Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 55, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 2, 2000, 2:21 PM CDT for Jefferson County, Texas. It was in force for 54 min. 2 reports 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 2, 2000, 2:21 PM CDT (19:21 UTC)
- Expired
- Apr 2, 2000, 3:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Jefferson County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 2, 2:41 PM CDT | Hail 1.75 | Hamshire, TX | |
| Apr 2, 3:00 PM CDT | Hail 1 | 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 2, 12:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.4 hours before the alert went out and 111 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
- 984 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 512 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLCH 021922 SVRLCH TXC245-022015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 221 PM CDT SUN APR 2 2000 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JEFFERSON COUNTY IN SOUTHEAST TEXAS * UNTIL 315 PM CDT * AT 212 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EXTREME EAST CENTRAL CHAMBERS COUNTY... MOVING NORTHEAST AT 50 MPH. * THIS STORM WILL BE NEAR... CHINA BY 235 PM CDT 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 2984 9451 2974 9435 2997 9399 3015 9427
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 2, 1:43 PM CDT, 38 minutes earlier.
Area forecast discussion, Apr 2, 1:43 PM CDT, 38 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 143 PM CDT SUN APR 2 2000 ...A TORNADO WATCH IS IN EFFECT UNTIL 6 PM CDT... ...POSSIBLE FLOODING PROBLEM TONIGHT... .FIRST PERIOD... AT THE TOP OF THE FRICTION LAYER (NEAR 925 MB)...THE LLJ (LOW-LEVEL JET) AND ATTENDANT THETA-E (EQUIVALENT POTENTIAL TEMPERATURE) RIDGE EXTENDS FROM ALABAMA THROUGH THE MOUTH OF THE MISSISSIPPI RIVER. THIS MESO-SCALE CONFIGURATION HAS SET-UP A FRONTAL INTERFACE...SITUATED ACROSS SOUTH CENTRAL LOUISIANA. EXPECT CONVECTIVE RAINS ORGANIZING INTO LINES WITHIN THE LAFAYETTE/NEW IBERIA NEIGHBORHOOD. OTHERWISE ...CONTINUOUS STABLE RAINS ARE EXPECTED ACROSS THE REMAINDER OF THE FORECAST AREA...THE GENTLE RAINFALL RATES WILL BRING THE GROUND TO FIELD CAPACITY. LOCALIZED FLOODING MAY BE A PROBLEM...UNDULATIONS IN THE SOUTHWESTERLY CURRENT ALOFT MAY TRIGGER A FEW EMBEDDED TSTMS. FINALLY...LOW CEILINGS AND PATCHY FOG ARE LIKELY IN THE RAIN AREAS. .SECOND PERIOD... THE SYNOPTIC CONFIGURATION BECOMES COMPLICATED. THE ETA GUIDANCE DEPICTS THE 925 MB FRONTAL INTERFACE SKEDADDLING ACROSS THE FORECAST AREA...SHOVING THE CONVECTIVE RAINS TO THE EAST OF THE LAFAYETTE/NEW IBERIA NEIGHBORHOOD. SIGNIFICANT QUASI-GEOSTROPHIC LIFT (500 MB PVA) BECOMES ESTABLISHED ACROSS THE WESTERN HALF OF THE FORECAST AREA... BUT FORTUNATELY IN THE WAKE OF THE 925 MB FRONTAL INTERFACE. THE STRONG DESCENT IN THE WAKE WILL EXTINGUISH THE RAINS...BEGINNING FROM THE WEST (EARLY AFTERNOON) AND ENDING TO THE EAST (EARLY EVENING). FINALLY...THE PRIMARY SOUTHERN PLAINS COLD FRONT WILL BULLDOSE INTO UPPER SOUTHEAST TEXAS DURING THE EARLY EVENING. .THIRD PERIOD... EXPECT A RAPID COOL-DOWN AS THE SOUTHERN PLAINS COLD FRONT SPILLS INTO THE NORTHWEST GULF OF MEXICO. BRISK NORTHERS WILL BRING ABOUT CLEAR SKIES AND COLD WIND CHILLS. GUSTY WINDS MAY BE A PROBLEM... COLD AIR ADVECTION WITHIN THE FRICTION LAYER WILL PRODUCE A SUPER- ADIABATIC LAPSE RATE...WHICH ENCOURAGES DOWNWARD MOMENTUM TRANSFER. WIND GUSTS TO 30 KT ARE POSSIBLE. .FOURTH PERIOD... BRISK WINDS WILL SLOWLY RELAX BY THE AFTERNOON. AFTERNOON HIGHS WILL BE RUNNING ABOUT 10 DEG F BELOW NORMAL. 21 .LCH...TORNADO WATCH IS IN EFFECT TX...TX180>182-210-215>216 LA...LA027>029-030>033-041>043-051 PRELIMINARY NUMBERS... LCH 67/72/49/65 8820 BPT 68/74/47/65 7710 LFT 68/74/52/60 8840 AEX 65/68/47/58 7720
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 3:30 AM CDT | Severe Thunderstorm Warning | LCH | Tyler | 60 min |
| Apr 2, 3:50 AM CDT | Severe Thunderstorm Warning | LCH | Jasper | 55 min |
| Apr 2, 4:58 AM CDT | Severe Thunderstorm Warning | LCH | Hardin, Tyler | 62 min |
| Apr 2, 6:32 AM CDT | Severe Thunderstorm Warning | LCH | Hardin, Tyler | 58 min |
| Apr 2, 2:41 PM CDT | Tornado Warning | LCH | Orange | 64 min |
| Apr 2, 3:14 PM CDT | Tornado Warning | LCH | Newton | 61 min |
| Apr 2, 3:51 PM CDT | Severe Thunderstorm Warning | LCH | Jefferson | 54 min |
| Apr 2, 3:59 PM CDT | Severe Thunderstorm Warning | LCH | Orange | 61 min |
| Apr 2, 5:08 PM CDT | Severe Thunderstorm Warning | LCH | Jefferson | 67 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.