Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 49, NWS Shreveport, LA

May 25, 2015Harrison County, Panola County, Texas; Caddo Parish, De Soto Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at May 25, 2015, 7:36 PM CDT for Harrison County, Panola County, Texas; Caddo Parish, De Soto Parish, Louisiana. It was in force for 39 min. 12 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 25, 2015, 7:36 PM CDT (00:36 UTC)
Expired
May 25, 2015, 8:15 PM CDT
In force
39 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Caddo Parish, LA, De Soto Parish, LA, Harrison County, TX, Panola County, TX

The radar

The Shreveport radar (KSHV), 14 km from the middle of the area, began a volume at 00:38 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
May 25, 7:52 PM CDTTSTM WND DMG5 Ssw Greenwood, LATREE DOWN ON MOBILE HOME.
May 25, 8:10 PM CDTTSTM WND GST 70Shreveport, LA
May 25, 8:12 PM CDTTSTM WND DMG6 Nnw Stonewall, LATREE FELL ON A HOUSE ON BOXWOOD DRIVE
May 25, 8:12 PM CDTTSTM WND DMG6 S Shreveport, LATREE DOWN ACROSS THE ROAD.
May 25, 8:12 PM CDTTSTM WND DMG6 S Shreveport, LATREE ON A HOUSE.
May 25, 8:12 PM CDTTSTM WND DMG6 S Shreveport, LATREES DOWN BLOCKING THE ROAD.
May 25, 8:12 PM CDTTSTM WND DMG6 S Shreveport, LAHALF OF ROOF BLOWN OFF.
May 25, 8:12 PM CDTTSTM WND GST 755 Sse Shreveport, LA
May 25, 8:13 PM CDTTSTM WND DMGShreveport, LAROOF DAMAGE TO DENNYS ON MANSFIELD ROAD... PART OF ROOF IN PARKING AREA
May 25, 8:15 PM CDTTSTM WND DMGShreveport, LASEVERAL LARGE TREE LIMBS EST 20 FEET LONG DOWN ON PINE GROVE STREET IN SOUTHWEST SHREVEPORT
May 25, 8:16 PM CDTTSTM WND GST 657 Sse Shreveport, LA
May 25, 8:17 PM CDTTSTM WND DMGShreveport, LALARGE TREE FELL ON HOME IN 10000BLOCK OF WINDING RIDGE ROAD IN ELLERBE AREA SHREVEPORT... CAUSING SIGNIFICANT DAMAGE TO THE HOME

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 25, 2:52 PM CDTTornado WatchSPC8 hr
May 25, 5:51 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 0.6 hours before the alert went out and 17 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 2015-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2131 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2015-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.19395878Sfc1 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
2131 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1156 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
1.6
Supercell composite
16.9

Open this sounding in Storm Lab

The text

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

406 
WFUS54 KSHV 260036
TORSHV
LAC017-031-TXC203-365-260115-
/O.NEW.KSHV.TO.W.0049.150526T0036Z-150526T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
736 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN CADDO PARISH IN NORTHWESTERN LOUISIANA...
  NORTHWESTERN DE SOTO PARISH IN NORTHWESTERN LOUISIANA...
  SOUTHEASTERN HARRISON COUNTY IN NORTHEASTERN TEXAS...
  NORTHEASTERN PANOLA COUNTY IN NORTHEASTERN TEXAS...

* UNTIL 815 PM CDT
    
* AT 735 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR DEBERRY...OR 11 MILES NORTH OF CARTHAGE...
  MOVING EAST NORTHEAST AT 40 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  DEBERRY AROUND 740 PM CDT.
  ELYSIAN FIELDS AROUND 745 PM CDT.
  WASKOM AROUND 755 PM CDT.
  GREENWOOD AROUND 800 PM CDT.
  SHREVEPORT AND BOSSIER CITY AND STONEWALL AROUND 815 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
FRONT...GLOSTER...KEACHI...REEDS STORE...FORBING...MIDYETT...
KEITHVILLE...KEAT CHIE...DEADWOOD AND FRIERSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3244 9435 3254 9376 3251 9372 3243 9368
      3242 9369 3240 9369 3239 9366 3224 9359
      3224 9361 3220 9359 3219 9356 3217 9355
      3209 9432
TIME...MOT...LOC 0035Z 237DEG 39KT 3230 9427 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

06
1 follow-up statement
946 
WWUS54 KSHV 260102
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
802 PM CDT MON MAY 25 2015

TXC203-365-260111-
/O.CAN.KSHV.TO.W.0049.000000T0000Z-150526T0115Z/
HARRISON TX-PANOLA TX-
802 PM CDT MON MAY 25 2015

...THE TORNADO WARNING FOR SOUTHEASTERN HARRISON AND NORTHEASTERN
PANOLA COUNTIES IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT 
OF THE WARNED AREA. **! THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR NORTHWESTERN
LOUISIANA.

LAT...LON 3230 9404 3245 9404 3254 9376 3253 9375
      3251 9372 3243 9368 3242 9369 3240 9369
      3239 9366 3233 9363
TIME...MOT...LOC 0101Z 252DEG 36KT 3238 9390 

$$

LAC017-031-260115-
/O.CON.KSHV.TO.W.0049.000000T0000Z-150526T0115Z/
CADDO LA-DE SOTO LA-
802 PM CDT MON MAY 25 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
SOUTHWESTERN CADDO AND NORTHERN DE SOTO PARISHES...
    
AT 801 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR GREENWOOD...OR 
8 MILES SOUTHWEST OF SHREVEPORT...MOVING EAST AT 40 MPH. WILL CROSS 
SOUTH SHREVEPORT AND A ROPE TORNADO WAS SPOTTED 5 MILES SOUTH OF 
GREENWOOD LOUISIANA.

HAZARD...DAMAGING TORNADO. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHWESTERN CADDO AND NORTHERN DE SOTO PARISHES...INCLUDING THE
FOLLOWING LOCATIONS...SPRING RIDGE...FORBING...ROBSON...KEITHVILLE
AND CROSS LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3230 9404 3245 9404 3254 9376 3253 9375
      3251 9372 3243 9368 3242 9369 3240 9369
      3239 9366 3233 9363
TIME...MOT...LOC 0101Z 252DEG 36KT 3238 9390 

TORNADO...OBSERVED
HAIL...<.75IN

$$

06

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:04 PM CDTTornado WarningSHVGregg, Harrison, Panola, Rusk56 min
May 25, 7:23 PM CDTFlash Flood WarningSHVHarrison, Marion, Panola4 hr
May 25, 7:26 PM CDTFlash Flood WarningSHVAngelina, Nacogdoches, San Augustine, Shelby4 hr
May 25, 7:27 PM CDTSevere Thunderstorm WarningSHVAngelina, Cass, Gregg, Harrison, Marion, Nacogdoches and 6 more63 min
May 25, 8:30 PM CDTSevere Thunderstorm WarningSHVAngelina, Nacogdoches, Sabine, San Augustine, Shelby60 min
May 25, 9:29 PM CDTRiver Flood WarningSHVSmith, Upshur, Wood15 days
May 25, 9:29 PM CDTRiver Flood WarningSHVGregg, Smith, Upshur, Wood19 days
May 26, 6:33 AM CDTRiver Flood WarningSHVGregg59 hr
May 26, 8:58 AM CDTRiver Flood WarningSHVGregg, Rusk20 days
May 26, 8:58 AM CDTRiver Flood WarningSHVGregg, Harrison, Panola, Rusk9 days
May 26, 3:09 PM CDTRiver Flood WarningSHVSabine, San Augustine52 hr
May 25, 7:04 PM CDTSevere Thunderstorm WarningSHVBienville, Natchitoches, Winn56 min
May 25, 7:07 PM CDTTornado WarningSHVBienville, Jackson, Natchitoches, Winn38 min
May 25, 8:08 PM CDTSpecial Weather StatementSHVLincoln52 min
May 25, 8:10 PM CDTTornado WarningSHVBossier, Caddo, De Soto44 min
May 25, 8:14 PM CDTFlash Flood WarningSHVBossier, Caddo, De Soto4 hr
May 25, 8:26 PM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Caddo, Claiborne, De Soto, Natchitoches and 2 more64 min
May 25, 8:33 PM CDTTornado WarningSHVBienville, Bossier, Caddo, Webster42 min
May 25, 9:05 PM CDTTornado WarningSHVNatchitoches, Red River, Winn40 min
May 25, 9:22 PM CDTSevere Thunderstorm WarningSHVBienville, Caldwell, Claiborne, Jackson, Lincoln, Natchitoches and 4 more53 min
May 25, 10:05 PM CDTSevere Thunderstorm WarningSHVCaldwell, Jackson, Lincoln, Ouachita, Union, Winn40 min
May 25, 10:44 PM CDTSevere Thunderstorm WarningSHVCaldwell, Jackson, LaSalle, Ouachita, Union, Winn31 min
May 26, 6:13 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Sabine47 min

Nearby

Tornado Warnings in Texas, 2015Tornado Warnings in Louisiana, 2015Every tornado warning in 2015Tornadoes 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.