Alert archive / Texas / Wind Advisories in 2009

Wind Advisory 15, NWS Lubbock, TX

April 2, 20098 counties in Texas

NWS Lubbock, TX issued this wind advisory at Apr 2, 2009, 10:11 AM CDT for 8 counties in Texas. It was in force for 109 min.

The area

The counties it named.

The facts

Issued: Apr 2, 2009, 10:11 AM CDT (15:11 UTC)
Expired: Apr 2, 2009, 12:00 PM CDT
In force: 109 min
Issued by: NWS Lubbock, TX

Counties Briscoe County, TX, Crosby County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Lubbock County, TX, Lynn County, TX, Swisher County, TX

The radar

The Lubbock radar (KLBB), 33 km from the middle of the area, began a volume at 15:15 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 3.2 hours before the alert went out and 154 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 540 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -114 m²/s²
0-3 km storm-relative helicity: -12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lubbock, TX wrote its last area forecast discussion before this wind advisory went out at Apr 2, 10:00 AM CDT, 11 minutes earlier.

Area forecast discussion, Apr 2, 10:00 AM CDT, 11 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LUBBOCK TX
1000 AM CDT THU APR 2 2009

.UPDATE...
FURTHER REFINEMENT AS STRONG WINDS EDGE TO THE EAST...AND MIXING
BETTER NOW OVER EASTERN ZONES. CONTINUE HIGH WIND WARNING ROLLING
PLAINS UNTIL 17Z. A WIND ADVISORY MAY BE NEEDED THIS AREA FOR
EARLY AFTERNOON. CENTRAL ZONES WILL ALSO HAVE A WIND ADVISORY
UNTIL 17Z. WINDS SHOULD DROP BELOW ADVISORY LEVELS BY NOON CENTRAL
AREAS...AND REMAIN BELOW REMAINDER OF THE DAY WESTERN ZONES.
MCQUEEN

&&

.PREV DISCUSSION... /ISSUED 910 AM CDT THU APR 2 2009/

UPDATE...
HIGH WIND BAND LOCATED NEAR 850 MB SHIFTING INTO EASTERN COUNTIES
THIS MORNING. TRIMMED WARNING OFF SOUTHWESTERN SOUTH PLAINS WHILE
RETAINING CENTRAL COUNTIES FOR FINAL HOUR. ADDED HIGH WIND WARNING
EASTERN TWO ROWS UNTIL LATE MORNING. ALSO...THIS NEW HIGH WIND
WARNING WILL REPLACE THE WIND ADVISORY FOR EASTERN COUNTIES. WINDS
SHOULD SUBSIDE FAIRLY WELL BY MIDDAY. MCQUEEN

PREV DISCUSSION... /ISSUED 634 AM CDT THU APR 2 2009/

AVIATION...
WILL ALLOW THE AIRPORT WEATHER WARNING FOR KLBB EXPIRE AT 12Z.
STILL EXPECT SUSTAINED WINDS MAY APPROACH 30KT UNTIL AT LEAST 15Z...
BUT EXPECT THAT THE CHANCE FOR VIS REDUCTIONS IN BLOWING DUST MAY
BE SLIGHTLY DIMINISHED THROUGH THE MORNING GIVEN THIS MORNING/S LIGHT
PRECIPITATION. PRECIPITATION CHANCES HAVE ENDED AT KLBB...BUT WILL
REMAIN AT KCDS UNTIL AROUND 14Z. CONDITIONS...INCLUDING MVFR CIGS...
WILL IMPROVE BY MIDDAY LEAVING BENIGN VFR WEATHER.

PREV DISCUSSION... /ISSUED 536 AM CDT THU APR 2 2009/

SHORT TERM...
THE PASSAGE OF A DYNAMIC/POTENT UA STORM SYSTEM HAS RESULTED IN A
NUMBER OF WEATHER IMPACTS OVERNIGHT. SCATTERED SHOWERS WILL PERSIST
OVER THE NORTHEASTERN HALF OF THE FA DURING THE NEXT 2-4 HOURS...BUT
THE PRIMARY CONCERN TODAY WILL REMAIN THE ONGOING HIGH WIND EVENT.

THE CENTER OF CIRCULATION NOTED BY THE PRECIP SHIELD IS NOW OVER THE
SOUTHEASTERN PANHANDLE...WHILE VAPOR IMAGERY SHOWS THE INTENSE LOW
ALOFT ABOUT TO TRANSIT THE I27 CORRIDOR SOUTH OF AMARILLO. WRAP-AROUND
PRECIPITATION...SOME OF WHICH HAS BEEN CONVECTIVE IN NATURE...AND
SOME THAT HAS FALLEN AS WINTRY PRECIPITATION OVER THE EXTREME
SOUTHWESTERN PANHANDLE AND NORTHWEST SOUTH PLAINS...IS NOW
TRANSLATING QUICKLY EASTWARD OVER THE NORTHEAST ZONES. PRECIP IS
LIKELY TO DIMINISH/END OVER THE EXTREME SOUTHEAST PANHANDLE AND
NORTHERN ROLLING PLAINS BY 12-15Z. ALTHOUGH SOME DYNAMICAL COOLING
WILL OCCUR BENEATH THE MID LEVEL COLD POOL...EXPECT THAT PRECIP WILL
REMAIN LIQUID EAST OF THE CAPROCK...WHERE TEMPS ARE NOW IN THE LOWER
50S.

OF MOST CONCERN REMAINS THE MAGNITUDE OF WINDS THROUGH AT LEAST
MIDDAY...AS INTERMITTENT SEVERE WIND GUSTS CONTINUE TO OCCUR ATTM
BENEATH A DEVELOPING DRY SLOT AS NOTED IN VAPOR IMAGERY OVER THE
SOUTHWESTERN SOUTH PLAINS. THE COVERAGE OF HIGH WINDS MAY INCREASE
DURING THE COMING HOURS...AS MSLP GRADIENTS TIGHTEN IN THE WAKE OF
THE PASSING CANADIAN FRONT. IN ADDITION...A LOWER TROP WIND MAX
/50+KT AT 850MB/ WILL TRANSLATE EAST OF THE AREA DURING THE 15-18Z
TIME FRAME...AND THIS SHOULD HELP TO ALLEVIATE THE STRONGER
WINDS. THUS WILL SET THE CURRENT HIGH WIND WARNING/ADVISORY TO
EXPIRE AT 15Z...BUT WILL EXTEND THE ROLLING PLAINS PORTION OF THE
HEADLINE UNTIL 18Z.

AFTERNOON TEMPERATURE MAXIMA WILL BE SLIGHTLY BELOW SEASONAL
AVERAGES IN THE WAKE OF THE SYSTEM/FRONT TODAY...AS WINDS CALM
MARKEDLY DURING THE AFTERNOON.

LONG TERM...
A SLIGHTLY AMPLIFIED UPPER RIDGE WILL SLIDE ACROSS
THE PLAINS FRIDAY...AS THE NEXT PACIFIC NORTHWEST SYSTEM DIGS
SOUTHEAST TOWARDS THE REGION. SFC LEE TROUGHING WILL OCCUR ACROSS
SOUTHEAST COLORADO FRIDAY AFTERNOON...INDUCING BREEZY SOUTH TO
SOUTHWEST WINDS. WITH ABOVE SEASONABLY WARM TEMPERATURES
EXPECTED...BREEZY WINDS AND DRY FUELS...FIRE WEATHER POTENTIAL WILL
BE HIGH. THUS...LATER SHIFTS MAY NEED TO DO A FIRE WEATHER WATCH FOR
FRIDAY AFTERNOON. SEE THE FIRE WEATHER DISCUSSION FOR FURTHER
INFORMATION.

GUIDANCE MODELS AGREE THAT TRACK FOR THE UPPER LOW  ON SATURDAY
AFTERNOON WILL BE A NORTHERN SOLUTION /UPPER LOW ACROSS SOUTHERN
KANSAS/. WITH A PROJECTED 100+ KNOT 500MB UPPER LEVEL FLOW ACROSS
THE NORTHERN SOUTH PLAINS /80 TO 85 KTS ELSEWHERE/ ADVISORY TO
HIGH WIND WARNING CRITERIA /SUSTAINED AT 40 MPH AND/OR GUSTS TO 58
MPH/ CAN OCCUR SATURDAY AFTERNOON. FURTHERMORE...CONTINUED DROUGHT
CONDITIONS...WARM TEMPERATURES AND DRY FUELS COULD PROMOTE EXTREME
CONCERNS FOR DANGEROUS FIRE WEATHER POTENTIAL SATURDAY AFTERNOON.
THEREAFTER...SFC WINDS SHOULD SLOWLY BUT GRADUALLY DECLINE
SATURDAY NIGHT/SUNDAY MORNING AS THE SYSTEM MOVES OFF TO THE
NORTHEAST AND THE PRESSURE GRADIENT RELAXES.

MONDAY...ANOTHER SLIGHTLY AMPLIFIED RIDGE PROPAGATES EAST ACROSS THE
PLAINS...IN ADVANCE OF ANOTHER PACIFIC SYSTEM. A SFC LEE TROUGH
DEVELOPS ACROSS EAST CENTRAL COLORADO WEDNESDAY MORNING...CAUSING
SFC WINDS TO INCREASE. BY WEDNESDAY AFTERNOON...THE SYSTEM WILL LIFT
NORTHEAST ACROSS KANSAS AND ONCE AGAIN CREATE A WINDY WEDNESDAY
AFTERNOON/EVENING.

FIRE WEATHER...
A BAND OF SEVERE WINDS OVER THE SOUTHWESTERN SOUTH PLAINS AIDED IN
THE DEVELOPMENT OF WIND DRIVEN WILDFIRES IN COCHRAN AND YOAKUM
COUNTIES THIS MORNING...AS RELATIVE HUMIDITY RECOVERIES AT THE TIME
WERE ONLY IN THE TEENS AND TWENTIES. SINCE THEN...AN AREA OF POST
FRONTAL STRATUS AND A GLANCING PASS OF LIGHT PRECIPITATION HAS AIDED
IN INCREASING RH/S. THUS NOW BELIEVE THAT RELATIVE HUMIDITIES WILL
BE HARD PRESSED TO THREATEN 15 PERCENT AGAIN DURING THE PERIOD OF
STRONG WINDS BEFORE MIDDAY. THUS NO FIRE WEATHER HEADLINES ARE
EXPECTED ATTM FOR TODAY.

THE CURRENT PROGRESSIVE WEATHER PATTERN WILL CONTINUE TO PRESENT
FIRE WEATHER THREATS THROUGH AT LEAST SATURDAY. A RETURN TO BREEZY
SOUTHWESTERLY WINDS AND UNSEASONABLY WARM TEMPERATURES APPEARS AT
LEAST MARGINALLY SUPPORTIVE OF CRITICAL FIRE WEATHER. OF MORE
CONCERN IS THE EMERGENCE OF A WELL KNOWN EXTREMELY CRITICAL FIRE
WEATHER PATTERN SATURDAY. THE POTENTIAL WILL EXIST FOR A DANGEROUS
FIRE WEATHER EVENT THEN...ESPECIALLY GIVEN EXPECTATIONS FOR POOR
PRECEDING RECOVERIES AND THE MAGNITUDE OF ANTICIPATED WINDS. GIVEN
THE ONGOING SHORT TERM WEATHER CONCERNS...WILL OPT TO ALLOW THE
CURRENT SYSTEM TO PASS THEN LET THE DAY SHIFT ADDRESS THE FRIDAY/
SATURDAY FIRE WEATHER CONCERNS. FIRE WEATHER WATCHES WILL LIKELY BE
NEEDED LATER TODAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
FRIONA        60  33  76  43  66 /  10   0   0  10  10
TULIA         59  33  76  45  70 /  10   0   0   0  10
PLAINVIEW     60  35  78  46  72 /  10   0   0   0  10
LEVELLAND     64  35  80  48  75 /  10   0   0   0   0
LUBBOCK       63  37  80  50  75 /  10   0   0   0   0
DENVER CITY   68  35  80  46  76 /   0   0   0   0   0
BROWNFIELD    66  37  80  48  77 /  10   0   0   0   0
CHILDRESS     62  37  78  53  76 /  10   0   0   0  10
SPUR          63  36  78  51  79 /  10   0   0   0   0
ASPERMONT     66  38  81  56  82 /  10   0   0   0   0

&&

.LUB WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL NOON CDT TODAY FOR THE FOLLOWING ZONES:
TXZ023-024-029-030-035-036-041-042.

HIGH WIND WARNING UNTIL NOON CDT TODAY FOR THE FOLLOWING ZONES:
TXZ025-026-031-032-037-038-043-044.

&&

05/99

Hazardous weather outlook, Apr 2, 10:05 AM CDT, 6 minutes before

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In the hours before

Local storm report, Apr 2, 6:18 AM CDT, 3 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
618 AM CDT THU APR 02 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0615 AM     NON-TSTM WND GST 5 SSW GRAHAM            33.08N 101.50W
04/02/2009  M63 MPH          GARZA              TX   MESONET

&&

EVENT NUMBER 00308

FB

Local storm report, Apr 2, 6:51 AM CDT, 3 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
651 AM CDT THU APR 02 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0645 AM     NON-TSTM WND GST 1 NE MEMPHIS            34.74N 100.53W
04/02/2009  M64 MPH          HALL               TX   MESONET

&&

EVENT NUMBER 00309

FB

Local storm report, Apr 2, 6:52 AM CDT, 3 hours 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
652 AM CDT THU APR 02 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0645 AM     NON-TSTM WND GST 6 NW WHITE RIVER LAKE   33.54N 101.17W
04/02/2009  M60 MPH          CROSBY             TX   MESONET

&&

EVENT NUMBER 00310

FB

Local storm report, Apr 2, 7:28 AM CDT, 2 hours 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
728 AM CDT THU APR 02 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0710 AM     NON-TSTM WND GST 7 ESE SILVERTON         34.43N 101.19W
04/02/2009  M62 MPH          BRISCOE            TX   MESONET

&&

EVENT NUMBER 00311

FB

Local storm report, Apr 2, 9:19 AM CDT, 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
919 AM CDT THU APR 02 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0855 AM     NON-TSTM WND GST 5 SSW GRAHAM            33.08N 101.50W
04/02/2009  M59 MPH          GARZA              TX   MESONET

            MEASURED BY THE TEXAS TECH WEST TEXAS MESONET

&&

EVENT NUMBER 00312

GS

Local storm report, Apr 2, 10:00 AM CDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1000 AM CDT THU APR 02 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0935 AM     NON-TSTM WND GST 6 NW WHITE RIVER LAKE   33.54N 101.17W
04/02/2009  M59 MPH          CROSBY             TX   MESONET

            MEASURED BY THE TEXAS TECH WEST TEXAS MESONET

&&

EVENT NUMBER 00313

GS

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 2, 3:27 AM CDT	High Wind Warning	LUB	Bailey, Childress, Cochran, Cottle, Crosby, Dickens and 14 more	9 hr
Apr 2, 3:27 AM CDT	Wind Advisory	LUB	Crosby, Floyd, Garza	6 hr
Apr 2, 12:06 PM CDT	Wind Advisory	LUB	Childress, Cottle, Dickens, Hall, Kent, King and 2 more	2 hr
Apr 2, 3:41 PM CDT	Fire Weather Watch	LUB	Bailey, Briscoe, Castro, Cochran, Crosby, Dickens and 12 more	14 hr
Apr 2, 3:41 PM CDT	Fire Weather Watch	LUB	Bailey, Briscoe, Castro, Childress, Cochran, Cottle and 18 more	30 hr

Nearby

Wind Advisories in Texas, 2009 Every wind advisory in 2009

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.