Alert archive / Texas / Special Weather Statements in 2013
Special Weather Statement, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this special weather statement at Jul 20, 2013, 1:48 PM CDT for Chambers County, Texas. It was in force for 42 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
- Jul 20, 2013, 1:48 PM CDT (18:48 UTC)
- Expired
- Jul 20, 2013, 2:30 PM CDT
- In force
- 42 min
- Issued by
- NWS Houston/Galveston, TX
County Chambers County, TX
The radar
The Houston radar (KHGX), 68 km from the middle of the area, began a volume at 18:51 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 6.8 hours before the alert went out and 129 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
- 824 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1088 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
610
WWUS84 KHGX 201848
SPSHGX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
148 PM CDT SAT JUL 20 2013
TXZ200-214-201930-
CHAMBERS TX-LIBERTY TX-
148 PM CDT SAT JUL 20 2013
...SPECIAL WEATHER STATEMENT...
AT 141 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR WINNIE...OR 8 MILES SOUTHWEST OF
HAMSHIRE... MOVING NORTHEAST AT 5 MPH. THIS STORM HAS SLOW MOVEMENT
AND DOPPLER RADAR INDICATED RAINFALL TOTALS AROUND 3" JUST SOUTH OF
INTERSTATE 10 IN CHAMBERS COUNTY. HEAVIEST RAINFALL APPEARS TO BE
ALONG SH-65.
WIND GUSTS UP TO 30 MPH WILL BE POSSIBLE WITH THIS STORM. ANOTHER
INCH OR TWO OF RAINFALL IS ALSO POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
WINNIE AND STOWELL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 2968 9453 2973 9460 2994 9462 2994 9445
2989 9444 2988 9436 2961 9436
TIME...MOT...LOC 1841Z 198DEG 3KT 2980 9444
$$The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 2:19 PM CDT | Special Weather Statement | HGX | Liberty | 41 min |
| Jul 20, 2:57 PM CDT | Special Weather Statement | HGX | Montgomery | 48 min |
| Jul 20, 5:38 PM CDT | Special Weather Statement | HGX | Burleson | 22 min |
| Jul 20, 5:48 PM CDT | Areal Flood Advisory | HGX | Austin, Colorado, Wharton | 117 min |
Nearby
Special Weather Statements in Texas, 2013Every special weather statement 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.