Alert archive / Texas / Special Weather Statements in 2012
Special Weather Statement, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this special weather statement at Dec 9, 2012, 5:21 PM CST for Lee County, Texas. It was in force for 39 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
- Dec 9, 2012, 5:21 PM CST (23:21 UTC)
- Expired
- Dec 9, 2012, 6:00 PM CST
- In force
- 39 min
- Issued by
- NWS Austin/San Antonio, TX
County Lee County, TX
The radar
The Ft Hood radar (KGRK), 73 km from the middle of the area, began a volume at 23:22 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
Fort Worth, TX (KFWD), launched 12:00Z, 11.4 hours before the alert went out and 284 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
- 148 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 179 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
216
WWUS84 KEWX 092321
SPSEWX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
521 PM CST SUN DEC 9 2012
TXZ194-100000-
LEE-
521 PM CST SUN DEC 9 2012
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN LEE COUNTY UNTIL 600 PM
CST...
AT 519 PM CST...NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF
SCATTERED THUNDERSTORMS OVER LEE COUNTY...MOVING NORTHEAST AT 20 MPH.
HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 TO 50
MPH ARE POSSIBLE WITH THESE THUNDERSTORMS...ALONG WITH FREQUENT
DANGEROUS LIGHTNING.
LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
LEXINGTON...
DIME BOX...
LINCOLN...
LOEBAU...
LEO...
OLD DIME BOX...
LAT...LON 3024 9670 3023 9673 3019 9673 3014 9695
3039 9708 3054 9692 3047 9689 3036 9676
3034 9675 3031 9664 3029 9664
TIME...MOT...LOC 2320Z 221DEG 14KT 3027 9696
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 4:53 PM CST | Special Weather Statement | EWX | Burnet | 52 min |
| Dec 9, 5:03 PM CST | Special Weather Statement | EWX | Lavaca | 42 min |
| Dec 9, 5:30 PM CST | Special Weather Statement | EWX | Lavaca | 45 min |
Nearby
Special Weather Statements in Texas, 2012Every special weather statement in 2012
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.