Alert archive / Louisiana / Special Weather Statements in 2018

Special Weather Statement, NWS Lake Charles, LA

August 3, 2018Rapides Parish, Louisiana

NWS Lake Charles, LA issued this special weather statement at Aug 3, 2018, 6:56 PM CDT for Rapides Parish, Louisiana. It was in force for 34 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: Aug 3, 2018, 6:56 PM CDT (23:56 UTC)
Expired: Aug 3, 2018, 7:30 PM CDT
In force: 34 min
Issued by: NWS Lake Charles, LA

County Rapides Parish, LA

The radar

The Ft Polk radar (KPOE), 59 km from the middle of the area, began a volume at 23:57 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.9 hours before the alert went out and 134 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: 1284 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1117 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this special weather statement went out at Aug 3, 6:45 PM CDT, 11 minutes earlier.

Area forecast discussion, Aug 3, 6:45 PM CDT, 11 minutes before

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Hazardous weather outlook, Aug 3, 4:13 AM CDT, 14 hours 43 minutes before

Hazardous Weather Outlook
National Weather Service Lake Charles LA
413 AM CDT Fri Aug 3 2018

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
040915-
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin-
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-
East Cameron-Tyler-Hardin-Jefferson-Orange-Northern Jasper-
Northern Newton-Southern Jasper-Southern Newton-
413 AM CDT Fri Aug 3 2018

This Hazardous Weather Outlook is for portions of central
Louisiana, south central Louisiana, southwest Louisiana, west
central Louisiana, and southeast Texas.

.DAY ONE...Today and Tonight

A few showers and thunderstorms will be possible near the coast of
lower Acadiana today and again tonight. Occasional cloud to
ground lightning can be expected with the storms, otherwise no
severe weather in anticipated.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Increasing moisture over the weekend and into Monday combined with
an unstable atmosphere should result in numerous showers and
thunderstorms during this timeframe. Brief periods of locally
heavy down pours and occasional to frequent cloud to ground
lightning can be expected with the storms. However, the potential
for organized severe weather is low.

More seasonal scattered showers and thunderstorms can be expected
for Tuesday through Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

GMZ430-432-435-450-452-455-470-472-475-040915-
Sabine Lake-Calcasieu Lake-Vermilion Bay-
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
413 AM CDT Fri Aug 3 2018

This Hazardous Weather Outlook is for portions of Gulf of Mexico.

.DAY ONE...Today and Tonight

Showers and thunderstorms will slowly increase today off the
south central Louisiana coastal waters and then spread westward
into the remaining waters tonight. Occasional cloud to water
lightning can be expected, otherwise no severe weather in
anticipated.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Scattered to numerous showers and thunderstorms are expected for
Saturday through Monday. Occasional to frequent cloud to water
lightning, along with locally higher winds and seas can be
expected with the storms. Isolated to scattered showers and
thunderstorms will continue Tuesday through Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

06

In the hours before

Special weather statement, Aug 3, 4:10 PM CDT, 2 hours 46 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
410 PM CDT FRI AUG 3 2018

LAZ053-054-032145-
Iberia LA-St. Mary LA-
410 PM CDT FRI AUG 3 2018

...SPECIAL WEATHER STATEMENT...

At 409 PM CDT, Doppler radar was tracking a strong thunderstorm near
Glencoe, or near Jeanerette, moving northwest at 20 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
New Iberia, Franklin, Jeanerette, Avery Island, Baldwin, Loreauville,
Sorrel, Cote Blanche Island, Glencoe, Lydia, Charenton and Weeks
Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2963 9166 2965 9163 2975 9161 2973 9180
      2978 9186 2980 9185 2978 9183 2982 9182
      2982 9191 2984 9193 2984 9188 2985 9194
      2988 9198 3010 9177 2980 9143 2964 9156
TIME...MOT...LOC 2109Z 135DEG 16KT 2985 9169

Warthen

Special weather statement, Aug 3, 4:52 PM CDT, 2 hours 4 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
452 PM CDT FRI AUG 3 2018

LAZ043-032215-
Acadia LA-
452 PM CDT FRI AUG 3 2018

...SPECIAL WEATHER STATEMENT...

At 452 PM CDT, Doppler radar was tracking a strong thunderstorm over
Crowley, moving west at 15 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Crowley, Rayne, Iota, Evangeline, Mowata, Branch, Maxie, Egan,
Estherwood and Midland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3019 9259 3020 9259 3023 9262 3028 9262
      3032 9263 3034 9262 3035 9263 3039 9262
      3039 9260 3041 9261 3046 9259 3038 9222
      3013 9233
TIME...MOT...LOC 2152Z 106DEG 11KT 3024 9237

Warthen

Special weather statement, Aug 3, 5:11 PM CDT, 1 hour 45 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
511 PM CDT FRI AUG 3 2018

LAZ052-032245-
Vermilion LA-
511 PM CDT FRI AUG 3 2018

...SPECIAL WEATHER STATEMENT...

At 511 PM CDT, Doppler radar was tracking a strong thunderstorm over
Esther, or near Intracoastal City, moving northwest at 10 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Abbeville, Kaplan, Intracoastal City, Forked Island, Meaux, Esther
and Henry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2974 9213 2974 9214 2975 9213 2976 9213
      2977 9215 2975 9215 2976 9218 2975 9216
      2974 9217 2975 9220 2992 9244 3008 9219
      2986 9197 2980 9198 2977 9206 2973 9214
TIME...MOT...LOC 2211Z 130DEG 10KT 2987 9216

Warthen

Special weather statement, Aug 3, 5:17 PM CDT, 1 hour 39 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
517 PM CDT FRI AUG 3 2018

LAZ042-043-032245-
Acadia LA-Jefferson Davis LA-
517 PM CDT FRI AUG 3 2018

...SPECIAL WEATHER STATEMENT...

At 517 PM CDT, Doppler radar was tracking a strong thunderstorm over
Egan, or near Iota, moving west at 15 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Jennings, Iota, Mermentau, Evangeline, Maxie, Egan, Estherwood,
Hathaway, Midland and Roanoke.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3037 9238 3018 9244 3018 9278 3042 9270
TIME...MOT...LOC 2217Z 101DEG 13KT 3025 9252

Warthen

Special weather statement, Aug 3, 6:08 PM CDT, 48 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
608 PM CDT FRI AUG 3 2018

LAZ028-031-032-032345-
Evangeline LA-Allen LA-Rapides LA-
608 PM CDT FRI AUG 3 2018

...SPECIAL WEATHER STATEMENT...

At 608 PM CDT, Doppler radar was tracking a strong thunderstorm near
Reddell, or 7 miles northwest of Mamou, moving northwest at 10 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Oakdale, Glenmora, Elizabeth, Pine Prairie, Allen Parish Airport,
Beaver, Bond and Mcnary.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3079 9242 3060 9250 3080 9284 3102 9270
      3110 9257 3095 9246
TIME...MOT...LOC 2308Z 131DEG 9KT 3072 9250

Warthen

Special weather statement, Aug 3, 6:56 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 8:45 PM CDT	Special Weather Statement	LCH	Vermilion	30 min
Aug 2, 9:15 PM CDT	Special Weather Statement	LCH	Vermilion	30 min
Aug 3, 2:56 PM CDT	Special Weather Statement	LCH	Saint Martin	49 min
Aug 3, 3:30 PM CDT	Special Weather Statement	LCH	Lafayette	45 min
Aug 3, 4:10 PM CDT	Special Weather Statement	LCH	Saint Martin	35 min
Aug 3, 4:52 PM CDT	Special Weather Statement	LCH	Acadia	23 min
Aug 3, 5:11 PM CDT	Special Weather Statement	LCH	Vermilion	34 min
Aug 3, 5:17 PM CDT	Special Weather Statement	LCH	Acadia	28 min
Aug 3, 6:08 PM CDT	Special Weather Statement	LCH	Evangeline	37 min

Nearby

Special Weather Statements in Louisiana, 2018 Every special weather statement in 2018

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.