Alert archive / Texas / Tornado Warnings in 2012
Tornado Warning 32, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Apr 11, 2012, 2:50 PM CDT for Rusk County, Texas. It was in force for 40 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 11, 2012, 2:50 PM CDT (19:50 UTC)
- Expired
- Apr 11, 2012, 3:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
County Rusk County, TX
The radar
The Shreveport radar (KSHV), 99 km from the middle of the area, began a volume at 19:54 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 11, 2:51 PM CDT | TORNADO | 7 Sw Henderson, TX | TREES AND A FEW POWER LINES DOWN ON CR 468. EF0 TORNADO |
| Apr 11, 2:53 PM CDT | HAIL 1 | 1 W Henderson, TX | QUARTER SIZE HAIL FELL ON FM 13 NEAR THE RUSK COUNTY AIRPORT. |
| Apr 11, 2:55 PM CDT | TSTM WND DMG | 8 Sw Henderson, TX | NUMEROUS TREES DOWN AND POWER OUTAGES ALONG CR 468 |
| Apr 11, 3:20 PM CDT | HAIL 1 | Minden, TX | QUARTER SIZE HAIL FELL IN MINDEN. |
| Apr 11, 3:24 PM CDT | TORNADO | 6 Nnw Mount Enterprise, TX | THE EF0 TORNADO FIRST TOUCHED DOWN SOUTH OF FM 1798 ALONG COUNTY ROAD 3146 WHERE A COUPLE TREES WERE SNAPPED AND UPROOTED. THE EF0 TORNADOCONTINUED SOUTHEAST SNAPPING LARGE BRANCHES ON ALONG CR 3146 BEFORE LIFTINGEAST OF CR 3146 AND NORTH OF CR 3145. MAX WIDTH |
| Apr 11, 3:25 PM CDT | TSTM WND DMG | 7 Nw Mount Enterprise, TX | SMALL LIMBS DOWN NEAR MINDEN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 7.8 hours before the alert went out and 108 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
- 1015 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
577 WFUS54 KSHV 111950 TORSHV TXC401-112030- /O.NEW.KSHV.TO.W.0032.120411T1950Z-120411T2030Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 250 PM CDT WED APR 11 2012 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN RUSK COUNTY IN NORTHEAST TEXAS... THIS INCLUDES THE CITY OF HENDERSON... * UNTIL 330 PM CDT * AT 248 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES SOUTHWEST OF HENDERSON...MOVING SOUTHEAST AT 10 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MINDEN... 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 3201 9460 3185 9486 3211 9498 3219 9480 TIME...MOT...LOC 1950Z 317DEG 10KT 3207 9490 $$ 06
2 follow-up statements
324 WWUS54 KSHV 112009 SVSSHV SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 309 PM CDT WED APR 11 2012 TXC401-112030- /O.CON.KSHV.TO.W.0032.000000T0000Z-120411T2030Z/ RUSK TX- 309 PM CDT WED APR 11 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR RUSK COUNTY... AT 304 PM CDT...USING DOPPLER RADAR...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS THUNDERSTORM WAS LOCATED NEAR BRACHFIELD...OR 9 MILES SOUTHWEST OF HENDERSON...MOVING SOUTHEAST AT 10 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MINDEN AND LANEVILLE PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3204 9465 3193 9487 3208 9495 3214 9479 TIME...MOT...LOC 2008Z 324DEG 8KT 3204 9486 $$ 06
860 WWUS54 KSHV 112031 SVSSHV SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 331 PM CDT WED APR 11 2012 TXC401-112038- /O.EXP.KSHV.TO.W.0032.000000T0000Z-120411T2030Z/ RUSK TX- 331 PM CDT WED APR 11 2012 ...THE TORNADO WARNING FOR RUSK COUNTY WILL EXPIRE AT 330 PM CDT... THE SEVERE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO WEST OF BRANCHFIELD HAS DECREASED IN INTENSITY. LAT...LON 3204 9465 3193 9487 3208 9495 3214 9479 TIME...MOT...LOC 2028Z 324DEG 8KT 3200 9483 $$ 06
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 8:17 PM CDT | Severe Thunderstorm Warning | SHV | Bowie | 43 min |
| Apr 10, 9:40 PM CDT | Severe Thunderstorm Warning | SHV | Bowie | 35 min |
| Apr 11, 3:22 PM CDT | Tornado Warning | SHV | Rusk | 31 min |
| Apr 11, 4:01 PM CDT | Tornado Warning | SHV | Sabine, San Augustine | 44 min |
| Apr 11, 4:06 PM CDT | Tornado Warning | SHV | Nacogdoches, Shelby | 39 min |
Nearby
Tornado Warnings in Texas, 2012Every tornado warning in 2012Tornadoes in 2012
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.