Alert archive / Texas / Winter Storm Warnings in 2015
Winter Storm Warning 4, NWS Shreveport, LA
NWS Shreveport, LA issued this winter storm warning at Feb 24, 2015, 10:00 AM CST for 4 states. It took effect at Feb 25, 2015, 12:00 AM CST. It was in force for 16 hr. 60 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 24, 2015, 10:00 AM CST (16:00 UTC)
- In effect from
- Feb 25, 2015, 12:00 AM CST
- Expired
- Feb 25, 2015, 4:12 PM CST
- In force
- 16 hr
- Issued by
- NWS Shreveport, LA
All 37 counties
Columbia County, AR, Hempstead County, AR, Howard County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Sevier County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell 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, Winn Parish, LA, McCurtain County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Marion County, TX, Morris County, TX, Panola County, TX, Red River County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 53 km from the middle of the area, began a volume at 16:01 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 25, 7:04 AM CST | FREEZING RAIN 0.1 | 4 Nw Hawkins, TX | FREEZING RAIN BECOMES SLEET |
| Feb 25, 7:04 AM CST | FREEZING RAIN 0.1 | Big Sandy, TX | FREEZING RAIN BECOMES SLEET |
| Feb 25, 7:15 AM CST | FREEZING RAIN 0.1 | 6 N Haughton, LA | ICE FORMING ON ELEVATED OBJECTS |
| Feb 25, 7:15 AM CST | FREEZING RAIN 0.1 | Marshall, TX | |
| Feb 25, 7:45 AM CST | FREEZING RAIN 0.1 | 3 Ene Longview, TX | |
| Feb 25, 8:05 AM CST | SLEET 0.5 | 1 N Daingerfield, TX | |
| Feb 25, 8:19 AM CST | SNOW 1 | 5 Nw Yantis, TX | |
| Feb 25, 9:40 AM CST | SNOW 1 | Longview, TX | SNOW COVERING ROADWAYS AND GROUND |
| Feb 25, 9:49 AM CST | SNOW 1 | De Kalb, TX | |
| Feb 25, 9:53 AM CST | SNOW 1 | Longview, TX | SNOWING HEAVY STREETS COVERED IN SNOW |
| Feb 25, 9:55 AM CST | SNOW 1 | De Queen, AR | |
| Feb 25, 9:56 AM CST | SNOW 2 | Nw Quitman, TX | |
| Feb 25, 9:58 AM CST | SNOW 1 | De Queen, AR | |
| Feb 25, 10:02 AM CST | SNOW 2 | Gladewater, TX | |
| Feb 25, 10:06 AM CST | SNOW 1 | Bossier City, LA | |
| Feb 25, 10:09 AM CST | SNOW 1 | Tyler, TX | |
| Feb 25, 10:15 AM CST | FREEZING RAIN 0.2 | 3 Wsw Lindale, TX | |
| Feb 25, 10:25 AM CST | SNOW 4 | W Gladewater, TX | WEST LONGVIEW |
| Feb 25, 10:30 AM CST | SNOW 3 | 1 S Domino, TX | |
| Feb 25, 10:38 AM CST | SNOW 1 | Claiborne, LA | |
| Feb 25, 10:39 AM CST | SNOW 2 | Texarkana, AR | |
| Feb 25, 10:45 AM CST | SNOW 3 | Foreman, AR | |
| Feb 25, 10:48 AM CST | SNOW 1.8 | Atlanta, TX | SEVERAL LIMBS FROM OAK TREES ON N. LOUISE ST. POWER OUTAGE IN MCLEOD |
| Feb 25, 10:52 AM CST | SNOW 2 | Shreveport, LA | |
| Feb 25, 10:53 AM CST | SNOW 4 | Gladewater, TX | |
| Feb 25, 10:57 AM CST | SNOW 1 | Haynesville, LA | |
| Feb 25, 11:00 AM CST | SNOW 1 | 6 Ssw Noonday, TX | MEASURED AT EMERALD BAY GOLF COURSE |
| Feb 25, 11:00 AM CST | SNOW 3 | West Monroe, LA | |
| Feb 25, 11:01 AM CST | SNOW 0.8 | Magnolia, AR | |
| Feb 25, 11:07 AM CST | SNOW 1.7 | 4 W Tyler, TX | |
| Feb 25, 11:23 AM CST | SNOW 3 | N Pittsburg, TX | |
| Feb 25, 11:40 AM CST | SNOW 2 | 2 N Bossier City, LA | |
| Feb 25, 11:49 AM CST | SNOW 2.5 | 3 Wsw Shreveport, LA | SHV WEATHER OFFICE |
| Feb 25, 11:49 AM CST | SNOW 2.5 | 8 Wsw Shreveport, LA | SHV WEATHER OFFICE |
| Feb 25, 11:53 AM CST | SNOW 1 | El Dorado, AR | 1 KMNE AIRPORT |
| Feb 25, 11:54 AM CST | SNOW 4 | Nashville, AR | |
| Feb 25, 11:56 AM CST | SNOW 2.5 | N Minden, LA | |
| Feb 25, 12:00 PM CST | SNOW 2.5 | 2 Ene Uncertain, TX | |
| Feb 25, 12:00 PM CST | SNOW 3.5 | Jefferson, TX | |
| Feb 25, 12:00 PM CST | SNOW 4 | Clarksville City, TX | |
| Feb 25, 12:00 PM CST | SNOW 4 | Fouke, AR | MEASURED AT THE FOUKE CITY HALL. |
| Feb 25, 12:00 PM CST | SNOW 4 | Texarkana, AR | |
| Feb 25, 12:00 PM CST | SNOW 5 | 5 Nnw Avery, TX | |
| Feb 25, 12:02 PM CST | SNOW 4 | Talco, TX | |
| Feb 25, 12:08 PM CST | SNOW 2.6 | Atlanta, TX | POWER OUTAGES IN DOUGLASSVILLE TX AND RURAL AREAS BOTH EAST AND WEST OF ATLANTA |
| Feb 25, 12:11 PM CST | SNOW 2 | White Oak, TX | |
| Feb 25, 12:13 PM CST | SNOW 3 | Shreveport, LA | |
| Feb 25, 12:15 PM CST | SNOW 2.3 | Big Sandy, TX | MEASURED BY A BROADCAST METEOROLOGIST IN BIG SANDY. |
| Feb 25, 12:15 PM CST | SNOW 2.5 | 6 N Haughton, LA | 2.5 OF SNOW ON THE GROUND WITH LIGHT TO MODERATE SNOW STILL FALLING. |
| Feb 25, 12:15 PM CST | SNOW 2.7 | 5 Sse Shreveport, LA | |
| Feb 25, 12:23 PM CST | SNOW 3 | Pittsburg, TX | |
| Feb 25, 12:26 PM CST | SNOW 0.4 | Hope, AR | |
| Feb 25, 12:26 PM CST | SNOW 4 | Hope, AR | |
| Feb 25, 12:30 PM CST | SNOW 2 | 8 Se Shreveport, LA | |
| Feb 25, 12:30 PM CST | SNOW 6 | 6 N Lewisville, AR | |
| Feb 25, 12:45 PM CST | SNOW 6 | 1 N Longview, TX | |
| Feb 25, 12:59 PM CST | SNOW 4 | 1 S Texarkana, TX | |
| Feb 25, 1:00 PM CST | FREEZING RAIN 0.1 | 3 Nw Mount Vernon, TX | |
| Feb 25, 1:00 PM CST | SNOW 2 | Arcadia, LA | |
| Feb 25, 1:00 PM CST | SNOW 2 | Idabel, OK |
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 12:00Z, 4.0 hours before the alert went out and 51 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.
- Mixed-layer CAPE
- 7 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 397 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
672 WWUS44 KSHV 241600 WSWSHV URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SHREVEPORT LA 1000 AM CST TUE FEB 24 2015 ARZ050-051-059>061-070>073-LAZ001>004-006-OKZ077-TXZ096-097- 108>112-124>126-136>138-250000- /O.UPG.KSHV.WS.A.0003.150225T0600Z-150226T0000Z/ /O.NEW.KSHV.WS.W.0004.150225T0600Z-150226T0000Z/ SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-UNION LA- MCCURTAIN-RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD- UPSHUR-MARION-SMITH-GREGG-HARRISON- INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE... PRESCOTT...TEXARKANA...LEWISVILLE...MAGNOLIA...EL DORADO... SHREVEPORT...BOSSIER CITY...MINDEN...HOMER...FARMERVILLE... IDABEL...CLARKSVILLE...MT VERNON...MT PLEASANT...PITTSBURG... DAINGERFIELD...ATLANTA...QUITMAN...GILMER...JEFFERSON...TYLER... LONGVIEW...MARSHALL 1000 AM CST TUE FEB 24 2015 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A WINTER STORM WARNING FOR SNOW UP TO 4 INCHES...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * EVENT...AN UPPER LEVEL TROUGH WILL BE APPROACHING THE REGION LATE TONIGHT BRINGING WITH IT A MIXTURE OF SLEET AND SNOW. DURING THE DAY WEDNESDAY...THE UPPER TROUGH WILL BE DIRECTLY OVERHEAD WITH MUCH OF THE PRECIPITATION CHANGING OVER FROM SLEET TO SNOW. SLEET ACCUMULATIONS SHOULD BE LESS THAN ONE QUARTER OF AN INCH WHILE SNOW ACCUMULATIONS AROUND 4 INCHES POSSIBLE. PRECIPITATION WILL MOVE EAST OF THE REGION LATE WEDNESDAY AFTERNOON. * TIMING...THE WINTER PRECIPITATION SHOULD BEGIN AFTER MIDNIGHT TONIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. * IMPACT...IMPACTS WILL BE CONFINED TO MAINLY ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES. IF THE SNOW COMES DOWN QUICKLY ENOUGH...THEN SURFACE STREETS WILL SEE ACCUMULATIONS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ LAZ005-014-250000- /O.UPG.KSHV.WS.A.0003.150225T0600Z-150226T0000Z/ /O.EXA.KSHV.WW.Y.0005.150225T0600Z-150226T0000Z/ LINCOLN-OUACHITA- INCLUDING THE CITIES OF...RUSTON...MONROE 1000 AM CST TUE FEB 24 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A WINTER WEATHER ADVISORY FOR SLEET AND SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * EVENT...AN UPPER LEVEL TROUGH WILL BE APPROACHING THE REGION LATE TONIGHT BRINGING WITH IT A MIXTURE OF SLEET AND SNOW. DURING THE DAY WEDNESDAY...PRECIPITATION WILL CHANGE OVER FROM SLEET TO MOSTLY SNOW. SLEET ACCUMULATIONS SHOULD BE LESS THAN ONE QUARTER OF AN INCH WHILE SNOW ACCUMULATIONS WILL VARY BETWEEN 1 TO 3 INCHES. PRECIPITATION WILL MOVE EAST OF THE REGION LATE WEDNESDAY AFTERNOON OR EARLY WEDNESDAY EVENING. * TIMING...THE WINTER PRECIPITATION SHOULD BEGIN AFTER MIDNIGHT TONIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. * IMPACT...IMPACTS WILL BE CONFINED TO MAINLY ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES. IF THE SNOW COMES DOWN QUICKLY ENOUGH...THEN SURFACE STREETS WILL SEE ACCUMULATIONS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER WEATHER ADVISORY FOR SLEET MEANS PERIODS OF SLEET ARE IMMINENT OR OCCURRING. SLEET MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS...SO BE PREPARED TO USE CAUTION WHEN TRAVELING. && $$ LAZ010>013-017>022-TXZ149>153-165>167-250000- /O.CON.KSHV.WW.Y.0005.150225T0600Z-150226T0000Z/ DE SOTO-RED RIVER-BIENVILLE-JACKSON-SABINE LA-NATCHITOCHES-WINN- GRANT-CALDWELL-LA SALLE-CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY- ANGELINA-SAN AUGUSTINE-SABINE TX- INCLUDING THE CITIES OF...MANSFIELD...COUSHATTA...BIENVILLE... JONESBORO...MANY...NATCHITOCHES...WINNFIELD...COLFAX...COLUMBIA... JENA...RUSK...HENDERSON...CARTHAGE...NACOGDOCHES...CENTER... LUFKIN...SAN AUGUSTINE...HEMPHILL 1000 AM CST TUE FEB 24 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... * EVENT...AN UPPER LEVEL TROUGH WILL BE APPROACHING THE REGION LATE TONIGHT BRINGING WITH IT A MIXTURE OF FREEZING RAIN... SLEET AND SNOW. DURING THE DAY WEDNESDAY...PRECIPITATION WILL CHANGE FROM SLEET TO MOSTLY SNOW. FREEZING RAIN AND SLEET ACCUMULATIONS WILL BE MAINLY LESS THAN ONE QUARTER OF AN INCH...WHILE SNOW ACCUMULATIONS COULD TOTAL 1 TO 2 INCHES BEFORE THE PRECIPITATION MOVES OUT OF THE REGION LATE WEDNESDAY AFTERNOON OR EARLY WEDNESDAY EVENING. * TIMING...THE WINTER PRECIPITATION SHOULD BEGIN AFTER MIDNIGHT TONIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. * IMPACT...IMPACTS WILL BE CONFINED TO MAINLY ELEVATED SURFACES INCLUDING BRIDGES AND OVERPASSES. IF THE SNOW COMES DOWN QUICKLY ENOUGH...THEN SOME SURFACE STREETS WILL SEE SLIGHT ACCUMULATIONS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
4 follow-up statements
314 WWUS44 KSHV 242122 WSWSHV URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SHREVEPORT LA 322 PM CST TUE FEB 24 2015 ARZ050-051-059>061-070>073-LAZ001>004-006-OKZ077-TXZ096-097- 108>112-124>126-136>138-250530- /O.CON.KSHV.WS.W.0004.150225T0600Z-150226T0000Z/ SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-UNION LA- MCCURTAIN-RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD- UPSHUR-MARION-SMITH-GREGG-HARRISON- INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE... PRESCOTT...TEXARKANA...LEWISVILLE...MAGNOLIA...EL DORADO... SHREVEPORT...BOSSIER CITY...MINDEN...HOMER...FARMERVILLE... IDABEL...CLARKSVILLE...MT VERNON...MT PLEASANT...PITTSBURG... DAINGERFIELD...ATLANTA...QUITMAN...GILMER...JEFFERSON...TYLER... LONGVIEW...MARSHALL 322 PM CST TUE FEB 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... * EVENT...AN UPPER-LEVEL LOW WILL BE APPROACHING THE REGION LATE TONIGHT BRINGING WITH IT A MIXTURE OF SLEET AND SNOW. SLEET ACCUMULATIONS SHOULD BE LESS THAN ONE QUARTER OF AN INCH WHILE SNOW ACCUMULATIONS AROUND 4 INCHES WILL BE POSSIBLE. PRECIPITATION WILL MOVE EAST OF THE REGION LATE WEDNESDAY AFTERNOON. * TIMING...THE WINTER PRECIPITATION SHOULD BEGIN AFTER MIDNIGHT TONIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. * IMPACT...IMPACTS WILL BE CONFINED TO MAINLY ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES. IF THE SNOW COMES DOWN QUICKLY ENOUGH...THEN SURFACE STREETS WILL SEE ACCUMULATIONS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ LAZ005-010>014-017>022-TXZ149>153-165>167-250530- /O.CON.KSHV.WW.Y.0005.150225T0600Z-150226T0000Z/ LINCOLN-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-SABINE LA- NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-CHEROKEE-RUSK-PANOLA- NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE-SABINE TX- INCLUDING THE CITIES OF...RUSTON...MANSFIELD...COUSHATTA... BIENVILLE...JONESBORO...MONROE...MANY...NATCHITOCHES... WINNFIELD...COLFAX...COLUMBIA...JENA...RUSK...HENDERSON... CARTHAGE...NACOGDOCHES...CENTER...LUFKIN...SAN AUGUSTINE... HEMPHILL 322 PM CST TUE FEB 24 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... * EVENT...AN UPPER-LOW LEVEL LOW WILL BE APPROACHING THE REGION LATE TONIGHT BRINGING WITH IT A MIXTURE OF SLEET AND SNOW. DURING THE DAY WEDNESDAY...PRECIPITATION WILL CHANGE OVER FROM SLEET TO MOSTLY SNOW. SLEET ACCUMULATIONS SHOULD BE LESS THAN ONE QUARTER OF AN INCH WHILE SNOW ACCUMULATIONS WILL VARY BETWEEN 1 TO 3 INCHES. PRECIPITATION WILL MOVE EAST OF THE REGION LATE WEDNESDAY AFTERNOON OR EARLY WEDNESDAY EVENING. * TIMING...THE WINTER PRECIPITATION SHOULD BEGIN AFTER MIDNIGHT TONIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. * IMPACT...IMPACTS WILL BE CONFINED TO MAINLY ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES. IF THE SNOW COMES DOWN QUICKLY ENOUGH...THEN SURFACE STREETS WILL SEE ACCUMULATIONS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SLEET MEANS PERIODS OF SLEET ARE IMMINENT OR OCCURRING. SLEET MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS...SO BE PREPARED TO USE CAUTION WHEN TRAVELING. && $$ 05
912 WWUS44 KSHV 250351 AAA WSWSHV URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE SHREVEPORT LA 951 PM CST TUE FEB 24 2015 LAZ005-010>014-019-021-TXZ151-251200- /O.UPG.KSHV.WW.Y.0005.150225T0600Z-150226T0000Z/ /O.EXA.KSHV.WS.W.0004.150225T0600Z-150226T0000Z/ LINCOLN-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-WINN- CALDWELL-PANOLA- INCLUDING THE CITIES OF...RUSTON...MANSFIELD...COUSHATTA... BIENVILLE...JONESBORO...MONROE...WINNFIELD...COLUMBIA...CARTHAGE 951 PM CST TUE FEB 24 2015 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A WINTER STORM WARNING FOR SLEET AND SNOW...WHICH IS IN EFFECT UNTIL 6 PM CST WEDNESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * EVENT...AN UPPER LOW LEVEL LOW PRESSURE SYSTEM WILL BE APPROACHING THE REGION LATE TONIGHT...RESULTING IN THE DEVELOPMENT OF AREAS OF LIGHT FREEZING RAIN AND SLEET. THIS PRECIPITATION WILL TRANSITION OVER TO SNOW BY MIDMORNING WEDNESDAY...SOME OF WHICH MAY BE HEAVY AT TIMES. FREEZING RAIN AND SLEET ACCUMULATIONS SHOULD BE NEAR ONE QUARTER OF AN INCH...WITH SNOW ACCUMULATIONS RANGING FROM THREE TO FIVE INCHES...WITH LOCALLY HEAVIER AMOUNTS. THE PRECIPITATION WILL DIMINISH FROM WEST TO EAST WEDNESDAY AFTERNOON. * TIMING...THE WINTER PRECIPITATION SHOULD BEGIN AFTER MIDNIGHT TONIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. * IMPACT...ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES WILL BE THE FIRST TO ACCUMULATE ICE. HEAVIER BANDS OF SLEET AND SNOW WILL RESULT IN ICY ROADWAYS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET...AND ICE ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ ARZ050-051-059>061-070>073-LAZ001>004-006-OKZ077-TXZ096-097- 108>112-124>126-136>138-251200- /O.CON.KSHV.WS.W.0004.150225T0600Z-150226T0000Z/ SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-UNION LA- MCCURTAIN-RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD- UPSHUR-MARION-SMITH-GREGG-HARRISON- INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE... PRESCOTT...TEXARKANA...LEWISVILLE...MAGNOLIA...EL DORADO... SHREVEPORT...BOSSIER CITY...MINDEN...HOMER...FARMERVILLE... IDABEL...CLARKSVILLE...MT VERNON...MT PLEASANT...PITTSBURG... DAINGERFIELD...ATLANTA...QUITMAN...GILMER...JEFFERSON...TYLER... LONGVIEW...MARSHALL 951 PM CST TUE FEB 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST WEDNESDAY... * EVENT...AN UPPER LOW LEVEL LOW PRESSURE SYSTEM WILL BE APPROACHING THE REGION LATE TONIGHT...RESULTING IN THE DEVELOPMENT OF AREAS OF LIGHT FREEZING RAIN AND SLEET. THIS PRECIPITATION WILL QUICKLY TRANSITION OVER TO SNOW AROUND DAYBREAK WEDNESDAY...SOME OF WHICH MAY BE HEAVY AT TIMES. FREEZING RAIN AND SLEET ACCUMULATIONS SHOULD BE LESS THAN ONE QUARTER OF AN INCH...WITH SNOW ACCUMULATIONS RANGING FROM THREE TO SIX INCHES...WITH LOCALLY HEAVIER AMOUNTS POSSIBLE....ESPECIALLY ACROSS EXTREME NORTHEAST TEXAS...SOUTHWEST ARKANSAS...AND MCCURTAIN COUNTY OKLAHOMA. THE PRECIPITATION WILL DIMINISH FROM WEST TO EAST WEDNESDAY AFTERNOON. * TIMING...THE WINTER PRECIPITATION SHOULD BEGIN AFTER MIDNIGHT TONIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. * IMPACT...ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES WILL BE THE FIRST TO ACCUMULATE ICE. HEAVIER BANDS OF SLEET AND SNOW WILL RESULT IN ICY ROADWAYS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ LAZ017-018-020-022-TXZ149-150-152-153-165>167-251200- /O.CON.KSHV.WW.Y.0005.150225T0600Z-150226T0000Z/ SABINE LA-NATCHITOCHES-GRANT-LA SALLE-CHEROKEE-RUSK-NACOGDOCHES- SHELBY-ANGELINA-SAN AUGUSTINE-SABINE TX- INCLUDING THE CITIES OF...MANY...NATCHITOCHES...COLFAX...JENA... RUSK...HENDERSON...NACOGDOCHES...CENTER...LUFKIN... SAN AUGUSTINE...HEMPHILL 951 PM CST TUE FEB 24 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST WEDNESDAY... * EVENT...AN UPPER LOW LEVEL LOW PRESSURE SYSTEM WILL BE APPROACHING THE REGION LATE TONIGHT...RESULTING IN THE DEVELOPMENT OF AREAS OF LIGHT FREEZING RAIN AND SLEET. THIS PRECIPITATION WILL QUICKLY TRANSITION OVER TO A MIXTURE OF SLEET SNOW SHORTLY AFTER DAYBREAK WEDNESDAY. FREEZING RAIN AND SLEET ACCUMULATIONS SHOULD BE LESS THAN ONE QUARTER OF AN INCH...WITH SNOW ACCUMULATIONS RANGING FROM ONE TO THREE INCHES. THE PRECIPITATION WILL DIMINISH FROM WEST TO EAST WEDNESDAY AFTERNOON. * TIMING...THE WINTER PRECIPITATION SHOULD BEGIN AFTER MIDNIGHT TONIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. * IMPACT...IMPACTS WILL BE CONFINED TO MAINLY ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES. IF THE SNOW COMES DOWN QUICKLY ENOUGH...THEN SURFACE STREETS WILL SEE ACCUMULATIONS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR FREEZING RAIN...SLEET...AND SNOW MEANS PERIODS OF FREEZING RAIN...SLEET...AND SNOW ARE IMMINENT OR OCCURRING. THIS ICY MIX MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS...SO BE PREPARED TO USE CAUTION WHEN TRAVELING. && $$ 15
063 WWUS44 KSHV 251004 WSWSHV URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SHREVEPORT LA 404 AM CST WED FEB 25 2015 ARZ050-051-059>061-070>073-LAZ001>006-010>014-019-021-OKZ077- TXZ096-097-108>112-124>126-136>138-151-260000- /O.CON.KSHV.WS.W.0004.000000T0000Z-150226T0000Z/ SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN- UNION LA-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-WINN- CALDWELL-MCCURTAIN-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD- UPSHUR-MARION-SMITH-GREGG-HARRISON-PANOLA- INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE... PRESCOTT...TEXARKANA...LEWISVILLE...MAGNOLIA...EL DORADO... SHREVEPORT...BOSSIER CITY...MINDEN...HOMER...RUSTON... FARMERVILLE...MANSFIELD...COUSHATTA...BIENVILLE...JONESBORO... MONROE...WINNFIELD...COLUMBIA...IDABEL...CLARKSVILLE... MT VERNON...MT PLEASANT...PITTSBURG...DAINGERFIELD...ATLANTA... QUITMAN...GILMER...JEFFERSON...TYLER...LONGVIEW...MARSHALL... CARTHAGE 404 AM CST WED FEB 25 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * EVENT...AN UPPER LEVEL TROUGH OF LOW PRESSURE ACROSS WEST TEXAS AND THE PANHANDLE WILL BE MOVING INTO THE REGION LATER TODAY. OUT AHEAD OF THE TROUGH...MIXED PRECIPITATION...MOSTLY IN THE FORM OF FREEZING RAIN AND SLEET EARLY THIS MORNING SHOULD TRANSITION OVER TO MOSTLY SNOW. FREEZING RAIN AMOUNTS ACROSS THE ENTIRE AREA THIS MORNING COULD REACH ONE QUARTER OF AN INCH WITH SLEET AMOUNTS MAINLY LESS THAN ONE HALF INCH. SNOW AMOUNTS WILL VARY WITH THE HIGHER TOTALS...3 TO 5 INCHES POSSIBLE ACROSS THE NORTHERN THIRD OF NORTHEAST TEXAS...SOUTHEAST OKLAHOMA AND SOUTHWEST ARKANSAS. FURTHER SOUTH ALONG AND NEAR THE INTERSTATE 20 CORRIDOR OF NORTHEAST TEXAS AND NORTHERN LOUISIANA...SNOW AMOUNTS SHOULD RANGE BETWEEN 1 INCH SOUTH OF THE INTERSTATE 20 CORRIDOR TO NEAR 4 INCHES NORTH OF THE CORRIDOR. * TIMING...THE WINTER PRECIPITATION IS ONGOING AT THIS TIME AND SHOULD EXIT THE REGION LATE THIS AFTERNOON OR EARLY THIS EVENING. * IMPACT...ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES WILL BE THE FIRST TO ACCUMULATE ICE. HEAVIER BANDS OF SLEET AND SNOW WILL RESULT IN ICY ROADWAYS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR FREEZING RAIN...SLEET AND SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED TO DEVELOP. SIGNIFICANT AMOUNTS OF SNOW AND FREEZING RAIN ARE FORECAST FOR PORTIONS OF THE REGION AND THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. && $$ LAZ017-018-020-022-TXZ149-150-152-153-165>167-260000- /O.CON.KSHV.WW.Y.0005.000000T0000Z-150226T0000Z/ SABINE LA-NATCHITOCHES-GRANT-LA SALLE-CHEROKEE-RUSK-NACOGDOCHES- SHELBY-ANGELINA-SAN AUGUSTINE-SABINE TX- INCLUDING THE CITIES OF...MANY...NATCHITOCHES...COLFAX...JENA... RUSK...HENDERSON...NACOGDOCHES...CENTER...LUFKIN... SAN AUGUSTINE...HEMPHILL 404 AM CST WED FEB 25 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * EVENT...AN UPPER LEVEL TROUGH OF LOW PRESSURE ACROSS WEST TEXAS AND THE PANHANDLE WILL BE MOVING INTO THE REGION LATER TODAY. OUT AHEAD OF THE TROUGH...A COLD RAIN HAS BEEN OBSERVED ACROSS THE ADVISORY AREA EARLY THIS MORNING. AS THE UPPER LEVEL TROUGH GETS CLOSER TO THE REGION...A CHANGE OVER TO FREEZING RAIN... SLEET AND OR SNOW IS EXPECTED LATER TODAY. LOOK FOR FREEZING RAIN AND SLEET ACCUMULATIONS LESS THAN ONE QUARTER OF AN INCH WITH SNOW AMOUNTS MAINLY LESS THAN 2 INCHES. * TIMING...THE WINTER PRECIPITATION SHOULD BEGIN BY MID MORNING WITH THE PRECIPITATION EXPECTED TO MOVE EAST OF THE REGION LATER THIS AFTERNOON OR EARLY THIS EVENING. * IMPACT...IMPACTS WILL BE CONFINED TO MAINLY ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR FREEZING RAIN...SLEET...AND SNOW MEANS PERIODS OF FREEZING RAIN...SLEET...AND SNOW ARE EXPECTED. THIS ICY MIX MAY CAUSE DRIVING TO BECOME EXTREMELY DANGEROUS... SO BE PREPARED TO USE CAUTION WHEN TRAVELING. && $$ 13
778 WWUS44 KSHV 252212 WSWSHV URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SHREVEPORT LA 412 PM CST WED FEB 25 2015 ...A WINTER WEATHER ADVISORY WILL REMAIN IN EFFECT FOR PARTS OF SOUTHWEST AND SOUTH CENTRAL ARKANSAS UNTIL 6 PM CST... .AND UPPER LEVEL TROUGH OF LOW PRESSURE OVER SOUTH ARKANSAS AND NORTH LOUISIANA MOVING EAST WILL PROVIDE A CHANCE OF SNOW THROUGH THE EARLY EVENING. ARZ050-051-059>061-072-073-260000- /O.CAN.KSHV.WS.W.0004.000000T0000Z-150226T0000Z/ /O.NEW.KSHV.WW.Y.0006.150225T2212Z-150226T0000Z/ SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-COLUMBIA-UNION AR- INCLUDING THE CITIES OF...DE QUEEN...NASHVILLE...ASHDOWN...HOPE... PRESCOTT...MAGNOLIA...EL DORADO 412 PM CST WED FEB 25 2015 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH WILL BE IN EFFECT UNTIL 6 PM CST THIS EVENING...FOR PARTS OF SOUTHWEST AND SOUTH CENTRAL ARKANSAS. THE WINTER STORM WARNING HAS BEEN CANCELED FOR THIS AREA. * EVENT...AN UPPER LEVEL TROUGH OF LOW PRESSURE ACROSS SOUTH ARKANSAS AND NORTH LOUISIANA WILL CONTINUE MOVING EAST TONIGHT. ALONG AND AHEAD OF THE TROUGH OF LOW PRESSURE SNOW CONTINUED TO DEVELOP AND SPREAD TO THE NORTHEAST. ADDITIONAL AMOUNTS WILL BE LESS THAN ONE INCH AND THE SNOW WILL DECREASE SIGNIFICANTLY AS THE TROUGH SHIFTS EAST AWAY FROM THE AREA. * TIMING...THROUGH 6 PM CST. * IMPACT...ELEVATED AND EXPOSED SURFACES INCLUDING BRIDGES AND OVERPASSES CAN SEE A SLIGHT ACCUMULATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ ARZ070-071-LAZ001>006-010>014-019-021-OKZ077-TXZ096-097-108>112- 124>126-136>138-151-252315- /O.CAN.KSHV.WS.W.0004.000000T0000Z-150226T0000Z/ MILLER-LAFAYETTE-CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN-UNION LA- DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-WINN-CALDWELL- MCCURTAIN-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR- MARION-SMITH-GREGG-HARRISON-PANOLA- INCLUDING THE CITIES OF...TEXARKANA...LEWISVILLE...SHREVEPORT... BOSSIER CITY...MINDEN...HOMER...RUSTON...FARMERVILLE... MANSFIELD...COUSHATTA...BIENVILLE...JONESBORO...MONROE... WINNFIELD...COLUMBIA...IDABEL...CLARKSVILLE...MT VERNON... MT PLEASANT...PITTSBURG...DAINGERFIELD...ATLANTA...QUITMAN... GILMER...JEFFERSON...TYLER...LONGVIEW...MARSHALL...CARTHAGE 412 PM CST WED FEB 25 2015 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS CANCELED THE WINTER STORM WARNING FOR SOUTHEAST OKLAHOMA...EAST AND NORTHEAST TEXAS AND NORTHWEST AND NORTH CENTRAL LOUISIANA. THE UPPER LEVEL TROUGH OF LOW PRESSURE HAS SHIFTED INTO SOUTH ARKANSAS AND NORTH LOUISIANA AND THE PRECIPITATION ASSOCIATED WITH IT HAD DROPPED OF SIGNIFICANTLY...WITH ONLY LITTLE CHANCE OF ADDITIONAL SNOW. OVERNIGHT THE LOW TEMPERATURES WILL DROP TO NEAR AND BELOW FREEZING AND WILL FREEZE ANY MOISTURE LEFT ON THE BRIDGES AND OVERPASSES WITH A LESSER AMOUNT FOR THE ROADWAYS DUE SOME GROUND WARM TEMPERATURES. $$ LAZ017-018-020-022-TXZ149-150-152-153-165>167-252315- /O.CAN.KSHV.WW.Y.0005.000000T0000Z-150226T0000Z/ SABINE LA-NATCHITOCHES-GRANT-LA SALLE-CHEROKEE-RUSK-NACOGDOCHES- SHELBY-ANGELINA-SAN AUGUSTINE-SABINE TX- INCLUDING THE CITIES OF...MANY...NATCHITOCHES...COLFAX...JENA... RUSK...HENDERSON...NACOGDOCHES...CENTER...LUFKIN... SAN AUGUSTINE...HEMPHILL 412 PM CST WED FEB 25 2015 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS CANCELED THE WINTER WEATHER ADVISORY FOR PARTS OF LOWER EAST TEXAS AND NORTHWEST AND NORTH CENTRAL LOUISIANA. THE UPPER LEVEL TROUGH OF LOW PRESSURE HAS SHIFTED INTO SOUTH ARKANSAS AND NORTH LOUISIANA AND THE PRECIPITATION ASSOCIATED WITH IT HAD DROPPED OF SIGNIFICANTLY...WITH ONLY LITTLE CHANCE OF ADDITIONAL SNOW. OVERNIGHT THE LOW TEMPERATURES WILL DROP TO NEAR AND BELOW FREEZING AND WILL FREEZE ANY MOISTURE LEFT ON THE BRIDGES AND OVERPASSES WITH A LESSER AMOUNT FOR THE ROADWAYS DUE SOME GROUND WARM TEMPERATURES. $$ 06
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 24, 6:03 AM CST, 3 hours 57 minutes earlier.
Area forecast discussion, Feb 24, 6:03 AM CST, 3 hours 57 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
603 AM CST TUE FEB 24 2015
.AVIATION...
FOR THE 24/12Z TAFS...A VERY LIGHT BAND OF FREEZING DRIZZLE IS
MOVING THROUGH KSHV AT THE TIME OF THIS DISCUSSION. THE FZDZ IS
VERY FINE...THUS SFC OBS OF BR ALONG THE I-20 CORRIDOR IS LIKELY
THIS FZDZ...SO HAVE INCLUDED TEMPO GROUPS AT KSHV/KGGG/KTYR AT THE
START OF THE PERIOD. CIGS ARE A MIX OF MVFR/IFR AND SHOULD SLOWLY
RISE THROUGH THE DAYTIME HRS WITH MANY LOCATIONS IMPROVING INTO AT
LEAST THE LOW END OF VFR. ANOTHER STRONG UPPER TROUGH WILL MOVE
ACROSS THE SRN PLAINS TONIGHT WHICH WILL LIKELY LEAD TO ANOTHER
ROUND OF WIDESPREAD WINTRY PRECIP ACROSS THE REGION BEGINNING LATE
IN THE TAF PERIOD AND CONTINUING INTO WEDNESDAY MORNING. /09/
&&
.PREV DISCUSSION... /ISSUED 602 AM CST TUE FEB 24 2015/
UPDATE...
SENT A QUICK UPDATE TO ACCOUNT FOR PATCHY FREEZING DRIZZLE OR SNOW
FLURRIES THIS MORNING. OTHERWISE...NO OTHER CHANGES WERE
NECESSARY.
13
PREV DISCUSSION... /ISSUED 510 AM CST TUE FEB 24 2015/
DISCUSSION...
AFTER SIGNIFICANT ACCUMULATIONS OF MOSTLY SLEET THAT FELL ACROSS
PORTIONS OF THE REGION ON MONDAY...IT APPEARS THAT THE FOUR STATE
REGION COULD BE IN STORE FOR MORE WINTER PRECIPITATION BEGINNING
LATE TONIGHT THROUGH THE DAY WEDNESDAY.
THE CULPRIT THIS TIME IS A CLOSED UPPER TROUGH WHICH ON WATER
VAPOR IMAGERY WAS SPINNING ACROSS THE FOUR CORNERS REGION. THIS
SYSTEM IS EXPECTED TO OPEN UP AND EVEN TAKE A SLIGHTLY NEGATIVE
TILT LATE TONIGHT THROUGH WEDNESDAY AS IT SWINGS ACROSS THE TX
HILL COUNTRY AND INTO THE LOWER MISS VALLEY. AT THE SURFACE...A
STRONG RIDGE AXIS CONTINUES TO DOMINATE THE SOUTHERN PLAINS...
INTO THE TENN VALLEY AND THIS RIDGE WILL BE DIRECTLY OVHD TONIGHT
THROUGH WEDNESDAY. SHORT TERM PROGS ARE IN DESCENT AGREEMENT WITH
THE EJECTION OF THIS UPPER TROUGH AXIS OVERNIGHT THROUGH WEDNESDAY
AND ALL MODELS SUPPORT MIXED PRECIPITATION EARLY ON DURING THE
EVENT...MIDNIGHT THROUGH SUNRISE WEDNESDAY MORNING. AS THE UPPER
TROUGH GETS CLOSER TO OUR REGION...WE COOL SIGNIFICANTLY ALOFT...
ESPECIALLY IN THE 850-700MB LAYER WITH TEMPERATURES NEAR 0C IN
THIS LAYER AT 12Z WED COOLING TO -4 TO -7C BY 18Z WED. WHAT THIS
MEANS IS THAT ANY MIXED PRECIPITATION EARLY ON DURING THE EVENT
SHOULD QUICKLY CHANGE OVER TO SNOW AFTER SUNRISE WEDNESDAY
MORNING.
AFTER COORDINATING WITH OUR SURROUNDING WFOS...WE HAVE DECIDED TO
GO WITH A WINTER STORM WATCH...ROUGHLY ALONG AND NORTH OF THE I-20
CORRIDOR OF NORTHEAST TEXAS AND NORTHERN LOUISIANA...BEGINNING THE
WATCH AT 06Z WED AND RUNNING IT THROUGH 00Z THU. SOUTH OF THE
CORRIDOR...WE HAVE POSTED A WINTER WEATHER ADVISORY FOR THE SAME
TIME PERIOD. CONFIDENCE IS HIGHER THAT WE COULD SEE WINTER STORM
WARNING CRITERIA OF 4 INCHES ACROSS PORTIONS OF SOUTHWEST ARKANSAS...
SOUTHEAST OKLAHOMA AND THE NORTHERN THIRD OF NORTHEAST TEXAS FOR
THE EVENT WITH LESSER TOTALS THE FURTHER SOUTH YOU GET OF THIS
REGION. WANTED TO GIVE THE DAY SHIFT TODAY ONE LAST LOOK AT THE
NEW 12Z MODEL OUTPUT TODAY BEFORE UPGRADING THE WATCH BUT ATTM...
IT APPEARS LIKE WINTER WEATHER ADVISORY CRITERIA ALONG THE I-20
CORRIDOR OF NORTHEAST TEXAS AND NORTHERN LOUISIANA WITH SNOW
AMOUNTS OF 1 TO 2 INCHES POSSIBLE.
THE SYSTEM EXITS THE REGION QUICKLY LATE WED AFTN OR WED EVENING
WITH A WEST OR WNW FLOW ALOFT PATTERN IN THE WAKE OF THE TROUGH.
WILL NEED TO WATCH THIS FLOW BY THE END OF THE WORK WEEK AS WE
COULD SEE ANOTHER WINTER MIX LATE FRIDAY INTO FRIDAY NIGHT BEFORE
WE BEGIN TO WARM ENOUGH IN THE LOWER LEVELS FOR JUST A CHANCE OF
SHOWERS FOR SATURDAY. UPPER FLOW TO BECOME SOUTHWEST ALOFT FOR
SUNDAY THROUGH THE EARLY PART OF THE NEXT WORK WEEK AS ANOTHER
DEEP UPPER LEVEL TROUGH MOVES OUT OF THE PACIFIC NORTHWEST AND
CUTS OFF NEAR THE BAJA REGION. THIS FLOW WILL KEEP US IN AN
INCREASED CHANCE OF SHOWERS AND THUNDERSTORMS SUNDAY THROUGH EARLY
NEXT WEEK.
THANKS FOR THE COORDINATION THIS MORNING FWD...TSA...LZK...JAN...
LCH AND HGX.
13
&&
.PRELIMINARY POINT TEMPS/POPS...
SHV 37 31 34 29 44 / 10 50 80 10 10
MLU 36 31 33 28 41 / 10 30 80 10 10
DEQ 34 27 33 28 38 / 10 30 80 10 10
TXK 35 29 33 28 40 / 10 50 80 10 10
ELD 35 29 33 28 40 / 10 30 80 10 10
TYR 36 30 35 30 48 / 10 60 80 10 10
GGG 37 30 35 30 46 / 10 60 80 10 10
LFK 41 33 37 31 49 / 10 60 80 10 10
&&
.SHV WATCHES/WARNINGS/ADVISORIES...
AR...WINTER STORM WATCH FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON
FOR THE FOLLOWING ZONES: ARZ050-051-059>061-070>073.
LA...WINTER STORM WATCH FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON
FOR THE FOLLOWING ZONES: LAZ001>006-014.
WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO 6 PM CST
WEDNESDAY FOR THE FOLLOWING ZONES: LAZ010>013-017>022.
OK...WINTER STORM WATCH FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON
FOR THE FOLLOWING ZONES: OKZ077.
TX...WINTER STORM WATCH FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON
FOR THE FOLLOWING ZONES: TXZ096-097-108>112-124>126-136>138.
WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO 6 PM CST
WEDNESDAY FOR THE FOLLOWING ZONES: TXZ149>153-165>167.
&&
09/13Hazardous weather outlook, Feb 24, 5:24 AM CST, 4 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 524 AM CST TUE FEB 24 2015 ARZ050-051-059>061-070>073-LAZ001>006-014-OKZ077-TXZ096-097- 108>112-124>126-136>138-241800- SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN- UNION LA-OUACHITA-MCCURTAIN-RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP- MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG-HARRISON- 524 AM CST TUE FEB 24 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ARKANSAS...SOUTHWEST ARKANSAS...NORTH CENTRAL LOUISIANA... NORTHWEST LOUISIANA...SOUTHEAST OKLAHOMA AND NORTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT... A WINTER STORM WATCH IS IN EFFECT BEGINNING MIDNIGHT TONIGHT THROUGH 6 PM WEDNESDAY FOR ADDITIONAL WINTER PRECIPITATION. AN UPPER LEVEL TROUGH WILL BE APPROACHING THE REGION LATE TONIGHT BRINGING WITH IT A MIXTURE OF SLEET AND SNOW. SOME SLIGHT ACCUMULATIONS WILL BE POSSIBLE BETWEEN MIDNIGHT TONIGHT THROUGH 6 AM WEDNESDAY MORNING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... DURING THE DAY WEDNESDAY...THE UPPER TROUGH WILL BE DIRECTLY OVERHEAD WITH MUCH OF THE PRECIPITATION CHANGING OVER TO MOSTLY SNOW. SLEET ACCUMULATIONS SHOULD BE LESS THAN ONE QUARTER OF AN INCH WHILE SNOW ACCUMULATIONS WILL VARY. ACROSS THE NORTHERN THIRD OF NORTHEAST TEXAS...SOUTHEAST OKLAHOMA AND SOUTHWEST ARKANSAS... SNOW ACCUMULATIONS COULD TOTAL 3 TO 4 INCHES. FURTHER SOUTH ALONG THE INTERSTATE 20 CORRIDOR OF NORTHEAST TEXAS AND NORTHERN LOUISIANA...SNOW ACCUMULATIONS OF 1 TO 2 INCHES WILL BE POSSIBLE BEFORE THE PRECIPITATION MOVES EAST OF THE REGION LATE WEDNESDAY AFTERNOON OR EARLY WEDNESDAY EVENING. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS...AND STORM SPOTTERS WILL NOT BE NEEDED. LAZ010>013-017>022-TXZ149>153-165>167-241800- DE SOTO-RED RIVER-BIENVILLE-JACKSON-SABINE LA-NATCHITOCHES-WINN- GRANT-CALDWELL-LA SALLE-CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY- ANGELINA-SAN AUGUSTINE-SABINE TX- 524 AM CST TUE FEB 24 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL LOUISIANA...NORTHWEST LOUISIANA...EAST TEXAS AND NORTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT... A WINTER WEATHER ADVISORY IS IN EFFECT BEGINNING MIDNIGHT TONIGHT THROUGH 6 PM WEDNESDAY FOR ADDITIONAL WINTER PRECIPITATION. AN UPPER LEVEL TROUGH WILL BE APPROACHING THE REGION LATE TONIGHT BRINGING WITH IT A MIXTURE OF FREEZING RAIN...SLEET AND SOME SNOW. SOME SLIGHT ACCUMULATIONS WILL BE POSSIBLE BETWEEN MIDNIGHT TONIGHT THROUGH 6 AM WEDNESDAY MORNING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... DURING THE DAY WEDNESDAY...THE UPPER TROUGH WILL BE DIRECTLY OVERHEAD WITH MUCH OF THE PRECIPITATION CHANGING OVER TO MOSTLY SNOW. FREEZING RAIN AND SLEET ACCUMULATIONS WILL BE MAINLY LESS THAN ONE QUARTER OF AN INCH...WHILE SNOW ACCUMULATIONS COULD TOTAL NEAR ONE INCH TO NEAR TWO INCHES BEFORE THE PRECIPITATION MOVES OUT OF THE REGION LATE WEDNESDAY AFTERNOON OR EARLY WEDNESDAY EVENING. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS...AND STORM SPOTTERS WILL NOT BE NEEDED. 13
In the hours before
Local storm report, Feb 24, 4:13 AM CST, 5 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
413 AM CST TUE FEB 24 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 PM SLEET 3 WSW SHREVEPORT 32.45N 93.84W
02/23/2015 M0.8 INCH CADDO LA NWS OFFICE
&&
EVENT NUMBER SHV1500032
09Local storm report, Feb 24, 4:14 AM CST, 5 hours 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
414 AM CST TUE FEB 24 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0803 PM FREEZING RAIN 1 NE NATCHITOCHES 31.76N 93.09W
02/23/2015 M0.10 INCH NATCHITOCHES LA CO-OP OBSERVER
&&
EVENT NUMBER SHV1500033
09Local storm report, Feb 24, 4:18 AM CST, 5 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SHREVEPORT LA
418 AM CST TUE FEB 24 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0900 AM FREEZING RAIN 6 N LEWISVILLE 33.45N 93.58W
02/23/2015 E0.00 INCH LAFAYETTE AR PUBLIC
MODERATE SLEET JUST STARTING TO ACCUMULATE
0930 AM SLEET MARSHALL 32.54N 94.35W
02/23/2015 E0.5 INCH HARRISON TX NWS EMPLOYEE
MODERATE SLEET FOR ABOUT 10 MINS. LIGHT ACCUMULATIONS
IN ELECATED SURFACES SO FAR.
1142 AM SLEET 1 WNW WHITE OAK 32.54N 94.87W
02/23/2015 E1.0 INCH GREGG TX TRAINED SPOTTER
SLEET HAS BEEN ONGOING FOR OVER 2 HOURS
1200 PM SLEET 3 WSW LINDALE 32.49N 95.46W
02/23/2015 E0.5 INCH SMITH TX PUBLIC
1230 PM SLEET 6 SSW NOONDAY 32.17N 95.44W
02/23/2015 M0.2 INCH SMITH TX PUBLIC
MEASURED AT EMERALD BAY GOLF COURSE
0100 PM SLEET 3 ENE LONGVIEW 32.53N 94.72W
02/23/2015 E1.0 INCH GREGG TX NWS EMPLOYEE
ROADS ARE COVERED IN SLEET. SLEETING FOR ALMOST 4
HOURS.
0115 PM SLEET 2 ENE BLANCHARD 32.60N 93.85W
02/23/2015 E1.0 INCH CADDO LA PUBLIC
HEAVY SLEET AT TIMES SOMETIMES MIXED WITH SNOW.
0150 PM SLEET 5 W TYLER 32.34N 95.39W
02/23/2015 M0.5 INCH SMITH TX TRAINED SPOTTER
0200 PM SLEET 5 SSE SHREVEPORT 32.40N 93.78W
02/23/2015 M1.0 INCH CADDO LA CO-OP OBSERVER
0200 PM SLEET 2 NE MONROE 32.53N 92.07W
02/23/2015 E0.4 INCH OUACHITA LA PUBLIC
0200 PM SLEET 8 SE SHREVEPORT 32.38N 93.72W
02/23/2015 E0.5 INCH CADDO LA NWS EMPLOYEE
ALONG ELLERBE RD IN SE SHREVEPORT
0315 PM SLEET NE RINGGOLD 32.33N 93.28W
02/23/2015 E1.3 INCH BIENVILLE LA TRAINED SPOTTER
SLEET STILL FALLING
0415 PM SLEET 3 N LONGVIEW 32.57N 94.76W
02/23/2015 E1.0 INCH GREGG TX TRAINED SPOTTER
TOTAL 6 HOUR SLEET ACCUMULATION
0803 PM FREEZING RAIN 1 NE NATCHITOCHES 31.76N 93.09W
02/23/2015 M0.10 INCH NATCHITOCHES LA CO-OP OBSERVER
1100 PM SLEET 3 WSW SHREVEPORT 32.45N 93.84W
02/23/2015 M0.8 INCH CADDO LA NWS OFFICE
&&
EVENT NUMBER SHV1500030 SHV1500031 SHV1500044 SHV1500043 SHV1500042
SHV1500041 SHV1500040 SHV1500039 SHV1500036 SHV1500037 SHV1500038
SHV1500035 SHV1500034 SHV1500033 SHV1500032
09The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 4:36 AM CST | Winter Storm Watch | SHV | Bossier, Caddo, Claiborne, Lincoln, Ouachita, Union and 1 more | 5 hr |
| Feb 24, 4:36 AM CST | Winter Weather Advisory | SHV | Bienville, Caldwell, De Soto, Grant, Jackson, LaSalle and 6 more | 36 hr |
| Feb 24, 6:14 AM CST | River Flood Warning | SHV | Franklin, Morris, Red River, Titus | 37 hr |
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.