTED THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... SECTIONS OF NEW ORLEANS WILL REMAIN FLOODED. RESIDENTS AND BUSINESS OWNERS SHOULD CONTINUE TO MONITOR LOCAL NEWS MEDIA BROADCASTS REGARDING THE STATUS...CONDITION...AND ACCESSIBILITY IN THEIR LOCAL AREAS. AT THIS TIME...NO HAZARDOUS OR SEVERE WEATHER IS EXPECTED THROUGH THE PERIOD. .SPOTTER INFORMATION STATEMENT... OTHER THAN ONGOING EFFORTS TO ASSIST IN RESCUE AND RELIEF OPERATIONS...ADDITIONAL ACTIVATION FOR SEVERE WEATHER OPERATIONS IS NOT ANTICIPATED.
In the hours before
Special weather statement, Sep 16, 4:40 PM CDT, 1 hour before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS-BATON ROUGE LA ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL 440 PM CDT FRI SEP 16 2005 MSZ068-069-162215- AMITE-WILKINSON- 440 PM CDT FRI SEP 16 2005 ...STRONG THUNDERSTORMS ARE MOVING INTO AMITE AND WILKINSON COUNTIES FROM THE NORTH... AT 435 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS FROM 14 MILES NORTH OF LIBERTY TO 21 MILES SOUTHEAST OF CENTREVILLE. THE STORMS ARE MOVING TO THE SOUTH AT 10 TO 15 MPH. THE LINE OF STORMS WILL AFFECT AREAS IN AND AROUND... LIBERTY...WOODVILLE AND CROSBY THROUGH 515 PM CDT. THE PRIMARY THREATS FROM THESE STORMS WILL BE...DANGEROUS CLOUD TO GROUND LIGHTNING... AND WIND GUSTS OF 35 TO 45 MPH...WHICH COULD DOWN SMALL TREE LIMBS OR BRANCHES AND BLOW AROUND UNSECURED SMALL OBJECTS. SMALL HAIL IS ALSO POSSIBLE. SEEK SHELTER IN A SAFE HOME OR BUILDING UNTIL THESE STORMS HAVE PASSED. THESE STORMS COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A SHORT PERIOD OF TIME...RESULTING IN BRIEF PONDING OF WATER AROUND LOW LYING AREAS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.
Special weather statement, Sep 16, 5:12 PM CDT, 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS-BATON ROUGE LA ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL 512 PM CDT FRI SEP 16 2005 MSZ068>070-162315- PIKE-AMITE-WILKINSON- 512 PM CDT FRI SEP 16 2005 ...STRONG THUNDERSTORMS ARE BEING DETECTED OVER PIKE...AMITE AND WILKINSON COUNTIES... AT 512 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS EXTENDING FROM NEAR MCCOMB TO 10 MILES WEST OF CROSBY...AND MOVING SOUTHEAST AT 20 MPH. THE CLUSTER OF STORMS WILL AFFECT AREAS IN AND AROUND...WOODVILLE...GLOSTER...MAGNOLIA...LIBERTY AND CENTREVILLE THROUGH 615 PM CDT. THE PRIMARY THREATS FROM THESE STORMS ARE DANGEROUS CLOUD TO GROUND LIGHTNING AND WIND GUSTS OF 35 TO 40 MPH...WHICH COULD DOWN SMALL TREE LIMBS OR BRANCHES AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING UNTIL THESE STORMS HAVE PASSED. THESE STORMS COULD ALSO PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A SHORT PERIOD OF TIME...RESULTING IN BRIEF PONDING OF WATER AROUND LOW LYING AREAS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.
Nearby
Severe Thunderstorm Warnings in Louisiana, 2005Every severe thunderstorm warning in 2005
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.