Alert archive / Texas / Special Weather Statements in 2017
Special Weather Statement, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this special weather statement at Aug 8, 2017, 5:02 PM CDT for Chambers County, Texas. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2017, 5:02 PM CDT (22:02 UTC)
- Expired
- Aug 8, 2017, 5:45 PM CDT
- In force
- 43 min
- Issued by
- NWS Houston/Galveston, TX
County Chambers County, TX
The radar
The Houston radar (KHGX), 61 km from the middle of the area, began a volume at 22:01 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
Shreveport, LA (KBAD), launched 12:00Z, 10.0 hours before the alert went out and 334 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
- 119 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 8, 3:19 PM CDT, 1 hour 43 minutes earlier.
Area forecast discussion, Aug 8, 3:19 PM CDT, 1 hour 43 minutes before
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</html>Hazardous weather outlook, Aug 8, 5:02 PM CDT, 0 minutes before
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</html>In the hours before
Local storm report, Aug 8, 2:27 PM CDT, 2 hours 35 minutes before
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</html>Special weather statement, Aug 8, 5:02 PM CDT, 0 minutes before
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<div class="status" id="status">Temporary Notice</div>
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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 |
|---|---|---|---|---|
| Aug 7, 10:27 PM CDT | Areal Flood Advisory | HGX | Austin, Harris, Montgomery, Waller | 3 hr |
| Aug 7, 11:38 PM CDT | Areal Flood Advisory | HGX | Fort Bend, Harris, Montgomery, Waller | 3 hr |
| Aug 8, 12:18 AM CDT | Areal Flood Advisory | HGX | Fort Bend, Harris, Montgomery | 3 hr |
| Aug 8, 12:23 AM CDT | Flash Flood Warning | HGX | Fort Bend, Harris, Montgomery, Waller | 3 hr |
| Aug 8, 12:58 AM CDT | Areal Flood Advisory | HGX | Austin, Colorado | 2 hr |
| Aug 8, 12:59 AM CDT | River Flood Warning | HGX | Harris | 24 hr |
| Aug 8, 1:03 AM CDT | Areal Flood Advisory | HGX | Chambers, Harris, Liberty | 3 hr |
| Aug 8, 1:12 AM CDT | Special Marine Warning | HGX | 33 min | |
| Aug 8, 1:16 AM CDT | Flash Flood Warning | HGX | Chambers, Harris, Liberty, Montgomery | 3 hr |
| Aug 8, 1:20 AM CDT | Areal Flood Advisory | HGX | Brazoria | 3 hr |
| Aug 8, 2:28 AM CDT | Areal Flood Advisory | HGX | Austin, Colorado, Fort Bend, Wharton | 3 hr |
| Aug 8, 2:41 AM CDT | Areal Flood Advisory | HGX | Liberty | 2 hr |
| Aug 8, 3:01 AM CDT | River Flood Warning | HGX | Harris | 24 hr |
| Aug 8, 3:12 AM CDT | River Flood Warning | HGX | Harris | 24 hr |
| Aug 8, 3:15 AM CDT | Flash Flood Watch | HGX | Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty and 5 more | 29 hr |
| Aug 8, 3:15 AM CDT | River Flood Warning | HGX | Harris | 9 hr |
| Aug 8, 3:26 AM CDT | River Flood Warning | HGX | Harris | 24 hr |
| Aug 8, 3:28 AM CDT | River Flood Warning | HGX | Harris | 24 hr |
| Aug 8, 3:30 AM CDT | Flash Flood Warning | HGX | Fort Bend, Harris, Waller | 4 hr |
| Aug 8, 3:53 AM CDT | River Flood Warning | HGX | Harris | 24 hr |
| Aug 8, 3:53 AM CDT | River Flood Warning | HGX | Harris | 24 hr |
| Aug 8, 4:57 AM CDT | River Flood Warning | HGX | Harris | 12 hr |
| Aug 8, 4:57 AM CDT | River Flood Warning | HGX | Harris | 16 hr |
| Aug 8, 5:02 AM CDT | River Flood Warning | HGX | Harris | 15 hr |
| Aug 8, 7:23 AM CDT | Areal Flood Warning | HGX | Fort Bend, Harris, Waller | 3 hr |
| Aug 8, 3:43 PM CDT | Areal Flood Advisory | HGX | Chambers, Liberty | 2 hr |
| Aug 8, 5:20 PM CDT | Areal Flood Advisory | HGX | Chambers, Galveston | 55 min |
Nearby
Special Weather Statements in Texas, 2017Every special weather statement in 2017
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.