Alert archive / Texas / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 44, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 29, 2006, 4:26 AM CDT for Brazos County, Burleson County, Texas. It was in force for 34 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 29, 2006, 4:26 AM CDT (09:26 UTC)
- Expired
- Apr 29, 2006, 5:00 AM CDT
- In force
- 34 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
Counties Brazos County, TX, Burleson County, TX
The radar
The Ft Hood radar (KGRK), 90 km from the middle of the area, began a volume at 09:27 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 28, 11:08 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 9.4 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
- 446 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 532 m²/s²
- 0-3 km storm-relative helicity
- 752 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 8.7
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 28, 9:38 PM CDT, 6 hours 48 minutes earlier.
Area forecast discussion, Apr 28, 9:38 PM CDT, 6 hours 48 minutes before
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</html>Hazardous weather outlook, Apr 28, 3:55 PM CDT, 12 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 355 PM CDT FRI APR 28 2006 GMZ330-335-350-355-TXZ163-164-176>179-195>200-210>214-226-227- 235>238-291300- AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND- GALVESTON-GALVESTON BAY-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY- MADISON-MATAGORDA-MATAGORDA BAY-MONTGOMERY-POLK-SAN JACINTO- TRINITY-WALKER-WALLER-WASHINGTON- WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM- WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-WHARTON- 355 PM CDT FRI APR 28 2006 ...SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST TEXAS LATE TONIGHT AND SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TONIGHT A LARGE CLUSTER OF THUNDERSTORMS IS EXPECTED TO IMPACT SOUTHEAST TEXAS LATE TONIGHT AND SATURDAY MORNING. A FEW OF THESE STORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE. THE PRIMARY SEVERE WEATHER THREAT WILL BE DAMAGING WINDS...WITH A SMALLER RISK OF ISOLATED TORNADOES OR LARGE HAIL. THE PRIMARY TIME FRAME FOR THE SEVERE WEATHER THREAT WILL BE FROM 3 AM TO 10 AM SATURDAY. SEVERE THUNDERSTORMS ARE ALREADY DEVELOPING THIS AFTERNOON OVER WEST TEXAS AS AN UPPER LEVEL LOW PRESSURE SYSTEM OVER NEW MEXICO INTERACTS WITH A MOIST AND UNSTABLE AIRMASS IN PLACE AHEAD OF A SURFACE DRYLINE. THESE STORMS ARE EXPECTED TO EVOLVE INTO A LARGE CLUSTER OF THUNDERSTORMS WHICH WILL MOVE EASTWARD AND REACH THE NORTHWESTERN PORTIONS OF SOUTHEAST TEXAS AFTER MIDNIGHT TONIGHT. IN ADDITION TO THE SEVERE WEATHER THREAT...THE THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY RAINFALL. RAINFALL AMOUNTS LATE TONIGHT AND SATURDAY MORNING WILL AVERAGE 1/2 TO 1 INCH WITH ISOLATED TOTALS OVER 2 INCHES POSSIBLE. AT THIS TIME...ONLY MINOR FLOODING OF STREETS OR LOW WATER CROSSINGS IS ANTICIPATED. .DAY TWO...SATURDAY THE SQUALL LINE SHOULD MOVE OUT THE REGION LATE SATURDAY MORNING. IF THE ATMOSPHERE DESTABILIZES AGAIN...ISOLATED THUNDERSTORMS COULD RE-DEVELOP DURING THE AFTERNOON MAINLY EAST OF INTERSTATE 45. ONE OR TWO OF THESE STORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE. THESE STORMS SHOULD DIMINISH AROUND SUNSET. .DAYS THREE THROUGH SEVEN...SUNDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS ANTICIPATED BETWEEN 3 AM AND 10 AM SATURDAY.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 5:44 AM CDT | Tornado Warning | HGX | Montgomery, San Jacinto | 46 min |
| Apr 29, 6:29 AM CDT | Tornado Warning | HGX | Liberty, Montgomery, Polk, San Jacinto | 46 min |
| Apr 29, 7:16 AM CDT | Tornado Warning | HGX | Polk | 29 min |
| Apr 29, 8:10 AM CDT | Tornado Warning | HGX | Liberty | 50 min |
| Apr 29, 8:24 AM CDT | Tornado Warning | HGX | Harris | 51 min |
| Apr 29, 9:08 AM CDT | Tornado Warning | HGX | Chambers, Harris | 67 min |
| Apr 29, 9:43 AM CDT | Tornado Warning | HGX | Liberty | 62 min |
| Apr 29, 10:29 AM CDT | Special Marine Warning | HGX | 91 min | |
| Apr 29, 11:22 AM CDT | Tornado Warning | HGX | Chambers | 53 min |
| Apr 29, 11:43 AM CDT | Special Marine Warning | HGX | 92 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2006Every severe thunderstorm warning in 2006
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.