Alert archive / Texas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 113, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 20, 2017, 6:19 PM CDT for Jasper County, Tyler County, Texas. It was in force for 56 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 20, 2017, 6:19 PM CDT (23:19 UTC)
- Expired
- May 20, 2017, 7:15 PM CDT
- In force
- 56 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Jasper County, TX, Tyler County, TX
The radar
The Lake Charles radar (KLCH), 123 km from the middle of the area, began a volume at 23:21 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 nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.3 hours before the alert went out and 124 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
- 2446 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 548 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.1
The text
As transmitted.
512 WUUS54 KLCH 202319 SVRLCH TXC241-457-210015- /O.NEW.KLCH.SV.W.0113.170520T2319Z-170521T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Lake Charles LA 619 PM CDT SAT MAY 20 2017 The National Weather Service in Lake Charles has issued a * Severe Thunderstorm Warning for... Southern Tyler County in southeastern Texas... East central Jasper County in southeastern Texas... * Until 715 PM CDT * At 619 PM CDT, a severe thunderstorm was located over Warren, moving east at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Warren, Town Bluff, Fred, Spurger, Magnolia Springs, Mt. Union, Ivanhoe and Hillister. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail and continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3068 9458 3085 9404 3052 9395 3053 9455 TIME...MOT...LOC 2319Z 251DEG 15KT 3060 9445 HAIL...1.00IN WIND...<50MPH $$ Tingler
1 follow-up statement
538 WWUS54 KLCH 210000 SVSLCH Severe Weather Statement National Weather Service Lake Charles LA 700 PM CDT SAT MAY 20 2017 TXC241-457-210015- /O.CON.KLCH.SV.W.0113.000000T0000Z-170521T0015Z/ Tyler TX-Jasper TX- 700 PM CDT SAT MAY 20 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTHEASTERN TYLER AND EAST CENTRAL JASPER COUNTIES... At 659 PM CDT, a severe thunderstorm was located near Warren, moving east at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Fred, Warren, Magnolia Springs, Mt. Union and Spurger. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3060 9445 3075 9401 3052 9395 3053 9455 TIME...MOT...LOC 2359Z 272DEG 11KT 3057 9434 HAIL...1.00IN WIND...<50MPH $$ Tingler
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 9:00 AM CDT | Special Weather Statement | LCH | Tyler | 60 min |
| May 20, 3:19 PM CDT | Special Weather Statement | LCH | Tyler | 56 min |
| May 20, 3:54 PM CDT | Severe Thunderstorm Warning | LCH | Jasper, Newton | 51 min |
| May 20, 4:40 PM CDT | Severe Thunderstorm Warning | LCH | Jasper, Newton | 50 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2017Every severe thunderstorm warning 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.