Alert archive / Louisiana / Tornado Warnings in 2017
Tornado Warning 50, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Apr 30, 2017, 4:34 AM CDT for Morehouse Parish, Richland Parish, West Carroll Parish, Louisiana. It was in force for 56 min. 3 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
- Apr 30, 2017, 4:34 AM CDT (09:34 UTC)
- Expired
- Apr 30, 2017, 5:30 AM CDT
- In force
- 56 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Morehouse Parish, LA, Richland Parish, LA, West Carroll Parish, LA
The radar
The Jackson/Brandon,MS radar (KDGX), 169 km from the middle of the area, began a volume at 09:38 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 30, 4:44 AM CDT | TORNADO | 2 W Oak Ridge, LA | EF-1 WITH MAX WINDS OF 96 MPH. 5.72 MILE PATH LENGTH. 50 YARDS MAX WIDTH. THE BEST DAMAGE OCCURRED NEAR THE INTERSECTION OF SCHOOL HOUSE LANE AND SIDNEY WHITE RD. A WELL-STRUCTURED HOME HAD SIGNIFICANT ROOF DAMAGE, AND PLAYHOUSE AND SHED WERE COMPLETELY DESTRO |
| Apr 30, 4:50 AM CDT | TORNADO | 2 W Oak Ridge, LA | TREES AND POWER LINES DOWN ALONG WITH SIGNIFICANT ROOF DAMAGE TO A HOME. DEBRIS SIGNATURE ALSO NOTED FROM KULM RADAR. |
| Apr 30, 4:55 AM CDT | TSTM WND DMG | 2 N Oak Ridge, LA | TREES DOWN ALONG HWY 425 N, POSSIBLE CONTINUATION OF TORNADO W OF OAK RIDGE. |
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 30, 1:49 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 9.6 hours before the alert went out and 159 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
- 1340 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1169 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 10.9
The text
As transmitted.
590
WFUS54 KJAN 300934
TORJAN
LAC067-083-123-301030-
/O.NEW.KJAN.TO.W.0050.170430T0934Z-170430T1030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
434 AM CDT SUN APR 30 2017
The National Weather Service in Jackson has issued a
* Tornado Warning for...
Morehouse Parish in northeastern Louisiana...
Northwestern Richland Parish in northeastern Louisiana...
West Carroll Parish in northeastern Louisiana...
* Until 530 AM CDT
* At 433 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Swartz, moving northeast at 45 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...
Galion around 505 AM CDT.
Goodwill around 510 AM CDT.
Jones around 520 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Forest, Bonita, Collinston, Mer Rouge, Pioneer and Oak Ridge.
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 3271 9201 3301 9170 3301 9141 3293 9130
3288 9131 3287 9132 3287 9134 3284 9135
3275 9135 3244 9194 3246 9194 3252 9190
3260 9193 3266 9191 3267 9193 3266 9194
3271 9197
TIME...MOT...LOC 0933Z 225DEG 37KT 3257 9194
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
NF3 follow-up statements
643
WWUS54 KJAN 300957
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
457 AM CDT SUN APR 30 2017
LAC067-083-123-301030-
/O.CON.KJAN.TO.W.0050.000000T0000Z-170430T1030Z/
Morehouse LA-Richland LA-West Carroll LA-
457 AM CDT SUN APR 30 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CDT FOR CENTRAL
MOREHOUSE...NORTH CENTRAL RICHLAND AND WEST CARROLL PARISHES...
At 456 AM CDT, a severe thunderstorm capable of producing a tornado
was located 12 miles southeast of Bastrop, moving northeast at 35
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Goodwill around 520 AM CDT.
Oak Grove around 530 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Forest, Bonita, Collinston, Mer Rouge, Pioneer and Oak Ridge.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3301 9170 3301 9141 3293 9130 3288 9131
3287 9132 3287 9134 3284 9135 3275 9135
3251 9181 3252 9183 3263 9189 3270 9188
3284 9187
TIME...MOT...LOC 0956Z 231DEG 30KT 3266 9174
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
NF867
WWUS54 KJAN 301012
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
512 AM CDT SUN APR 30 2017
LAC083-301021-
/O.CAN.KJAN.TO.W.0050.000000T0000Z-170430T1030Z/
Richland LA-
512 AM CDT SUN APR 30 2017
...THE TORNADO WARNING FOR NORTH CENTRAL RICHLAND PARISH IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has weakened
and moved out of the warned area. Therefore, the warning has been
cancelled.
A tornado watch remains in effect until 900 AM CDT for southeastern
Arkansas...and northeastern Louisiana.
LAT...LON 3301 9170 3301 9141 3293 9130 3291 9131
3288 9131 3287 9132 3287 9134 3284 9135
3282 9135 3272 9159 3274 9173 3288 9180
TIME...MOT...LOC 1011Z 210DEG 42KT 3288 9160
$$
LAC067-123-301030-
/O.CON.KJAN.TO.W.0050.000000T0000Z-170430T1030Z/
Morehouse LA-West Carroll LA-
512 AM CDT SUN APR 30 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CDT FOR
NORTHEASTERN MOREHOUSE AND NORTHERN WEST CARROLL PARISHES...
At 511 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Jones, or 12 miles south of Wilmot, moving northeast
at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Jones around 515 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Bonita.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3301 9170 3301 9141 3293 9130 3291 9131
3288 9131 3287 9132 3287 9134 3284 9135
3282 9135 3272 9159 3274 9173 3288 9180
TIME...MOT...LOC 1011Z 210DEG 42KT 3288 9160
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
NF754
WWUS54 KJAN 301021
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
521 AM CDT SUN APR 30 2017
LAC067-123-301030-
/O.EXP.KJAN.TO.W.0050.000000T0000Z-170430T1030Z/
Morehouse LA-West Carroll LA-
521 AM CDT SUN APR 30 2017
...THE TORNADO WARNING FOR NORTHEASTERN MOREHOUSE AND NORTHERN WEST
CARROLL PARISHES WILL EXPIRE AT 530 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However gusty winds
and heavy rain are still possible with this thunderstorm.
A tornado watch remains in effect until 900 AM CDT for southeastern
Arkansas...and northeastern Louisiana.
LAT...LON 3301 9170 3301 9141 3293 9130 3291 9131
3288 9131 3287 9132 3287 9134 3284 9135
3282 9135 3272 9159 3274 9173 3288 9180
TIME...MOT...LOC 1020Z 225DEG 37KT 3294 9153
$$
DLThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 4:40 AM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia | 50 min |
| Apr 30, 5:29 AM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia | 61 min |
| Apr 30, 5:47 AM CDT | Severe Thunderstorm Warning | JAN | Tensas | 58 min |
| Apr 30, 6:10 AM CDT | Flash Flood Warning | JAN | Concordia | 4 hr |
| Apr 30, 6:14 AM CDT | Tornado Warning | JAN | Concordia | 34 min |
| Apr 30, 6:34 AM CDT | Severe Thunderstorm Warning | JAN | Madison, Tensas | 56 min |
| Apr 30, 6:43 AM CDT | Tornado Warning | JAN | Madison, Tensas | 62 min |
Nearby
Tornado Warnings in Louisiana, 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.