Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 91, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Dec 19, 2017, 7:50 PM CST for Cherokee County, Nacogdoches County, Rusk County, Texas. It was in force for 40 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
- Dec 19, 2017, 7:50 PM CST (01:50 UTC)
- Expired
- Dec 19, 2017, 8:30 PM CST
- In force
- 40 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Cherokee County, TX, Nacogdoches County, TX, Rusk County, TX
The radar
The Shreveport radar (KSHV), 126 km from the middle of the area, began a volume at 01:51 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 |
|---|---|---|---|
| Dec 19, 8:01 PM CST | FUNNEL CLOUD | 5 Nnw Mount Enterprise, TX | FUNNEL CLOUD SPOTTED BY STORM SPOTTERS OVER MINDEN TEXAS. |
| Dec 19, 8:11 PM CST | TSTM WND DMG | Cushing, TX | LARGE TREE DOWN ACROSS ROAD SHOWN IN DASH CAM VIDEO ON WEATHERNATION TWITTER PAGE IN CUSHING TEXAS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KBAD), launched 00:00Z, 1.8 hours before the alert went out and 135 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.
- Mixed-layer CAPE
- 513 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 542 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 393 m²/s²
- 0-3 km storm-relative helicity
- 450 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 5.9
The text
As transmitted.
694
WFUS54 KSHV 200150
TORSHV
TXC073-347-401-200230-
/O.NEW.KSHV.TO.W.0091.171220T0150Z-171220T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
750 PM CST TUE DEC 19 2017
The National Weather Service in Shreveport has issued a
* Tornado Warning for...
Southwestern Rusk County in northeastern Texas...
Northwestern Nacogdoches County in eastern Texas...
East central Cherokee County in northeastern Texas...
* Until 830 PM CST
* At 749 PM CST, a severe thunderstorm capable of producing a tornado
was located near Rusk, moving east 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...
Sacul and New Salem around 805 PM CST.
Trawick around 815 PM CST.
Other locations impacted by this tornadic thunderstorm include
Lilbert, Mount Enterprise, Reklaw, Looneyville, Cushing, Glenfawn and
Laneville.
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!
&&
LAT...LON 3168 9512 3185 9519 3206 9471 3174 9457
TIME...MOT...LOC 0149Z 250DEG 33KT 3178 9507
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
05The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 6:32 PM CST | River Flood Warning | SHV | Gregg | 58 hr |
| Dec 19, 6:34 PM CST | Special Weather Statement | SHV | Cherokee, Nacogdoches | 41 min |
| Dec 19, 6:57 PM CST | Severe Thunderstorm Warning | SHV | Cherokee, Gregg, Harrison, Nacogdoches, Panola, Rusk and 2 more | 63 min |
| Dec 19, 7:05 PM CST | Tornado Warning | SHV | Cherokee, Nacogdoches, Rusk | 40 min |
| Dec 19, 7:35 PM CST | Tornado Warning | SHV | Cherokee, Nacogdoches, Panola, Rusk, Shelby | 40 min |
| Dec 19, 7:44 PM CST | Flash Flood Warning | SHV | Cass, Gregg, Harrison, Marion, Smith, Upshur | 3 hr |
| Dec 19, 7:46 PM CST | Flash Flood Warning | SHV | Cherokee, Nacogdoches, Panola, Rusk, Shelby | 3 hr |
| Dec 19, 7:56 PM CST | Severe Thunderstorm Warning | SHV | Cherokee, Gregg, Harrison, Nacogdoches, Panola, Rusk and 2 more | 64 min |
| Dec 19, 8:29 PM CST | Special Weather Statement | SHV | Panola | 46 min |
| Dec 19, 8:59 PM CST | Special Weather Statement | SHV | Panola, Rusk | 46 min |
| Dec 19, 9:49 PM CST | Areal Flood Advisory | SHV | Harrison, Panola, Shelby | 3 hr |
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.