Alert archive / Louisiana / Special Weather Statements in 2018

Special Weather Statement, NWS Lake Charles, LA

March 5, 2018Evangeline Parish, Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this special weather statement at Mar 5, 2018, 10:09 PM CST for Evangeline Parish, Saint Landry Parish, Louisiana. It was in force for 51 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: Mar 5, 2018, 10:09 PM CST (04:09 UTC)
Expired: Mar 5, 2018, 11:00 PM CST
In force: 51 min
Issued by: NWS Lake Charles, LA

Counties Evangeline Parish, LA, Saint Landry Parish, LA

The radar

The Ft Polk radar (KPOE), 117 km from the middle of the area, began a volume at 04:10 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 00:00Z, 4.2 hours before the alert went out and 143 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: 1067 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 569 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 Mar 5, 9:45 PM CST, 24 minutes earlier.

Area forecast discussion, Mar 5, 9:45 PM CST, 24 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Mar 5, 3:39 PM CST, 6 hours 30 minutes before

Hazardous Weather Outlook
National Weather Service Lake Charles LA
339 PM CST Mon Mar 5 2018

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
062145-
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-
339 PM CST Mon Mar 5 2018

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

.DAY ONE...This Afternoon and Tonight
Cold front moves through tonight. Showers and thunderstorms will
increase ahead of the front. A few thunderstorms may become severe
with the main threat from hail and strong winds. Storms tapering
off behind the front as drier and cooler air pushes in from the
northwest.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Looks like a dry week ahead as high pressure dominates the
weather. Storms return on saturday ahead on a new front.

.SPOTTER INFORMATION STATEMENT...

GMZ430-432-435-450-452-455-470-472-475-062145-
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-
339 PM CST Mon Mar 5 2018

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

.DAY ONE...This Afternoon and Tonight
Winds picking up behind of a cold front that will move into the
coastal waters late this evening. A Small Craft Advisory has been
posted for late tomorrow morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Winds tapering off on Tuesday but return on Wednesday as the next
surge of cold air moves across the coastal waters.

.SPOTTER INFORMATION STATEMENT...

In the hours before

Special weather statement, Mar 5, 6:00 PM CST, 4 hours 9 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
600 PM CST MON MAR 5 2018

TXZ259-260-060045-
Northern Newton TX-Northern Jasper TX-
600 PM CST MON MAR 5 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN NEWTON AND NORTHEASTERN
JASPER COUNTIES UNTIL 645 PM CST...

At 600 PM CST, Doppler radar was tracking strong thunderstorms along
a line extending from near Mayflower to near Harrisburg. Movement was
east at 30 mph.

Nickel size hail will be possible with these storms.

Locations impacted include...
Toledo Bend Dam, Burkeville, Harrisburg, Mayflower, Farrsville and
Wiergate.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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

&&

LAT...LON 3118 9354 3093 9361 3103 9402 3116 9392
      3118 9362 3118 9360 3117 9358 3119 9355
TIME...MOT...LOC 0000Z 263DEG 26KT 3116 9371 3103 9395

Jones

Special weather statement, Mar 5, 6:07 PM CST, 4 hours 2 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
607 PM CST MON MAR 5 2018

TXZ180-259-260-060045-
Northern Newton TX-Northern Jasper TX-Tyler TX-
607 PM CST MON MAR 5 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN TYLER...NORTHWESTERN
NEWTON AND NORTHEASTERN JASPER COUNTIES UNTIL 645 PM CST...

At 606 PM CST, Doppler radar was tracking a strong thunderstorm near
Jasper, moving east at 40 mph.

Nickel size hail will be possible with this storm.

Locations impacted include...
Jasper, Newton, Ebenezer, Jamestown and Stringtown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 3084 9427 3106 9425 3103 9402 3093 9361
      3079 9367
TIME...MOT...LOC 0006Z 265DEG 35KT 3094 9408

Jones

Special weather statement, Mar 5, 6:54 PM CST, 3 hours 15 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
654 PM CST MON MAR 5 2018

TXZ259-260-060145-
Northern Newton TX-Northern Jasper TX-
654 PM CST MON MAR 5 2018

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL NEWTON AND EAST
CENTRAL JASPER COUNTIES UNTIL 745 PM CST...

At 653 PM CST, Doppler radar was tracking a strong thunderstorm near
Roganville, or 8 miles south of Jasper, moving southeast at 20 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Kirbyville, Call, Bon Weir, Trout Creek, Roganville, Magnolia
Springs, Old Salem and Bleakwood.

LAT...LON 3091 9399 3076 9360 3076 9361 3072 9361
      3068 9363 3066 9367 3064 9368 3061 9369
      3059 9368 3059 9370 3058 9373 3056 9372
      3054 9374 3052 9372 3052 9374 3075 9409
TIME...MOT...LOC 0053Z 299DEG 18KT 3080 9398

13

Special weather statement, Mar 5, 6:56 PM CST, 3 hours 13 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
656 PM CST MON MAR 5 2018

LAZ027-060145-
Vernon LA-
656 PM CST MON MAR 5 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN VERNON PARISH UNTIL
745 PM CST...

At 656 PM CST, Doppler radar was tracking a strong thunderstorm near
Leesville, moving east at 25 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Leesville, Slagle, Fort Polk, New Llano, Lacamp, Leander and Simpson.

LAT...LON 3132 9293 3132 9288 3129 9288 3129 9286
      3127 9286 3127 9285 3126 9285 3125 9284
      3107 9283 3110 9333 3128 9333 3133 9293
TIME...MOT...LOC 0056Z 268DEG 20KT 3120 9325

13

Special weather statement, Mar 5, 7:22 PM CST, 2 hours 47 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Mar 5, 10:09 PM CST, 0 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 5, 6:56 PM CST	Special Weather Statement	LCH	Vernon	49 min
Mar 5, 6:58 PM CST	Tornado Warning	LCH	Vernon	11 min
Mar 5, 7:22 PM CST	Special Weather Statement	LCH	Beauregard	38 min
Mar 6, 10:48 AM CST	River Flood Warning	LCH	Acadia, Evangeline, Saint Landry	21 hr
Mar 6, 2:04 PM CST	Small Craft Advisory	LCH		22 hr
Mar 5, 6:00 PM CST	Special Weather Statement	LCH	Newton	45 min
Mar 5, 6:07 PM CST	Special Weather Statement	LCH	Jasper	38 min
Mar 5, 6:54 PM CST	Special Weather Statement	LCH	Jasper, Newton	51 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.