Alert archive / Texas / Frost Advisories in 2012
Frost Advisory 5, NWS Amarillo, TX
NWS Amarillo, TX issued this frost advisory at Oct 18, 2012, 3:05 PM CDT for 8 counties in Texas; Beaver County, Texas County, Oklahoma. It took effect at Oct 19, 2012, 4:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Oct 18, 2012, 3:05 PM CDT (20:05 UTC)
- In effect from
- Oct 19, 2012, 4:00 AM CDT
- Expired
- Oct 19, 2012, 9:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Amarillo, TX
Counties Beaver County, OK, Texas County, OK, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Roberts County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 122 km from the middle of the area, began a volume at 20:14 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, 8.1 hours before the alert went out and 122 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2500 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
482 WWUS74 KAMA 182005 NPWAMA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AMARILLO TX 305 PM CDT THU OCT 18 2012 OKZ002-003-TXZ002>005-007>010-190400- /O.NEW.KAMA.FR.Y.0005.121019T0900Z-121019T1400Z/ TEXAS-BEAVER-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-MOORE-HUTCHINSON- ROBERTS-HEMPHILL- INCLUDING THE CITIES OF...GUYMON...BEAVER...FORGAN...STRATFORD... SPEARMAN...GRUVER...PERRYTON...BOOKER...HIGGINS...FOLLETT... DUMAS...BORGER...MIAMI...CANADIAN 305 PM CDT THU OCT 18 2012 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM CDT FRIDAY FOR THE CENTRAL AND EASTERN OKLAHOMA PANHANDLE AND FOR MUCH OF THE NORTHERN TEXAS PANHANDLE. * EVENT...CLEAR SKIES AND LIGHT WINDS ARE EXPECTED TO ALLOW TEMPERATURES TO FALL INTO THE LOWER TO MIDDLE 30S ACROSS THE OKLAHOMA PANHANDLE AND NORTHERN TEXAS PANHANDLE. * TIMING...TEMPERATURES WILL FALL INTO THE LOWER TO MIDDLE 30S BY EARLY FRIDAY MORNING...BEFORE CLIMBING BACK INTO THE 40S BY LATE MORNING. * IMPACTS...VEGETATION SENSITIVE TO NEAR FREEZING TEMPERATURES WILL LIKELY SUSTAIN DAMAGE UNLESS PRECAUTIONS ARE TAKEN TO PROTECT THESE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT MINIMUM TEMPERATURES OF 33 TO 36 DEGREES ARE EXPECTED WITH WIND SPEEDS LESS THAN 10 MPH AND GENERALLY CLEAR SKIES. THESE CONDITIONS MAY OR MAY NOT CAUSE FROST TO DEVELOP. HOWEVER...SENSITIVE PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ NF
2 follow-up statements
595 WWUS74 KAMA 190333 NPWAMA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AMARILLO TX 1033 PM CDT THU OCT 18 2012 OKZ002-003-TXZ002>005-007>010-191200- /O.CON.KAMA.FR.Y.0005.121019T0900Z-121019T1400Z/ TEXAS-BEAVER-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-MOORE-HUTCHINSON- ROBERTS-HEMPHILL- INCLUDING THE CITIES OF...GUYMON...BEAVER...FORGAN...STRATFORD... SPEARMAN...GRUVER...PERRYTON...BOOKER...HIGGINS...FOLLETT... DUMAS...BORGER...MIAMI...CANADIAN 1033 PM CDT THU OCT 18 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT FRIDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT FRIDAY. * EVENT...CLEAR SKIES AND LIGHT WINDS ARE EXPECTED TO ALLOW TEMPERATURES TO FALL INTO THE LOWER TO MIDDLE 30S ACROSS THE OKLAHOMA PANHANDLE AND NORTHERN TEXAS PANHANDLE. * TIMING...TEMPERATURES WILL FALL INTO THE LOWER TO MIDDLE 30S DURING THE EARLY MORNING HOURS...BEFORE CLIMBING BACK INTO THE 40S BY LATE MORNING. * IMPACTS...VEGETATION SENSITIVE TO NEAR FREEZING TEMPERATURES WILL LIKELY SUSTAIN DAMAGE UNLESS PRECAUTIONS ARE TAKEN TO PROTECT THESE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT MINIMUM TEMPERATURES OF 33 TO 36 DEGREES ARE EXPECTED WITH WIND SPEEDS LESS THAN 10 MPH AND GENERALLY CLEAR SKIES. THESE CONDITIONS MAY OR MAY NOT CAUSE FROST TO DEVELOP. HOWEVER...SENSITIVE PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ GOEHRING
822 WWUS74 KAMA 191018 NPWAMA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AMARILLO TX 518 AM CDT FRI OCT 19 2012 OKZ002-003-TXZ002>005-007>010-191400- /O.CON.KAMA.FR.Y.0005.000000T0000Z-121019T1400Z/ TEXAS-BEAVER-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-MOORE-HUTCHINSON- ROBERTS-HEMPHILL- INCLUDING THE CITIES OF...GUYMON...BEAVER...FORGAN...STRATFORD... SPEARMAN...GRUVER...PERRYTON...BOOKER...HIGGINS...FOLLETT... DUMAS...BORGER...MIAMI...CANADIAN 518 AM CDT FRI OCT 19 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING. * EVENT...CLEAR SKIES AND LIGHT WINDS WILL CONTINUE TO ALLOW TEMPERATURES TO FALL INTO THE LOW TO MID 30S ACROSS THE OKLAHOMA PANHANDLE AND NORTHERN TEXAS PANHANDLE. * TIMING...TEMPERATURES WILL CONTINUE TO FALL INTO THE LOW TO MID 30S...BEFORE CLIMBING BACK INTO THE 40S BY LATE MORNING. * IMPACTS...VEGETATION SENSITIVE TO NEAR FREEZING TEMPERATURES WILL LIKELY SUSTAIN DAMAGE UNLESS PRECAUTIONS ARE TAKEN TO PROTECT THESE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT MINIMUM TEMPERATURES OF 33 TO 36 DEGREES ARE EXPECTED WITH WIND SPEEDS LESS THAN 10 MPH AND GENERALLY CLEAR SKIES. THESE CONDITIONS MAY OR MAY NOT CAUSE FROST TO DEVELOP. HOWEVER...SENSITIVE PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ KNS
What forecasters said that day
The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Amarillo, TX wrote its last area forecast discussion before this frost advisory went out at Oct 18, 11:22 AM CDT, 3 hours 43 minutes earlier.
Area forecast discussion, Oct 18, 11:22 AM CDT, 3 hours 43 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 1122 AM CDT THU OCT 18 2012 .AVIATION... FOR THE 18Z TAFS...GENERALLY CLEAR SKIES ALONG WITH WINDS AROUND 10 KTS OR LESS ANTICIPATED AT ALL TAF SITES DURING THE NEXT 24 HOURS. VFR CONDITIONS THRU 18Z FRIDAY. ANDRADE && .PREV DISCUSSION... /ISSUED 921 AM CDT THU OCT 18 2012/ UPDATE... HAVE DONE A QUICK UPDATE TO ALLOW FREEZE WARNING AND FROST ADVISORY TO EXPIRE ON SCHEDULE AT 9 AM. TEMPERATURES HAVE RISEN TO ABOVE THESE CRITICAL VALUES. REST OF WEATHER ELEMENTS FOR TODAY ARE ON TRACK AT THIS TIME. ANDRADE PREV DISCUSSION... /ISSUED 617 AM CDT THU OCT 18 2012/ AVIATION... VFR CONDITIONS TO PREVAIL FOR THE NEXT 24 HOURS. SURFACE WINDS FOR KAMA AND KDHT SHOULD REMAIN BELOW 10 KTS THROUGHOUT THE TAF. KGUY WILL HAVE THE STRONGER WINDS OF THE TERMINALS TODAY WITH SUSTAINED WINDS OUT OF THE NORTHWEST AT 10 KTS WITH BRIEF GUSTS UP TO 20 KTS. THESE STRONGER WINDS WILL DIMINISH DURING THE EVENING DROPPING WINDS BELOW 10 KTS. PREV DISCUSSION... /ISSUED 503 AM CDT THU OCT 18 2012/ DISCUSSION... MOSTLY CLEAR SKIES AND LIGHT WINDS CONTINUE ACROSS THE PANHANDLES THIS MORNING WITH A WIDE RANGE OF TEMPERATURES IN THE MID 30S TO LOWER 50S BEING REPORTED. A PATCH OF MID LEVEL CLOUDS REMAIN OVER THE FAR NORTHEASTERN PORTIONS OF THE PANHANDLES WHICH ARE LIKELY RESPONSIBLE FOR INHIBITING TEMPERATURES FROM FALLING BELOW THE FREEZING MARK. OTHERWISE...THE CURRENT FROST ADVISORY AND FREEZE WARNING LOOK REASONABLE SO WILL CONTINUE THROUGH MID MORNING. SUNNY SKIES AND SEASONABLE TEMPERATURES CAN BE EXPECTED THIS AFTERNOON AS MOST LOCATIONS REACH THE MID TO UPPER 60S. ANOTHER CLEAR AND COOL NIGHT CAN BE EXPECTED TONIGHT...WITH TEMPERATURES FALLING INTO THE 30S. HELD OFF ON ISSUING ANOTHER FROST ADVISORY/FREEZE WARNING FOR NOW...MAINLY TO LIMIT CONFUSION WITH THE CURRENT PRODUCTS IN EFFECT. A WARMING TREND WILL BEGIN ON FRIDAY AND THROUGH THE WEEKEND AS AN UPPER RIDGE BUILDS OVER THE REGION. DRY SOUTHWESTERLY FLOW WILL INCREASE ALLOWING WARM AIR ADVECTION TO REALLY AMP UP. AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE AREA ON MONDAY AS THE UPPER RIDGE BREAKS DOWN AND SHIFTS EAST. WITH ONLY LIMITED MOISTURE AVAILABLE...AN ISOLATED THUNDERSTORM OR TWO MAY OCCUR MOSTLY ACROSS THE SOUTHEASTERN PORTIONS OF THE AREA ON MONDAY. AS A RESULT...THE ADDITIONAL CLOUD COVER WILL LIKELY LIMIT HIGHS MONDAY AFTERNOON. HIGH TEMPERATURES DURING THIS TIME FRAME WILL REACH WELL ABOVE NORMAL FOR THIS TIME OF YEAR WITH GENERALLY 80S EXPECTED THIS WEEKEND THROUGH WEDNESDAY. THE WARMEST DAY OF THIS STRETCH WILL BE SUNDAY WITH A FEW LOCATIONS REACHING ABOVE THE 90 DEGREE MARK WHICH WOULD BE NEAR OR SURPASS MANY RECORD HIGHS ACROSS THE PANHANDLES ON SUNDAY. KNS FIRE WEATHER... VERY BRIEF ELEVATED FIRE WEATHER CONDITIONS WILL BE POSSIBLE ACROSS THE FAR EASTERN OKLAHOMA PANHANDLE THIS AFTERNOON DUE TO RELATIVE HUMIDITY VALUES BETWEEN 12 AND 20 PERCENT AND NORTHWESTERLY 20FT WINDS BETWEEN 15 AND 20 MPH. NO ELEVATED OR CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED ON FRIDAY OR SATURDAY DUE TO 20FT WINDS REMAINING BELOW 15 MPH. ELEVATED TO POSSIBLY CRITICAL FIRE WEATHER CONDITIONS CAN BE EXPECTED ON SUNDAY ACROSS MOST OF THE PANHANDLE REGION. KNS && .AMA WATCHES/WARNINGS/ADVISORIES... TX...NONE. OK...NONE. &&
Hazardous weather outlook, Oct 18, 9:28 AM CDT, 5 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 928 AM CDT THU OCT 18 2012 OKZ001>003-TXZ001>020-182100- CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB- HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON- GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH- 928 AM CDT THU OCT 18 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE...TODAY AND TONIGHT. LOW TEMPERATURES WILL ONCE AGAIN FALL INTO THE LOWER TO MIDDLE 30S ACROSS THE OKLAHOMA PANHANDLE AND NORTHERN TEXAS PANHANDLE TONIGHT. ANOTHER FROST ADVISORY OR FREEZE WARNING MAY BECOME NECESSARY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. ELEVATED TO POSSIBLY CRITICAL FIRE WEATHER CONDITIONS CAN BE EXPECTED ON SUNDAY ACROSS MOST OF THE TEXAS AND OKLAHOMA PANHANDLES. ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS THE SOUTHEASTERN HALF OF THE TEXAS PANHANDLE MONDAY AFTERNOON. SOME OF THE STORMS COULD BE STRONG WITH GUSTY WINDS AND SMALL HAIL BEING THE PRIMARY HAZARDS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. AREA FIRE MANAGERS AND EMERGENCY OFFICIALS SHOULD BE ALERT FOR ELEVATED TO POSSIBLY CRITICAL FIRE WEATHER CONDITIONS SUNDAY.
Nearby
Frost Advisories in Texas, 2012Frost Advisories in Oklahoma, 2012Every frost advisory 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.