Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 150, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 31, 1998, 5:55 PM CDT for Orange County, Texas. It was in force for 75 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 31, 1998, 5:55 PM CDT (22:55 UTC)
- Expired
- Aug 31, 1998, 7:10 PM CDT
- In force
- 75 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Orange County, TX
The radar
The Lake Charles radar (KLCH), 65 km from the middle of the area, began a volume at 22:55 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 |
|---|---|---|---|
| Aug 31, 6:23 PM CDT | Thunderstorm Wind | Vidor, 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, 10.9 hours before the alert went out and 67 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
- 617 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- -39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
094 WUUS1 KLCH 312257 RRA SVRLCH TXC361-010010- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 555 PM CDT MON AUG 31 1998 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ORANGE COUNTY IN SOUTHEASTERN TEXAS * UNTIL 710 PM CDT * AT 554 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN THE VICINITY OF ORANGE MOVING SOUTHWEST AT 15 MPH. * THIS STORM CAN BE EXPECTED NEAR... ORANGE BY 600 PM CDT THIS IS A VERY DANGEROUS STORM. FOR YOUR PROTECTION...SEEK SHELTER IN A STRONG BUILDING. MOVE TO AN INTERIOR ROOM...SUCH AS A CLOSET OR BATHROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. DO NOT STAND BY WINDOWS.
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 Aug 31, 2:28 PM CDT, 3 hours 27 minutes earlier.
Area forecast discussion, Aug 31, 2:28 PM CDT, 3 hours 27 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 228 PM CDT MON AUG 31 1998 FORECAST PROBLEM THROUGH PERIOD WILL BE DEVELOPMENT AND MOVEMENT OF TROPICAL SYSTEM IN GULF. CURRENTLY WEAK LOW LEVEL CIRCULATION LOCATED ABOUT 500 SOUTH OF SABINE PASS OR AT 23.0 N 93.5 W. LARGE AREA OF CONVECTION CONTINUES NORTH OF LOW. THIS ACTIVITY IS BEING ENHANCED BY UPPER LEVEL TROF THAT IS MOVING THROUGH SE TX. BELIEVE THIS AREA OF CONVECTION WILL BEGIN TO DISSIPATE WITH MAIN THUNDERSTORM DEVELOPMENT SHIFTING FURTHER SOUTH NEAR VICINITY OF SFC LOW. HAVE A HARD TIME BELIEVING MODELS QUICK DEVELOPMENT OF SYSTEM. UPPER LEVEL WINDS CONTINUE TO SHEAR CONVECTION...WHICH SHOULD SLOW DEVELOPMENT. STILL BELIEVE BEST SCENARIO WILL BE SLOW DEVELOPMENT...PUSHING NORTH TO NORTHEAST 36-48HRS. WITH THIS SOLUTION...AREA MAY BE UNDER SUBSIDENCE ON TUESDAY. WILL KEEP POPS SCT DUE TO UNCERTAINTY FACTOR. ATMOSPHERE WILL CONTINUE TO BE MOIST AND UNSTABLE WITH DEEP EAST / SOUTHEAST FLOW. WILL NEED TO START WATCHING TIDE LEVELS ALONG COAST AS EASTERLY WINDS STRENGTHEN. WATCHES MAY NEED TO BE ISSUED TONIGHT OR TUESDAY DEPENDING ON HOW QUICK SYSTEM DEVELOPSP. 12 LCH 73/92/72/91 2333 LFT 73/88/72/88 2445 AEX 72/95/69/93 2222 BPT 74/93/92/94 2223 TX ZONES 180>182-201 70/93/70/94 1122
In the hours before
Special weather statement, Aug 31, 3:56 PM CDT, 1 hour 59 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-010200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 356 PM CDT MON AUG 31 1998 ...TROPICAL STORM EARL FORMS IN THE SOUTHWEST GULF OF MEXICO... LATEST INFORMATION FROM A HURRICANE HUNTER AIRCRAFT REPORTED A SURFACE LOW LOCATED NEAR LATITUDE 22.7 DEGREES NORTH AND LONGITUDE 93.7 DEGREES WEST OR ABOUT 500 NAUTICAL MILES SOUTH OF THE TEXAS / LOUISIANA BORDER. SATELLITE IMAGERY CONTINUES TO INDICATE A LARGE AREA OF DISTURBED WEATHER OVER THE SOUTHWEST GULF OF MEXICO IN ASSOCIATION WITH THIS STORM. CONDITIONS ARE FAVORABLE FOR FURTHER DEVELOPMENT OF THIS SYSTEM OVER THE NEXT COUPLE OF DAYS WITH THE LIKELIHOOD OF A NORTH TO NORTHEAST MOVEMENT. WITH THIS PROJECTED TRACK...THE STORM WOULD MOVE TO THE MOUTH OF THE MISSISSIPPI RIVER BY WEDNESDAY AND REACH THE FLORIDA PANHANDLE BY THURSDAY. NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE ACROSS THE WESTERN AND CENTRAL GULF OF MEXICO IN ASSOCIATION WITH THIS FEATURE. EASTERLY WINDS WILL INCREASE IN THE COASTAL WATERS TONIGHT AND TUESDAY CREATING SEAS TO 7 FEET. SMALL CRAFT SHOULD REMAIN IN PORT. ALL INTERESTS AROUND THE GULF OF MEXICO SHOULD CONTINUE TO MONITOR THE PROGRESS OF TROPICAL STORM EARL THROUGH NOAA WEATHER RADIO AND YOUR LOCAL MEDIA OUTLETS.
Special weather statement, Aug 31, 3:56 PM CDT, 1 hour 59 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-010200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 356 PM CDT MON AUG 31 1998 ...TROPICAL STORM EARL FORMS IN THE SOUTHWEST GULF OF MEXICO... LATEST INFORMATION FROM A HURRICANE HUNTER AIRCRAFT REPORTED A SURFACE LOW LOCATED NEAR LATITUDE 22.7 DEGREES NORTH AND LONGITUDE 93.7 DEGREES WEST OR ABOUT 500 NAUTICAL MILES SOUTH OF THE TEXAS / LOUISIANA BORDER. SATELLITE IMAGERY CONTINUES TO INDICATE A LARGE AREA OF DISTURBED WEATHER OVER THE SOUTHWEST GULF OF MEXICO IN ASSOCIATION WITH THIS STORM. CONDITIONS ARE FAVORABLE FOR FURTHER DEVELOPMENT OF THIS SYSTEM OVER THE NEXT COUPLE OF DAYS WITH THE LIKELIHOOD OF A NORTH TO NORTHEAST MOVEMENT. WITH THIS PROJECTED TRACK...THE STORM WOULD MOVE TO THE MOUTH OF THE MISSISSIPPI RIVER BY WEDNESDAY AND REACH THE FLORIDA PANHANDLE BY THURSDAY. NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE ACROSS THE WESTERN AND CENTRAL GULF OF MEXICO IN ASSOCIATION WITH THIS FEATURE. EASTERLY WINDS WILL INCREASE IN THE COASTAL WATERS TONIGHT AND TUESDAY CREATING SEAS TO 7 FEET. SMALL CRAFT SHOULD REMAIN IN PORT. ALL INTERESTS AROUND THE GULF OF MEXICO SHOULD CONTINUE TO MONITOR THE PROGRESS OF TROPICAL STORM EARL THROUGH NOAA WEATHER RADIO AND YOUR LOCAL MEDIA OUTLETS.
Nearby
Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998
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.