Alert archive / Texas / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 73, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 20, 1995, 3:36 PM CDT for Polk County, San Jacinto County, Texas. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Apr 20, 1995, 3:36 PM CDT (20:36 UTC)
- Expired
- Apr 20, 1995, 4:45 PM CDT
- In force
- 69 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Polk County, TX, San Jacinto County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.6 hours before the alert went out and 184 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
- 1413 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 589 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 9.3
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 20, 3:00 PM CDT, 36 minutes earlier.
Area forecast discussion, Apr 20, 3:00 PM CDT, 36 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON TX 300 PM CDT THU APR 20 1995 FUN DAY IN SOUTHEAST TEXAS. AFTER SEVERE WEATHER EPISODE EARLY TONIGHT IT APPEARS AMS WILL BEGIN DRYING AND WEATHER IMPROVING. LEFT GOOD CHANCE OF THUNDERSTORMS IN EARLY TONIGHT THEN WENT WITH CLEARING SKIES AND COOLER AND DRIER WEATHER. FRIDAY SHOULD BE DRY AND SUNNY BUT SOUTHERLY WINDS WILL RETURN FRIDAY NIGHT AND CLOUDS WILL RETURN SATURDAY. NEXTD CHANCE OF RAIN WILL BE SATURDAY NIGHT INTO SUNDAY. NOT TIME FOR MUCH MORE. 34
In the hours before
Special weather statement, Apr 20, 10:05 AM CDT, 5 hours 31 minutes before
TXZ198-163-199-179-178-164-197-041-051-313-202200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 1004 AM CDT THU APR 20 1995 NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHEAST TEXAS FROM 945 AM THIS THURDAY MORNING UNTIL 4 PM THIS AFTERNOON. THE FOLLOWING COUNTIES ARE WITHIN THE WATCH AREA: HOUSTON TRINITY BRAZOS BURLESON ROBERTSON WASHINGTON GRIMES JASPER MADISON MONTGOMERY NEWTON POLK SVAN JACINTO TYLER AND WALKER. REMEMBER, A WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADO FORMATION. PERSONS WITHIN THE WATCH AREA SHOULD REMAIN ALERT AND SEEK SHELTER IF THREATENING WEATHER APPROACHES.
Local storm report, Apr 20, 11:07 AM CDT, 4 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON TX
1105 AM CDT THU APR 20 1995
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
944 AM RIVERSIDE TX GOLF BALL HAIL
04/20/95 WALKER VIL 62Special weather statement, Apr 20, 1:40 PM CDT, 1 hour 56 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-238-511-513-210045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 140 PM CDT THU APR 20 1995 NATIONAL WEATHER SERVICE HAS CANCELED TORNADO WATCH 232. A NEW TORNADO WATCH WW233 HAS BEEN ISSUED. THE WATCH AREA INCLUDES MOST OF SOUTHEAST TEXAS...VALID TIME IS FROM 130 PM THIS AFTERNOON UNTIL 800 PM CDT THIS EVENING: HOUSTON TRINITY AUSTIN BRAZOS BURLESON COLORADO ROBERTSON WASHINGTON WHARTON BRAZORIA CHAMBER FORT BEND GRIMES HARDIN HARRIS JASPER JEFFERSON LIBERTY MADISON MONTGOMERY NEWTON ORANGE POLK SAN JANCINTO TYLER WALKER WALLER AND ADJACENT COASTAL WATERS OF CHAMBERS GALVESTON AND JEFFERSON COUNTIES. REMEMBER A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE FORMATION OF TORNADOS. PERSONS WITHIN THE WATCH AREA SHOULD STAY ALERT AND SEEK IMMEDIATE SHELTER IF THREATENING WEATHER APPROACHES.
Special weather statement, Apr 20, 2:39 PM CDT, 57 minutes before
TXZ199-212-202240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 239 PM CDT THU APR 20 1995 THE SEVERE THUNDERSTORM WARNING FOR MONTGOMERY AND WALLER COUNTIES HAS EXPIRED. THERE WERE NO REPORTS OF SEVERE WEATHER. THE TORNADO WATCH CONTINUES IN EFFECT FOR SOUTHEAST TEXAS.
Special weather statement, Apr 20, 2:45 PM CDT, 51 minutes before
TXZ199-212-202015- SPECIAL WEATHER STATEMENT...CORRECTED FOR EXPIRATION NATIONAL WEATHER SERVICE HOUSTON TX 239 PM CDT THU APR 20 1995 THE SEVERE THUNDERSTORM WARNING FOR MONTGOMERY AND WALLER COUNTIES HAS EXPIRED. THERE WERE NO REPORTS OF SEVERE WEATHER. THE TORNADO WATCH CONTINUES IN EFFECT FOR SOUTHEAST TEXAS.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 2:07 AM CDT | Severe Thunderstorm Warning | HGX | Brazos | 68 min |
| Apr 20, 2:43 AM CDT | Severe Thunderstorm Warning | HGX | Grimes | 62 min |
| Apr 20, 9:37 AM CDT | Severe Thunderstorm Warning | HGX | Trinity | 68 min |
| Apr 20, 9:37 AM CDT | Severe Thunderstorm Warning | HGX | Walker | 63 min |
| Apr 20, 11:40 AM CDT | Severe Thunderstorm Warning | HGX | Walker | 14 min |
| Apr 20, 1:31 PM CDT | Severe Thunderstorm Warning | HGX | Montgomery, Waller | 59 min |
| Apr 20, 2:40 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Harris | 65 min |
| Apr 20, 2:45 PM CDT | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 60 min |
| Apr 20, 3:07 PM CDT | Tornado Warning | HGX | Chambers, Harris | 67 min |
| Apr 20, 3:21 PM CDT | Tornado Warning | HGX | Liberty | 53 min |
| Apr 20, 4:36 PM CDT | Severe Thunderstorm Warning | HGX | Trinity | 31 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1995Every severe thunderstorm warning in 1995
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.