Alert archive / Texas / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 29, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 2, 2013, 10:56 PM CDT for 5 counties in Texas. It was in force for 49 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 2, 2013, 10:56 PM CDT (03:56 UTC)
- Expired
- Apr 2, 2013, 11:45 PM CDT
- In force
- 49 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
Counties Brazoria County, TX, Chambers County, TX, Galveston County, TX, Harris County, TX, Liberty County, TX
The radar
The Houston radar (KHGX), 19 km from the middle of the area, began a volume at 03:58 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 2, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.9 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1267 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
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 2, 8:19 PM CDT, 2 hours 37 minutes earlier.
Area forecast discussion, Apr 2, 8:19 PM CDT, 2 hours 37 minutes before
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</html>Hazardous weather outlook, Apr 2, 4:24 PM CDT, 6 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 424 PM CDT TUE APR 2 2013 GMZ330-335-350-355-370-375-TXZ163-164-176>179-195>200-210>214-226- 227-235>238-032130- 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 20 NM TO 60 NM- WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM- WATERS FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM- WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-WHARTON- 424 PM CDT TUE APR 2 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TONIGHT STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TONIGHT. THE STRONGEST STORMS WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND LARGE HAIL. WINDS COULD GUST IN EXCESS OF 60 MPH AND HAIL COULD EXCEED GOLF BALL SIZE IN THE STRONGER STORMS. THE STRONGEST STORMS WILL AFFECT THE AREA BETWEEN 8 PM THIS EVENING THROUGH 3 AM EARLY WEDNESDAY MORNING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD PREPARE FOR ACTIVATION THIS EVENING.
In the hours before
Local storm report, Apr 2, 9:13 PM CDT, 1 hour 43 minutes before
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</html>Local storm report, Apr 2, 9:17 PM CDT, 1 hour 39 minutes before
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</html>Special weather statement, Apr 2, 9:19 PM CDT, 1 hour 37 minutes before
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</html>Local storm report, Apr 2, 9:47 PM CDT, 1 hour 9 minutes before
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</html>Special weather statement, Apr 2, 10:02 PM CDT, 54 minutes before
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</html>Local storm report, Apr 2, 10:15 PM CDT, 41 minutes before
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</html>The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 7:46 PM CDT | Severe Thunderstorm Warning | HGX | Colorado, Wharton | 44 min |
| Apr 2, 7:49 PM CDT | Areal Flood Advisory | HGX | Colorado | 116 min |
| Apr 2, 8:30 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Colorado, Fort Bend, Matagorda, Wharton | 30 min |
| Apr 2, 8:57 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Colorado, Fort Bend, Matagorda, Wharton | 48 min |
| Apr 2, 9:19 PM CDT | Special Weather Statement | HGX | Fort Bend | 41 min |
| Apr 2, 9:24 PM CDT | Areal Flood Advisory | HGX | Colorado, Wharton | 2 hr |
| Apr 2, 9:43 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend | 32 min |
| Apr 2, 10:02 PM CDT | Special Weather Statement | HGX | Harris | 43 min |
| Apr 2, 10:11 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend, Galveston, Harris, Montgomery | 49 min |
| Apr 2, 10:36 PM CDT | Special Marine Warning | HGX | 114 min | |
| Apr 2, 10:39 PM CDT | Areal Flood Advisory | HGX | Brazoria, Fort Bend, Galveston, Harris | 111 min |
| Apr 2, 11:30 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston, Harris, Liberty | 45 min |
| Apr 2, 11:31 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston, Harris, Liberty | 44 min |
| Apr 2, 11:38 PM CDT | Areal Flood Advisory | HGX | Galveston | 2 hr |
| Apr 2, 11:43 PM CDT | Severe Thunderstorm Warning | HGX | Liberty | 47 min |
| Apr 2, 11:53 PM CDT | Special Marine Warning | HGX | 82 min | |
| Apr 3, 1:00 AM CDT | Special Weather Statement | HGX | Colorado, Jackson, Washington | 60 min |
| Apr 3, 1:05 AM CDT | Special Marine Warning | HGX | 25 min | |
| Apr 3, 1:43 AM CDT | Special Marine Warning | HGX | 62 min | |
| Apr 3, 2:05 AM CDT | Special Weather Statement | HGX | Austin, Fort Bend, Harris, Matagorda, Waller, Wharton | 55 min |
| Apr 3, 4:02 AM CDT | Special Marine Warning | HGX | 58 min | |
| Apr 3, 10:19 AM CDT | Small Craft Advisory | HGX | 18 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013
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.