Alert archive / Louisiana / Tornado Warnings in 2017
Tornado Warning 78, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at May 28, 2017, 6:30 PM CDT for Shelby County, Texas; De Soto Parish, Sabine Parish, Louisiana. It was in force for 26 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 28, 2017, 6:30 PM CDT (23:30 UTC)
- Expired
- May 28, 2017, 6:56 PM CDT
- In force
- 26 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties De Soto Parish, LA, Sabine Parish, LA, Shelby County, TX
The radar
The Shreveport radar (KSHV), 73 km from the middle of the area, began a volume at 23:31 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 28, 5:19 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Shreveport, LA (KBAD), launched 12:00Z, 11.5 hours before the alert went out and 77 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1753 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -304 m²/s²
- 0-3 km storm-relative helicity
- -56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
047
WFUS54 KSHV 282330
TORSHV
LAC031-085-TXC419-290015-
/O.NEW.KSHV.TO.W.0078.170528T2330Z-170529T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
630 PM CDT SUN MAY 28 2017
The National Weather Service in Shreveport has issued a
* Tornado Warning for...
Southwestern De Soto Parish in northwestern Louisiana...
Northwestern Sabine Parish in northwestern Louisiana...
Northeastern Shelby County in eastern Texas...
* Until 715 PM CDT
* At 630 PM CDT, a severe thunderstorm capable of producing a tornado
was located 10 miles southeast of Logansport, or 15 miles east of
Center, moving east at 40 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.
* This dangerous storm will be near...
Converse around 650 PM CDT.
Other locations impacted by this tornadic thunderstorm include Oak
Grove, Huxley and Toledo Bend Reservoir North.
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 3180 9406 3193 9395 3183 9360 3161 9376
TIME...MOT...LOC 2330Z 287DEG 35KT 3183 9393
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
051 follow-up statement
167
WWUS54 KSHV 282356
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
656 PM CDT SUN MAY 28 2017
LAC031-085-TXC419-290005-
/O.CAN.KSHV.TO.W.0078.000000T0000Z-170529T0015Z/
De Soto LA-Sabine LA-Shelby TX-
656 PM CDT SUN MAY 28 2017
...THE TORNADO WARNING FOR SOUTHWESTERN DE SOTO...NORTHWESTERN SABINE
PARISHES IN NORTHWESTERN LOUISIANA AND NORTHEASTERN SHELBY COUNTIES
IS CANCELLED...
The storm which prompted the warning has moved out of the
area and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.
A severe thunderstorm watch remains in effect until midnight CDT for
northwestern Louisiana...and eastern Texas.
LAT...LON 3180 9406 3193 9395 3183 9360 3161 9376
TIME...MOT...LOC 2353Z 287DEG 35KT 3176 9365
$$
05The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 1:39 AM CDT | Special Weather Statement | SHV | Bowie | 51 min |
| May 28, 2:05 AM CDT | Severe Thunderstorm Warning | SHV | Bowie | 40 min |
| May 28, 2:08 AM CDT | Special Weather Statement | SHV | Red River | 37 min |
| May 28, 2:49 AM CDT | Special Weather Statement | SHV | Bowie, Red River | 41 min |
| May 28, 3:30 AM CDT | Special Weather Statement | SHV | Bowie, Franklin, Titus | 45 min |
| May 28, 4:54 AM CDT | Special Weather Statement | SHV | Camp, Upshur, Wood | 36 min |
| May 28, 6:32 AM CDT | Special Weather Statement | SHV | Bowie, Franklin, Morris, Titus | 43 min |
| May 28, 7:19 AM CDT | Special Weather Statement | SHV | Camp, Cass, Franklin, Morris, Titus, Upshur and 1 more | 41 min |
| May 28, 8:07 AM CDT | Special Weather Statement | SHV | Marion | 38 min |
| May 28, 3:35 PM CDT | Special Weather Statement | SHV | Wood | 40 min |
| May 28, 4:18 PM CDT | Special Weather Statement | SHV | Camp, Harrison, Marion, Upshur | 42 min |
| May 28, 4:47 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee | 58 min |
| May 28, 4:50 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Marion, Smith, Upshur | 55 min |
| May 28, 4:53 PM CDT | Severe Thunderstorm Warning | SHV | Cass, Harrison, Marion | 67 min |
| May 28, 4:58 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Rusk | 32 min |
| May 28, 5:11 PM CDT | Tornado Warning | SHV | Gregg, Harrison, Panola, Rusk | 49 min |
| May 28, 5:15 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Nacogdoches, Panola, Rusk, Shelby | 45 min |
| May 28, 5:29 PM CDT | Severe Thunderstorm Warning | SHV | Harrison | 31 min |
| May 28, 5:37 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 38 min |
| May 28, 5:41 PM CDT | Severe Thunderstorm Warning | SHV | Harrison, Panola | 64 min |
| May 28, 5:52 PM CDT | Severe Thunderstorm Warning | SHV | Panola, Shelby | 38 min |
| May 28, 5:54 PM CDT | Tornado Warning | SHV | Panola | 25 min |
| May 28, 6:22 PM CDT | Severe Thunderstorm Warning | SHV | Panola, Shelby | 53 min |
| May 28, 6:40 PM CDT | Severe Thunderstorm Warning | SHV | Sabine, San Augustine, Shelby | 50 min |
| May 28, 6:48 PM CDT | Flash Flood Warning | SHV | Angelina, Cherokee, Nacogdoches, Rusk | 3 hr |
| May 28, 6:52 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 53 min |
| May 28, 8:08 AM CDT | Special Weather Statement | SHV | Jackson, Lincoln, Ouachita, Union | 37 min |
| May 28, 9:53 AM CDT | Special Weather Statement | SHV | Bossier, Caddo, Claiborne, De Soto, Webster | 37 min |
| May 28, 10:33 AM CDT | Special Weather Statement | SHV | Claiborne, Webster | 42 min |
| May 28, 10:50 AM CDT | Special Weather Statement | SHV | Bossier | 40 min |
| May 28, 11:17 AM CDT | Special Weather Statement | SHV | Webster | 43 min |
| May 28, 1:48 PM CDT | Special Weather Statement | SHV | Caldwell | 42 min |
| May 28, 5:46 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Claiborne, Webster | 59 min |
| May 28, 6:32 PM CDT | Flash Flood Warning | SHV | Bienville, Bossier, Caddo, De Soto, Red River, Webster | 3 hr |
| May 28, 6:51 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, De Soto, Natchitoches, Red River and 3 more | 54 min |
Nearby
Tornado Warnings in Louisiana, 2017Tornado 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.