Alert archive / Louisiana / Tornado Warnings in 2016
Tornado Warning 1, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Jan 21, 2016, 1:17 PM CST for Natchitoches Parish, Sabine Parish, Louisiana. It was in force for 28 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
- Jan 21, 2016, 1:17 PM CST (19:17 UTC)
- Expired
- Jan 21, 2016, 1:45 PM CST
- In force
- 28 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Natchitoches Parish, LA, Sabine Parish, LA
The radar
The Ft Polk radar (KPOE), 54 km from the middle of the area, began a volume at 19:16 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 |
|---|---|---|---|
| Jan 21, 11:48 AM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KBAD), launched 12:00Z, 7.3 hours before the alert went out and 111 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
- 431 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 203 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
221
WFUS54 KSHV 211917
TORSHV
LAC069-085-211945-
/O.NEW.KSHV.TO.W.0001.160121T1917Z-160121T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
117 PM CST THU JAN 21 2016
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN NATCHITOCHES PARISH IN NORTHWESTERN LOUISIANA...
EAST CENTRAL SABINE PARISH IN NORTHWESTERN LOUISIANA...
* UNTIL 145 PM CST
* AT 116 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 9 MILES EAST OF MANY...OR 18 MILES SOUTHWEST OF
NATCHITOCHES...MOVING NORTHEAST AT 35 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...
NATCHITOCHES AROUND 145 PM CST.
OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE FLORA...
NATCHEZ...BERMUDA AND PROVENCAL.
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 3148 9334 3156 9340 3180 9310 3162 9296
TIME...MOT...LOC 1916Z 235DEG 30KT 3155 9331
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
121 follow-up statement
736
WWUS54 KSHV 211928
SVSSHV
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
128 PM CST THU JAN 21 2016
LAC069-085-211945-
/O.CON.KSHV.TO.W.0001.000000T0000Z-160121T1945Z/
NATCHITOCHES LA-SABINE LA-
128 PM CST THU JAN 21 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CST FOR
SOUTHWESTERN NATCHITOCHES AND EASTERN SABINE PARISHES...
AT 128 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 12 MILES SOUTHWEST OF NATCHITOCHES...MOVING NORTHEAST AT
35 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHWESTERN NATCHITOCHES AND EASTERN SABINE PARISHES...INCLUDING THE
FOLLOWING LOCATIONS: FLORA...NATCHEZ...PROVENCAL AND BERMUDA.
LAT...LON 3152 9322 3158 9328 3178 9309 3162 9296
TIME...MOT...LOC 1928Z 240DEG 30KT 3159 9319
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
12The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 4:17 AM CST | Severe Thunderstorm Warning | SHV | Sabine | 28 min |
| Jan 21, 5:41 AM CST | Special Weather Statement | SHV | De Soto | 49 min |
| Jan 21, 5:43 AM CST | Special Weather Statement | SHV | Grant | 47 min |
| Jan 21, 6:44 AM CST | Special Weather Statement | SHV | Red River | 46 min |
| Jan 21, 6:49 AM CST | Severe Thunderstorm Warning | SHV | Bienville, Natchitoches, Red River | 41 min |
| Jan 21, 7:00 AM CST | Special Weather Statement | SHV | Webster | 45 min |
| Jan 21, 7:44 AM CST | Special Weather Statement | SHV | Union | 16 min |
| Jan 21, 7:45 AM CST | Special Weather Statement | SHV | Union | 45 min |
| Jan 21, 12:24 PM CST | Special Weather Statement | SHV | Bienville, Red River | 51 min |
| Jan 21, 1:07 PM CST | Special Weather Statement | SHV | Natchitoches | 38 min |
| Jan 21, 1:13 PM CST | Severe Thunderstorm Warning | SHV | Grant, Natchitoches, Sabine, Winn | 47 min |
| Jan 21, 2:05 PM CST | Severe Thunderstorm Warning | SHV | LaSalle | 25 min |
| Jan 21, 3:50 PM CST | Lake Wind Advisory | SHV | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more | 26 hr |
| Jan 21, 4:11 PM CST | Winter Weather Advisory | SHV | Claiborne, Ouachita, Union | 16 hr |
Nearby
Tornado Warnings in Louisiana, 2016Every tornado warning in 2016Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.