Alert archive / Louisiana / Tornado Warnings in 2011
Tornado Warning 52, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Apr 26, 2011, 9:25 PM CDT for Bienville Parish, Jackson Parish, Lincoln Parish, Louisiana. It was in force for 35 min. 6 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 26, 2011, 9:25 PM CDT (02:25 UTC)
- Expired
- Apr 26, 2011, 10:00 PM CDT
- In force
- 35 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
Counties Bienville Parish, LA, Jackson Parish, LA, Lincoln Parish, LA
The radar
The Shreveport radar (KSHV), 117 km from the middle of the area, began a volume at 02:26 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 26, 9:25 PM CDT | TSTM WND DMG | 4 Ne Liberty Hill, LA | NUMEROUS TREES WERE BLOWN DOWN ON DOMINO ROAD NORTHEAST OF LIBERTY HILL...ABOUT A MILE SOUTHWEST OF HIGHWAY 147 NORTH OF THE MOUNT OLIVE COMMUNITY. |
| Apr 26, 9:25 PM CDT | TORNADO | 7 Wnw Quitman, LA | AN EF1 TORNADO TOUCHED DOWN 7 MILES WNW OF QUITMAN IN BIENVILLE PARISH ON DOMINO ROAD. THE TORNADO CONTINUED NORTHEAST CROSSING HWY 147...AND ENDING 8 MILES SW OF GRAMBLING NEAR THE BIENVILLE/JACKSON PARISH LINE. DAMAGE CONSISTED OF MULTIPLE HARDWOOD AND SOFTW |
| Apr 26, 9:31 PM CDT | TORNADO | 6 Sse Grambling, LA | AN EF0 TORNADO APPROXIMATELY 6 MILES IN LENGTH BLEW DOWN TREES ALONG HWY. 818 BETWEEN CLAY AND WOODVILLE IN FAR NORTHERN JACKSON PARISH. THE STORM THEN PARALLELED HWY. 167 KNOCKING DOWN TREES BEFORE DISSIPATING NEAR THE RUSTON GOLF AND COUNTRY CLUB IN THE SOUT |
| Apr 26, 9:38 PM CDT | TSTM WND DMG | 3 S Ruston, LA | POSSIBLE TORNADO. LAW ENFORCEMENT REPORTS WIDESPREAD TREES DOWN IN SOUTHWEST CORNER OF PARISH. WIDESPRED LIMBS AND OTHER DEBRIS NOTED AT INTERSECTION OF HIGHWAYS 167 AND 3061. |
| Apr 26, 9:50 PM CDT | TORNADO | 5 N Eros, LA | AN EF0 TORNADO 5 MILES IN LENGTH TOOK OUT TREES AND POWERLINES WEST OF THE INTERSECTION OF HWY. 556 AND 144. THE STORM CONTINUED ALONG 144 INTO WESTERN OUACHITA PARISH SNAPPING TREES NEAR THE INDIAN VILLAGE COMMUNITY. THE STORM DISSIPATED JUST WEST OF CALHOUN |
| Apr 26, 10:00 PM CDT | TSTM WND DMG | 3 Sw Calhoun, LA | NUMEROUS TREES DOWN ALONG HIGHWAY 144 BETWEEN CALHOUN AND EROS IN THE EXTREME WESTERN PORTIONS OF OUACHITA PARISH. POSSIBLE TORNADO. |
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 26, 4:56 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 2.4 hours before the alert went out and 109 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
- 2270 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 961 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 281 m²/s²
- 0-3 km storm-relative helicity
- 428 m²/s²
- Significant tornado parameter
- 5.6
- Supercell composite
- 23.5
The text
As transmitted, in the capitals the NWS used until 2016.
368 WFUS54 KSHV 270225 TORSHV LAC013-049-061-270300- /O.NEW.KSHV.TO.W.0052.110427T0225Z-110427T0300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 925 PM CDT TUE APR 26 2011 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * TORNADO WARNING FOR... NORTHERN JACKSON PARISH IN NORTH CENTRAL LOUISIANA... SOUTHEASTERN LINCOLN PARISH IN NORTH CENTRAL LOUISIANA... EAST CENTRAL BIENVILLE PARISH IN NORTHWEST LOUISIANA... * UNTIL 1000 PM CDT * AT 921 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LIBERTY HILL...OR 13 MILES SOUTHWEST OF GRAMBLING...MOVING EAST AT 40 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO QUITMAN...CHOUDRANT...CHATHAM AND EROS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WARNING MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM... MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. && LAT...LON 3228 9240 3232 9288 3242 9290 3262 9241 TIME...MOT...LOC 0225Z 270DEG 36KT 3238 9281 $$ ELEVEN
1 follow-up statement
708 WWUS54 KSHV 270238 SVSSHV SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 938 PM CDT TUE APR 26 2011 LAC013-270248- /O.CAN.KSHV.TO.W.0052.000000T0000Z-110427T0300Z/ BIENVILLE LA- 938 PM CDT TUE APR 26 2011 ...THE TORNADO WARNING FOR BIENVILLE PARISH IS CANCELLED... LAT...LON 3234 9273 3246 9275 3262 9241 3228 9240 TIME...MOT...LOC 0238Z 270DEG 36KT 3243 9262 $$ LAC049-061-270300- /O.CON.KSHV.TO.W.0052.000000T0000Z-110427T0300Z/ LINCOLN LA-JACKSON LA- 938 PM CDT TUE APR 26 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR JACKSON AND LINCOLN PARISHES... AT 936 PM CDT...USING DOPPLER RADAR...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A TORNADO. THIS TORNADO WAS LOCATED 7 MILES NORTHEAST OF QUITMAN...OR 7 MILES SOUTH OF RUSTON... MOVING EAST AT 40 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CHOUDRANT...CHATHAM AND EROS PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WARNING MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM... MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. && LAT...LON 3234 9273 3246 9275 3262 9241 3228 9240 TIME...MOT...LOC 0238Z 270DEG 36KT 3243 9262 $$ ELEVEN
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 7:10 PM CDT | Tornado Warning | SHV | Bossier, Caddo | 50 min |
| Apr 26, 7:18 PM CDT | Severe Thunderstorm Warning | SHV | Caddo, De Soto | 57 min |
| Apr 26, 7:22 PM CDT | Tornado Warning | SHV | Bossier, Caddo | 23 min |
| Apr 26, 7:41 PM CDT | Tornado Warning | SHV | Caddo, De Soto | 49 min |
| Apr 26, 7:44 PM CDT | Tornado Warning | SHV | Bossier, Webster | 46 min |
| Apr 26, 8:25 PM CDT | Tornado Warning | SHV | Bienville, Bossier, Caddo, De Soto, Red River, Webster | 50 min |
| Apr 26, 8:30 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, De Soto, Natchitoches, Red River | 45 min |
| Apr 26, 8:46 PM CDT | Tornado Warning | SHV | Bienville, Claiborne, Webster | 32 min |
| Apr 26, 8:52 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 38 min |
| Apr 26, 9:05 PM CDT | Tornado Warning | SHV | Bienville, Jackson, Lincoln | 25 min |
| Apr 26, 9:10 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Jackson | 50 min |
| Apr 26, 9:16 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Lincoln, Union | 44 min |
| Apr 26, 9:30 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Union | 45 min |
| Apr 26, 9:41 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 49 min |
| Apr 26, 9:49 PM CDT | Tornado Warning | SHV | Jackson, Lincoln, Ouachita, Union | 41 min |
| Apr 26, 9:56 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo, De Soto | 49 min |
| Apr 26, 9:59 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Jackson, Ouachita | 46 min |
| Apr 26, 10:02 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Claiborne, Lincoln, Webster | 43 min |
| Apr 26, 10:14 PM CDT | Severe Thunderstorm Warning | SHV | Union | 46 min |
| Apr 26, 10:14 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 46 min |
| Apr 26, 10:18 PM CDT | Tornado Warning | SHV | Jackson, Ouachita | 42 min |
| Apr 26, 10:37 PM CDT | Tornado Warning | SHV | Ouachita | 23 min |
| Apr 26, 10:46 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Claiborne, Jackson, Lincoln, Red River, Union | 44 min |
| Apr 26, 10:51 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Union | 54 min |
| Apr 26, 10:54 PM CDT | Tornado Warning | SHV | Bienville, Jackson, Natchitoches, Red River, Winn | 51 min |
| Apr 26, 10:57 PM CDT | Tornado Warning | SHV | Claiborne, Union | 45 min |
| Apr 26, 11:14 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Caldwell, Jackson, Lincoln, Ouachita, Union | 61 min |
| Apr 26, 11:28 PM CDT | Tornado Warning | SHV | Jackson, Ouachita, Union | 47 min |
| Apr 26, 11:31 PM CDT | Flash Flood Warning | SHV | Jackson, Lincoln, Ouachita | 4 hr |
| Apr 26, 11:34 PM CDT | Severe Thunderstorm Warning | SHV | De Soto, Sabine | 56 min |
| Apr 27, 12:14 AM CDT | Severe Thunderstorm Warning | SHV | Bienville, Caldwell, De Soto, Jackson, Natchitoches, Ouachita and 2 more | 61 min |
| Apr 27, 12:23 AM CDT | Severe Thunderstorm Warning | SHV | De Soto, Sabine | 67 min |
| Apr 27, 12:39 AM CDT | Tornado Warning | SHV | Natchitoches, Sabine | 46 min |
| Apr 27, 1:05 AM CDT | Severe Thunderstorm Warning | SHV | Ouachita | 44 min |
| Apr 27, 1:05 AM CDT | Tornado Warning | SHV | Caldwell, Grant, LaSalle, Natchitoches, Winn | 55 min |
| Apr 27, 1:16 AM CDT | Severe Thunderstorm Warning | SHV | Bienville, Caldwell, Grant, Jackson, LaSalle, Natchitoches and 3 more | 59 min |
| Apr 27, 1:33 AM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Red River, Sabine | 42 min |
| Apr 27, 1:44 AM CDT | Tornado Warning | SHV | Caldwell, LaSalle | 31 min |
| Apr 27, 2:00 AM CDT | Tornado Warning | SHV | Sabine | 47 min |
| Apr 27, 2:15 AM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Grant, LaSalle, Natchitoches, Winn | 60 min |
| Apr 27, 3:27 AM CDT | Flash Flood Warning | SHV | Jackson, Ouachita | 6 hr |
| Apr 27, 5:44 AM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo, Webster | 38 min |
| Apr 27, 7:30 AM CDT | Lake Wind Advisory | SHV | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more | 12 hr |
Nearby
Tornado Warnings in Louisiana, 2011Every tornado warning in 2011Tornadoes in 2011
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.