Alert archive / California / Freeze Warnings in 2012
Freeze Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this freeze warning at Nov 10, 2012, 10:07 AM PST for San Bernardino County, California. It took effect at Nov 11, 2012, 12:00 AM PST. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 10, 2012, 10:07 AM PST (18:07 UTC)
- In effect from
- Nov 11, 2012, 12:00 AM PST
- Expired
- Nov 11, 2012, 8:54 AM PST
- In force
- 9 hr
- Issued by
- NWS San Diego, CA
County San Bernardino County, CA
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 6.1 hours before the alert went out and 180 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
- 1379 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
201 WWUS76 KSGX 101807 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1007 AM PST SAT NOV 10 2012 ...GUSTY WEST WINDS CONTINUE IN THE MOUNTAINS AND DESERTS TODAY... ...SUB-FREEZING TEMPERATURES TONIGHT AND SUNDAY MORNING IN THE HIGH DESERT... .LOW PRESSURE OVER THE GREAT BASIN WILL CONTINUE GUSTY WESTERLY WINDS IN THE MOUNTAINS AND DESERTS TODAY. THE WINDS WILL DIMINISH THIS EVENING. LIGHT WINDS AND CLEAR SKIES WILL ALLOW TEMPERATURES TO PLUMMET INTO THE TWENTIES OVER THE HIGH DESERT LATE TONIGHT AND SUNDAY MORNING. CAZ060-102215- /O.UPG.KSGX.FZ.A.0003.121111T0500Z-121111T1700Z/ /O.NEW.KSGX.FZ.W.0002.121111T0800Z-121111T1700Z/ /O.CON.KSGX.WI.Y.0046.000000T0000Z-121111T0200Z/ APPLE AND LUCERNE VALLEYS- 1007 AM PST SAT NOV 10 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST SUNDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * WINDS...AREAS OF WESTERLY WINDS 20 TO 30 MPH WITH LOCAL GUSTS OF 45 MPH. STRONGEST WINDS NEAR RIDGE TOPS...ALONG DESERT MOUNTAIN SLOPES...AND ADJACENT DESERT AREAS. VISIBILITY COULD BE REDUCED BRIEFLY BY BLOWING DUST AT TIMES. THE WINDS MAY MAKE DRIVING DIFFICULT IN SPOTS...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. * FREEZING TEMPERATURES...TONIGHT AND SUNDAY MORNING... * LOCATION...HIGH DESERT VALLEYS...THE MOJAVE RIVER VALLEY...AND WIND PROTECTED AREAS. * DURATION...6 TO 10 HOURS SUB-FREEZING. * TEMPERATURE...FALLING INTO THE MID TO UPPER 20S. * IMPACTS...THE PROLONGED COLD COULD KILL OR DAMAGE UNPROTECTED CROPS AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION UNLESS PROTECTIVE MEASURES ARE IMPLEMENTED. A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ055-056-058-061-062-102215- /O.CON.KSGX.WI.Y.0046.000000T0000Z-121111T0200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS-COACHELLA VALLEY- SAN DIEGO COUNTY DESERTS- 1007 AM PST SAT NOV 10 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WINDS...AREAS OF WEST TO SOUTHWEST WINDS 20 TO 35 MPH WITH LOCAL GUSTS OF 45 TO 50 MPH...DECREASING THIS EVENING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH. * LOCATION...STRONGEST WINDS NEAR RIDGE TOPS...ALONG DESERT MOUNTAIN SLOPES...AND ADJACENT DESERT AREAS. * VISIBILITY...IN THE DESERTS...AREAS OF BLOWING DUST AND SAND COULD REDUCE VISIBILITY AT TIMES. * IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. IN THE DESERTS...AREAS OF BLOWING DUST AND SAND COULD REDUCE VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ JAD
4 follow-up statements
892 WWUS76 KSGX 102121 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 121 PM PST SAT NOV 10 2012 ...GUSTY WEST WINDS CONTINUE IN THE MOUNTAINS AND DESERTS TODAY... ...SUB-FREEZING TEMPERATURES TONIGHT AND SUNDAY MORNING IN THE HIGH DESERT... .LOW PRESSURE OVER THE GREAT BASIN WILL CONTINUE GUSTY WESTERLY WINDS IN THE MOUNTAINS AND DESERTS THIS AFTERNOON. THE WINDS WILL DIMINISH THIS EVENING. LIGHT WINDS AND CLEAR SKIES WILL ALLOW TEMPERATURES TO PLUMMET INTO THE MID TO UPPER TWENTIES OVER THE HIGH DESERT LATE TONIGHT AND SUNDAY MORNING. CAZ060-110200- /O.CON.KSGX.FZ.W.0002.121111T0800Z-121111T1700Z/ /O.CON.KSGX.WI.Y.0046.000000T0000Z-121111T0200Z/ APPLE AND LUCERNE VALLEYS- 121 PM PST SAT NOV 10 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST SUNDAY... * WINDS...AREAS OF WESTERLY WINDS 20 TO 30 MPH WITH LOCAL GUSTS OF 45 MPH. STRONGEST WINDS NEAR RIDGE TOPS...ALONG DESERT MOUNTAIN SLOPES...AND ADJACENT DESERT AREAS. VISIBILITY COULD BE REDUCED BRIEFLY BY BLOWING DUST AT TIMES. THE WINDS MAY MAKE DRIVING DIFFICULT IN SPOTS...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. * FREEZING TEMPERATURES...TONIGHT AND SUNDAY MORNING... * LOCATION...HIGH DESERT VALLEYS...THE MOJAVE RIVER VALLEY...AND WIND PROTECTED AREAS. * DURATION...6 TO 10 HOURS SUB-FREEZING. * TEMPERATURE...FALLING INTO THE MID TO UPPER 20S. * IMPACTS...THE PROLONGED COLD COULD KILL OR DAMAGE UNPROTECTED CROPS AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION UNLESS PROTECTIVE MEASURES ARE IMPLEMENTED. A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ055-056-058-061-062-110200- /O.CON.KSGX.WI.Y.0046.000000T0000Z-121111T0200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS-COACHELLA VALLEY- SAN DIEGO COUNTY DESERTS- 121 PM PST SAT NOV 10 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WINDS...AREAS OF WEST TO SOUTHWEST WINDS 20 TO 35 MPH WITH LOCAL GUSTS OF 45 TO 50 MPH...DECREASING THIS EVENING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH. * LOCATION...STRONGEST WINDS NEAR RIDGE TOPS...ALONG DESERT MOUNTAIN SLOPES...AND ADJACENT DESERT AREAS. * VISIBILITY...IN THE DESERTS...AREAS OF BLOWING DUST AND SAND COULD REDUCE VISIBILITY AT TIMES. * IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. IN THE DESERTS...AREAS OF BLOWING DUST AND SAND COULD REDUCE VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ JAD
243 WWUS76 KSGX 110158 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 558 PM PST SAT NOV 10 2012 ...SUB-FREEZING TEMPERATURES TONIGHT AND SUNDAY MORNING IN THE HIGH DESERT... .LIGHT WINDS AND CLEAR SKIES WILL ALLOW TEMPERATURES TO PLUMMET INTO THE MID TO UPPER TWENTIES OVER THE HIGH DESERT LATE TONIGHT AND SUNDAY MORNING. CAZ060-111100- /O.EXP.KSGX.WI.Y.0046.000000T0000Z-121111T0200Z/ /O.CON.KSGX.FZ.W.0002.121111T0800Z-121111T1700Z/ APPLE AND LUCERNE VALLEYS- 558 PM PST SAT NOV 10 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST SUNDAY... ...WIND ADVISORY WILL EXPIRE AT 6 PM PST THIS EVENING... * FREEZING TEMPERATURES...LATE TONIGHT AND SUNDAY MORNING... * LOCATION...HIGH DESERT VALLEYS...THE MOJAVE RIVER VALLEY...AND WIND PROTECTED AREAS. * DURATION...6 TO 10 HOURS SUB-FREEZING. * TEMPERATURE...FALLING INTO THE MID TO UPPER 20S. * IMPACTS...THE PROLONGED COLD COULD KILL OR DAMAGE UNPROTECTED CROPS AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ CAZ055-056-058-061-062-110300- /O.EXP.KSGX.WI.Y.0046.000000T0000Z-121111T0200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS-COACHELLA VALLEY- SAN DIEGO COUNTY DESERTS- 558 PM PST SAT NOV 10 2012 ...WIND ADVISORY WILL EXPIRE AT 6 PM PST THIS EVENING... PRESSURE GRADIENTS AND WINDS ARE DECREASING ACROSS THE MOUNTAINS AND DESERTS THIS EVENING. THEREFORE...THE WIND ADVISORY WILL EXPIRE AT 6 PM. $$ PALMER
708 WWUS76 KSGX 111105 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 305 AM PST SUN NOV 11 2012 ...SUB-FREEZING TEMPERATURES IN THE HIGH DESERT THIS MORNING... .LIGHT WINDS AND CLEAR SKIES THIS MORNING HAVE ALLOWED TEMPERATURES TO FALL INTO THE MID 20S TO LOW 30S OVER THE HIGH DESERT EARLY THIS MORNING. CAZ060-111700- /O.CON.KSGX.FZ.W.0002.000000T0000Z-121111T1700Z/ APPLE AND LUCERNE VALLEYS- 305 AM PST SUN NOV 11 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * LOCATION...HIGH DESERT VALLEYS...THE MOJAVE RIVER VALLEY...AND WIND PROTECTED AREAS. * TEMPERATURES...LOWS IN THE MID TO UPPER 20S. * REPORTS AT 3 AM...29 DEGREES AT HESPERIA AND LUCERNE VALLEY. 30 DEGREES AT APPLE VALLEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ MOEDE
894 WWUS76 KSGX 111654 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 854 AM PST SUN NOV 11 2012 ...FREEZE WARNING FOR THE HIGH DESERT AGAIN TONIGHT... .CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES FALL RAPIDLY OVERNIGHT. TEMPERATURES ARE EXPECTED TO REACH AND FALL BELOW THE FREEZING MARK FOR SEVERAL HOURS. CAZ060-112200- /O.CAN.KSGX.FZ.W.0002.000000T0000Z-121111T1700Z/ /O.NEW.KSGX.FZ.W.0003.121112T0800Z-121112T1600Z/ APPLE AND LUCERNE VALLEYS- 854 AM PST SUN NOV 11 2012 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PST MONDAY... ...FREEZE WARNING IS CANCELLED THIS MORNING... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PST MONDAY. * LOCATION...HIGH DESERT VALLEYS...THE MOJAVE RIVER VALLEY...AND WIND PROTECTED AREAS. * TEMPERATURES...LOWS 25 TO 30. * DURATION...6 TO 8 HOURS BELOW FREEZING. * IMPACTS...CROPS AND PLANTS SENSITIVE TO THE COLD WILL BE KILLED OR SUFFER SIGNIFICANT DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ JAD
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 9, 6:17 PM PST | Freeze Watch | SGX | San Bernardino | 16 hr |
| Nov 10, 8:36 AM PST | Small Craft Advisory | SGX | 17 hr |
Nearby
Freeze Warnings in California, 2012Every freeze warning 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.