Alert archive / Texas / Wind Advisories in 2012
Wind Advisory 22, NWS Brownsville, TX
NWS Brownsville, TX issued this wind advisory at Dec 31, 2012, 5:05 AM CST for 4 counties in Texas. It took effect at Dec 31, 2012, 10:00 AM CST. It was in force for 102 min.
The area
The counties it named.
The facts
- Issued
- Dec 31, 2012, 5:05 AM CST (11:05 UTC)
- In effect from
- Dec 31, 2012, 10:00 AM CST
- Expired
- Dec 31, 2012, 11:42 AM CST
- In force
- 102 min
- Issued by
- NWS Brownsville, TX
Counties Cameron County, TX, Hidalgo County, TX, Kenedy County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 70 km from the middle of the area, began a volume at 11:07 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
Brownsville Intl, TX (KBRO), launched 00:00Z, 11.1 hours before the alert went out and 73 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
- 23 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
146 WWUS74 KBRO 311105 NPWBRO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 505 AM CST MON DEC 31 2012 ...STRONG SOUTH WINDS EXPECTED TODAY... .THE COMBINATION OF A LARGE HIGH PRESSURE AREA TO OUR EAST AND A SURFACE LOW PRESSURE AREA DEVELOPING OVER WESTERN AND CENTRAL TEXAS WILL RESULT IN STRONG AND GUSTY SOUTHERLY WINDS ACROSS PORTIONS OF DEEP SOUTH TEXAS LATER THIS MORNING AND INTO THIS AFTERNOON. THESE STRONG WINDS WILL START TO WEAKEN DURING THE EARLY EVENING HOURS. TXZ251-253>255-311915- /O.NEW.KBRO.WI.Y.0022.121231T1600Z-121231T2200Z/ KENEDY-HIDALGO-INLAND WILLACY-INLAND CAMERON- INCLUDING THE CITIES OF...SARITA...MCALLEN...EDINBURG...PHARR... MISSION...WESLACO...RAYMONDVILLE...BROWNSVILLE...HARLINGEN 505 AM CST MON DEC 31 2012 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM CST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 4 PM CST THIS AFTERNOON. * TIMING...THE SOUTH WINDS WILL INCREASE INTO THE 25 TO 35 MPH RANGE DURING THE LATE MORNING HOURS AND THESE STRONG SOUTH WINDS WILL PERSIST ON INTO THE AFTERNOON. THESE STRONG WINDS WILL START TO WEAKEN DURING THE EARLY EVENING HOURS FALLING BELOW THE WIND ADVISORY LEVELS. 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. && $$
1 follow-up statement
955 WWUS74 KBRO 311742 NPWBRO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 1142 AM CST MON DEC 31 2012 ...WINDS NOT AS STRONG THIS AFTERNOON... .LOW LEVEL JET HAS WEAKEN MORE THEN EARLIER THINKING AND EXTENSIVE CLOUDS HAS LIMITED DIFFERENTIAL MIXING OF THE LOWER LEVELS OF THE ATMOSPHERE. WINDS ARE EXPECTED TO BE WINDY BUT NOT STRONG ENOUGH FOR WIND ADVISORY CONDITIONS. TXZ251-253>255-311845- /O.CAN.KBRO.WI.Y.0022.000000T0000Z-121231T2200Z/ KENEDY-HIDALGO-INLAND WILLACY-INLAND CAMERON- INCLUDING THE CITIES OF...SARITA...MCALLEN...EDINBURG...PHARR... MISSION...WESLACO...RAYMONDVILLE...BROWNSVILLE...HARLINGEN 1142 AM CST MON DEC 31 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE WIND ADVISORY. SOUTH WINDS OF 20 TO 30 MPH WITH SOME GUSTS TO 35 MPH ARE POSSIBLE THROUGH 5 PM THE REMAINDER OF THE AFTERNOON. $$
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.