Alert archive / Texas / Tornado Warnings in 2016

Tornado Warning 62, NWS Shreveport, LA

May 9, 2016Red River County, Texas

NWS Shreveport, LA issued this tornado warning at May 9, 2016, 8:57 PM CDT for Red River County, Texas. It was in force for 48 min. 2 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 9, 2016, 8:57 PM CDT (01:57 UTC)
Expired: May 9, 2016, 9:45 PM CDT
In force: 48 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Red River County, TX

The radar

The Shreveport radar (KSHV), 168 km from the middle of the area, began a volume at 02:00 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
May 9, 9:08 PM CDT	TSTM WND GST 90	1 Se Clarksville, TX	A FEW ISOLATED INSTANCES OF SNAPPED AND UPROOTED TREES...AND MINOR ROOF DAMAGE WAS FOUND. DAMAGE WAS CONSISTENT WITH STRAIGHT LINE TSTM WINDS.
May 9, 9:10 PM CDT	HAIL 1.75	Clarksville, 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.

Issued	Product	Office	Lasted
May 9, 2:36 PM CDT	Tornado Watch	SPC	7 hr
May 9, 7:23 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 2.0 hours before the alert went out and 171 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1192 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1065 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 263 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 10.9

Open this sounding in Storm Lab

The text

As transmitted.

076 
WFUS54 KSHV 100157
TORSHV
TXC387-100245-
/O.NEW.KSHV.TO.W.0062.160510T0157Z-160510T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
857 PM CDT MON MAY 9 2016

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL RED RIVER COUNTY IN NORTHEASTERN TEXAS...

* UNTIL 945 PM CDT
    
* AT 857 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR CLARKSVILLE...MOVING EAST 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...
  CLARKSVILLE AROUND 905 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
ENGLISH AND ANNONA.

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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3354 9520 3362 9519 3366 9483 3348 9483
TIME...MOT...LOC 0157Z 268DEG 44KT 3359 9513 

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

$$

ELEVEN

1 follow-up statement

923 
WWUS54 KSHV 100216
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
916 PM CDT MON MAY 9 2016

TXC387-100245-
/O.CON.KSHV.TO.W.0062.000000T0000Z-160510T0245Z/
RED RIVER TX-
916 PM CDT MON MAY 9 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR CENTRAL
RED RIVER COUNTY...
    
AT 916 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CLARKSVILLE...MOVING EAST 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
CENTRAL RED RIVER COUNTY...INCLUDING THE FOLLOWING LOCATIONS: ENGLISH
AND ANNONA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3354 9520 3362 9519 3366 9483 3348 9483
TIME...MOT...LOC 0216Z 267DEG 29KT 3360 9496 

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

$$

ELEVEN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:59 PM CDT	Severe Thunderstorm Warning	SHV	Red River	46 min
May 9, 8:00 PM CDT	Tornado Warning	SHV	Red River	45 min
May 9, 8:33 PM CDT	Severe Thunderstorm Warning	SHV	Red River	57 min
May 9, 8:37 PM CDT	Areal Flood Advisory	SHV	Bowie, Red River	3 hr
May 9, 8:43 PM CDT	Tornado Warning	SHV	Red River	47 min
May 9, 8:49 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Red River	56 min
May 9, 8:52 PM CDT	Tornado Warning	SHV	Bowie, Red River	53 min
May 9, 9:26 PM CDT	Flash Flood Warning	SHV	Bowie, Red River	3 hr
May 9, 9:30 PM CDT	Tornado Warning	SHV	Bowie	45 min
May 9, 9:49 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Franklin, Red River	56 min
May 9, 10:30 PM CDT	Tornado Warning	SHV	Bowie	45 min
May 9, 10:37 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	53 min
May 9, 10:43 PM CDT	Severe Thunderstorm Warning	SHV	Bowie	32 min
May 9, 11:30 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	30 min

Nearby

Tornado Warnings in Texas, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.