Alert archive / Texas / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 63, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 5, 2005, 9:19 PM CDT for Brazos County, Burleson County, Texas. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 5, 2005, 9:19 PM CDT (02:19 UTC)
- Expired
- Apr 5, 2005, 10:16 PM CDT
- In force
- 57 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
Counties Brazos County, TX, Burleson County, TX
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 5, 8:25 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 2.3 hours before the alert went out and 263 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3686 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -59 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 5, 8:25 PM CDT, 54 minutes earlier.
Area forecast discussion, Apr 5, 8:25 PM CDT, 54 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 825 PM CDT TUE APR 5 2005 .DISCUSSION... CONVECTION HAS BUILT EVEN FURTHER SOUTH ACROSS CEN TX. SVR TSTM WATCH HAS BEEN ISSUED FOR W PORTIONS OF SE TX UNTIL 4 AM. WILL RAISE POPS FURTHER WITH THE NEXT UPDATE THAT WILL HAVE THE WATCH IN THE ZONES. STILL SOME UNCERTAINTY IF THERE WILL BE A SVR WEATHER THREAT ACROSS THE EXT SW ZONES...BUT AM GOING TO INCLUDE ALL SE TX COUNTIES IN THE THREAT TONIGHT. WILL UPDATE GRIDS...ZONES AND HWO ASAP. 33 && .PREV DISCUSSION... AFTER WATCHING RADAR TRENDS NW OF THE AREA AND EXAMINING SOME OF THE SHORT-TERM MODEL GUIDANCE...I HAVE DECIDED TO RAISE THE POPS TO LIKELY ACROSS THE NORTHERN ZONES AND TO MENTION A SVR TSTM POSSIBILITY ALONG AND NORTHEAST OF A CALDWELL TO CONROE TO LIBERTY LINE. DIFFICULT PART OF THIS FORECAST CONCERNS THE STRENGTH OF THE CAP ACROSS THE CENTRAL AND SOUTHERN ZONES. IT IS POSSIBLE THAT THE SEVERE THREAT AREA WILL HAVE TO BE NUDGED A LITTLE FURTHER SOUTH...BUT AM NOT VERY CONFIDENT ON THAT YET. DUE TO VERY STEEP LAPSE RATES AND THE LINEAR MCS THAT IS DEVELOPING...THE MAIN THREATS WILL BE HAIL AND STRONG WINDS. 33 && .PRELIMINARY POINT TEMPS/POPS... COLLEGE STATION (CLL) 58 76 53 73 54 / 80 10 10 0 10 HOUSTON (IAH) 63 78 55 75 54 / 60 10 10 0 10 GALVESTON (GLS) 68 75 62 76 61 / 50 20 10 0 10 && .HGX WATCHES/WARNINGS/ADVISORIES... .TX...SEVERE THUNDERSTORM WATCH UNTIL 4 AM ALONG AND NW OF A COLUMBUS TO ANDERSON TO HUNTSVILLE TO TRINITY LINE. .GM...SCA BAYS AND 0-60NM GULF. &&
Hazardous weather outlook, Apr 5, 8:44 PM CDT, 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 844 PM CDT TUE APR 5 2005 TXZ163-164-176>179-195>200-210>214-226-227-235>238-061200- AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-GALVESTON- GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA-MONTGOMERY- POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON-WHARTON- 844 PM CDT TUE APR 5 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS. ...SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS ALL OF SOUTHEAST TEXAS TONIGHT... .DAY ONE...TONIGHT. AN APPROACHING DRY LINE WILL MOVE INTO SOUTHEAST TEXAS TONIGHT. ALONG AND AHEAD OF THIS FEATURE...A BROKEN LINE OF STRONG TO SEVERE THUNDERSTORMS HAS FORMED WEST OF SOUTHEAST TEXAS THIS EVENING. THIS LINE WILL LIKELY MOVE ACROSS NORTHERN AND CENTRAL PORTIONS OF SOUTHEAST TEXAS AND MAY BUILD FAR ENOUGH SOUTH TO AFFECT THE EXTREME SOUTHERN PORTIONS. THE PRIMARY SEVERE WEATHER THREATS ARE LARGE HAIL AND DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO HAZARDOUS WEATHER IS ANTICIPATED AT THIS TIME. .SPOTTER INFORMATION STATEMENT.... SPOTTER ACTIVATION IS EXPECTED TONIGHT.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 10:02 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 58 min |
| Apr 5, 10:03 PM CDT | Severe Thunderstorm Warning | HGX | Grimes | 53 min |
| Apr 5, 11:37 PM CDT | Severe Thunderstorm Warning | HGX | San Jacinto, Walker | 38 min |
| Apr 5, 11:49 PM CDT | Severe Thunderstorm Warning | HGX | Polk | 41 min |
| Apr 6, 12:37 AM CDT | Severe Thunderstorm Warning | HGX | Jackson | 39 min |
| Apr 6, 1:23 AM CDT | Special Marine Warning | HGX | 97 min | |
| Apr 6, 2:34 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Matagorda | 43 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2005Every severe thunderstorm warning in 2005
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.