Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 38, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 16, 2001, 2:18 PM CDT for Jefferson County, Texas. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Apr 16, 2001, 2:18 PM CDT (19:18 UTC)
- Expired
- Apr 16, 2001, 3:00 PM CDT
- In force
- 42 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Jefferson County, TX
The radar
The Houston radar (KHGX), 91 km from the middle of the area, began a volume at 19:20 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 |
|---|---|---|---|
| Apr 16, 2:20 PM CDT | Hail 1.75 | Winnie, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.3 hours before the alert went out and 105 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
- 1303 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 586 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLCH 161922 SVRLCH TXC245-162000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 218 PM CDT MON APR 16 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JEFFERSON COUNTY IN SOUTHEAST TEXAS * UNTIL 300 PM CDT * AT 210 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EXTREME EAST CENTRAL CHAMBERS COUNTY... MOVING SOUTHEAST AT 15 MPH. THIS STORM WILL MOVE ACROSS SOUTHWEST JEFFERSON COUNTY BEFORE EXITING INTO THE GULF COASTAL WATERS. LARGE HAIL IS POSSIBLE WITH THIS STORM. SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN. CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE. LAT...LON 2988 9437 2972 9447 2940 9390 2963 9375
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 Apr 16, 9:30 AM CDT, 4 hours 48 minutes earlier.
Area forecast discussion, Apr 16, 9:30 AM CDT, 4 hours 48 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 930 AM CDT MON APR 16 2001 CURRENT KLCH 88D SHOWS STORMS MOVING SOUTH OVER THE COASTAL WATERS. THESE STORMS FORMED EARLY THIS MORNING ALONG AN OLD OUTFLOW BOUNDARY FROM YESTERDAYS CONVECTION. WEAK FRONT LOCATED ACROSS NORTH TEXAS AND NORTH LOUISIANA AT THE MOMENT...WITH THE MAIN COLD FRONT LOCATED NEAR THE ARKANSAS/MISSOURI BORDER WESTWARD INTO KANSAS. NO CHANGES TO THE FORECAST AT THIS TIME. .LCH...NONE .PRELIMINARY NUMBERS... BPT 83/61 70/49 3200 LCH 83/60 72/47 3200 LFT 84/60 72/45 3200 AEX 80/54 68/42 2100 24
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.