Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 69, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at May 11, 2017, 7:11 PM CDT for Cherokee County, Nacogdoches County, Rusk County, Texas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 11, 2017, 7:11 PM CDT (00:11 UTC)
- Expired
- May 11, 2017, 7:35 PM CDT
- In force
- 24 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), 127 km from the middle of the area, began a volume at 00:11 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.
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 11, 2:43 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Shreveport, LA (KBAD), launched 00:00Z, 0.2 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.
- Mixed-layer CAPE
- 1602 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 920 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 7.0
The text
As transmitted.
675
WFUS54 KSHV 120011
TORSHV
TXC073-347-401-120100-
/O.NEW.KSHV.TO.W.0069.170512T0011Z-170512T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
711 PM CDT THU MAY 11 2017
The National Weather Service in Shreveport has issued a
* Tornado Warning for...
South central Rusk County in northeastern Texas...
Northwestern Nacogdoches County in eastern Texas...
East central Cherokee County in northeastern Texas...
* Until 800 PM CDT
* At 711 PM CDT, a severe thunderstorm capable of producing a
tornado was located near Douglass, or 14 miles southeast of Rusk,
moving northeast at 25 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...
Douglass around 720 PM CDT.
Trawick around 740 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Lilbert, Linwood, Looneyville and Cushing.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3157 9495 3169 9509 3190 9476 3181 9461
TIME...MOT...LOC 0010Z 225DEG 23KT 3166 9495
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
151 follow-up statement
972
WWUS54 KSHV 120035
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
735 PM CDT THU MAY 11 2017
TXC073-347-401-120042-
/O.CAN.KSHV.TO.W.0069.000000T0000Z-170512T0100Z/
Rusk TX-Nacogdoches TX-Cherokee TX-
735 PM CDT THU MAY 11 2017
...THE TORNADO WARNING FOR SOUTH CENTRAL RUSK...NORTHWESTERN
NACOGDOCHES AND EAST CENTRAL CHEROKEE COUNTIES IS CANCELLED...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, damaging winds remain likely and a Severe
Thunderstorm Warning remains in effect for the area until 8 pm.
A severe thunderstorm watch remains in effect until 1000 PM CDT for
eastern and northeastern Texas.
LAT...LON 3157 9495 3169 9509 3190 9476 3181 9461
TIME...MOT...LOC 0030Z 225DEG 23KT 3176 9483
$$
15The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 7:08 PM CDT | Tornado Warning | SHV | Panola, Rusk | 19 min |
| May 11, 7:27 PM CDT | Tornado Warning | SHV | Panola | 33 min |
| May 11, 7:40 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee, Nacogdoches | 65 min |
| May 11, 7:56 PM CDT | Special Weather Statement | SHV | Marion | 49 min |
| May 11, 8:32 PM CDT | Tornado Warning | SHV | Nacogdoches, Rusk, Shelby | 43 min |
| May 11, 8:44 PM CDT | Severe Thunderstorm Warning | SHV | Nacogdoches, Rusk, San Augustine, Shelby | 50 min |
| May 11, 9:00 PM CDT | Tornado Warning | SHV | Shelby | 29 min |
| May 11, 9:08 PM CDT | Tornado Warning | SHV | Camp, Franklin, Titus, Wood | 52 min |
| May 11, 9:17 PM CDT | Severe Thunderstorm Warning | SHV | Shelby | 43 min |
| May 11, 9:46 PM CDT | Severe Thunderstorm Warning | SHV | Camp, Cass, Morris, Titus | 44 min |
| May 11, 10:21 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Smith | 54 min |
| May 11, 11:07 PM CDT | Special Weather Statement | SHV | Franklin, Titus, Wood | 38 min |
| May 11, 11:18 PM CDT | Special Weather Statement | SHV | Rusk | 42 min |
| May 11, 11:51 PM CDT | Special Weather Statement | SHV | Titus | 39 min |
| May 12, 12:02 AM CDT | Special Weather Statement | SHV | Upshur | 58 min |
| May 12, 12:40 AM CDT | Special Weather Statement | SHV | Angelina, Nacogdoches, San Augustine, Shelby | 50 min |
| May 12, 4:32 AM CDT | Lake Wind Advisory | SHV | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 13 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.