Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 31, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Mar 27, 2017, 12:17 AM CDT for Bowie County, Red River County, Texas; McCurtain County, Oklahoma. It was in force for 28 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
- Mar 27, 2017, 12:17 AM CDT (05:17 UTC)
- Expired
- Mar 27, 2017, 12:45 AM CDT
- In force
- 28 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties McCurtain County, OK, Bowie County, TX, Red River County, TX
The radar
The Shreveport radar (KSHV), 171 km from the middle of the area, began a volume at 05:16 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 |
|---|---|---|---|
| Mar 26, 8:49 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KBAD), launched 00:00Z, 5.3 hours before the alert went out and 173 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
- 139 J/kg
- Mixed-layer CIN
- -163 J/kg
- Mixed-layer LCL
- 1965 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
347
WFUS54 KSHV 270517
TORSHV
OKC089-TXC037-387-270545-
/O.NEW.KSHV.TO.W.0031.170327T0517Z-170327T0545Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
1217 AM CDT MON MAR 27 2017
The National Weather Service in Shreveport has issued a
* Tornado Warning for...
Southeastern McCurtain County in southeastern Oklahoma...
Northwestern Bowie County in northeastern Texas...
Central Red River County in northeastern Texas...
* Until 1245 AM CDT
* At 1217 AM CDT, a severe thunderstorm capable of producing a
tornado was located near Clarksville, moving northeast at 55 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...
Idabel around 1235 AM CDT.
Other locations impacted by this tornadic thunderstorm include
English, Haworth, Tom, Goodlake, Negley, Harris and Bryarly.
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 3357 9503 3372 9514 3400 9471 3371 9452
TIME...MOT...LOC 0517Z 240DEG 49KT 3369 9500
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
19The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 11:31 PM CDT | Severe Thunderstorm Warning | SHV | Red River | 59 min |
| Mar 27, 12:48 AM CDT | Severe Thunderstorm Warning | SHV | Bowie, Franklin, Red River, Titus | 23 min |
| Mar 27, 12:19 AM CDT | Tornado Warning | SHV | McCurtain | 41 min |
| Mar 27, 12:37 AM CDT | Severe Thunderstorm Warning | SHV | McCurtain | 53 min |
Nearby
Tornado Warnings in Texas, 2017Tornado Warnings in Oklahoma, 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.