Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 70, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at May 11, 2017, 7:27 PM CDT for Panola County, Texas. It was in force for 33 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
- May 11, 2017, 7:27 PM CDT (00:27 UTC)
- Expired
- May 11, 2017, 8:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Panola County, TX
The radar
The Shreveport radar (KSHV), 72 km from the middle of the area, began a volume at 00:28 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 |
|---|---|---|---|
| May 11, 2:43 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Shreveport, LA (KBAD), launched 00:00Z, 0.5 hours before the alert went out and 81 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
- 1602 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 920 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 7.0
The text
As transmitted.
607
WFUS54 KSHV 120027
TORSHV
TXC365-120100-
/O.NEW.KSHV.TO.W.0070.170512T0027Z-170512T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
727 PM CDT THU MAY 11 2017
The National Weather Service in Shreveport has issued a
* Tornado Warning for...
Northwestern Panola County in northeastern Texas...
* Until 800 PM CDT
* At 726 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Pinehill, or 13 miles east of Henderson, moving
northeast at 30 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...
Beckville around 750 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Fairplay.
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 3214 9458 3216 9458 3231 9448 3221 9433
3207 9459 3214 9459
TIME...MOT...LOC 0026Z 222DEG 25KT 3212 9457
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
133 follow-up statements
958
WWUS54 KSHV 120036
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
736 PM CDT THU MAY 11 2017
TXC365-120100-
/O.CON.KSHV.TO.W.0070.000000T0000Z-170512T0100Z/
Panola TX-
736 PM CDT THU MAY 11 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHWESTERN PANOLA COUNTY...
At 736 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Pinehill, or 11 miles west of Carthage, moving
northeast at 30 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Beckville around 750 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Fairplay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3217 9457 3231 9448 3221 9433 3214 9453
TIME...MOT...LOC 0036Z 221DEG 24KT 3216 9454
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
13576
WWUS54 KSHV 120048
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
748 PM CDT THU MAY 11 2017
TXC365-120100-
/O.CON.KSHV.TO.W.0070.000000T0000Z-170512T0100Z/
Panola TX-
748 PM CDT THU MAY 11 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR WEST
CENTRAL PANOLA COUNTY...
At 748 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Beckville, or 7 miles northwest of Carthage, 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
west central Panola County.
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 3222 9451 3229 9445 3221 9433 3217 9444
TIME...MOT...LOC 0048Z 237DEG 32KT 3222 9442
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
13168
WWUS54 KSHV 120053
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
753 PM CDT THU MAY 11 2017
TXC365-120102-
/O.EXP.KSHV.TO.W.0070.000000T0000Z-170512T0100Z/
Panola TX-
753 PM CDT THU MAY 11 2017
...THE TORNADO WARNING FOR WEST CENTRAL PANOLA COUNTY WILL EXPIRE AT
800 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
A severe thunderstorm watch remains in effect until 1000 PM CDT for
northeastern Texas.
LAT...LON 3222 9451 3229 9445 3221 9433 3217 9444
TIME...MOT...LOC 0052Z 222DEG 25KT 3224 9440
$$
13The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 7:08 PM CDT | Tornado Warning | SHV | Panola, Rusk | 19 min |
| May 11, 7:11 PM CDT | Tornado Warning | SHV | Cherokee, Nacogdoches, Rusk | 24 min |
| May 11, 7:40 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee, Nacogdoches | 65 min |
| May 11, 7:56 PM CDT | Special Weather Statement | SHV | Marion | 49 min |
| May 11, 8:32 PM CDT | Tornado Warning | SHV | Nacogdoches, Rusk, Shelby | 43 min |
| May 11, 8:44 PM CDT | Severe Thunderstorm Warning | SHV | Nacogdoches, Rusk, San Augustine, Shelby | 50 min |
| May 11, 9:00 PM CDT | Tornado Warning | SHV | Shelby | 29 min |
| May 11, 9:08 PM CDT | Tornado Warning | SHV | Camp, Franklin, Titus, Wood | 52 min |
| May 11, 9:17 PM CDT | Severe Thunderstorm Warning | SHV | Shelby | 43 min |
| May 11, 9:46 PM CDT | Severe Thunderstorm Warning | SHV | Camp, Cass, Morris, Titus | 44 min |
| May 11, 10:21 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Smith | 54 min |
| May 11, 11:07 PM CDT | Special Weather Statement | SHV | Franklin, Titus, Wood | 38 min |
| May 11, 11:18 PM CDT | Special Weather Statement | SHV | Rusk | 42 min |
| May 11, 11:51 PM CDT | Special Weather Statement | SHV | Titus | 39 min |
| May 12, 12:02 AM CDT | Special Weather Statement | SHV | Upshur | 58 min |
| May 12, 12:40 AM CDT | Special Weather Statement | SHV | Angelina, Nacogdoches, San Augustine, Shelby | 50 min |
| May 12, 4:32 AM CDT | Lake Wind Advisory | SHV | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 13 hr |
Nearby
Tornado Warnings in Texas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.