Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Lake Charles, LA

March 24, 2017Tyler County, Texas

NWS Lake Charles, LA issued this special weather statement at Mar 24, 2017, 9:13 PM CDT for Tyler County, Texas. It was in force for 47 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 24, 2017, 9:13 PM CDT (02:13 UTC)
Expired
Mar 24, 2017, 10:00 PM CDT
In force
47 min
Issued by
NWS Lake Charles, LA

County Tyler County, TX

The radar

The Ft Polk radar (KPOE), 134 km from the middle of the area, began a volume at 02:14 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, 2.2 hours before the alert went out and 150 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2017-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 762 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2017-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
762 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.4

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 Mar 24, 7:16 PM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Mar 24, 7:16 PM CDT, 1 hour 57 minutes before
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Hazardous weather outlook, Mar 24, 5:50 AM CDT, 15 hours 23 minutes before
Hazardous Weather Outlook
National Weather Service Lake Charles LA
550 AM CDT Fri Mar 24 2017

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
251130-
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-
550 AM CDT Fri Mar 24 2017

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

Elevated and gusty southerly winds will occur today, especially
along the I-10 corridor. Wind speeds will be 15 to 25 mph with
higher gusts. A Wind Advisory will be in effect for locations
along and south of the I-10 corridor.

A line of showers and thunderstorms are expected Friday Night. A
Slight Risk of Severe Storms is outlined by the Storm Prediction
Center (SPC) northwest of a Beaumont to Marksville line.
Meanwhile, A Marginal Risk is outlined for the remainder of the
forecast area. Damaging straightline wind gusts is the main
concern. Isolated large hail or an isolated tornado can not be
totally ruled out, especially in the slight risk area. Brief
torrential down pours and frequent cloud to ground lightning will
also be possible with the storms.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Another significant storm system is expected during the mid week.
Although predictably with this system may change, currently a
Slight Risk for severe storms is outlined by SPC for the forecast
area on late Wednesday into Wednesday Night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

GMZ430-432-435-450-452-455-470-472-475-251130-
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-
550 AM CDT Fri Mar 24 2017

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

.DAY ONE...Today and Tonight

Elevated and gusty southerly winds along with building seas will
make for Small Craft Advisory conditions through tonight.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Elevated southerly winds may occur on Sunday Night into Monday
with Small Craft Exercise Caution conditions. An active pattern
will bring another storm system during the mid-week. Small Craft
Advisory conditions along with strong storms may occur on late
Wednesday into early Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

Rua

In the hours before

Special weather statement, Mar 24, 9:13 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
913 PM CDT FRI MAR 24 2017

TXZ180-259-250300-
Northern Jasper TX-Tyler TX-
913 PM CDT FRI MAR 24 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN TYLER AND NORTHERN
JASPER COUNTIES UNTIL 1000 PM CDT...

At 912 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 11 miles south of Huntington to
Alabama-Coushatta Reservation. Movement was east at 45 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Jasper, Woodville, Colmesneil, Chester, Ebenezer, Town Bluff,
Rockland, Browndell and Sam Rayburn Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

A tornado watch remains in effect until midnight CDT for southeastern
Texas.

LAT...LON 3102 9465 3106 9456 3105 9449 3103 9447
      3111 9406 3114 9403 3116 9391 3080 9406
      3068 9458 3100 9466
TIME...MOT...LOC 0212Z 250DEG 41KT 3112 9455 3073 9472

TWH

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 12:13 AM CDTSevere Thunderstorm WarningLCHBeauregard, Vernon36 min
Mar 25, 12:52 AM CDTSpecial Weather StatementLCHVernon53 min
Mar 25, 1:03 AM CDTSpecial Weather StatementLCHBeauregard42 min
Mar 25, 7:56 AM CDTSpecial Weather StatementLCHVernon49 min
Mar 25, 8:11 AM CDTSpecial Weather StatementLCHCalcasieu49 min
Mar 25, 8:21 AM CDTSevere Thunderstorm WarningLCHCalcasieu, Jefferson Davis39 min
Mar 25, 9:18 AM CDTSpecial Weather StatementLCHAcadia, Cameron, Jefferson Davis42 min
Mar 25, 9:31 AM CDTRiver Flood WarningLCHCalcasieu51 hr
Mar 25, 10:14 AM CDTSpecial Weather StatementLCHVermilion61 min
Mar 25, 10:59 AM CDTSpecial Weather StatementLCHSaint Martin46 min
Mar 25, 11:04 AM CDTSpecial Marine WarningLCH56 min
Mar 25, 11:30 AM CDTSpecial Weather StatementLCHSaint Martin45 min
Mar 25, 1:12 PM CDTSpecial Marine WarningLCH63 min
Mar 24, 10:41 PM CDTTornado WarningLCHJasper, Tyler19 min
Mar 24, 10:57 PM CDTSevere Thunderstorm WarningLCHJasper, Tyler33 min
Mar 24, 11:06 PM CDTSpecial Weather StatementLCHHardin, Jasper, Newton, Tyler54 min
Mar 24, 11:21 PM CDTSevere Thunderstorm WarningLCHJasper, Newton, Tyler54 min
Mar 24, 11:40 PM CDTSevere Thunderstorm WarningLCHHardin, Jasper, Tyler65 min
Mar 25, 12:39 AM CDTSpecial Weather StatementLCHNewton36 min
Mar 25, 1:22 AM CDTSpecial Weather StatementLCHOrange23 min
Mar 25, 1:48 AM CDTSpecial Weather StatementLCHJefferson, Orange42 min
Mar 25, 10:10 AM CDTAreal Flood AdvisoryLCHJefferson2 hr
Mar 25, 10:43 AM CDTSevere Thunderstorm WarningLCHJefferson32 min

Nearby

Special Weather Statements in Texas, 2017Every special weather statement in 2017

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.