Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 66, NWS Shreveport, LA

May 11, 2017Smith County, Upshur County, Wood County, Texas

NWS Shreveport, LA issued this tornado warning at May 11, 2017, 5:26 PM CDT for Smith County, Upshur County, Wood County, Texas. It was in force for 49 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
May 11, 2017, 5:26 PM CDT (22:26 UTC)
Expired
May 11, 2017, 6:15 PM CDT
In force
49 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Smith County, TX, Upshur County, TX, Wood County, TX

The radar

The Shreveport radar (KSHV), 138 km from the middle of the area, began a volume at 22:30 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 11, 5:33 PM CDTTSTM WND DMG3 Ene Lindale, TXSEVERAL TREES WERE UPROOTED ON FM 16 BETWEEN COUNTY ROAD 498 AND COUNTY ROAD 4104.
May 11, 5:40 PM CDTTORNADO6 Sw Hawkins, TXSPOTTER REPORTS TORNADO ON GROUND NEAR THE INTERSECTION OF FM 14 AND FM 16 IN THE RED SPRINGS COMMUNITY.
May 11, 6:09 PM CDTTORNADO4 Wnw Gladewater, TXAN EF-1 TORNADO WITH MAXIMUM ESTIMATED WINDS BETWEEN 90-95 MPH TOUCHED DOWN ACROSS A WOODED AREA IN A PASTURELAND JUST WEST OF JUNIPER ROAD NEAR THE SABINE RIVER SOUTH OF HIGHWAY 80. THROUGH THE PATH LENGTH, THIS TORNADO REMAINED AROUND TREETOP LEVEL, SHEARING

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 11, 2:43 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 10.4 hours before the alert went out and 146 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 2017-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 2017-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
15 J/kg
Mixed-layer CIN
-373 J/kg
Mixed-layer LCL
755 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

817 
WFUS54 KSHV 112226
TORSHV
TXC423-459-499-112315-
/O.NEW.KSHV.TO.W.0066.170511T2226Z-170511T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
526 PM CDT THU MAY 11 2017

The National Weather Service in Shreveport has issued a

* Tornado Warning for...
  Northern Smith County in northeastern Texas...
  Southeastern Wood County in northeastern Texas...
  Southwestern Upshur County in northeastern Texas...

* Until 615 PM CDT
    
* At 526 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located near Lindale, or 10 miles south of Mineola, 
  moving east at 30 mph.

  HAZARD...Tornado and quarter size hail. 

  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...
  Hawkins around 555 PM CDT. 
  Big Sandy around 605 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Red
Springs, Pritchett and Winona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This Tornado Warning replaces the Severe Thunderstorm Warning issued
for the same area.

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.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 3242 9551 3260 9552 3267 9501 3240 9499
TIME...MOT...LOC 2226Z 268DEG 24KT 3252 9543 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

15
2 follow-up statements
078 
WWUS54 KSHV 112246
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
546 PM CDT THU MAY 11 2017

TXC423-459-499-112315-
/O.CON.KSHV.TO.W.0066.000000T0000Z-170511T2315Z/
Smith TX-Wood TX-Upshur TX-
546 PM CDT THU MAY 11 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN SMITH...SOUTHEASTERN WOOD AND SOUTHWESTERN UPSHUR
COUNTIES...
    
At 546 PM CDT, a severe thunderstorm capable of producing a tornado 
was located 5 miles southwest of Hawkins, or 15 miles north of 
Tyler, moving east at 35 mph.

HAZARD...Tornado and quarter size hail. 

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...
  Big Sandy around 600 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Red
Springs, Pritchett and Winona.

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.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3245 9537 3262 9538 3267 9501 3248 9500
TIME...MOT...LOC 2245Z 263DEG 29KT 3254 9523 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

15
339 
WWUS54 KSHV 112256 CCA
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
556 PM CDT THU MAY 11 2017

TXC423-459-499-112315-
/O.COR.KSHV.TO.W.0066.000000T0000Z-170511T2315Z/
Smith TX-Wood TX-Upshur TX-
556 PM CDT THU MAY 11 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN SMITH...SOUTHEASTERN WOOD AND SOUTHWESTERN UPSHUR
COUNTIES...
    
At 556 PM CDT, a confirmed tornado was located near FM 14 and FM 16 
just southwest of Hawkins, or 14 miles west of Gladewater, moving 
east at 20 mph.

HAZARD...Damaging tornado and quarter size hail. 

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 tornado will be near...
  Big Sandy around 610 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Red
Springs, Pritchett and Winona.

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.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3245 9537 3262 9538 3267 9501 3248 9500
TIME...MOT...LOC 2246Z 257DEG 19KT 3254 9523 

TORNADO...OBSERVED
HAIL...1.00IN

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:14 PM CDTSpecial Weather StatementSHVGregg, Harrison16 min
May 10, 7:52 PM CDTSpecial Weather StatementSHVCass23 min
May 11, 2:57 PM CDTSpecial Weather StatementSHVCamp33 min
May 11, 3:38 PM CDTSpecial Weather StatementSHVRed River37 min
May 11, 4:21 PM CDTSpecial Weather StatementSHVRed River39 min
May 11, 4:45 PM CDTSpecial Weather StatementSHVCherokee45 min
May 11, 5:03 PM CDTSpecial Weather StatementSHVWood57 min
May 11, 5:14 PM CDTSpecial Weather StatementSHVPanola46 min
May 11, 5:19 PM CDTSpecial Weather StatementSHVCamp41 min
May 11, 5:21 PM CDTSevere Thunderstorm WarningSHVSmith, Upshur, Wood54 min
May 11, 5:34 PM CDTSevere Thunderstorm WarningSHVRed River26 min
May 11, 6:10 PM CDTTornado WarningSHVGregg, Smith, Upshur50 min
May 11, 6:43 PM CDTSpecial Weather StatementSHVHarrison, Marion47 min
May 11, 6:46 PM CDTSevere Thunderstorm WarningSHVGregg, Smith, Upshur59 min
May 11, 6:47 PM CDTSpecial Weather StatementSHVNacogdoches58 min
May 11, 6:58 PM CDTSevere Thunderstorm WarningSHVCherokee, Nacogdoches, Rusk62 min

Nearby

Tornado Warnings in Texas, 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.