Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 63, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Apr 29, 2017, 8:35 PM CDT for Smith County, Wood County, Texas. It was in force for 40 min. 1 report 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 29, 2017, 8:35 PM CDT (01:35 UTC)
- Expired
- Apr 29, 2017, 9:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Smith County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 143 km from the middle of the area, began a volume at 01:37 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 |
|---|---|---|---|
| Apr 29, 9:15 PM CDT | TSTM WND DMG | 9 Nw Hawkins, TX | TREES DOWN AT HWY 80 AND STATE HWY 778. |
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 |
|---|---|---|---|
| Apr 29, 5:10 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KBAD), launched 00:00Z, 1.6 hours before the alert went out and 152 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
- 1748 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 251 m²/s²
- 0-3 km storm-relative helicity
- 454 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 19.0
The text
As transmitted.
005
WFUS54 KSHV 300135
TORSHV
TXC423-499-300215-
/O.NEW.KSHV.TO.W.0063.170430T0135Z-170430T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
835 PM CDT SAT APR 29 2017
The National Weather Service in Shreveport has issued a
* Tornado Warning for...
Northwestern Smith County in northeastern Texas...
Southeastern Wood County in northeastern Texas...
* Until 915 PM CDT
* At 835 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Mineola, moving northeast at 30 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...
Mineola and Hoard around 850 PM CDT.
Hainesville around 905 PM CDT.
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 3247 9547 3257 9558 3281 9531 3280 9516
3259 9516
TIME...MOT...LOC 0135Z 221DEG 25KT 3258 9552
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
241 follow-up statement
511
WWUS54 KSHV 300154
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
854 PM CDT SAT APR 29 2017
TXC423-499-300215-
/O.CON.KSHV.TO.W.0063.000000T0000Z-170430T0215Z/
Smith TX-Wood TX-
854 PM CDT SAT APR 29 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
NORTHWESTERN SMITH AND SOUTHEASTERN WOOD COUNTIES...
At 853 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Hoard, or near Mineola, moving northeast at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Hainesville around 900 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3251 9538 3261 9553 3281 9531 3280 9516
3259 9516
TIME...MOT...LOC 0153Z 220DEG 25KT 3268 9542
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
24The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 7:17 PM CDT | Special Weather Statement | SHV | Marion | 58 min |
| Apr 29, 7:28 PM CDT | Tornado Warning | SHV | Smith, Wood | 32 min |
| Apr 29, 7:47 PM CDT | Severe Thunderstorm Warning | SHV | Franklin, Smith, Wood | 43 min |
| Apr 29, 7:59 PM CDT | Severe Thunderstorm Warning | SHV | Franklin, Red River, Titus, Wood | 33 min |
| Apr 29, 8:12 PM CDT | Severe Thunderstorm Warning | SHV | Smith, Upshur, Wood | 63 min |
| Apr 29, 8:18 PM CDT | Severe Thunderstorm Warning | SHV | Franklin, Morris, Red River, Titus | 57 min |
| Apr 29, 8:23 PM CDT | Special Weather Statement | SHV | Bowie | 67 min |
| Apr 29, 8:25 PM CDT | Severe Thunderstorm Warning | SHV | Smith, Wood | 65 min |
| Apr 29, 8:26 PM CDT | Tornado Warning | SHV | Smith, Wood | 49 min |
| Apr 29, 9:15 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Camp, Franklin, Marion, Morris, Red River and 4 more | 44 min |
| Apr 29, 11:39 PM CDT | Special Weather Statement | SHV | Sabine, San Augustine | 51 min |
| Apr 30, 4:19 AM CDT | Lake Wind Advisory | SHV | Bowie, Camp, Cass, Cherokee, Franklin, Gregg and 12 more | 15 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.