Alert archive / Texas / Winter Storm Warnings in 2015

Winter Storm Warning 3, NWS Shreveport, LA

February 22, 20154 counties in Arkansas; 11 parishes in Louisiana; 16 counties in Texas

NWS Shreveport, LA issued this winter storm warning at Feb 22, 2015, 9:42 PM CST for 4 counties in Arkansas; 11 parishes in Louisiana; 16 counties in Texas. It took effect at Feb 23, 2015, 4:00 AM CST. It was in force for 20 hr. 30 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 22, 2015, 9:42 PM CST (03:42 UTC)
In effect from
Feb 23, 2015, 4:00 AM CST
Expired
Feb 24, 2015, 12:00 AM CST
In force
20 hr
Issued by
NWS Shreveport, LA
All 31 counties

Columbia County, AR, Lafayette County, AR, Miller County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Union Parish, LA, Webster Parish, LA, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Marion County, TX, Morris County, TX, Panola County, TX, Red River County, TX, Rusk County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX

The radar

The Shreveport radar (KSHV), 35 km from the middle of the area, began a volume at 03:41 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.

What was reported inside it

TimeReportWhereRemark
Feb 23, 9:00 AM CSTFREEZING RAIN 06 N Lewisville, ARMODERATE SLEET JUST STARTING TO ACCUMULATE
Feb 23, 9:30 AM CSTSLEET 0.5Marshall, TXMODERATE SLEET FOR ABOUT 10 MINS. LIGHT ACCUMULATIONS IN ELECATED SURFACES SO FAR.
Feb 23, 11:42 AM CSTSLEET 11 Wnw White Oak, TXSLEET HAS BEEN ONGOING FOR OVER 2 HOURS
Feb 23, 12:00 PM CSTSLEET 0.53 Wsw Lindale, TX
Feb 23, 12:30 PM CSTSLEET 0.26 Ssw Noonday, TXMEASURED AT EMERALD BAY GOLF COURSE
Feb 23, 1:00 PM CSTSLEET 13 Ene Longview, TXROADS ARE COVERED IN SLEET. SLEETING FOR ALMOST 4 HOURS.
Feb 23, 1:15 PM CSTSLEET 12 Ene Blanchard, LAHEAVY SLEET AT TIMES SOMETIMES MIXED WITH SNOW.
Feb 23, 1:50 PM CSTSLEET 0.55 W Tyler, TX
Feb 23, 2:00 PM CSTSLEET 0.42 Ne Monroe, LA
Feb 23, 2:00 PM CSTSLEET 0.58 Se Shreveport, LAALONG ELLERBE RD IN SE SHREVEPORT
Feb 23, 2:00 PM CSTSLEET 15 Sse Shreveport, LA
Feb 23, 3:15 PM CSTSLEET 1.3Ne Ringgold, LASLEET STILL FALLING
Feb 23, 4:15 PM CSTSLEET 13 N Longview, TXTOTAL 6 HOUR SLEET ACCUMULATION
Feb 23, 6:00 PM CSTSLEET 0.213 Ese Quitman, TXSLEET WAS MEASURED BY A COOPERATIVE OBSERVER IN THE COMMUNITY OF HOLLY LAKE RANCH.
Feb 23, 6:00 PM CSTSLEET 0.510 E Gilmer, TXCO-OP OBSERVER MEASURED 0.10 FREEZING RAIN AND 0.5 INCHES OF SLEET...2 MILES WEST OF DIANA TEXAS
Feb 23, 7:00 PM CSTSLEET 0.1Jefferson, TX
Feb 23, 7:00 PM CSTSLEET 0.45 E Benton, LA
Feb 23, 7:00 PM CSTSLEET 1.41 W Hallsville, TX
Feb 23, 9:00 PM CSTSLEET 14 Se Bossier City, LASLEET WAS MEASURED FROM A COOPERATIVE OBSERVER IN THE COMMUNITY OF TAYLORTOWN.
Feb 23, 10:00 PM CSTSLEET 0.210 E Gilmer, TXSLEET ACCUMULATION MEASURED IN THE COMMUNITY OF DIANA.
Feb 23, 10:00 PM CSTSLEET 0.3Texarkana, ARSLEET WAS MIXED WITH LIGHT FREEZING RAIN AND SNOW WHICH LIGHTLY COATED GRASSY SURFACES. BRIDGES AND OVERPASSES WERE ICED OVER.
Feb 23, 10:00 PM CSTSLEET 0.46 Nw Henderson, TXSLEET MEASURED NORTHWEST OF HENDERSON.
Feb 23, 10:00 PM CSTSLEET 0.5Arcadia, LA
Feb 23, 10:00 PM CSTSLEET 0.6Ruston, LASTREETS AND GRASSY SURFACES COVERED IN SLEET
Feb 23, 10:00 PM CSTSLEET 0.7Monroe, LASTREETS AND GRASSY SURFACES COVERED IN SLEET NEAR DELTA COMMUNITY COLLEGE.
Feb 23, 10:00 PM CSTSLEET 0.96 N Hallsville, TXSTREETS AND GRASSY SURFACES COVERED IN SLEET.
Feb 23, 10:00 PM CSTSLEET 1Jamestown, LA
Feb 23, 11:00 PM CSTSLEET 0.31 N Homer, LA
Feb 23, 11:00 PM CSTSLEET 0.4Farmerville, LA
Feb 23, 11:00 PM CSTSLEET 0.83 Wsw Shreveport, LA

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

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 3.7 hours before the alert went out and 37 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, Shreveport, LA at 00:00Z on 2015-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Shreveport, LA at 00:00Z on 2015-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
235 m²/s²
0-3 km storm-relative helicity
515 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

602 
WWUS44 KSHV 230342
WSWSHV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SHREVEPORT LA
942 PM CST SUN FEB 22 2015


ARZ070>073-LAZ001>006-010>014-TXZ096-097-108>112-124>126-136>138-
149>151-231145-
/O.CAN.KSHV.WS.W.0002.000000T0000Z-150224T0000Z/
/O.NEW.KSHV.WS.W.0003.150223T1000Z-150224T0000Z/
MILLER-LAFAYETTE-COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-
CLAIBORNE-LINCOLN-UNION LA-DE SOTO-RED RIVER-BIENVILLE-JACKSON-
OUACHITA-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-
SMITH-GREGG-HARRISON-CHEROKEE-RUSK-PANOLA-
INCLUDING THE CITIES OF...TEXARKANA...LEWISVILLE...MAGNOLIA...
EL DORADO...SHREVEPORT...BOSSIER CITY...MINDEN...HOMER...RUSTON...
FARMERVILLE...MANSFIELD...COUSHATTA...BIENVILLE...JONESBORO...
MONROE...CLARKSVILLE...MT VERNON...MT PLEASANT...PITTSBURG...
DAINGERFIELD...ATLANTA...QUITMAN...GILMER...JEFFERSON...TYLER...
LONGVIEW...MARSHALL...RUSK...HENDERSON...CARTHAGE
942 PM CST SUN FEB 22 2015

...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 6 PM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A WINTER
STORM WARNING FOR FREEZING RAIN AND SLEET...WHICH IS NOW IN EFFECT
FROM 4 AM TO 6 PM CST MONDAY.

* EVENT...A MIXTURE OF FREEZING RAIN...SLEET AND SNOW IS EXPECTED
  OVER MUCH OF NORTHEAST TEXAS INTO SOUTHWEST ARKANSAS AND NORTH
  LOUISIANA LATE TONIGHT INTO MONDAY. FREEZING RAIN AND SLEET
  ACCUMULATIONS ARE EXPECTED TO BE NEAR ONE QUARTER OF AN INCH
  THROUGH MONDAY AFTERNOON.

* TIMING...A MIXTURE OF FREEZING RAIN AND SLEET WILL TRANSITION
  OVER TO SLEET AND SNOW LATE TONIGHT THROUGH THE DAY MONDAY
  ACROSS THE NORTHERN THIRD OF NORTHEAST TEXAS INTO SOUTHWEST
  ARKANSAS. FURTHER SOUTH ALONG THE INTERSTATE 20 CORRIDOR OF
  NORTHEAST TEXAS AND THE NORTHERN TWO THIRDS OF NORTHERN
  LOUISIANA...RAIN WILL BECOME FREEZING RAIN LATE TONIGHT...
  TRANSITIONING TO A MIXTURE OF FREEZING RAIN AND SLEET MONDAY.

* IMPACT...ACCUMULATIONS OF SLEET...SNOW...AND ICE MAY CAUSE 
  TRAVEL DIFFICULTIES ON AREA ROADWAYS PARTICULARLY ON BRIDGES 
  AND OVERPASSES. ICE ACCUMULATIONS ABOVE ONE QUARTER OF AN INCH 
  OF MORE MAY CAUSE SCATTERED POWER OUTAGES AS POWER LINES AND 
  TREES BECOME LADEN WITH ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SLEET...AND
ICE ARE EXPECTED...MAKING TRAVEL HAZARDOUS. ROADS...BRIDGES...AND
OVERPASSES IN THE WARNING AREA MAY BECOME ICY. DO NOT TRAVEL
UNLESS IT IS AN EMERGENCY.

&&

$$

LAZ017>022-TXZ152-153-165>167-230445-
/O.CAN.KSHV.WW.Y.0003.000000T0000Z-150224T0000Z/
SABINE LA-NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-NACOGDOCHES-
SHELBY-ANGELINA-SAN AUGUSTINE-SABINE TX-
INCLUDING THE CITIES OF...MANY...NATCHITOCHES...WINNFIELD...
COLFAX...COLUMBIA...JENA...NACOGDOCHES...CENTER...LUFKIN...
SAN AUGUSTINE...HEMPHILL
942 PM CST SUN FEB 22 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS CANCELED THE
WINTER WEATHER ADVISORY FOR DEEP EAST TEXAS INTO NORTH CENTRAL
LOUISIANA. TEMPERATURES ARE NOT EXPECTED TO FALL BELOW FREEZING
TONIGHT. THERE IS STILL A POSSIBILITY OF FREEZING RAIN AND SLEET
FOR MONDAY...BUT AT THIS TIME AMOUNTS LOOK TOO LOW TO WARRANT 
AN ADVISORY. 

$$

ARZ050-051-059>061-OKZ077-231145-
/O.CON.KSHV.WW.Y.0003.000000T0000Z-150224T0000Z/
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MCCURTAIN-
INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE...
PRESCOTT...IDABEL
942 PM CST SUN FEB 22 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
MONDAY...

* EVENT...ACROSS SOUTHEAST OKLAHOMA AND PORTIONS OF SOUTHWEST
  ARKANSAS...A MIXTURE OF FREEZING RAIN...SLEET AND OR SNOW WILL
  BE POSSIBLE THROUGH MONDAY. SNOW ACCUMULATIONS BETWEEN ONE TO
  THREE INCHES WILL BE POSSIBLE WITH ICE ACCUMULATIONS MAINLY LESS
  THAN ONE QUARTER OF AN INCH. 

* TIMING...WINTRY PRECIPITATION SHOULD BEGIN THIS EVENING AND CONTINUE DURING
  THE DAY MONDAY.

* IMPACT...ICE ACCUMULATIONS MAINLY LESS THAN ONE QUARTER OF AN
  INCH MAY CAUSE TRAVEL DIFFICULTIES...ESPECIALLY ACROSS ELEVATED
  BRIDGES AND OVERPASSES. A FEW POWER OUTAGES MAY ALSO OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...OR FREEZING
RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS
AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$
4 follow-up statements
209 
WWUS44 KSHV 230955
WSWSHV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SHREVEPORT LA
355 AM CST MON FEB 23 2015

ARZ073-LAZ004>006-010>014-TXZ149>151-232000-
/O.CAN.KSHV.WS.W.0003.150223T1000Z-150224T0000Z/
/O.NEW.KSHV.WW.Y.0004.150223T1200Z-150224T0300Z/
UNION AR-CLAIBORNE-LINCOLN-UNION LA-DE SOTO-RED RIVER-BIENVILLE-
JACKSON-OUACHITA-CHEROKEE-RUSK-PANOLA-
INCLUDING THE CITIES OF...EL DORADO...HOMER...RUSTON...
FARMERVILLE...MANSFIELD...COUSHATTA...BIENVILLE...JONESBORO...
MONROE...RUSK...HENDERSON...CARTHAGE
355 AM CST MON FEB 23 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING RAIN MIXED WITH SLEET WHICH IS IN
EFFECT UNTIL 9 PM CST THIS EVENING. THE WINTER STORM WARNING HAS
BEEN CANCELLED.

* EVENT...A MIXTURE OF FREEZING RAIN AND SLEET IS EXPECTED OVER
  THE REGION TODAY INTO EARLY THIS EVENING. FREEZING RAIN AND
  SLEET ACCUMULATIONS ARE EXPECTED TO BE MAINLY LESS THAN ONE
  QUARTER OF AN INCH THROUGH EARLY THIS EVENING.

* TIMING...PRECIPITATION IS RAPIDLY DEVELOPING ACROSS CENTRAL AND
  NORTH CENTRAL TEXAS EARLY THIS MORNING. EXPECT THIS PRECIPITATION
  TO BE MOVING INTO THE REGION BY LATE MORNING. TEMPERATURES NEAR
  FREEZING THIS MORNING WILL FALL INTO THE UPPER 20S TO NEAR 30 
  DEGREES ONCE THE PRECIPITATION BEGINS. 

* IMPACT...ACCUMULATIONS OF FREEZING RAIN AND SLEET MAINLY LESS
  THAN ONE QUARTER OF AN INCH MAY CAUSE TRAVEL DIFFICULTIES ON
  ELEVATED BRIDGES AND OVERPASSES. ICE WILL LIKELY ACCUMULATE ON
  POWER LINES AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN...
MIXING WITH SLEET WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY BRIDGES AND OVERPASSES...AND USE CAUTION WHILE DRIVING.

&&

$$

ARZ050-051-059>061-OKZ077-232000-
/O.CAN.KSHV.WW.Y.0003.000000T0000Z-150224T0000Z/
/O.NEW.KSHV.WW.Y.0004.150223T1200Z-150224T0300Z/
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MCCURTAIN-
INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE...
PRESCOTT...IDABEL
355 AM CST MON FEB 23 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM CST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING RAIN...SLEET AND SNOW WHICH IS IN
EFFECT UNTIL 9 PM CST THIS EVENING.

* EVENT...ACROSS SOUTHEAST OKLAHOMA AND PORTIONS OF SOUTHWEST
  ARKANSAS...A MIXTURE OF FREEZING RAIN...SLEET AND OR SNOW WILL
  BE POSSIBLE THROUGH EARLY THIS EVENING. SNOW ACCUMULATIONS NEAR
  ONE INCH WILL BE POSSIBLE WITH SLEET ACCUMULATIONS LESS THAN ONE
  HALF INCH. FREEZING RAIN ACCUMULATIONS WILL BE MAINLY LESS THAN
  ONE QUARTER OF AN INCH. 

* TIMING...PRECIPITATION IS RAPIDLY DEVELOPING ACROSS CENTRAL AND
  NORTH CENTRAL TEXAS EARLY THIS MORNING. EXPECT THIS PRECIPITATION
  TO BE MOVING INTO THE REGION BY EARLY TO MID MORNING AND CONTINUING 
  THROUGH EARLY EVENING. TEMPERATURES NEAR FREEZING THIS MORNING WILL
  FALL INTO THE MID AND UPPER 20S ONCE THE PRECIPITATION BEGINS.

* IMPACT...FREEZING RAIN...SLEET AND SNOW ACCUMULATIONS MAY CAUSE
  TRAVEL DIFFICULTIES ON ELEVATED BRIDGES AND OVERPASSES. ICE WILL
  LIKELY ACCUMULATE ON POWER LINES AS WELL. SOME SCATTERED POWER
  OUTAGES COULD ALSO OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN...
SLEET AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS...ESPECIALLY BRIDGES AND OVERPASSES. USE CAUTION
WHILE DRIVING. 

&&

$$

ARZ070>072-LAZ001>003-TXZ096-097-108>112-124>126-136>138-232000-
/O.EXT.KSHV.WS.W.0003.150223T1200Z-150224T0300Z/
MILLER-LAFAYETTE-COLUMBIA-CADDO-BOSSIER-WEBSTER-RED RIVER-BOWIE-
FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG-
HARRISON-
INCLUDING THE CITIES OF...TEXARKANA...LEWISVILLE...MAGNOLIA...
SHREVEPORT...BOSSIER CITY...MINDEN...CLARKSVILLE...MT VERNON...
MT PLEASANT...PITTSBURG...DAINGERFIELD...ATLANTA...QUITMAN...
GILMER...JEFFERSON...TYLER...LONGVIEW...MARSHALL
355 AM CST MON FEB 23 2015

...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...

* EVENT...A MIXTURE OF FREEZING RAIN AND SLEET...WITH SOME SNOW
  POSSIBLE ALONG AND NORTH OF THE INTERSTATE 30 CORRIDOR OF
  NORTHEAST TEXAS AND SOUTHWEST ARKANSAS...IS EXPECTED TODAY
  THROUGH EARLY EVENING. FREEZING RAIN AND SLEET ACCUMULATIONS ARE
  EXPECTED TO BE NEAR ONE QUARTER OF AN INCH...WITH HIGHER SLEET
  TOTALS TO NEAR ONE HALF INCH POSSIBLE NORTH OF THE INTERSTATE 20
  CORRIDOR OF NORTHEAST TEXAS AS WELL AS SOUTHWEST ARKANSAS. 

* TIMING...PRECIPITATION IS RAPIDLY DEVELOPING ACROSS CENTRAL AND
  NORTH CENTRAL TEXAS EARLY THIS MORNING. EXPECT THIS PRECIPITATION
  TO BEGIN MOVING INTO NORTHEAST TEXAS BY EARLY TO MID MORNING...
  WITH THE PRECIPITATION MOVING INTO NORTHWEST LOUISIANA BY MID TO 
  LATE MORNING. TEMPERATURES ARE ALREADY NEAR TO BELOW FREEZING AND
  ONCE THE PRECIPITATION BEGINS...EXPECT TEMPERATURES TO FALL FURTHER
  INTO THE MID TO UPPER 20S. 

* IMPACT...FREEZING RAIN...SLEET AND SNOW ACCUMULATIONS MAY CAUSE
  TRAVEL DIFFICULTIES ON MAINLY ELEVATED BRIDGES AND OVERPASSES. 
  HEAVIER SLEET ACCUMULATIONS...MAINLY NORTH OF THE INTERSTATE 20
  CORRIDOR OF NORTHEAST TEXAS INTO SOUTHWEST ARKANSAS COULD RESULT 
  IN SOME SECONDARY ROADWAYS BECOMING SLIPPERY AS WELL. ICE WILL 
  LIKELY ACCUMULATE ON POWER LINES WHICH COULD RESULT IN SCATTERED
  POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SLEET...AND
ICE ARE EXPECTED...MAKING TRAVEL HAZARDOUS. BRIDGES...OVERPASSES
AND SOME SECONDARY ROADWAYS IN THE WARNING AREA WILL BECOME ICY. 
USE CAUTION WHILE DRIVING. 

&&

$$

LAZ017>022-TXZ152-153-165>167-232000-
/O.NEW.KSHV.WW.Y.0004.150223T1200Z-150224T0300Z/
SABINE LA-NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-NACOGDOCHES-
SHELBY-ANGELINA-SAN AUGUSTINE-SABINE TX-
INCLUDING THE CITIES OF...MANY...NATCHITOCHES...WINNFIELD...
COLFAX...COLUMBIA...JENA...NACOGDOCHES...CENTER...LUFKIN...
SAN AUGUSTINE...HEMPHILL
355 AM CST MON FEB 23 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM CST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING RAIN...MIXING WITH SLEET WHICH IS
IN EFFECT UNTIL 9 PM CST THIS EVENING. 

* EVENT...A MIXTURE OF FREEZING RAIN AND SLEET IS EXPECTED OVER
  THE REGION TODAY INTO EARLY THIS EVENING. FREEZING RAIN AND
  SLEET ACCUMULATIONS ARE EXPECTED TO BE MAINLY LESS THAN ONE
  QUARTER OF AN INCH THROUGH EARLY THIS EVENING.

* TIMING...PRECIPITATION IS RAPIDLY DEVELOPING ACROSS CENTRAL AND
  NORTH CENTRAL TEXAS EARLY THIS MORNING. EXPECT THIS PRECIPITATION 
  TO BE MOVING INTO NORTHEAST TEXAS BY EARLY TO MID MORNING...WITH
  THE PRECIPITATION EXPECTED TO BE MOVING INTO NORTHERN LOUISIANA
  BY MID TO LATE MORNING. TEMPERATURES ARE SLIGHTLY ABOVE FREEZING
  EARLY THIS MORNING BUT TEMPERATURES WILL FALL TO NEAR OR SLIGHTLY
  BELOW FREEZING AT THE ONSET OF PRECIPITATION.  

* IMPACT...ACCUMULATIONS OF FREEZING RAIN AND SLEET MAINLY LESS
  THAN ONE QUARTER OF AN INCH MAY CAUSE TRAVEL DIFFICULTIES ON
  ELEVATED BRIDGES AND OVERPASSES. ICE WILL LIKELY ACCUMULATE ON
  POWER LINES AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN...
MIXING WITH SLEET WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY BRIDGES AND OVERPASSES...AND USE CAUTION WHILE DRIVING.

$$

13
026 
WWUS44 KSHV 231015
WSWSHV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SHREVEPORT LA
415 AM CST MON FEB 23 2015

ARZ070>072-LAZ001>003-TXZ096-097-108>112-124>126-136>138-232000-
/O.CON.KSHV.WS.W.0003.150223T1200Z-150224T0300Z/
MILLER-LAFAYETTE-COLUMBIA-CADDO-BOSSIER-WEBSTER-RED RIVER-BOWIE-
FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG-
HARRISON-
INCLUDING THE CITIES OF...TEXARKANA...LEWISVILLE...MAGNOLIA...
SHREVEPORT...BOSSIER CITY...MINDEN...CLARKSVILLE...MT VERNON...
MT PLEASANT...PITTSBURG...DAINGERFIELD...ATLANTA...QUITMAN...
GILMER...JEFFERSON...TYLER...LONGVIEW...MARSHALL
415 AM CST MON FEB 23 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

* EVENT...A MIXTURE OF FREEZING RAIN AND SLEET...WITH SOME SNOW 
  POSSIBLE ALONG AND NORTH OF THE INTERSTATE 30 CORRIDOR OF 
  NORTHEAST TEXAS AND SOUTHWEST ARKANSAS...IS EXPECTED TODAY 
  THROUGH EARLY EVENING. FREEZING RAIN AND SLEET ACCUMULATIONS 
  ARE EXPECTED TO BE NEAR ONE QUARTER OF AN INCH...WITH HIGHER 
  SLEET TOTALS TO NEAR ONE HALF INCH POSSIBLE NORTH OF THE 
  INTERSTATE 20 CORRIDOR OF NORTHEAST TEXAS AS WELL AS SOUTHWEST 
  ARKANSAS. 

* TIMING...PRECIPITATION IS RAPIDLY DEVELOPING ACROSS CENTRAL 
  AND NORTH CENTRAL TEXAS EARLY THIS MORNING. EXPECT THIS 
  PRECIPITATION TO BEGIN MOVING INTO NORTHEAST TEXAS BY EARLY TO 
  MID MORNING... WITH THE PRECIPITATION MOVING INTO NORTHWEST 
  LOUISIANA BY MID TO LATE MORNING. TEMPERATURES ARE ALREADY 
  NEAR TO BELOW FREEZING AND ONCE THE PRECIPITATION BEGINS...
  EXPECT TEMPERATURES TO FALL FURTHER INTO THE MID TO UPPER 20S. 

* IMPACT...FREEZING RAIN...SLEET AND SNOW ACCUMULATIONS MAY 
  CAUSE TRAVEL DIFFICULTIES ON MAINLY ELEVATED BRIDGES AND 
  OVERPASSES. HEAVIER SLEET ACCUMULATIONS...MAINLY NORTH OF THE 
  INTERSTATE 20 CORRIDOR OF NORTHEAST TEXAS INTO SOUTHWEST 
  ARKANSAS COULD RESULT IN SOME SECONDARY ROADWAYS BECOMING 
  SLIPPERY AS WELL. ICE WILL LIKELY ACCUMULATE ON POWER LINES 
  WHICH COULD RESULT IN SCATTERED POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SLEET...AND
ICE ARE EXPECTED...MAKING TRAVEL HAZARDOUS. BRIDGES...OVERPASSES
AND SOME SECONDARY ROADWAYS IN THE WARNING AREA WILL BECOME ICY.
USE CAUTION WHILE DRIVING.

&&

$$

ARZ050-051-059>061-073-LAZ004>006-010>014-017>022-OKZ077-
TXZ149>153-165>167-232000-
/O.CON.KSHV.WW.Y.0004.150223T1200Z-150224T0300Z/
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-UNION AR-CLAIBORNE-
LINCOLN-UNION LA-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-
SABINE LA-NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-MCCURTAIN-
CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE-
SABINE TX-
INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE...
PRESCOTT...EL DORADO...HOMER...RUSTON...FARMERVILLE...MANSFIELD...
COUSHATTA...BIENVILLE...JONESBORO...MONROE...MANY...
NATCHITOCHES...WINNFIELD...COLFAX...COLUMBIA...JENA...IDABEL...
RUSK...HENDERSON...CARTHAGE...NACOGDOCHES...CENTER...LUFKIN...
SAN AUGUSTINE...HEMPHILL
415 AM CST MON FEB 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

* EVENT...ACROSS SOUTHEAST OKLAHOMA AND PORTIONS OF SOUTHWEST 
  ARKANSAS...A MIXTURE OF FREEZING RAIN...SLEET AND OR SNOW WILL 
  BE POSSIBLE THROUGH EARLY THIS EVENING. SNOW ACCUMULATIONS 
  NEAR ONE INCH WILL BE POSSIBLE WITH SLEET ACCUMULATIONS LESS 
  THAN ONE HALF INCH. FREEZING RAIN ACCUMULATIONS WILL BE MAINLY 
  LESS THAN ONE QUARTER OF AN INCH. 

  ACROSS THE SOUTHERN HALF OF NORTHEAST TEXAS AS WELL AS PORTIONS 
  OF NORTHWEST AND NORTH CENTRAL LOUISIANA...A MIXTURE OF FREEZING
  RAIN MIXED WITH SLEET IS EXPECTED THROUGH EARLY THIS EVENING. 
  FREEZING RAIN AND SLEET ACCUMULATIONS ARE EXPECTED TO BE MAINLY
  LESS THAN ONE QUARTER OF AN INCH THROUGH EARLY THIS EVENING.

* TIMING...PRECIPITATION IS RAPIDLY DEVELOPING ACROSS CENTRAL 
  AND NORTH CENTRAL TEXAS EARLY THIS MORNING. EXPECT THIS 
  PRECIPITATION TO BE MOVING INTO NORTHEAST TEXAS...SOUTHEAST
  OKLAHOMA AND PORTIONS OF SOUTHWEST ARKANSAS BY EARLY TO MID
  MORNING. THE PRECIPITATION WILL BEGIN MOVING INTO NORTHERN 
  LOUISIANA AND SOUTH CENTRAL ARKANSAS BY MID TO LATE MORNING. 
  TEMPERATURES ARE NEAR TO BELOW FREEZING ALREADY THIS MORNING.
  ONCE THE PRECIPITATION BEGINS...EXPECT TEMPERATURES TO CONTINUE
  FALLING INTO THE MID TO UPPER 20S ACROSS SOUTHEAST OKLAHOMA AND
  SOUTHWEST ARKANSAS...TO THE UPPER 20S TO NEAR 30 FOR THE SOUTHERN 
  HALF OF NORTHEAST TEXAS INTO NORTHERN LOUISIANA. 

* IMPACT...FREEZING RAIN...SLEET AND SNOW ACCUMULATIONS MAY 
  CAUSE TRAVEL DIFFICULTIES ON ELEVATED BRIDGES AND OVERPASSES. 
  ICE WILL LIKELY ACCUMULATE ON POWER LINES AS WELL. SOME 
  SCATTERED POWER OUTAGES COULD ALSO OCCUR...MAINLY ACROSS 
  SOUTHEAST OKLAHOMA INTO SOUTHWEST ARKANSAS.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN...
SLEET AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS...ESPECIALLY BRIDGES AND OVERPASSES. USE CAUTION
WHILE DRIVING.

&&

$$

13
496 
WWUS44 KSHV 231803
WSWSHV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SHREVEPORT LA
1203 PM CST MON FEB 23 2015

ARZ070>072-LAZ001>003-TXZ096-097-108>112-124>126-136>138-232215-
/O.CON.KSHV.WS.W.0003.000000T0000Z-150224T0300Z/
MILLER-LAFAYETTE-COLUMBIA-CADDO-BOSSIER-WEBSTER-RED RIVER-BOWIE-
FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG-
HARRISON-
INCLUDING THE CITIES OF...TEXARKANA...LEWISVILLE...MAGNOLIA...
SHREVEPORT...BOSSIER CITY...MINDEN...CLARKSVILLE...MT VERNON...
MT PLEASANT...PITTSBURG...DAINGERFIELD...ATLANTA...QUITMAN...
GILMER...JEFFERSON...TYLER...LONGVIEW...MARSHALL
1203 PM CST MON FEB 23 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

* EVENT...A MIXTURE OF FREEZING RAIN AND SLEET...WITH SOME SNOW
  POSSIBLE...TO CONTINUE THROUGH EARLY EVENING. ADDITIONAL
  FREEZING RAIN AND SLEET ACCUMULATIONS TO NEAR ONE QUARTER OF AN
  INCH POSSIBLE.

* TIMING...A WINTRY MIX OF PRECIPITATION TO CONTINUE MOVING EAST
  ACROSS EAST TEXAS AND NORTHWEST LOUISIANA THROUGH THE AFTERNOON
  AND EARLY EVENING HOURS.

* IMPACT...FREEZING RAIN...SLEET AND SNOW ACCUMULATIONS MAY CAUSE
  TRAVEL DIFFICULTIES ON MAINLY ELEVATED BRIDGES AND OVERPASSES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SLEET...AND
ICE ARE EXPECTED...MAKING TRAVEL HAZARDOUS. BRIDGES...OVERPASSES
AND SOME SECONDARY ROADWAYS IN THE WARNING AREA WILL BECOME ICY.
USE CAUTION WHILE DRIVING.

&&

$$

ARZ050-051-059>061-073-LAZ004>006-010>014-017>022-OKZ077-
TXZ149>153-165>167-232215-
/O.CON.KSHV.WW.Y.0004.000000T0000Z-150224T0300Z/
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-UNION AR-CLAIBORNE-
LINCOLN-UNION LA-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-
SABINE LA-NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-MCCURTAIN-
CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE-
SABINE TX-
INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE...
PRESCOTT...EL DORADO...HOMER...RUSTON...FARMERVILLE...MANSFIELD...
COUSHATTA...BIENVILLE...JONESBORO...MONROE...MANY...
NATCHITOCHES...WINNFIELD...COLFAX...COLUMBIA...JENA...IDABEL...
RUSK...HENDERSON...CARTHAGE...NACOGDOCHES...CENTER...LUFKIN...
SAN AUGUSTINE...HEMPHILL
1203 PM CST MON FEB 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

* EVENT...ACROSS SOUTHEAST OKLAHOMA AND PORTIONS OF SOUTHWEST
  ARKANSAS...A MIXTURE OF FREEZING RAIN...SLEET AND OR SNOW REMAIN
  POSSIBLE THROUGH EARLY THIS EVENING. ADDITIONAL SNOW
  ACCUMULATIONS OF A HALF AN INCH WILL BE POSSIBLE. SLEET AND
  FREEZING RAIN ACCUMULATIONS WILL BE LESS THAN ONE QUARTER OF AN
  INCH. ACROSS THE SOUTHERN HALF OF NORTHEAST TEXAS AS WELL AS
  PORTIONS OF NORTHWEST AND NORTH CENTRAL LOUISIANA...A MIXTURE OF
  FREEZING RAIN MIXED WITH SLEET IS EXPECTED THROUGH EARLY THIS
  EVENING. FREEZING RAIN AND SLEET ACCUMULATIONS ARE EXPECTED TO
  BE MAINLY LESS THAN ONE QUARTER OF AN INCH THROUGH EARLY THIS
  EVENING.

* TIMING...PRECIPITATION TO CONTINUE ACROSS SOUTHEAST OKLAHOMA AND
  SOUTHWEST ARKANSAS BEFORE GRADUALLY TAPERING OFF DURING THE
  AFTERNOON. RAIN TO TRANSITION TO SLEET AND FREEZING RAIN ACROSS
  DEEP EAST TEXAS AND WEST-CENTRAL LOUISIANA THIS AFTERNOON. 

* IMPACT...FREEZING RAIN...SLEET AND SNOW ACCUMULATIONS MAY CAUSE
  TRAVEL DIFFICULTIES ON ELEVATED BRIDGES AND OVERPASSES. ICE WILL
  LIKELY ACCUMULATE ON POWER LINES AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN...
SLEET AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS...ESPECIALLY BRIDGES AND OVERPASSES. USE CAUTION
WHILE DRIVING.

&&

$$
298 
WWUS44 KSHV 232005
WSWSHV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SHREVEPORT LA
205 PM CST MON FEB 23 2015

ARZ070>072-LAZ001>003-TXZ096-097-108>112-124>126-136>138-240600-
/O.EXT.KSHV.WS.W.0003.000000T0000Z-150224T0600Z/
MILLER-LAFAYETTE-COLUMBIA-CADDO-BOSSIER-WEBSTER-RED RIVER-BOWIE-
FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG-
HARRISON-
INCLUDING THE CITIES OF...TEXARKANA...LEWISVILLE...MAGNOLIA...
SHREVEPORT...BOSSIER CITY...MINDEN...CLARKSVILLE...MT VERNON...
MT PLEASANT...PITTSBURG...DAINGERFIELD...ATLANTA...QUITMAN...
GILMER...JEFFERSON...TYLER...LONGVIEW...MARSHALL
205 PM CST MON FEB 23 2015

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* EVENT...A MIXTURE OF FREEZING RAIN AND SLEET...WITH SOME SNOW
  POSSIBLE...TO CONTINUE THROUGH MIDNIGHT. ADDITIONAL FREEZING
  RAIN AND SLEET ACCUMULATIONS TO NEAR ONE HALF OF AN INCH
  POSSIBLE.

* TIMING...A WINTRY MIX OF PRECIPITATION TO CONTINUE MOVING EAST
  ACROSS EAST TEXAS AND NORTHWEST LOUISIANA THROUGH THE MIDNIGHT.
  PRECIPITATION INTENSITY AND COVERAGE TO GRADUALLY DIMINISH
  THROUGH THE EVENING HOURS.


* IMPACT...FREEZING RAIN...SLEET AND SNOW ACCUMULATIONS MAY 
  CAUSE TRAVEL DIFFICULTIES ON MAINLY ELEVATED BRIDGES AND 
  OVERPASSES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SLEET...AND
ICE ARE EXPECTED...MAKING TRAVEL HAZARDOUS. BRIDGES...OVERPASSES
AND SOME SECONDARY ROADWAYS IN THE WARNING AREA WILL BECOME ICY.
USE CAUTION WHILE DRIVING.

&&

$$

ARZ050-051-059>061-073-LAZ004>006-010>014-017>022-OKZ077-
TXZ149>153-165>167-240600-
/O.EXT.KSHV.WW.Y.0004.000000T0000Z-150224T0600Z/
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-UNION AR-CLAIBORNE-
LINCOLN-UNION LA-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-
SABINE LA-NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-MCCURTAIN-
CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE-
SABINE TX-
INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE...
PRESCOTT...EL DORADO...HOMER...RUSTON...FARMERVILLE...MANSFIELD...
COUSHATTA...BIENVILLE...JONESBORO...MONROE...MANY...
NATCHITOCHES...WINNFIELD...COLFAX...COLUMBIA...JENA...IDABEL...
RUSK...HENDERSON...CARTHAGE...NACOGDOCHES...CENTER...LUFKIN...
SAN AUGUSTINE...HEMPHILL
205 PM CST MON FEB 23 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* EVENT...ACROSS SOUTHEAST OKLAHOMA AND PORTIONS OF SOUTHWEST
  ARKANSAS...A MIXTURE OF FREEZING RAIN...SLEET AND OR SNOW REMAIN
  POSSIBLE THROUGH MIDNIGHT. ADDITIONAL SNOW ACCUMULATIONS OF A
  HALF AN INCH WILL BE POSSIBLE. SLEET AND FREEZING RAIN
  ACCUMULATIONS WILL BE LESS THAN ONE QUARTER OF AN INCH. ACROSS
  THE SOUTHERN HALF OF NORTHEAST TEXAS AS WELL AS PORTIONS OF
  NORTHWEST AND NORTH CENTRAL LOUISIANA...A MIXTURE OF FREEZING
  RAIN MIXED WITH SLEET IS EXPECTED THROUGH MIDNIGHT WITH
  ACCUMULATIONS LESS THAN ONE QUARTER OF AN INCH.

* TIMING...PRECIPITATION TO CONTINUE ACROSS SOUTHEAST OKLAHOMA AND
  SOUTHWEST ARKANSAS BEFORE GRADUALLY TAPERING OFF DURING THE
  EVENING HOURS. RAIN TO TRANSITION TO SLEET AND FREEZING RAIN
  ACROSS DEEP EAST TEXAS AND WEST-CENTRAL LOUISIANA THIS AFTERNOON
  BEFORE GRADUALLY DIMINISH DURING THE EVENING.

* IMPACT...FREEZING RAIN...SLEET AND SNOW ACCUMULATIONS MAY 
  CAUSE TRAVEL DIFFICULTIES ON ELEVATED BRIDGES AND OVERPASSES. 
  ICE WILL LIKELY ACCUMULATE ON POWER LINES AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN...
SLEET AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS...ESPECIALLY BRIDGES AND OVERPASSES. USE CAUTION
WHILE DRIVING.

&&

$$


05

What forecasters said that day

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

NWS Shreveport, LA wrote its last area forecast discussion before this winter storm warning went out at Feb 22, 6:35 PM CST, 3 hours 7 minutes earlier.

Area forecast discussion, Feb 22, 6:35 PM CST, 3 hours 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
635 PM CST SUN FEB 22 2015

.AVIATION...
LIGHT TO MOD RA OVER THE ARKLATEX AS LIQUID ONLY. MVFR/IFR CIGS
AND VSBY. OUR SFC WINDS ARE N/NE 10-20 KTS. ALOFT...WE ARE NE
10-25KTS TO 3KFT...THEN QUICKLY VEER TO SW 20-40KTS ON ASCENT AND
ARE W 50KTS BY FL200. LL FREEZING TEMPS AT 2.2-3.1 KFT AND NOT
AGAIN UNTIL 10.5KFT WITH SATURATION TO 12.5KFT 2KFT LAYER OF
ICING. SFC...EXPECT A WINTRY MIX OF RA/FZRA/PL AND THEN SN LATE
THIS CYCLE FROM N TO S. WINTRY MIX OF RAPL TO FZRA 09-15Z AND IP
18-21Z. COLD AIR DEEPENS AND MIX BECOMES ALL SN FM N TO S LATE.
IFR/LIFR IS THE OUTLOOK IS FOR MORE SN LATE TUES INTO WED.

&&

.PREV DISCUSSION... /ISSUED 259 PM CST SUN FEB 22 2015/

DISCUSSION...
RAIN CONTINUES ACROSS THE REGION THIS AFTERNOON WITH TEMPERATURES
HOLDING STEADY IN THE LOW TO MID 40S AREAWIDE. AS COLD HIGH
PRESSURE CONTINUES TO SURGE SOUTH...WINDS TO INCREASE AREAWIDE
OVERNIGHT. PORTIONS OF SOUTHERN ARKANSAS AND NORTH LOUISIANA TO
EXPERIENCE NORTHEAST WINDS AROUND 20 MPH WITH HIGHER GUSTS. HENCE
A LAKE WIND ADVISORY IS IN EFFECT FOR THESE AREAS OVERNIGHT.

A WINTER STORM WARNING REMAINS IN EFFECT ACROSS THE INTERSTATE 20
CORRIDOR WITH WINTER WEATHER ADVISORIES POSTED TO THE NORTH AND
SOUTH. RAINFALL TONIGHT TO TRANSITION INTO SLEET AND SNOW ACROSS
THE INTERSTATE 30 CORRIDOR DURING THE MID-EVENING HOURS. AS COLD
AIR DEEPENS SOUTHWARD...RAIN TO TRANSITION INTO SLEET AND FREEZING
RAIN ACROSS THE INTERSTATE 20 CORRIDOR AFTER MIDNIGHT. BY DAYBREAK
MONDAY...SHOULD SEE RAIN TRANSITIONING TO FREEZING RAIN ACROSS
DEEP EAST TEXAS AND WEST CENTRAL LOUISIANA. TEMPERATURES TO REMAIN
AT OR BELOW FREEZING THROUGHOUT THE DAY MONDAY...ALLOWING FOR ALL
PRECIPITATION TO FALL AS A WINTRY MIX. NO SIGNIFICANT CHANGES TO THE
FORECAST CONCERNING THIS EVENT...HOWEVER UNCERTAINTY REMAINS
CONCERNING EXACT TOTALS REGARDING SLEET...FREEZING RAIN...AND
SNOWFALL. THIS UNCERTAINTY EXISTS DUE TO THE FACT THAT
TEMPERATURES WILL REMAIN AT OR SLIGHTLY BELOW FREEZING ACROSS MANY
AREAS THROUGHOUT THE DURATION OF THE EVENT. IN THESE
SITUATIONS...A VARIATION OF A COUPLE OF DEGREES COULD MEAN THE
DIFFERENCE FROM A SIGNIFICANT ICING EVENT TO JUST COLD RAIN.

THAT BEING SAID...SHOULD THIS EVENT EVOLVE INTO A SIGNIFICANT
WINTER PRECIPITATION EVENT...THERE ARE SOME INDICATIONS FROM MODEL
DATA THAT THE POSTED ADVISORIES AND WARNINGS MAY NEED TO BE
EXTENDED INTO MONDAY NIGHT...ESPECIALLY ACROSS DEEP EAST TEXAS AND
WEST CENTRAL LOUISIANA. HOWEVER...WILL HOLD OFF ON ISSUING
EXTENSIONS UNTIL A LATER TIME.

ASIDE FROM ACTUAL WINTER PRECIPITATION...ANOTHER CONCERN THAT NEEDS
TO BE NOTED REGARDING THIS EVENT IS THAT MOST OF THE REGION WILL
EXPERIENCE SUB-FREEZING TEMPERATURES FROM TONIGHT THROUGH TUESDAY
AFTERNOON. EVEN THOUGH TEMPERATURES WILL REMAIN SLIGHTLY BELOW
FREEZING...THE DURATION OF SUB-FREEZING TEMPERATURES MAY BE
PROBLEMATIC FOR EXPOSED PIPES...PETS...AND TENDER VEGETATION.

OTHERWISE...A SERIES OF REINFORCING HIGH PRESSURE SYSTEMS TO
MAINTAIN COLD TEMPERATURES THROUGH MUCH OF THE WEEK. /05/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  30  31  26  39  32 /  80  80  60  30  20
MLU  29  30  26  38  31 /  80  80  60  30  30
DEQ  28  29  23  38  28 /  80  80  50  20   0
TXK  27  28  24  37  30 /  80  80  50  20   0
ELD  25  28  23  37  30 /  80  80  60  30   0
TYR  31  31  26  39  30 /  80  80  60  30   0
GGG  31  31  26  39  31 /  80  80  60  30   0
LFK  32  32  30  41  34 /  80  80  60  40  30

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...LAKE WIND ADVISORY UNTIL 6 AM CST MONDAY FOR THE FOLLOWING
     ZONES: ARZ071>073.

     WINTER STORM WARNING FROM 9 PM THIS EVENING TO 6 PM CST MONDAY
     FOR THE FOLLOWING ZONES: ARZ070>073.

     WINTER WEATHER ADVISORY FROM 9 PM THIS EVENING TO 6 PM CST
     MONDAY FOR THE FOLLOWING ZONES: ARZ050-051-059>061.

LA...LAKE WIND ADVISORY UNTIL 6 AM CST MONDAY FOR THE FOLLOWING
     ZONES: LAZ001>006-010>014-017>022.

     WINTER STORM WARNING FROM 9 PM THIS EVENING TO 6 PM CST MONDAY
     FOR THE FOLLOWING ZONES: LAZ001>006-010>014.

     WINTER WEATHER ADVISORY FROM 9 PM THIS EVENING TO 6 PM CST
     MONDAY FOR THE FOLLOWING ZONES: LAZ017>022.

OK...WINTER WEATHER ADVISORY FROM 9 PM THIS EVENING TO 6 PM CST
     MONDAY FOR THE FOLLOWING ZONES: OKZ077.

TX...WINTER STORM WARNING FROM 9 PM THIS EVENING TO 6 PM CST MONDAY
     FOR THE FOLLOWING ZONES:
     TXZ096-097-108>112-124>126-136>138-149>151.

     WINTER WEATHER ADVISORY FROM 9 PM THIS EVENING TO 6 PM CST
     MONDAY FOR THE FOLLOWING ZONES: TXZ152-153-165>167.

&&

24/05
Hazardous weather outlook, Feb 22, 11:43 AM CST, 9 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1143 AM CST SUN FEB 22 2015

ARZ050-051-059>061-OKZ077-231745-
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MCCURTAIN-
1143 AM CST SUN FEB 22 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
ARKANSAS AND SOUTHEAST OKLAHOMA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

A WINTER WEATHER ADVISORY IS IN EFFECT FROM 9 PM TONIGHT THROUGH 6
PM MONDAY. JUST A COLD RAIN IS ALL THAT IS EXPECTED TODAY ACROSS
THE REGION. HOWEVER...THIS EVENING INTO THE OVERNIGHT HOURS...
THE RAIN WILL TRANSITION OVER TO A MIXTURE OF FREEZING RAIN...SLEET
AND SNOW. SLEET AND SNOW SHOULD BECOME THE PREDOMINANT TYPE AFTER
MIDNIGHT WITH SNOW AMOUNTS UP TO ONE INCH POSSIBLE. SLEET
ACCUMULATIONS WILL BE MAINLY LESS THAN ONE QUARTER OF AN INCH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

SLEET AND SNOW WILL AGAIN BE POSSIBLE THROUGH MONDAY AND COULD CONTINUE
INTO MONDAY NIGHT AND EARLY TUESDAY AS WELL. SNOW ACCUMULATIONS BETWEEN
ONE AND THREE INCHES WILL BE POSSIBLE ALONG WITH SLEET ACCUMULATIONS
MAINLY LESS THAN ONE QUARTER OF AN INCH. ANY REMAINING SNOW AND OR
SLEET MONDAY NIGHT THROUGH TUESDAY SHOULD BE MINIMAL AMOUNTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

ARZ070>073-LAZ001>006-010>014-TXZ096-097-108>112-124>126-136>138-
149>151-231745-
MILLER-LAFAYETTE-COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-
CLAIBORNE-LINCOLN-UNION LA-DE SOTO-RED RIVER-BIENVILLE-JACKSON-
OUACHITA-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-
SMITH-GREGG-HARRISON-CHEROKEE-RUSK-PANOLA-
1143 AM CST SUN FEB 22 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ARKANSAS...SOUTHWEST ARKANSAS...NORTH CENTRAL LOUISIANA...
NORTHWEST LOUISIANA AND NORTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

A WINTER STORM WARNING IS IN EFFECT FROM 9 PM TONIGHT THROUGH 6
PM MONDAY. JUST A COLD RAIN IS ALL THAT IS EXPECTED TODAY ACROSS
THE REGION. HOWEVER...THIS EVENING INTO THE OVERNIGHT HOURS... THE
RAIN WILL TRANSITION OVER TO A MIXTURE OF FREEZING RAIN AND SLEET.
FREEZING RAIN AND SLEET WILL BE MAINLY LESS THAN ONE QUARTER OF AN
INCH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

FREEZING RAIN AND SLEET COULD TRANSITION OVER TO JUST SLEET AND
SNOW DURING THE DAY MONDAY ACROSS SOUTHWEST ARKANSAS AND PORTIONS
OF NORTHEAST TEXAS...MAINLY NORTH OF THE INTERSTATE 20 CORRIDOR.
FURTHER SOUTH...INCLUDING THE INTERSTATE 20 CORRIDOR OF NORTHEAST
TEXAS AND NORTHERN LOUISIANA...FREEZING RAIN AND SLEET WILL
CONTINUE TO BE THE PRIMARY PRECIPITATION TYPE WITH ADDITIONAL
FREEZING RAIN AND SLEET ACCUMULATIONS NEAR ONE QUARTER OF AN INCH
POSSIBLE. ANY REMAINING FREEZING RAIN...SLEET AND OR SNOW
ACCUMULATIONS ACROSS THE REGION SHOULD BE MINIMAL MONDAY NIGHT
INTO TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

LAZ017>022-TXZ152-153-165>167-231745-
SABINE LA-NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-NACOGDOCHES-
SHELBY-ANGELINA-SAN AUGUSTINE-SABINE TX-
1143 AM CST SUN FEB 22 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
LOUISIANA...NORTHWEST LOUISIANA AND EAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

A WINTER WEATHER ADVISORY IS IN EFFECT FROM 9 PM TONIGHT THROUGH
6 PM MONDAY. JUST A COLD RAIN IS ALL THAT IS EXPECTED TODAY ACROSS
THE REGION. HOWEVER...LATE TONIGHT...ESPECIALLY AFTER MIDNIGHT...
THE RAIN COULD TRANSITION OVER TO FREEZING RAIN...MIXED WITH SLEET
AT TIMES. ANY FREEZING RAIN OR SLEET ACCUMULATIONS SHOULD BE LESS
THAN ONE QUARTER OF AN INCH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

PERIODS OF RAIN OR FREEZING RAIN...MIXING WITH SLEET WILL BE
POSSIBLE THROUGH THE DAY MONDAY. ADDITIONAL ACCUMULATIONS OF ICE
SHOULD BE LESS THAN ONE QUARTER OF AN INCH. ANY REMAINING
FREEZING RAIN OR SLEET ACCUMULATIONS ACROSS THE REGION SHOULD BE
MINIMAL MONDAY NIGHT INTO TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 3:55 AM CSTWinter Weather AdvisorySHVHempstead, Howard, Little River, Nevada, Sevier, Union20 hr
Feb 23, 11:01 AM CSTRiver Flood WarningSHVColumbia38 days

Nearby

Winter Storm Warnings in Texas, 2015Winter Storm Warnings in Louisiana, 2015Winter Storm Warnings in Arkansas, 2015Every winter storm warning in 2015

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; radar from the NEXRAD Level II archive.