Alert archive / Texas / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 49, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Feb 18, 2013, 5:11 PM CST for Cherokee County, Rusk County, Smith County, Texas. It was in force for 34 min. 2 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
- Feb 18, 2013, 5:11 PM CST (23:11 UTC)
- Expired
- Feb 18, 2013, 5:45 PM CST
- In force
- 34 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
Counties Cherokee County, TX, Rusk County, TX, Smith County, TX
The radar
The Shreveport radar (KSHV), 103 km from the middle of the area, began a volume at 23:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 18, 5:27 PM CST | TORNADO | 11 Ene New Summerfield, TX | AN EF0 TORNADO UPROOTED SEVERAL TREES AND SNAPPED LARGE BRANCHES ALONG FM 1798 AND FM 839 NEAR CAT CREEK. THE PATH LENGTH WAS 1.15 MILES...THE PATH WIDTH WAS 0.15 MILES...AND MAXIMUM WINDS WERE ESTIMATED AT 75 MPH. |
| Feb 18, 5:28 PM CST | HAIL 0.75 | 5 Sw Henderson, TX | INTERSECTION OF FM 839 AND HWY 79 |
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 |
|---|---|---|---|
| Feb 18, 2:19 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 11.2 hours before the alert went out and 112 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 510 m²/s²
- 0-3 km storm-relative helicity
- 670 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
312 WUUS54 KSHV 182311 SVRSHV TXC073-401-423-182345- /O.NEW.KSHV.SV.W.0049.130218T2311Z-130218T2345Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 511 PM CST MON FEB 18 2013 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL CHEROKEE COUNTY IN NORTHEAST TEXAS... CENTRAL RUSK COUNTY IN NORTHEAST TEXAS... THIS INCLUDES THE CITY OF HENDERSON... SOUTHEASTERN SMITH COUNTY IN NORTHEAST TEXAS... * UNTIL 545 PM CST * AT 509 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR TROUP...OR 13 MILES NORTHEAST OF JACKSONVILLE...AND MOVING EAST AT 40 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TURNERTOWN AND JOINERVILLE... PRECAUTIONARY/PREPAREDNESS ACTIONS... NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE DETECTED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 3228 9471 3207 9463 3197 9514 3214 9520 TIME...MOT...LOC 2311Z 254DEG 35KT 3208 9507 $$ 05
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 3:02 PM CST | Severe Thunderstorm Warning | SHV | Bowie, Cass | 58 min |
| Feb 18, 4:26 PM CST | Severe Thunderstorm Warning | SHV | Gregg, Rusk, Smith | 49 min |
| Feb 18, 4:29 PM CST | Severe Thunderstorm Warning | SHV | Cass, Marion | 46 min |
| Feb 18, 5:13 PM CST | Tornado Warning | SHV | Gregg, Panola, Rusk | 32 min |
| Feb 18, 5:16 PM CST | Severe Thunderstorm Warning | SHV | Harrison, Marion | 29 min |
| Feb 18, 5:26 PM CST | Tornado Warning | SHV | Nacogdoches, Panola, Rusk, Shelby | 34 min |
| Feb 18, 5:45 PM CST | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 45 min |
| Feb 18, 5:45 PM CST | Tornado Warning | SHV | Panola, Rusk | 45 min |
| Feb 18, 5:49 PM CST | Severe Thunderstorm Warning | SHV | Marion | 26 min |
| Feb 18, 5:59 PM CST | Tornado Warning | SHV | Nacogdoches, Panola, Rusk, Shelby | 46 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013
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.