Alert archive / Arizona / Wind Advisories in 2018
Wind Advisory 5, NWS Tucson, AZ
NWS Tucson, AZ issued this wind advisory at Apr 30, 2018, 2:37 PM MST for 4 counties in Arizona. It took effect at May 1, 2018, 12:00 PM MST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 30, 2018, 2:37 PM MST (21:37 UTC)
- In effect from
- May 1, 2018, 12:00 PM MST
- Expired
- May 1, 2018, 7:00 PM MST
- In force
- 7 hr
- Issued by
- NWS Tucson, AZ
Counties Cochise County, AZ, Graham County, AZ, Pima County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 25 km from the middle of the area, began a volume at 21:34 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 (KDMA), launched 12:00Z, 9.6 hours before the alert went out and 32 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
- 3448 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
448 WWUS75 KTWC 302137 NPWTWC URGENT - WEATHER MESSAGE National Weather Service Tucson AZ 237 PM MST Mon Apr 30 2018 AZZ503-507-508-011200- /O.NEW.KTWC.WI.Y.0005.180501T1900Z-180502T0200Z/ Upper Santa Cruz River Valley/Altar Valley- Upper San Pedro River Valley- Eastern Cochise County below 5000 feet- Including the cities of Nogales and Sierra Vista 237 PM MST Mon Apr 30 2018 ...WIND ADVISORY IN EFFECT FROM NOON TO 7 PM MST TUESDAY... The National Weather Service in Tucson has issued a Wind Advisory, which is in effect from noon to 7 PM MST Tuesday. * IMPACTS...The winds can make driving difficult, especially for motorists with high profile vehicles. In addition...loose and unsecured outdoor objects may be blown around. Patchy areas of blowing dust are possible. * AREA AFFECTED...Santa Cruz county and southern half of Cochise county. * TIMING...Tuesday afternoon into early Tuesday evening. * WINDS...South to southwest 25 to 35 mph with gusts up to 45 mph. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the Detailed Hazards Icon PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph or greater are expected in the valleys. Higher gusts are also likely. This could make driving difficult...especially for high profile vehicles. Use extra caution. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
3 follow-up statements
236 WWUS75 KTWC 010920 NPWTWC URGENT - WEATHER MESSAGE National Weather Service Tucson AZ 220 AM MST Tue May 1 2018 AZZ503-507-508-012300- /O.CON.KTWC.WI.Y.0005.180501T1900Z-180502T0200Z/ Upper Santa Cruz River Valley/Altar Valley- Upper San Pedro River Valley- Eastern Cochise County below 5000 feet- Including the cities of Nogales and Sierra Vista 220 AM MST Tue May 1 2018 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MST THIS EVENING... * IMPACTS...The forecast winds can make driving difficult, especially for motorists with high profile vehicles where a southwest wind is a crosswind. In addition...loose and unsecured outdoor objects may be blown around. Patchy areas of blowing dust are possible. * AREA AFFECTED...Santa Cruz county and southern half of Cochise county. * TIMING...Noon today into this evening. * WINDS...South wind 10 to 20 mph becoming southwest 25 to 35 mph with gusts up to 45 mph this afternoon. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the Detailed Hazards Icon PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph or greater are expected in the valleys. Higher gusts are also likely. This could make driving difficult...especially for high profile vehicles. Use extra caution. && $$ Cerniglia Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
575 WWUS75 KTWC 012156 NPWTWC URGENT - WEATHER MESSAGE National Weather Service Tucson AZ 256 PM MST Tue May 1 2018 AZZ503-507-508-020200- /O.CON.KTWC.WI.Y.0005.000000T0000Z-180502T0200Z/ Upper Santa Cruz River Valley/Altar Valley- Upper San Pedro River Valley- Eastern Cochise County below 5000 feet- Including the cities of Nogales and Sierra Vista 256 PM MST Tue May 1 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... * IMPACTS...Winds can make driving difficult, especially for motorists with high profile vehicles. In addition...loose and unsecured outdoor objects may be blown around. * TIMING...Strong gusty winds continuing into this evening. * WINDS...Southwest 25 to 35 mph with gusts near 50 mph. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the Detailed Hazards Icon PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph or greater are expected in the valleys. Higher gusts are also likely. This could make driving difficult...especially for high profile vehicles. Use extra caution. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
382 WWUS75 KTWC 020226 NPWTWC URGENT - WEATHER MESSAGE National Weather Service Tucson AZ 726 PM MST Tue May 1 2018 AZZ503-507-508-020330- /O.EXP.KTWC.WI.Y.0005.000000T0000Z-180502T0200Z/ Upper Santa Cruz River Valley/Altar Valley- Upper San Pedro River Valley- Eastern Cochise County below 5000 feet- Including the cities of Nogales and Sierra Vista 726 PM MST Tue May 1 2018 ...WIND ADVISORY HAS EXPIRED... Wind speeds continued to diminish this evening. Thus, the advisory was allowed to expire on time at 7PM MST. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 2:21 PM MST | Fire Weather Watch | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 36 hr |
| Apr 30, 2:21 PM MST | Red Flag Warning | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 29 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.