Alert archive / Texas / Wind Advisories in 2012
Wind Advisory 21, NWS Brownsville, TX
NWS Brownsville, TX issued this wind advisory at Dec 25, 2012, 3:05 AM CST for 4 counties in Texas. It took effect at Dec 25, 2012, 12:00 PM CST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Dec 25, 2012, 3:05 AM CST (09:05 UTC)
- In effect from
- Dec 25, 2012, 12:00 PM CST
- Expired
- Dec 25, 2012, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Brownsville, TX
Counties Brooks County, TX, Jim Hogg County, TX, Kenedy County, TX, Zapata County, TX
The radar
The Corpus Christi radar (KCRP), 126 km from the middle of the area, began a volume at 09:08 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
Corpus Christi, TX (KCRP), launched 00:00Z, 9.1 hours before the alert went out and 135 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
- 849 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 831 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
151 WWUS74 KBRO 250905 NPWBRO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 305 AM CST TUE DEC 25 2012 ...STRONG NORTHWESTERLY WINDS BEHIND A COLD FRONTAL BOUNDARY WILL AFFECT MAINLY THE NORTHERN RANCHLANDS OF DEEP SOUTH TEXAS TUESDAY AFTERNOON... .COLD FRONT WILL SWEEP THROUGH THE REGION TODAY AND WITH STRONG LOW LEVEL FLOW IN ITS WAKE...STRONG NORTHWESTERLY WINDS WILL DEVELOP WITH SUSTAINED 25 TO 35 MPH WITH GUSTS UP TO 45 MPH POSSIBLE. WINDY CONDITIONS WILL OCCUR IN THE AFTERNOON HOURS AND WILL DECREASE SHORTLY AFTER SUNSET WITH THE LOSS OF DAYTIME HEATING. TXZ248>251-251715- /O.NEW.KBRO.WI.Y.0021.121225T1800Z-121226T0000Z/ ZAPATA-JIM HOGG-BROOKS-KENEDY- INCLUDING THE CITIES OF...ZAPATA...HEBBRONVILLE...FALFURRIAS... SARITA 305 AM CST TUE DEC 25 2012 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING. * TIMING...FROM 12 PM THROUGH 6 PM TUESDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE 30 TO 39 MPH AND OR FREQUENT GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. && $$
2 follow-up statements
175 WWUS74 KBRO 251710 NPWBRO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 1110 AM CST TUE DEC 25 2012 ...STRONG NORTHWEST WINDS DEVELOPING ACROSS THE NORTHERN RANCHLANDS OF DEEP SOUTH TEXAS LATE THIS MORNING... .A COLD FRONT CONTINUES TO SWEEP THROUGH THE REGION LATE THIS MORNING AND WITH STRONG LOW LEVEL FLOW IN ITS WAKE...STRONG NORTHWESTERLY WINDS WILL CONTINUE TO DEVELOP WITH SUSTAINED WINDS 25 TO 35 MPH WITH GUSTS UP TO 45 MPH POSSIBLE. WINDY CONDITIONS WILL OCCUR IN THE AFTERNOON HOURS AND WILL DECREASE SHORTLY AFTER SUNSET WITH THE LOSS OF DAYTIME HEATING. TXZ248>251-260000- /O.CON.KBRO.WI.Y.0021.121225T1800Z-121226T0000Z/ ZAPATA-JIM HOGG-BROOKS-KENEDY- INCLUDING THE CITIES OF...ZAPATA...HEBBRONVILLE...FALFURRIAS... SARITA 1110 AM CST TUE DEC 25 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...STRONG NORTHWEST WINDS WILL CONTINUE TO DEVELOP BETWEEN NOW AND 1 PM AND WILL CONTINUE THROUGH 6 PM THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE 30 TO 39 MPH AND OR FREQUENT GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. && $$ CASTILLO
803 WWUS74 KBRO 260012 NPWBRO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 612 PM CST TUE DEC 25 2012 TXZ248>251-260115- /O.EXP.KBRO.WI.Y.0021.000000T0000Z-121226T0000Z/ ZAPATA-JIM HOGG-BROOKS-KENEDY- INCLUDING THE CITIES OF...ZAPATA...HEBBRONVILLE...FALFURRIAS... SARITA 612 PM CST TUE DEC 25 2012 ...WIND ADVISORY HAS EXPIRED... THE STRONG NORTH TO NORTHWEST WINDS OVER THE ADVISORY AREA WILL START TO DIMINISH SLOWLY LATER TONIGHT. ACCORDINGLY...THE WIND ADVISORY HAS BEEN ALLOWED TO EXPIRE. $$
Nearby
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.