Alert archive / Louisiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Lake Charles, LA

January 17, 2012Avoyelles Parish, Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 17, 2012, 11:24 AM CST for Avoyelles Parish, Rapides Parish, Louisiana. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jan 17, 2012, 11:24 AM CST (17:24 UTC)
Expired: Jan 17, 2012, 12:08 PM CST
In force: 44 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

Counties Avoyelles Parish, LA, Rapides Parish, LA

What was reported inside it

Time	Report	Where	Remark
Jan 17, 11:28 AM CST	HAIL 0.88	Pineville, LA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 5.4 hours before the alert went out and 171 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1296 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 458 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 278 m²/s²
0-3 km storm-relative helicity: 300 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 8.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

357 
WUUS54 KLCH 171724
SVRLCH
LAC009-079-171830-
/O.NEW.KLCH.SV.W.0002.120117T1724Z-120117T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1124 AM CST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN AVOYELLES PARISH IN CENTRAL LOUISIANA...
  THIS INCLUDES EFFIE...
  NORTHEASTERN RAPIDES PARISH IN CENTRAL LOUISIANA...
  THIS INCLUDES...ALEXANDRIA INTERNATIONAL AIRPORT...PINEVILLE...
  ALEXANDRIA...

* UNTIL 1230 PM CST

* AT 1124 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH...5 MILES SOUTH OF ALEXANDRIA...MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PINEVILLE...KINGSVILLE...PARADISE AND TIOGA BY 1130 AM CST...
  KOLIN BY 1135 AM CST...
  RUBY AND LIBUSE BY 1140 AM CST...
  CENTERPOINT AND ESLER REGIONAL AIRPORT BY 1145 AM CST...
  EFFIE BY 1150 AM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND HEAVY RAIN. STAY INDOORS...
AWAY FROM WINDOWS.

CONTINUOUS LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...WHEN THUNDER ROARS...GO INDOORS.

&&

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT
337-477-5285 EXTENSION 1.

LAT...LON 3146 9215 3141 9215 3136 9207 3133 9207
      3135 9203 3132 9200 3129 9201 3123 9199
      3125 9194 3128 9195 3130 9192 3125 9181
      3124 9181 3112 9251 3132 9256 3148 9218
TIME...MOT...LOC 1724Z 253DEG 32KT 3122 9244

$$
TINGLER

3 follow-up statements

169 
WWUS54 KLCH 171731
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1131 AM CST TUE JAN 17 2012

LAC009-079-171830-
/O.CON.KLCH.SV.W.0002.000000T0000Z-120117T1830Z/
RAPIDES LA-AVOYELLES LA-
1131 AM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 PM CST
FOR NORTHERN AVOYELLES AND NORTHEASTERN RAPIDES PARISHES...

AT 1125 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM ESLER REGIONAL AIRPORT TO 7 MILES
SOUTHEAST OF ALEXANDRIA..MOVING EAST AT 40 MPH.

NICKEL SIZED HAIL HAS RECENTLY BEEN REPORTED IN PINEVILLE.

SEVERE THUNDERSTORMS WILL BE NEAR...
  RUBY AND DEVILLE BY 1140 AM CST...
  CENTERPOINT BY 1145 AM CST...
  EFFIE BY 1150 AM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONTINUOUS LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...WHEN THUNDER ROARS...GO INDOORS.

&&

LAT...LON 3146 9215 3141 9215 3136 9207 3133 9207
      3135 9203 3132 9200 3129 9201 3123 9199
      3125 9194 3128 9195 3130 9192 3125 9181
      3124 9181 3112 9251 3132 9256 3148 9218
TIME...MOT...LOC 1731Z 261DEG 33KT 3138 9220 3122 9234

$$

TINGLER

634 
WWUS54 KLCH 171754
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1154 AM CST TUE JAN 17 2012

LAC009-079-171830-
/O.CON.KLCH.SV.W.0002.000000T0000Z-120117T1830Z/
RAPIDES LA-AVOYELLES LA-
1154 AM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 PM CST
FOR NORTHERN AVOYELLES AND EXTREME NORTHEASTERN RAPIDES PARISHES...

AT 1148 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 9 MILES NORTHEAST OF DEVILLE TO
EFFIE..MOVING EAST AT 40 MPH.

SEVERE THUNDERSTORMS WILL AFFECT...
  RURAL NORTH AND NORTHEASTERN AVOYELLES PARISH 

LAT...LON 3128 9222 3141 9215 3136 9207 3133 9207
      3135 9203 3132 9200 3129 9201 3123 9199
      3125 9194 3128 9195 3130 9192 3125 9181
      3124 9181 3117 9223
TIME...MOT...LOC 1753Z 261DEG 33KT 3141 9197 3121 9210

$$

TINGLER

539 
WWUS54 KLCH 171808
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1208 PM CST TUE JAN 17 2012

LAC009-079-171818-
/O.CAN.KLCH.SV.W.0002.000000T0000Z-120117T1830Z/
RAPIDES LA-AVOYELLES LA-
1208 PM CST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN AVOYELLES AND EXTREME
NORTHEASTERN RAPIDES PARISHES IS CANCELLED...THE STORM THAT PROMPTED 
THE WARNING HAS WEAKENED.

LAT...LON 3128 9222 3141 9215 3136 9207 3133 9207
      3135 9203 3132 9200 3129 9201 3123 9199
      3125 9194 3128 9195 3130 9192 3125 9181
      3124 9181 3117 9223
TIME...MOT...LOC 1808Z 261DEG 33KT 3143 9181 3123 9194

$$

TINGLER

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 17, 5:32 AM CST	Small Craft Advisory	LCH		27 hr
Jan 17, 9:08 AM CST	Special Weather Statement	LCH	Vernon	7 min
Jan 17, 9:19 AM CST	Special Weather Statement	LCH	Rapides	26 min
Jan 17, 9:23 AM CST	Tornado Warning	LCH	Rapides, Vernon	13 min
Jan 17, 9:57 AM CST	Special Weather Statement	LCH	Vernon	48 min
Jan 17, 10:18 AM CST	Special Weather Statement	LCH	Vernon	42 min
Jan 17, 11:16 AM CST	Special Weather Statement	LCH	Rapides	29 min
Jan 17, 2:38 PM CST	Severe Thunderstorm Warning	LCH	Rapides, Vernon	37 min
Jan 17, 3:08 PM CST	Severe Thunderstorm Warning	LCH	Rapides, Vernon	37 min
Jan 17, 3:13 PM CST	Special Weather Statement	LCH	Avoyelles	17 min
Jan 17, 5:04 PM CST	Special Weather Statement	LCH	Evangeline	41 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2012 Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.