Alert archive / Texas / Tornado Warnings in 2011
Tornado Warning 84, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Nov 8, 2011, 2:14 PM CST for Smith County, Upshur County, Wood County, Texas. It was in force for 31 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
- Nov 8, 2011, 2:14 PM CST (20:14 UTC)
- Expired
- Nov 8, 2011, 2:45 PM CST
- In force
- 31 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
Counties Smith County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 134 km from the middle of the area, began a volume at 20:14 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 |
|---|---|---|---|
| Nov 8, 10:49 AM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 8.2 hours before the alert went out and 143 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
- 12 J/kg
- Mixed-layer CIN
- -185 J/kg
- Mixed-layer LCL
- 496 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 361 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
332 WFUS54 KSHV 082014 TORSHV TXC423-459-499-082045- /O.NEW.KSHV.TO.W.0084.111108T2014Z-111108T2045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 214 PM CST TUE NOV 8 2011 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL SMITH COUNTY IN NORTHEAST TEXAS... SOUTHWESTERN UPSHUR COUNTY IN NORTHEAST TEXAS... SOUTHEASTERN WOOD COUNTY IN NORTHEAST TEXAS... * UNTIL 245 PM CST * AT 210 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LINDALE... OR 11 MILES NORTHWEST OF TYLER...MOVING NORTHEAST AT 30 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HAWKINS AND BIG SANDY... 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. 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 3270 9526 3257 9507 3241 9531 3250 9543 TIME...MOT...LOC 2014Z 224DEG 26KT 3250 9536 $$ 23
1 follow-up statement
245 WWUS54 KSHV 082029 SVSSHV SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 229 PM CST TUE NOV 8 2011 TXC423-459-499-082045- /O.CON.KSHV.TO.W.0084.000000T0000Z-111108T2045Z/ SMITH TX-UPSHUR TX-WOOD TX- 229 PM CST TUE NOV 8 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CST FOR WOOD... UPSHUR AND SMITH COUNTIES... AT 227 PM CST...USING DOPPLER RADAR...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR HAWKINS...OR 16 MILES WEST OF GLADEWATER...MOVING NORTHEAST AT 35 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BIG SANDY PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WARNING MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM... MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. && LAT...LON 3265 9519 3257 9507 3247 9523 3257 9528 TIME...MOT...LOC 2029Z 238DEG 31KT 3256 9520 $$ 23
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 8, 1:13 PM CST | Tornado Warning | SHV | Cherokee, Nacogdoches | 32 min |
| Nov 8, 1:43 PM CST | Tornado Warning | SHV | Nacogdoches, Rusk | 47 min |
| Nov 8, 1:47 PM CST | Severe Thunderstorm Warning | SHV | Camp, Franklin, Smith, Upshur, Wood | 58 min |
| Nov 8, 2:27 PM CST | Tornado Warning | SHV | Panola, Rusk, Shelby | 11 min |
| Nov 8, 2:36 PM CST | Tornado Warning | SHV | Smith | 11 min |
| Nov 8, 2:42 PM CST | Tornado Warning | SHV | Smith, Upshur | 21 min |
| Nov 8, 3:00 PM CST | Severe Thunderstorm Warning | SHV | Cherokee, Gregg, Rusk, Smith | 45 min |
| Nov 8, 3:02 PM CST | Severe Thunderstorm Warning | SHV | Camp, Cass, Gregg, Harrison, Marion, Morris and 1 more | 43 min |
| Nov 8, 3:21 PM CST | Tornado Warning | SHV | Nacogdoches, Panola, Rusk | 24 min |
| Nov 8, 3:58 PM CST | Severe Thunderstorm Warning | SHV | Panola, Shelby | 47 min |
| Nov 8, 4:30 PM CST | Tornado Warning | SHV | Panola, Shelby | 30 min |
Nearby
Tornado Warnings in Texas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.