Alert archive / Arizona / Freeze Warnings in 2012
Freeze Warning 2, NWS Tucson, AZ
NWS Tucson, AZ issued this freeze warning at Nov 9, 2012, 8:54 PM MST for 6 counties in Arizona. It took effect at Nov 11, 2012, 1:00 AM MST. It was in force for 7 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 9, 2012, 8:54 PM MST (03:54 UTC)
- In effect from
- Nov 11, 2012, 1:00 AM MST
- Expired
- Nov 11, 2012, 8:00 AM MST
- In force
- 7 hr
- Issued by
- NWS Tucson, AZ
Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 61 km from the middle of the area, began a volume at 03:56 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
Tuscon, AZ (KTUS), launched 00:00Z, 3.9 hours before the alert went out and 49 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
- 97 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 2211 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
801 WWUS75 KTWC 100354 NPWTWC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 854 PM MST FRI NOV 9 2012 AZZ503-507>509-101200- /O.NEW.KTWC.FZ.W.0002.121111T0800Z-121111T1500Z/ /O.CON.KTWC.HZ.A.0001.121112T0800Z-121112T1600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY- UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- INCLUDING THE CITIES OF...NOGALES...SIERRA VISTA...BENSON... WILLCOX...CLIFTON...SAFFORD 854 PM MST FRI NOV 9 2012 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY... ...HARD FREEZE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY. A HARD FREEZE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING. * TIMING...COLDER SATURDAY NIGHT...THEN MUCH COLDER SUNDAY NIGHT. * TEMPERATURES...NEAR TO BELOW FREEZING TEMPERATURES ARE EXPECTED SATURDAY NIGHT...THEN FREEZING TEMPERATURES WILL BE LIKELY ACROSS THE AREA AFTER MIDNIGHT SUNDAY NIGHT...AND DROP DOWN TO BELOW 28 DEGREES IN MANY LOCATIONS AROUND DAYBREAK MONDAY MORNING. * IMPACTS...SUB-FREEZING TEMPERATURES CAN KILL UNPROTECTED PLANTS AND TREES...AS WELL AS DAMAGE OUTDOOR PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HARD FREEZE WATCH MEANS WIDESPREAD TEMPERATURES AT OR BELOW 28 DEGREES ARE POSSIBLE...WITH SUB-FREEZING TEMPERATURES EXPECTED FOR SEVERAL HOURS. TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES...PIPES SHOULD BE WRAPPED...DRAINED...OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEIR SYSTEMS...OR COVER ANY ABOVE-GROUND PIPES TO PROTECT THEM FROM FREEZING. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED. THESE TEMPERATURES WILL KILL SENSITIVE CROPS AND VEGETATION. COVER THEM...IF POSSIBLE...WITH CLOTH SHEETS OR BLANKETS TO PROTECT THEM FROM FREEZING. && $$ AZZ506-101200- /O.NEW.KTWC.FZ.W.0002.121111T0800Z-121111T1500Z/ /O.EXA.KTWC.HZ.A.0001.121112T0800Z-121112T1600Z/ SOUTHEAST PINAL COUNTY- INCLUDING THE CITIES OF...MAMMOTH...ORACLE 854 PM MST FRI NOV 9 2012 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY... ...HARD FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY. A HARD FREEZE WATCH HAS ALSO BEEN ISSUED. THIS HARD FREEZE WATCH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING. * TIMING...COLDER SATURDAY NIGHT...THEN MUCH COLDER SUNDAY NIGHT. * TEMPERATURES...NEAR TO BELOW FREEZING TEMPERATURES ARE EXPECTED SATURDAY NIGHT...THEN FREEZING TEMPERATURES WILL BE LIKELY ACROSS THE AREA AFTER MIDNIGHT SUNDAY NIGHT...AND DROP DOWN TO NEAR OR BELOW 28 DEGREES IN SOME LOCATIONS AROUND DAYBREAK MONDAY MORNING. * IMPACTS...SUB-FREEZING TEMPERATURES CAN KILL UNPROTECTED PLANTS AND TREES...AS WELL AS DAMAGE OUTDOOR PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HARD FREEZE WATCH MEANS WIDESPREAD TEMPERATURES AT OR BELOW 28 DEGREES ARE POSSIBLE...WITH SUB-FREEZING TEMPERATURES EXPECTED FOR SEVERAL HOURS. TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES...PIPES SHOULD BE WRAPPED...DRAINED...OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEIR SYSTEMS...OR COVER ANY ABOVE-GROUND PIPES TO PROTECT THEM FROM FREEZING. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED. THESE TEMPERATURES WILL KILL SENSITIVE CROPS AND VEGETATION. COVER THEM...IF POSSIBLE...WITH CLOTH SHEETS OR BLANKETS TO PROTECT THEM FROM FREEZING. && $$
5 follow-up statements
885 WWUS75 KTWC 100922 NPWTWC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 222 AM MST SAT NOV 10 2012 AZZ503-506>509-102300- /O.CON.KTWC.FZ.W.0002.121111T0800Z-121111T1500Z/ /O.CON.KTWC.HZ.A.0001.121112T0800Z-121112T1600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-SOUTHEAST PINAL COUNTY- UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- INCLUDING THE CITIES OF...NOGALES...MAMMOTH...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...SAFFORD 222 AM MST SAT NOV 10 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY... ...HARD FREEZE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY. A HARD FREEZE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING. * TIMING...COLDER SATURDAY NIGHT...THEN MUCH COLDER SUNDAY NIGHT. * TEMPERATURES...NEAR TO BELOW FREEZING TEMPERATURES ARE EXPECTED SATURDAY NIGHT...THEN FREEZING TEMPERATURES WILL BE LIKELY ACROSS THE AREA AFTER MIDNIGHT SUNDAY NIGHT...AND DROP DOWN TO BELOW 28 DEGREES IN MANY LOCATIONS AROUND DAYBREAK MONDAY MORNING. * IMPACTS...SUB-FREEZING TEMPERATURES CAN KILL UNPROTECTED PLANTS AND TREES...AS WELL AS DAMAGE OUTDOOR PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HARD FREEZE WATCH MEANS WIDESPREAD TEMPERATURES AT OR BELOW 28 DEGREES ARE POSSIBLE...WITH SUB-FREEZING TEMPERATURES EXPECTED FOR SEVERAL HOURS. TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES...PIPES SHOULD BE WRAPPED...DRAINED...OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEIR SYSTEMS...OR COVER ANY ABOVE-GROUND PIPES TO PROTECT THEM FROM FREEZING. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED. THESE TEMPERATURES WILL KILL SENSITIVE CROPS AND VEGETATION. COVER THEM...IF POSSIBLE...WITH CLOTH SHEETS OR BLANKETS TO PROTECT THEM FROM FREEZING. && $$
351 WWUS75 KTWC 102051 NPWTWC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 151 PM MST SAT NOV 10 2012 AZZ503-506>509-110500- /O.UPG.KTWC.HZ.A.0001.121112T0800Z-121112T1600Z/ /O.NEW.KTWC.HZ.W.0001.121112T0800Z-121112T1600Z/ /O.CON.KTWC.FZ.W.0002.121111T0800Z-121111T1500Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-SOUTHEAST PINAL COUNTY- UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- INCLUDING THE CITIES OF...NOGALES...MAMMOTH...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...SAFFORD 151 PM MST SAT NOV 10 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY... ...HARD FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A HARD FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY. THE HARD FREEZE WATCH IS NO LONGER IN EFFECT. A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY. * TIMING...FREEZING TEMPERATURES TONIGHT...THEN MUCH COLDER SUNDAY NIGHT. * TEMPERATURES...NEAR TO BELOW FREEZING TEMPERATURES ARE EXPECTED SATURDAY NIGHT...THEN FREEZING TEMPERATURES WILL BE LIKELY ACROSS THE AREA AFTER MIDNIGHT SUNDAY NIGHT...AND DROP DOWN TO BELOW 28 DEGREES IN MANY LOCATIONS AROUND DAYBREAK MONDAY MORNING. * IMPACTS...SUB-FREEZING TEMPERATURES CAN KILL UNPROTECTED PLANTS AND TREES...AS WELL AS DAMAGE OUTDOOR PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HARD FREEZE WARNING MEANS WIDESPREAD TEMPERATURES AT OR BELOW 28 DEGREES ARE EXPECTED...WITH SUB-FREEZING TEMPERATURES EXPECTED FOR SEVERAL HOURS. TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES...THEY SHOULD BE WRAPPED...DRAINED...OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEM...AND COVER ABOVE-GROUND PIPES TO PROTECT THEM FROM FREEZING. THESE CONDITIONS WILL ALSO KILL CROPS AND OTHER SENSITIVE VEGETATION. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED. THESE TEMPERATURES WILL KILL SENSITIVE CROPS AND VEGETATION. COVER THEM...IF POSSIBLE...WITH CLOTH SHEETS OR BLANKETS TO PROTECT THEM FROM FREEZING. && $$
004 WWUS75 KTWC 110449 NPWTWC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 949 PM MST SAT NOV 10 2012 AZZ503-506>509-111500- /O.CON.KTWC.FZ.W.0002.121111T0800Z-121111T1500Z/ /O.CON.KTWC.HZ.W.0001.121112T0800Z-121112T1600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-SOUTHEAST PINAL COUNTY- UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- INCLUDING THE CITIES OF...NOGALES...MAMMOTH...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...SAFFORD 949 PM MST SAT NOV 10 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY... ...HARD FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY... A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM MST SUNDAY. A HARD FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY. * TIMING...FREEZING TEMPERATURES TONIGHT...THEN MUCH COLDER SUNDAY NIGHT. * TEMPERATURES...NEAR TO BELOW FREEZING TEMPERATURES ARE EXPECTED TONIGHT...THEN FREEZING TEMPERATURES WILL BE LIKELY ACROSS THE AREA AFTER MIDNIGHT SUNDAY NIGHT...AND DROP DOWN TO BELOW 28 DEGREES IN MANY LOCATIONS AROUND DAYBREAK MONDAY MORNING. * IMPACTS...SUB-FREEZING TEMPERATURES CAN KILL UNPROTECTED PLANTS AND TREES...AS WELL AS DAMAGE OUTDOOR PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HARD FREEZE WARNING MEANS WIDESPREAD TEMPERATURES AT OR BELOW 28 DEGREES ARE EXPECTED...WITH SUB-FREEZING TEMPERATURES EXPECTED FOR SEVERAL HOURS. TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES...THEY SHOULD BE WRAPPED...DRAINED...OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEM...AND COVER ABOVE-GROUND PIPES TO PROTECT THEM FROM FREEZING. THESE CONDITIONS WILL ALSO KILL CROPS AND OTHER SENSITIVE VEGETATION. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED. THESE TEMPERATURES WILL KILL SENSITIVE CROPS AND VEGETATION. COVER THEM...IF POSSIBLE...WITH CLOTH SHEETS OR BLANKETS TO PROTECT THEM FROM FREEZING. && $$
068 WWUS75 KTWC 110939 NPWTWC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 239 AM MST SUN NOV 11 2012 AZZ504-112300- /O.NEW.KTWC.FZ.W.0003.121112T0800Z-121112T1600Z/ TUCSON METRO AREA- INCLUDING THE CITIES OF...GREEN VALLEY...MARANA...VAIL 239 AM MST SUN NOV 11 2012 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY. * TEMPERATURES...NEAR TO BELOW FREEZING TEMPERATURES ARE EXPECTED ACROSS MOSTLY OUTLYING AREAS OF EASTERN PIMA COUNTY... SPECIFICALLY AREAS SUCH AS GREEN VALLEY...VAIL AND MARANA. EVEN THOUGH SOME PORTIONS OF THE TUCSON METRO AREA WILL REMAIN SLIGHTLY ABOVE THE FREEZING MARK...LOW LYING LOCATIONS WITHIN THE CITY SUCH AS DRY WASHES AND THE SURROUNDING SUBURBS WILL LIKELY FALL AT OR BELOW FREEZING. * TIMING...FREEZING TEMPERATURES WILL BEGIN TO FALL AT OR BELOW FREEZING BETWEEN 1 AM AND 9 AM MST MONDAY MORNING. * IMPACTS...SUB-FREEZING TEMPERATURES CAN KILL SENSITIVE CROPS AND VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED. THESE TEMPERATURES WILL KILL SENSITIVE CROPS AND VEGETATION. COVER THEM...IF POSSIBLE...WITH CLOTH SHEETS OR BLANKETS TO PROTECT THEM FROM FREEZING. && $$ AZZ503-506>509-112300- /O.CON.KTWC.FZ.W.0002.000000T0000Z-121111T1500Z/ /O.CON.KTWC.HZ.W.0001.121112T0800Z-121112T1600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-SOUTHEAST PINAL COUNTY- UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- INCLUDING THE CITIES OF...NOGALES...MAMMOTH...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...SAFFORD 239 AM MST SUN NOV 11 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... ...HARD FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY... A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING. A HARD FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY. * TIMING...FREEZING TEMPERATURES TONIGHT...THEN MUCH COLDER SUNDAY NIGHT. * TEMPERATURES...NEAR TO BELOW FREEZING TEMPERATURES ARE EXPECTED TONIGHT...THEN FREEZING TEMPERATURES WILL BE LIKELY ACROSS THE AREA AFTER MIDNIGHT SUNDAY NIGHT...AND DROP DOWN TO BELOW 28 DEGREES IN MANY LOCATIONS AROUND DAYBREAK MONDAY MORNING. * IMPACTS...SUB-FREEZING TEMPERATURES CAN KILL UNPROTECTED PLANTS AND TREES...AS WELL AS DAMAGE OUTDOOR PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HARD FREEZE WARNING MEANS WIDESPREAD TEMPERATURES AT OR BELOW 28 DEGREES ARE EXPECTED...WITH SUB-FREEZING TEMPERATURES EXPECTED FOR SEVERAL HOURS. TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES...THEY SHOULD BE WRAPPED...DRAINED...OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEM...AND COVER ABOVE-GROUND PIPES TO PROTECT THEM FROM FREEZING. THESE CONDITIONS WILL ALSO KILL CROPS AND OTHER SENSITIVE VEGETATION. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED. THESE TEMPERATURES WILL KILL SENSITIVE CROPS AND VEGETATION. COVER THEM...IF POSSIBLE...WITH CLOTH SHEETS OR BLANKETS TO PROTECT THEM FROM FREEZING. && $$
256 WWUS75 KTWC 111505 NPWTWC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 805 AM MST SUN NOV 11 2012 AZZ503-506>509-112315- /O.EXP.KTWC.FZ.W.0002.000000T0000Z-121111T1500Z/ /O.CON.KTWC.HZ.W.0001.121112T0800Z-121112T1600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-SOUTHEAST PINAL COUNTY- UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- INCLUDING THE CITIES OF...NOGALES...MAMMOTH...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...SAFFORD 805 AM MST SUN NOV 11 2012 ...HARD FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY... ...FREEZE WARNING HAS EXPIRED... THE FREEZE WARNING IS NO LONGER IN EFFECT. A HARD FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY. * TIMING...AFTER A COLD NIGHT...TEMPERATURES WILL WARM THIS MORNING. EXPECT MUCH COLDER TEMPERATURES AFTER MIDNIGHT THROUGH DAYBREAK MONDAY MORNING. * TEMPERATURES...EXPECT A MUCH COLDER NIGHT WITH WIDESPREAD BELOW FREEZING TEMPERATURES WITH MANY LOCATIONS DROPPING BELOW 28 DEGREES AROUND DAYBREAK MONDAY MORNING. * IMPACTS...SUB-FREEZING TEMPERATURES CAN KILL UNPROTECTED PLANTS AND TREES...AS WELL AS DAMAGE OUTDOOR PIPES PRECAUTIONARY/PREPAREDNESS ACTIONS... A HARD FREEZE WARNING MEANS WIDESPREAD TEMPERATURES AT OR BELOW 28 DEGREES ARE EXPECTED...WITH SUB-FREEZING TEMPERATURES EXPECTED FOR SEVERAL HOURS. TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES...THEY SHOULD BE WRAPPED...DRAINED...OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEM...AND COVER ABOVE-GROUND PIPES TO PROTECT THEM FROM FREEZING. THESE CONDITIONS WILL ALSO KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ AZZ504-112315- /O.CON.KTWC.FZ.W.0003.121112T0800Z-121112T1600Z/ TUCSON METRO AREA- INCLUDING THE CITIES OF...GREEN VALLEY...MARANA...VAIL 805 AM MST SUN NOV 11 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY... A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MST MONDAY. * TEMPERATURES...NEAR TO BELOW FREEZING TEMPERATURES ARE EXPECTED ACROSS MOSTLY OUTLYING AREAS OF EASTERN PIMA COUNTY... SPECIFICALLY AREAS SUCH AS GREEN VALLEY...VAIL AND MARANA. EVEN THOUGH SOME PORTIONS OF THE TUCSON METRO AREA WILL REMAIN SLIGHTLY ABOVE THE FREEZING MARK...LOW LYING LOCATIONS WITHIN THE CITY SUCH AS DRY WASHES AND THE SURROUNDING SUBURBS WILL LIKELY FALL AT OR BELOW FREEZING. * TIMING...FREEZING TEMPERATURES WILL BEGIN TO FALL AT OR BELOW FREEZING BETWEEN 1 AM AND 9 AM MST MONDAY MORNING. * IMPACTS...SUB-FREEZING TEMPERATURES CAN KILL SENSITIVE CROPS AND VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED. THESE TEMPERATURES WILL KILL SENSITIVE CROPS AND VEGETATION. COVER THEM...IF POSSIBLE...WITH CLOTH SHEETS OR BLANKETS TO PROTECT THEM FROM FREEZING. && $$
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 10, 1:51 PM MST | Hard Freeze Warning | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 43 hr |
Nearby
Freeze Warnings in Arizona, 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; radar from the NEXRAD Level II archive.