Alert archive / Texas / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 39, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 25, 1993, 4:13 PM CDT for Angelina County, Texas. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Apr 25, 1993, 4:13 PM CDT (21:13 UTC)
- Expired
- Apr 25, 1993, 5:15 PM CDT
- In force
- 62 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Angelina County, TX
The nearest sounding before it
Longview/Gregg, TX (KGGG), launched 12:00Z, 9.2 hours before the alert went out and 122 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
- 1736 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 603 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 9.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBPT 252113 SVRBPT TXC005-252215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PORT ARTHUR TX 413 PM CDT SUN APR 25 1993 THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PERSONS IN THE FOLLOWING COUNTIES... IN EAST TEXAS ...ANGELINA COUNTY AT 410 PM...WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM NORWEST OF LUFKIN...JUST SOUTHEAST OF POLLOK. MOVEMENT WAS SOUTHEAST AT 20 MILES AN HOUR. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE ST ORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. NNNN
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.
In the hours before
Special weather statement, Apr 25, 12:45 PM CDT, 3 hours 28 minutes before
TXZ046-048-251845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 1245 PM CDT SUN APR 25 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 PM CDT FOR THE EAST TEXAS LAKES AREA... ...COUNTIES INCLUDED IN THE WATCH ARE NACOGDOCHES...SAN AUGUSTINE... SABINE...ANGELINA...TYLER AND JASPER... AT 1245 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A DEVELOPING LINE OF SHOWERS AND THUNDERSTORMS STRETCHING FROM THE LOUISIANA BORDER EAST OF LONGVIEW TO SOUTH OF TYLER. THE STRONGEST THUNDERSTORM WAS LOCATED IN HARRISON COUNTY SOUTHEAST OF MARSHALL. MOVEMENT WAS EAST SOUTHEAST AT 30 MILES AN HOUR. THE LINE OF THUNDERSTORMS IS FORECAST TO CONTINUE TO DEVELOP AND MOVE SOUTHEAST INTO THE EAST TEXAS LAKES AREA THIS AFTERNOON. SOME STORMS COULD PRODUCE LARGE HAIL...DANGEROUS LIGHTNING...HEAVY RAIN...AND DAMAGING WINDS. PERSONS IN THE LAKES AREA SHOULD KEEP INFORMED OF THE LATEST WEATHER INFORMATION AND BE PREPARED TO MOVE TO SHELTER IF SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED. FISHERMEN ON SAM RAYBURN SHOULD ALSO BE READY TO MOVE TO SHORE QUICKLY IF THUNDERSTORMS SHOULD MOVE INTO THE AREA. NNNN
Special weather statement, Apr 25, 1:49 PM CDT, 2 hours 24 minutes before
TXZ033-046-251945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 149 PM CDT SUN APR 25 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 PM CDT FOR THE EAST TEXAS LAKES AREA... ...COUNTIES INCLUDED IN THE WATCH ARE NACOGDOCHES...SAN AUGUSTINE... SABINE...ANGELINA...TYLER AND JASPER... AT 145 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SCATTERED THUNDERSTORMS EXTENDING FROM SOUTH OF SHREVEPORT TO EAST OF HENDERSON TO SOUTHWEST OF JACKSONVILLE. THE STRONGEST THUNDERSTORM IN TEXAS WAS NOTED EAST OF HENDERSON NEAR CHAPMAN. THE INDIVIDUAL THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR...WHILE THE LINE OF STORMS WAS DRIFTING SOUTHEAST AT 10 MILES AN HOUR. THE PRESENT MOVEMENT WOULD BRING THUNDERSTORMS INTO NORTHWEST NACOGDOCHES COUNTY BY 230 PM. THESE STRONG THUNDERSTORMS CAN PRODUCE LARGE HAIL...DANGEROUS LIGHTNING...HEAVY RAIN...AND DAMAGING WINDS AS THEY MOVE INTO THE EAST TEXAS LAKES AREA THIS AFTERNOON. PERSONS IN THE AREA SHOULD KEEP INFORMED OF THE LATEST INFORMATION ON THE THUNDERSTORMS AND BE PREPARED TO MOVE TO SHELTER QUICKLY IF STORMS THREATEN. BOATERS ON SAM RAYBURN SHOULD BE READY TO MOVE TO SHORE AS T0HE THUNDERSTORMS MOVE OVER THE LAKE LATER THIS AFTERNOON. NNNN
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 2:54 PM CDT | Severe Thunderstorm Warning | LCH | Nacogdoches | 66 min |
| Apr 25, 5:18 PM CDT | Severe Thunderstorm Warning | LCH | Tyler | 57 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1993Every severe thunderstorm warning in 1993
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.