Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 38, NWS Shreveport, LA

April 2, 2017Harrison County, Panola County, Texas; Caddo Parish, De Soto Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 2, 2017, 1:02 PM CDT for Harrison County, Panola County, Texas; Caddo Parish, De Soto Parish, Louisiana. It was in force for 43 min. 3 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
Apr 2, 2017, 1:02 PM CDT (18:02 UTC)
Expired
Apr 2, 2017, 1:45 PM CDT
In force
43 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

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

The radar

The Shreveport radar (KSHV), 45 km from the middle of the area, began a volume at 18:03 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
Apr 2, 1:03 PM CDTTSTM WND DMG5 Nnw Gary City, TXPUBLIC REPORTS RIPPED OFF ROOF, DAMAGED HORSE BARN, PULLED POWER LINES, AND SNAPPED TREES 5 MILES EAST OF CLAYTON,TX.
Apr 2, 1:45 PM CDTTSTM WND DMG3 Ene Carthage, TXHANGER BLOWN DOWN.
Apr 2, 1:47 PM CDTHAIL 1Gary City, TX.

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
Apr 2, 10:39 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 6.0 hours before the alert went out and 54 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 12:00Z on 2017-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 12:00Z on 2017-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
25 J/kg
Mixed-layer CIN
-354 J/kg
Mixed-layer LCL
1030 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

276 
WFUS54 KSHV 021802
TORSHV
LAC017-031-TXC203-365-021845-
/O.NEW.KSHV.TO.W.0038.170402T1802Z-170402T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
102 PM CDT SUN APR 2 2017

The National Weather Service in Shreveport has issued a

* Tornado Warning for...
  Northwestern De Soto Parish in northwestern Louisiana...
  Southwestern Caddo Parish in northwestern Louisiana...
  Southeastern Harrison County in northeastern Texas...
  Central Panola County in northeastern Texas...

* Until 145 PM CDT
    
* At 102 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Carthage, moving northeast at 50 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 120 PM CDT. 
  Greenwood around 140 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Midyett, Keithville, Deadwood, Front, Spring Ridge, Woods, Cross
Lake, Gary City, Forbing and Keachi.

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 3210 9449 3261 9397 3234 9365 3198 9426
      3198 9435
TIME...MOT...LOC 1802Z 225DEG 43KT 3209 9431 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

12
2 follow-up statements
064 
WWUS54 KSHV 021827
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
127 PM CDT SUN APR 2 2017

LAC017-031-TXC203-365-021845-
/O.CON.KSHV.TO.W.0038.000000T0000Z-170402T1845Z/
De Soto LA-Caddo LA-Harrison TX-Panola TX-
127 PM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
NORTHWESTERN DE SOTO AND SOUTHWESTERN CADDO PARISHES...EASTERN
HARRISON AND NORTHEASTERN PANOLA COUNTIES...
    
At 127 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Deberry, or 19 miles southwest of Shreveport, moving
northeast at 50 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...
  Greenwood around 140 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Midyett, Keithville, Front, Spring Ridge, Cross Lake, Forbing and
Keachi.

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 3232 9414 3261 9397 3234 9365 3209 9408
      3219 9417
TIME...MOT...LOC 1827Z 225DEG 43KT 3230 9406 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

12
976 
WWUS54 KSHV 021836
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
136 PM CDT SUN APR 2 2017

TXC203-365-021845-
/O.CAN.KSHV.TO.W.0038.000000T0000Z-170402T1845Z/
Harrison TX-Panola TX-
136 PM CDT SUN APR 2 2017

...THE TORNADO WARNING FOR EASTERN 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 600 PM CDT for northwestern
Louisiana. A tornado watch also remains in effect until 900 PM CDT
for northwestern Louisiana.

LAT...LON 3238 9404 3261 9397 3234 9365 3215 9402
      3227 9404
TIME...MOT...LOC 1835Z 241DEG 31KT 3225 9400 

$$

LAC017-031-021845-
/O.CON.KSHV.TO.W.0038.000000T0000Z-170402T1845Z/
De Soto LA-Caddo LA-
136 PM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
NORTHWESTERN DE SOTO AND SOUTHWESTERN CADDO PARISHES...
    
At 135 PM CDT, a severe thunderstorm capable of producing a tornado
was located 10 miles east of Deberry, or 19 miles southwest of
Shreveport, moving northeast at 35 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...
  Stonewall around 145 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Cross
Lake, Forbing, Keithville and Spring Ridge.

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 3238 9404 3261 9397 3234 9365 3215 9402
      3227 9404
TIME...MOT...LOC 1835Z 241DEG 31KT 3225 9400 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

12

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 4:30 AM CDTFlash Flood WatchSHVAngelina, Cherokee, Gregg, Harrison, Marion, Nacogdoches and 8 more23 hr
Apr 2, 8:26 AM CDTSpecial Weather StatementSHVCherokee49 min
Apr 2, 8:53 AM CDTSpecial Weather StatementSHVCherokee52 min
Apr 2, 9:04 AM CDTSpecial Weather StatementSHVNacogdoches41 min
Apr 2, 9:10 AM CDTSevere Thunderstorm WarningSHVAngelina, Cherokee, Nacogdoches, Rusk65 min
Apr 2, 9:22 AM CDTSevere Thunderstorm WarningSHVAngelina, Cherokee, Nacogdoches53 min
Apr 2, 9:25 AM CDTSpecial Weather StatementSHVPanola, Shelby35 min
Apr 2, 9:42 AM CDTTornado WarningSHVPanola, Shelby48 min
Apr 2, 10:13 AM CDTSevere Thunderstorm WarningSHVAngelina, Nacogdoches47 min
Apr 2, 10:34 AM CDTSpecial Weather StatementSHVHarrison, Panola41 min
Apr 2, 10:56 AM CDTSevere Thunderstorm WarningSHVNacogdoches, Panola, Rusk, San Augustine, Shelby64 min
Apr 2, 11:34 AM CDTSevere Thunderstorm WarningSHVHarrison, Nacogdoches, Panola, San Augustine, Shelby56 min
Apr 2, 11:41 AM CDTTornado WarningSHVShelby49 min
Apr 2, 11:56 AM CDTTornado Warning Tornado observedSHVPanola, Shelby49 min
Apr 2, 12:42 PM CDTSevere Thunderstorm WarningSHVGregg, Harrison, Marion, Nacogdoches, Panola, Rusk and 1 more63 min
Apr 2, 12:51 PM CDTAreal Flood WarningSHVNacogdoches3 hr
Apr 2, 1:09 PM CDTSevere Thunderstorm WarningSHVAngelina, Cherokee, Nacogdoches, Rusk, San Augustine66 min
Apr 2, 1:16 PM CDTTornado WarningSHVNacogdoches, Panola, San Augustine, Shelby44 min
Apr 2, 1:41 PM CDTRiver Flood WarningSHVAngelina, Cherokee, Nacogdoches5 days
Apr 2, 1:41 PM CDTRiver Flood WarningSHVNacogdoches, Rusk, San Augustine, Shelby5 days
Apr 2, 1:41 PM CDTTornado WarningSHVBowie, Camp, Cass, Marion, Morris, Titus and 1 more34 min
Apr 2, 1:46 PM CDTRiver Flood WarningSHVAnderson, Cherokee, Houston, Trinity4 days
Apr 2, 1:46 PM CDTRiver Flood WarningSHVAngelina, Houston, Polk, Trinity, Tyler4 days
Apr 2, 1:46 PM CDTRiver Flood WarningSHVGregg67 hr
Apr 2, 1:52 PM CDTSevere Thunderstorm WarningSHVAngelina, Nacogdoches, Panola, Sabine, San Augustine, Shelby53 min
Apr 2, 2:41 PM CDTSevere Thunderstorm WarningSHVSabine64 min
Apr 2, 3:05 PM CDTTornado WarningSHVSabine40 min
Apr 2, 9:31 AM CDTSpecial Weather StatementSHVDe Soto, Red River44 min
Apr 2, 9:48 AM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Caddo, De Soto, Red River, Webster42 min
Apr 2, 10:37 AM CDTSpecial Weather StatementSHVBossier, Caddo, Claiborne, Webster38 min
Apr 2, 12:12 PM CDTSevere Thunderstorm WarningSHVCaldwell, Ouachita63 min
Apr 2, 12:29 PM CDTSevere Thunderstorm WarningSHVBossier, Caddo, De Soto, Webster18 min
Apr 2, 1:41 PM CDTRiver Flood WarningSHVBossier, Webster45 hr
Apr 2, 1:42 PM CDTRiver Flood WarningSHVWebster19 days
Apr 2, 1:44 PM CDTSevere Thunderstorm WarningSHVBossier, Caddo, De Soto, Red River61 min
Apr 2, 1:50 PM CDTSevere Thunderstorm WarningSHVClaiborne40 min
Apr 2, 1:53 PM CDTTornado WarningSHVGrant, Natchitoches, Winn27 min
Apr 2, 2:18 PM CDTSevere Thunderstorm WarningSHVCaldwell, Ouachita24 min
Apr 2, 2:29 PM CDTTornado WarningSHVGrant, LaSalle46 min
Apr 2, 2:37 PM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Caddo, Claiborne, De Soto, Red River and 1 more53 min
Apr 2, 3:02 PM CDTTornado Warning Tornado observedSHVLaSalle43 min
Apr 2, 3:15 PM CDTAreal Flood WarningSHVBossier, Caddo3 hr
Apr 2, 3:20 PM CDTSevere Thunderstorm WarningSHVBienville, Caldwell, Claiborne, Jackson, Lincoln, Ouachita and 1 more55 min
Apr 2, 3:32 PM CDTSevere Thunderstorm WarningSHVGrant, Natchitoches, Winn20 min
Apr 2, 3:36 PM CDTSevere Thunderstorm WarningSHVBienville, Grant, Jackson, Natchitoches, Red River, Winn39 min
Apr 2, 3:40 PM CDTSevere Thunderstorm WarningSHVGrant, LaSalle30 min
Apr 2, 3:46 PM CDTTornado WarningSHVGrant, LaSalle18 min
Apr 2, 3:49 PM CDTTornado WarningSHVCaldwell41 min
Apr 2, 3:51 PM CDTSevere Thunderstorm WarningSHVGrant, LaSalle, Winn34 min
Apr 2, 3:58 PM CDTTornado WarningSHVCaldwell, Grant, Winn17 min
Apr 2, 4:02 PM CDTTornado Warning EmergencyConsiderable damage threatSHVCaldwell, LaSalle43 min
Apr 2, 4:04 PM CDTTornado WarningSHVGrant, Natchitoches, Winn41 min
Apr 2, 4:12 PM CDTSevere Thunderstorm WarningSHVBienville, Caldwell, Grant, Jackson, LaSalle, Natchitoches and 1 more78 min
Apr 2, 4:14 PM CDTSevere Thunderstorm WarningSHVCaldwell, Jackson, Ouachita, Union29 min
Apr 2, 4:58 PM CDTTornado WarningSHVCaldwell, LaSalle, Winn47 min
Apr 2, 5:13 PM CDTFlash Flood WarningSHVCaldwell, Grant, LaSalle, Natchitoches, Sabine, Winn10 hr
Apr 2, 5:45 PM CDTSevere Thunderstorm WarningSHVGrant, LaSalle, Natchitoches60 min
Apr 2, 5:50 PM CDTTornado WarningSHVGrant, LaSalle40 min
Apr 2, 6:15 PM CDTSevere Thunderstorm WarningSHVLaSalle46 min
Apr 2, 6:40 PM CDTSevere Thunderstorm WarningSHVGrant50 min

Nearby

Tornado Warnings in Texas, 2017Tornado Warnings in Louisiana, 2017Every tornado warning in 2017Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.