Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 72, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Feb 26, 1998, 1:42 AM CST for Tyler County, Texas. It was in force for 63 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
- Feb 26, 1998, 1:42 AM CST (07:42 UTC)
- Expired
- Feb 26, 1998, 2:45 AM CST
- In force
- 63 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Tyler County, TX
The radar
The Lake Charles radar (KLCH), 132 km from the middle of the area, began a volume at 07:42 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 |
|---|---|---|---|
| Feb 26, 2:30 AM CST | Thunderstorm Wind | Colmesneil, 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 |
|---|---|---|---|
| Feb 26, 12:00 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.7 hours before the alert went out and 134 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
- 61 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
088 WUUS1 KLCH 260744 RRA SVRLCH TXC457-260845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 142 AM CST THU FEB 26 1998 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 245 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEASTERN TEXAS ...TYLER COUNTY AT 140 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS LOCATED FROM LUFKIN TO 15 MILES WEST OF WOODVILLE. MOVEMENT WAS EAST AT 40 MPH. THE TOWNS OF CHESTER...WOODVILLE...COLMESNEIL...AND HILLISTER ARE IN THE PATH OF THIS LINE. THE MAIN THREAT FROM THIS LINE IS DAMAGING WIND GUSTS IN EXCESS OF 60 MPH. SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND TORRENTIAL RAIN. FOR YOUR PROTECTION...SEEK SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS AND AVOID USING TELEPHONES...COMPUTERS...OR OTHER ELECTRICAL EQUIPMENT UNTIL THE STORM HAS PASSED.
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 26, 1:23 AM CST, 19 minutes earlier.
Area forecast discussion, Feb 26, 1:23 AM CST, 19 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 220 AM CST THU FEB 26 1998 APPROACHING SQUALL LINE WILL AFFECT N PORTIONS OF FA AND MAY BUILD SOUTHWARD AS IT MOVES EAST. ALTHOUGH CURRENT RADAR TRENDS NOT SHOWING ANY SOUTHWARD BUILDING. SVR WIND GUSTS AND SMALL HAIL A POSSIBILITY AS THE LINE MOVES THROUGH. KLCH VWP SHOWING 45 TO 50 KT SE FLOW AT 2 KFT. LATEST SFC ANALYSIS INDICATING DW PTS IN LOWER 60S AHEAD OF LINE...PROVIDING AN ABUNDANCE OF LLM. SFC LOW WILL WORK NE UP TX COAST LATER THIS MORNING AS SFC TROF PUSHES EAST. KHGX RADAR SHOWING SHOWERS AND THUNDERSTORMS BACK TO THE SW BEHIND THE LINE AS ADDITIONAL ENERGY REMAINS BEHIND LEAD SHRT WV. FOR THIS REASON WILL INCLUDE SCT POPS FOR BPT AREA FOR MORN ACTIVITY. IN AGREEMENT WITH 94E...WHICH SHOWS FLASH FLOOD THREAT IN CEN LA AND NORTHWARD WHICH IS IN AXIS OF BEST DYNAMICS COUPLED WITH DEEP MOISTURE. DRYING WILL OCCUR BEHIND SFC TROF LATER THIS AFT. S PORTIONS OF LA WILL LIKELY SEE BEST RAIN CHC LATER IN THE MORNING AS PACIFIC FRONT MOVES THROUGH. HIGH TEMPS SHOULD MAKE IT INTO THE 70S IN BREEZY W FLOW THIS AFT. ANOTHER SFC TROF WILL APPROACH NW PORTIONS OF FA F<RIDAY NIGHT AND MAY ACT AS FOCUS FOR A FEW SHWRS IF ENOUGH MOISTURE IS PRESENT. 1 BPT 76/43/65 600 LCH 75/44/64 700 LFT 75/45/64 700 AEX 73/42/64 800
In the hours before
Special weather statement, Feb 25, 10:04 PM CST, 3 hours 38 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-261000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 1004 PM CST WED FEB 25 1998 ...THERE IS A RISK OF SEVERE THUNDERSTORMS AND ISOLATED TORNADOES ACROSS SOUTHEAST TEXAS...SOUTHWEST...SOUTH CENTRAL AND CENTRAL LOUISIANA THURSDAY MORNING... A LARGE UPPER LEVEL LOW ACROSS THE PLAINS AND A STRONG SOUTHERN BRANCH OF THE JET STREAM WILL COMBINE TO PRODUCE A SQUALL LINE ACROSS THE FORECAST AREA THURSDAY MORNING. THE ACTIVITY WILL MOVE INTO SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA BETWEEN 4 AND 5 AM AND OVERSPREAD THE REMAINDER OF THE FORECAST AREA JUST AFTER DAYBREAK. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS. FURTHERMORE...A STRONG LOW PRESSURE SYSTEM OVER SOUTH TEXAS WILL TRACK NORTHEAST AND INTO THE LOUISIANA COASTAL WATERS BY LATE MORNING. THIS WILL KEEP THE LOW-LEVEL WINDS OUT OF THE SOUTHEAST WITH WINDS ALOFT FROM THE SOUTHWEST. THIS TYPE OF VERTICAL WIND PROFILE IS FAVORABLE FOR ISOLATED TORNADOES. IN ADDITION TO THE SEVERE WEATHER THREAT...LOCALLY HEAVY RAINS WILL ACCOMPMANY THE SQUALL LINE WITH RAINFALL AMOUNTS OF 1 TO 2 INCHES. THIS MAY RESULT IN URBAN AND SMALL STREAM FLOODING MAKING FOR A DIFFICULT MORNING COMMUTE. THE ACTIVATION OF STORM SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL AND HAM RADIO OPERATORS WILL LIKELY BE REQUIRED BY EARLY MORNING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR UPDATES ON THIS WEATHER SITUATION.
Special weather statement, Feb 25, 10:04 PM CST, 3 hours 38 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-261000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 1004 PM CST WED FEB 25 1998 ...THERE IS A RISK OF SEVERE THUNDERSTORMS AND ISOLATED TORNADOES ACROSS SOUTHEAST TEXAS...SOUTHWEST...SOUTH CENTRAL AND CENTRAL LOUISIANA THURSDAY MORNING... A LARGE UPPER LEVEL LOW ACROSS THE PLAINS AND A STRONG SOUTHERN BRANCH OF THE JET STREAM WILL COMBINE TO PRODUCE A SQUALL LINE ACROSS THE FORECAST AREA THURSDAY MORNING. THE ACTIVITY WILL MOVE INTO SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA BETWEEN 4 AND 5 AM AND OVERSPREAD THE REMAINDER OF THE FORECAST AREA JUST AFTER DAYBREAK. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS. FURTHERMORE...A STRONG LOW PRESSURE SYSTEM OVER SOUTH TEXAS WILL TRACK NORTHEAST AND INTO THE LOUISIANA COASTAL WATERS BY LATE MORNING. THIS WILL KEEP THE LOW-LEVEL WINDS OUT OF THE SOUTHEAST WITH WINDS ALOFT FROM THE SOUTHWEST. THIS TYPE OF VERTICAL WIND PROFILE IS FAVORABLE FOR ISOLATED TORNADOES. IN ADDITION TO THE SEVERE WEATHER THREAT...LOCALLY HEAVY RAINS WILL ACCOMPMANY THE SQUALL LINE WITH RAINFALL AMOUNTS OF 1 TO 2 INCHES. THIS MAY RESULT IN URBAN AND SMALL STREAM FLOODING MAKING FOR A DIFFICULT MORNING COMMUTE. THE ACTIVATION OF STORM SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL AND HAM RADIO OPERATORS WILL LIKELY BE REQUIRED BY EARLY MORNING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR UPDATES ON THIS WEATHER SITUATION.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 5:59 AM CST | Severe Thunderstorm Warning | LCH | Tyler | 46 min |
| Feb 26, 6:16 AM CST | Severe Thunderstorm Warning | LCH | Jasper | 44 min |
| Feb 26, 6:47 AM CST | Severe Thunderstorm Warning | LCH | Newton | 43 min |
| Feb 26, 6:57 AM CST | Severe Thunderstorm Warning | LCH | Jefferson | 58 min |
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.