Alert archive / Louisiana / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 11, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Feb 5, 2020, 11:19 AM CST for Vernon Parish, Louisiana. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 5, 2020, 11:19 AM CST (17:19 UTC)
- Expired
- Feb 5, 2020, 12:00 PM CST
- In force
- 41 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Vernon Parish, LA
The radar
The Ft Polk radar (KPOE), 20 km from the middle of the area, began a volume at 17:23 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, 5.3 hours before the alert went out and 110 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
- 1732 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 526 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 8.6
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 5, 11:10 AM CST, 9 minutes earlier.
Area forecast discussion, Feb 5, 11:10 AM CST, 9 minutes before
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</html>Hazardous weather outlook, Feb 5, 4:56 AM CST, 6 hours 23 minutes before
Hazardous Weather Outlook National Weather Service Lake Charles LA 456 AM CST Wed Feb 5 2020 GMZ430-432-435-LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216- 259>262-061100- Sabine Lake-Calcasieu Lake-Vermilion Bay-Vernon-Rapides-Avoyelles- Beauregard-Allen-Evangeline-St. Landry-Calcasieu-Jefferson Davis- Acadia-Lafayette-Upper St. Martin-Vermilion-Iberia-St. Mary- Lower St. Martin-West Cameron-East Cameron-Tyler-Hardin-Jefferson- Orange-Northern Jasper-Northern Newton-Southern Jasper- Southern Newton- 456 AM CST Wed Feb 5 2020 This Hazardous Weather Outlook is for central Louisiana, south central Louisiana, southwest Louisiana, west central Louisiana, southeast Texas and the coastal lakes and bays of the Gulf of Mexico. .DAY ONE...Today and tonight. There is a probability of Slight Risk for Severe Storms along and east of a line from Leesville to Lake Charles to Cameron. Damaging straight line wind gusts is the main concern. However, a tornado or large hail can not be ruled out. Also, occasional cloud to ground lightning and locally heavy down pours are also possible with the storms. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. A light freeze will be possible on Thursday night and early Friday morning for areas mainly north of the I-10 corridor. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ455-475-061100- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- Waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 456 AM CST Wed Feb 5 2020 ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST THURSDAY... This Hazardous Weather Outlook is for the Gulf of Mexico. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Small Craft Advisory. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Small Craft Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ450-452-470-472-061100- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Waters from Cameron LA to High Island TX from 20 to 60 NM- Waters from Intracoastal City to Cameron LA from 20 to 60 NM- 456 AM CST Wed Feb 5 2020 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... This Hazardous Weather Outlook is for the Gulf of Mexico. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Small Craft Advisory. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Small Craft Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Feb 5, 11:14 AM CST, 5 minutes before
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</html>The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 5, 3:27 AM CST | Small Craft Advisory | LCH | 48 hr | |
| Feb 5, 7:21 AM CST | Marine Dense Fog Advisory | LCH | 14 hr | |
| Feb 5, 10:27 AM CST | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu | 24 min |
| Feb 5, 10:49 AM CST | Severe Thunderstorm Warning | LCH | Beauregard, Vernon | 41 min |
| Feb 5, 11:14 AM CST | Special Weather Statement | LCH | Beauregard | 31 min |
| Feb 5, 11:30 AM CST | Severe Thunderstorm Warning | LCH | Vernon | 30 min |
| Feb 5, 11:35 AM CST | Special Weather Statement | LCH | Vernon | 40 min |
| Feb 5, 11:47 AM CST | Severe Thunderstorm Warning | LCH | Rapides, Vernon | 27 min |
| Feb 5, 12:02 PM CST | Special Weather Statement | LCH | Vernon | 43 min |
| Feb 5, 12:20 PM CST | Severe Thunderstorm Warning | LCH | Vernon | 11 min |
| Feb 5, 12:24 PM CST | Special Weather Statement | LCH | Saint Martin | 51 min |
| Feb 5, 12:50 PM CST | Special Weather Statement | LCH | Avoyelles | 40 min |
| Feb 5, 12:57 PM CST | Special Weather Statement | LCH | Iberia, Saint Martin | 63 min |
| Feb 5, 1:19 PM CST | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, Vermilion | 56 min |
| Feb 5, 1:34 PM CST | Special Weather Statement | LCH | Lafayette | 41 min |
| Feb 5, 1:46 PM CST | Severe Thunderstorm Warning | LCH | Iberia, Lafayette, Saint Landry, Saint Martin, Vermilion | 37 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2020Every severe thunderstorm warning in 2020
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.