Alert archive / Texas / Wind Advisories in 2011
Wind Advisory 30, NWS Brownsville, TX
NWS Brownsville, TX issued this wind advisory at Nov 20, 2011, 3:23 AM CST for 4 counties in Texas. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 20, 2011, 3:23 AM CST (09:23 UTC)
- Expired
- Nov 20, 2011, 3:10 PM CST
- In force
- 12 hr
- 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 09:28 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, 9.4 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
- 1890 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 703 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
110 WWUS74 KBRO 200923 NPWBRO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 323 AM CST SUN NOV 20 2011 ...GUSTY SOUTHEAST WINDS RETURN TO THE REGION AGAIN SUNDAY... .GUSTY SOUTHEAST WINDS WILL AGAIN INCREASE ACROSS THE REGION TODAY. WINDS OF 25 TO 30 MILES PER HOURS WITH SOME GUSTS APPROACHING 40 MPH WILL AFFECT MOST OF DEEP SOUTH TEXAS. THE STRONGEST WINDS WILL BE IN THE COASTAL COUNTIES AND STRETCHING INTO EASTERN HIDALGO COUNTY. STRONGER WINDS MAY BE ABLE TO EXTEND FURTHER WEST INTO THE REST OF HIDALGO COUNTY AND BROOKS COUNTY DURING THE AFTERNOON. TXZ251-253>257-201800- /O.NEW.KBRO.WI.Y.0030.111120T0923Z-111121T0000Z/ KENEDY-HIDALGO-INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY- COASTAL CAMERON- INCLUDING THE CITIES OF...SARITA...MCALLEN...EDINBURG...PHARR... MISSION...WESLACO...RAYMONDVILLE...BROWNSVILLE...HARLINGEN... PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND... LAGUNA HEIGHTS...LAGUNA VISTA 323 AM CST SUN NOV 20 2011 ...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. * EVENT...STRONG WINDS AROUND 30 MPH WITH GUSTS NEARING 40 MPH WILL AFFECT DEEP SOUTH TEXAS. * TIMING...WINDS WILL INCREASE DURING THE MIDMORNING HOURS AND CONTINUE THROUGH THE AFTERNOON. WINDS WILL DECREASE AFTER SUNSET. * IMPACT...HIGH PROFILE OR LIGHT WEIGHT VEHICLES WILL BE DIFFICULT TO DRIVE...ESPECIALLY ON BRIDGES OR OVERPASSES AND IN CROSS WINDS ON HIGHWAYS 77 AND 83. LOOSE AND UNSECURED OBJECTS WILL BE EASILY MOVED AND DAMAGED BY STRONG WINDS. 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. && $$
1 follow-up statement
024 WWUS74 KBRO 202110 NPWBRO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 310 PM CST SUN NOV 20 2011 ...GUSTY WINDS BUT NOT AS STRONG AS ANTICIPATED... .DIFFERENCE BETWEEN HIGH PRESSURE IN THE GULF OF MEXICO AND LOW PRESSURE ACROSS WEST AND CENTRAL TEXAS SUPPORTS GUSTY WINDS BUT NOT ENOUGH TO CAUSE SIGNIFICANT IMPACT TO MOTORISTS OR RESIDENTS OF THE RIO GRANDE VALLEY THIS AFTERNOON. TXZ251-253>257-202215- /O.CAN.KBRO.WI.Y.0030.000000T0000Z-111121T0000Z/ KENEDY-HIDALGO-INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY- COASTAL CAMERON- INCLUDING THE CITIES OF...SARITA...MCALLEN...EDINBURG...PHARR... MISSION...WESLACO...RAYMONDVILLE...BROWNSVILLE...HARLINGEN... PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND... LAGUNA HEIGHTS...LAGUNA VISTA 310 PM CST SUN NOV 20 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE WIND ADVISORY. CURRENT SOUTHERLY WIND SPEEDS RUN BETWEEN 20 AND 25 MPH AND GUSTING TO 28 TO 35 MPH AND ARE BELOW THE SUSTAINED 30 MPH FOR 2 HOURS OR MORE OR THE FREQUENT GUSTS OF 40 MPH NEEDED FOR A WIND ADVISORY. THESE WINDS WILL CONTINUE OR DIMINISH THROUGH THE REMAINDER OF THE AFTERNOON. $$
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 3:06 AM CST | Small Craft Advisory | BRO | 15 hr |
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.