Alert archive / Texas / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 22, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 15, 1994, 5:14 PM CDT for Liberty County, Texas. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1994, 5:14 PM CDT (22:14 UTC)
- Expired
- Apr 15, 1994, 6:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Liberty County, TX
The radar
The Houston radar (KHGX), 80 km from the middle of the area, began a volume at 22:14 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.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.2 hours before the alert went out and 155 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
- 1928 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 594 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 15, 2:45 PM CDT, 2 hours 29 minutes earlier.
Area forecast discussion, Apr 15, 2:45 PM CDT, 2 hours 29 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON, TX 241 PM CDT FRI APR 15 1994 THE COMBINATION OF HIGH CAPE VALUES... AN APPROACHING COLD FRONT... AND A S/W IN THE SUBTROPICAL FLOW HAVE TRIGGRED SEVERE THUNDERSTORMS ALONG THE NORTHERN FRINGES OF THE COUNTY. WITH THIS DEVELOPMENT THE FRONT HAS SLOWED A BIT AS IT STILL NORTH OF CLL AND LFK. THEREFORE WILL AGAIN SLOW THE TIMING OF THE FRONT A FEW HOURS. AFTER THIS ROUND OF SVR |WX THE BIGGEST CONCERN WILL BE THE CLOUDS ALONG THE SUBTROPICAL THAT WILL BE SKIRTING THE SOUTHERN FRINGE. OTHERWISE... A GREAT WEEKEND IN STORE. GUIDANCE LOOKS OK. 44 IAH UU 056/080 053/082 055 446-00
In the hours before
Special weather statement, Apr 15, 1:39 PM CDT, 3 hours 35 minutes before
TXZ163-164-176>179-195>200-210>213-226-227-236-152040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 139 PM CDT FRI APR 15 1994 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF SOUTHEAST TEXAS THROUGH 7 PM CDT... A SEVERE THUNDERSTORM IS IN EFFECT UNTIL 7 PM CDT FOR THE FOLLOWING COUNTIES... BURLESON... BRAZOS... MADISON... GRIMES... HOUSTON... TRINITY... POLK... SAN JACINTO... WALKER... MONTGOMERY... WASHINGTON... COLORADO... AUSTIN... WALLER... LIBERTY... FORT BEND... WHARTON AND HARRIS. WITH VERY UNSTABLE AIR AHEAD OF AN ADVANCING COLD FRONT IN CENTRAL TEXAS... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM THROUGH 7 PM CDT. THESE THUNDERSTORMS HAVE PRODUCED LARGE HAIL AND A POSSIBLE TORNADO IN NACOGDOCHES COUNTY. THESE STORMS HAVE THE CAPABILITY TO PRODUCE LARGE HAIL... DAMAGING WINDS AND DANGEROUS LIGHTNING. PEOPLE IN THE WATCH AREA SHOULD MONITOR THERE LOCAL TELEVISION AND RADIO STATIONS AND YOU NOAA WEATHER RADIO STATIONS FOR THE LATEST WEATHER UPDATES AND WARNINGS. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 2:39 PM CDT | Severe Thunderstorm Warning | HGX | Grimes, Montgomery | 66 min |
| Apr 15, 3:29 PM CDT | Severe Thunderstorm Warning | HGX | Waller | 61 min |
| Apr 15, 3:29 PM CDT | Severe Thunderstorm Warning | HGX | Austin | 44 min |
| Apr 15, 3:50 PM CDT | Severe Thunderstorm Warning | HGX | Harris, Montgomery | 55 min |
| Apr 15, 4:17 PM CDT | Tornado Warning | HGX | Harris, Montgomery | 58 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994
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; radar from the NEXRAD Level II archive.