Alert archive / Texas / Tornado Warnings in 2018

Tornado Warning 5, NWS Shreveport, LA

January 21, 2018Bowie County, Red River County, Texas

NWS Shreveport, LA issued this tornado warning at Jan 21, 2018, 9:17 PM CST for Bowie County, Red River County, Texas. It was in force for 43 min. 7 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
Jan 21, 2018, 9:17 PM CST (03:17 UTC)
Expired
Jan 21, 2018, 10:00 PM CST
In force
43 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Bowie County, TX, Red River County, TX

The radar

The Shreveport radar (KSHV), 133 km from the middle of the area, began a volume at 03:18 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
Jan 21, 9:26 PM CSTTORNADO1 E De Kalb, TXAN EF2 TORNADO TOUCHED DOWN ALONG US HWY 259 JUST SOUTHWEST OF DE KALB TX AND TRACKED NORTHEAST FOR ABOUT 7 MILES ENDING 2.7 MILES NORTHEAST OF DE KALB TX. NUMEROUS TREES WERE SNAPPED AND UPROOTED ALONG WITH SIGNIFICANT ROOF DAMAGE TO SEVERAL HOMES.
Jan 21, 9:30 PM CSTTSTM WND DMG1 W De Kalb, TXPOWER LINES DOWN REPORTED ON US 259S.
Jan 21, 9:33 PM CSTTSTM WND DMG3 Ssw De Kalb, TXMINOR STRUCTURAL DAMAGE TO HOMES EAST SIDE OF 259, ON 44 JUST NORTH OF FM 4230, SEVERAL CHICKEN HOUSES DESTROYED, TREES AND POWER POLES DAMAGED.
Jan 21, 9:33 PM CSTTSTM WND DMGDe Kalb, TXEM REPORTS DAMAGE TO 20 HOMES, ROOFS REMOVED AND OR STRUCTURALLY DAMAGED.
Jan 21, 9:35 PM CSTTSTM WND DMG1 Se De Kalb, TXDAMAGE TO HOME REPORTED ON FM990, UNKNOWN INJURIES OR DETAILS AT THIS TIME.
Jan 21, 9:43 PM CSTTSTM WND DMG2 E De Kalb, TXTREES UPROOTED AND POWER LINES DOWN ON CR3201.
Jan 21, 9:43 PM CSTTORNADO7 Ne De Kalb, TXAN EF0 TORNADO TOUCHED DOWN ABOUT 5 MILES NORTH OF MALTA TX ALONG COUNTY ROAD 3109 WHERE IT TRACKED NORTHEAST FOR ABOUT 0.55 MILES ENDING 5.25 MILES NORTHEAST OF MALTA TX. THE TORNADO DAMAGED THE ROOF OF A CHURCH AND 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
Jan 21, 3:05 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 3.3 hours before the alert went out and 136 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 2018-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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 2018-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 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
39 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
970 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
261 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

670 
WFUS54 KSHV 220317
TORSHV
TXC037-387-220400-
/O.NEW.KSHV.TO.W.0005.180122T0317Z-180122T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
917 PM CST SUN JAN 21 2018

The National Weather Service in Shreveport has issued a

* Tornado Warning for...
  Northwestern Bowie County in northeastern Texas...
  Southeastern Red River County in northeastern Texas...

* Until 1000 PM CST
    
* At 916 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Dalby Springs, or 8 miles southeast of Boxelder,
  moving northeast at 45 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. 

* Locations impacted include...
  De Kalb, Dalby Springs, Lydia and Almont. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3333 9475 3342 9484 3362 9464 3359 9446
      3346 9444 3332 9467
TIME...MOT...LOC 0316Z 227DEG 40KT 3337 9479 

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

$$

06
2 follow-up statements
512 
WWUS54 KSHV 220334
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
934 PM CST SUN JAN 21 2018

TXC387-220342-
/O.CAN.KSHV.TO.W.0005.000000T0000Z-180122T0400Z/
Red River TX-
934 PM CST SUN JAN 21 2018

...THE TORNADO WARNING FOR SOUTHEASTERN RED RIVER COUNTY 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 1100 PM CST for northeastern
Texas.

LAT...LON 3344 9467 3353 9473 3362 9464 3359 9446
      3346 9444 3343 9462
TIME...MOT...LOC 0332Z 226DEG 40KT 3349 9461 

$$

TXC037-220400-
/O.CON.KSHV.TO.W.0005.000000T0000Z-180122T0400Z/
Bowie TX-
934 PM CST SUN JAN 21 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CST FOR
NORTHWESTERN BOWIE COUNTY...
    
At 932 PM CST, a severe thunderstorm capable of producing a tornado 
was located over De Kalb, or 11 miles west of New Boston, and 
4 miles southwest of De Kalb, moving northeast at 45 mph.
Strong circulation with this storm.

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. 

Locations impacted include...
De Kalb and Almont. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3344 9467 3353 9473 3362 9464 3359 9446
      3346 9444 3343 9462
TIME...MOT...LOC 0332Z 226DEG 40KT 3349 9461 

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

$$

06
002 
WWUS54 KSHV 220400
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
1000 PM CST SUN JAN 21 2018

TXC037-220405-
/O.EXP.KSHV.TO.W.0005.000000T0000Z-180122T0400Z/
Bowie TX-
1000 PM CST SUN JAN 21 2018

...THE TORNADO WARNING FOR NORTHWESTERN BOWIE COUNTY WILL EXPIRE AT
1000 PM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 1100 PM CST for northeastern
Texas.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Shreveport.

Remember, a Tornado Warning still remains in effect for parts of 
Southeast Mccurtain county and extreme North Bowie county, but these 
parts of Bowie and Mccurtain county will be canceled shortly. The 
tornado warning for Little River county Arkansas will continue until 
1030 PM.

LAT...LON 3344 9467 3353 9473 3362 9464 3359 9446
      3346 9444 3343 9462
TIME...MOT...LOC 0355Z 227DEG 40KT 3366 9439 

$$

06

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 7:45 PM CSTTornado WarningSHVWood30 min
Jan 21, 8:06 PM CSTSevere Thunderstorm WarningSHVRed River24 min
Jan 21, 8:13 PM CSTTornado WarningSHVWood32 min
Jan 21, 8:24 PM CSTTornado WarningSHVFranklin, Titus, Wood36 min
Jan 21, 8:47 PM CSTTornado Warning Tornado observedSHVFranklin, Morris, Red River, Titus43 min
Jan 21, 9:44 PM CSTTornado WarningSHVBowie46 min
Jan 21, 9:56 PM CSTSpecial Weather StatementSHVRed River, Titus49 min
Jan 21, 10:00 PM CSTSpecial Weather StatementSHVGregg30 min
Jan 21, 10:41 PM CSTSpecial Weather StatementSHVBowie49 min
Jan 21, 10:43 PM CSTSevere Thunderstorm WarningSHVSabine, San Augustine47 min
Jan 21, 10:54 PM CSTTornado WarningSHVSabine, San Augustine, Shelby33 min
Jan 21, 11:09 PM CSTTornado WarningSHVCherokee, Rusk, Smith51 min
Jan 21, 11:44 PM CSTTornado WarningSHVGregg, Harrison, Panola, Rusk28 min
Jan 22, 3:25 AM CSTLake Wind AdvisorySHVBowie, Camp, Cass, Cherokee, Franklin, Gregg and 12 more15 hr

Nearby

Tornado Warnings in Texas, 2018Every tornado warning in 2018Tornadoes in 2018

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.