Alert archive / Arizona / Special Weather Statements in 2016
Special Weather Statement, NWS Tucson, AZ
NWS Tucson, AZ issued this special weather statement at Jul 19, 2016, 2:57 PM MST for Santa Cruz County, Arizona. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2016, 2:57 PM MST (21:57 UTC)
- Expired
- Jul 19, 2016, 4:00 PM MST
- In force
- 63 min
- Issued by
- NWS Tucson, AZ
County Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 48 km from the middle of the area, began a volume at 21:58 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, 10.0 hours before the alert went out and 36 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
- 377 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 1939 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tucson, AZ wrote its last area forecast discussion before this special weather statement went out at Jul 19, 2:45 PM MST, 12 minutes earlier.
Area forecast discussion, Jul 19, 2:45 PM MST, 12 minutes before
Area Forecast Discussion National Weather Service Tucson AZ 245 PM MST TUE JUL 19 2016 .SYNOPSIS...Scattered mainly afternoon and evening showers and thunderstorms will occur again Wednesday. A decrease in coverage of showers and thunderstorms will then prevail Thursday into this weekend. Expect hotter daytime temperatures Thursday through Saturday followed by a minor moderation in temperatures early next week. && .DISCUSSION...Scattered to numerous showers and thunderstorms were occurring generally across central/eastern Pima County, southern Pinal County and Santa Cruz County at this time. Other isolated showers and thunderstorms were also occurring further east across northern Graham County, and the White Mountains. The ongoing showers/tstms will move mainly northwestward during the next few hours, with the main threat being locally heavy rainfall and brief gusty winds. There is still the potential for blowing dust by this evening along the Interstate 10 corridor northwest of Tucson to Phoenix. Various mesoscale models suggest that showers/tstms will this evening mainly across eastern sections as the ongoing showers/tstms decrease markedly in coverage/intensity. Thus, the official forecast continues with scattered showers/ tstms area-wide this evening followed by a slight chance of showers/tstms late tonight into Wednesday morning. Would not be surprised that precip-free conditions occur across much of the area late tonight as has generally been the case the past few nights. However, there will still be enough moisture to support the aforementioned scenario of a slight chance of showers/tstms. Various mesoscale models depict similar coverage of showers/tstms Wednesday. Have continued with scattered mainly afternoon/evening showers/tstms again Wednesday. The 19/12Z GFS/ECMWF/CMC were similar versus their respective solutions in depicting a gradual daily decrease in showers/tstms to begin Thursday and continue into this weekend. Given the progged easterly mid-level flow, precip-free conditions area-wide should not occur as happened earlier this month. However, moisture should remain sufficient for isolated to scattered afternoon and evening showers and thunderstorms Thursday through next Tuesday. A warming trend will occur Wednesday through Friday as heights/ thicknesses increase due to a consolidation of an upper high over southern California. Expect some minor moderation in daytime temps early next week, but daytime temps will remain above normal. && .AVIATION...VALID THRU 21/00Z. Scattered -TSRA/-SHRA this evening followed by isolated -SHRA across the area late tonight into Wednesday morning. Expect scattered -TSRA/-SHRA to return Wednesday afternoon. Brief wind gusts to 45 kts and MVFR conditions will occur with stronger TSRA. Surface wind will generally be variable in direction less than 12 kts thru the period. Aviation discussion not updated for TAF amendments. && .FIRE WEATHER...Adequate moisture for scattered afternoon and evening thunderstorms again Wednesday. A drying trend will then lead to reduced coverage of showers and thunderstorms Thursday into this weekend. Moisture will remain adequate for isolated to scattered thunderstorms early next week. Outside of gusty thunderstorm outflows, 20-foot winds will be terrain driven and mostly less than 15 mph. && .TWC WATCHES/WARNINGS/ADVISORIES...None. && Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson Francis
In the hours before
Special weather statement, Jul 19, 2:17 PM MST, 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
217 PM MST TUE JUL 19 2016
AZZ503-504-192145-
UPPER SANTA CRUZ RIVER AND ALTAR VALLEYS INCLUDING NOGALES-TUCSON
METRO AREA INCLUDING TUCSON/GREEN VALLEY/MARANA/VAIL-
217 PM MST TUE JUL 19 2016
...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL PIMA COUNTY UNTIL
245 PM MST...
AT 216 PM MST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
EAST OF SAHUARITA...OR 8 MILES NORTHEAST OF GREEN VALLEY...MOVING
NORTHWEST AT 15 MPH.
WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
GREEN VALLEY...SAHUARITA...EAST SAHUARITA...SUMMIT...VALENCIA WEST...
DREXEL HEIGHTS...SAN XAVIER MISSION AND CORONA DE TUCSON.
THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
LAT...LON 3182 11121 3216 11112 3199 11074 3176 11083
3176 11084 3175 11084
TIME...MOT...LOC 2116Z 117DEG 13KT 3190 11088
MOLLERESpecial weather statement, Jul 19, 2:36 PM MST, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 236 PM MST TUE JUL 19 2016 AZZ505-506-514-192215- SOUTH CENTRAL PINAL COUNTY INCLUDING ELOY/PICACHO PEAK STATE PARK-SOUTHEAST PINAL COUNTY INCLUDING KEARNY/MAMMOTH/ORACLE-SANTA CATALINA AND RINCON MOUNTAINS INCLUDING MOUNT LEMMON/SUMMERHAVEN- 236 PM MST TUE JUL 19 2016 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PINAL COUNTY UNTIL 315 PM MST... AT 234 PM MST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER ORACLE...OR 19 MILES NORTHEAST OF ORO VALLEY...MOVING NORTHWEST AT 15 MPH. WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM. IN ADDITION, EXPECT BRIEF PERIODS OF MODERATE TO HEAVY RAIN AND BLOWING DUST. LOCATIONS IMPACTED INCLUDE... ORACLE...SAN MANUEL...CAMPO BONITO AND BIOSPHERE 2. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. LAT...LON 3252 11058 3252 11081 3276 11114 3289 11076 TIME...MOT...LOC 2134Z 153DEG 12KT 3264 11075 MOLLERE
Special weather statement, Jul 19, 2:57 PM MST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
257 PM MST TUE JUL 19 2016
AZZ502>504-515-192300-
UPPER SANTA CRUZ RIVER AND ALTAR VALLEYS INCLUDING NOGALES-TUCSON
METRO AREA INCLUDING TUCSON/GREEN VALLEY/MARANA/VAIL-TOHONO O'ODHAM
NATION INCLUDING SELLS-BABOQUIVARI MOUNTAINS INCLUDING KITT PEAK-
257 PM MST TUE JUL 19 2016
...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL SANTA CRUZ AND
EASTERN PIMA COUNTIES UNTIL 400 PM MST...
AT 254 PM MST...DOPPLER RADAR WAS TRACKING A CLUSTER OF STRONG
THUNDERSTORMS FROM JUST SOUTH AND EAST OF THE TUCSON INTERNATIONAL
AIRPORT...THEN WEST ACROSS INTERSTATE 19 AND SOUTH OF THREE POINTS
TO NEAR ARIVACA. THESE STORMS ARE MOVING NORTHWEST AT 15 MPH.
WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
TUCSON...SAHUARITA...TUCSON ESTATES...DREXEL HEIGHTS...
VALENCIA WEST...THREE POINTS...SUMMIT...EAST SAHUARITA...SAN PEDRO...
RYAN FIELD...JUNCTION OF HIGHWAY 286 AND ARIVACA ROAD...
SAN XAVIER MISSION...TUCSON INTERNATIONAL AIRPORT...
SAGUARO NATIONAL PARK WEST...PICTURE ROCKS AND VAIL.
THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
LAT...LON 3200 11070 3191 11110 3180 11116 3155 11109
3162 11153 3210 11155 3234 11127
TIME...MOT...LOC 2154Z 140DEG 12KT 3201 11095
MOLLEREThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 2:17 PM MST | Special Weather Statement | TWC | Santa Cruz | 28 min |
| Jul 19, 2:36 PM MST | Special Weather Statement | TWC | Pinal | 39 min |
| Jul 19, 3:09 PM MST | Special Weather Statement | TWC | 51 min | |
| Jul 19, 3:20 PM MST | Blowing Dust Advisory | TWC | Pinal | 86 min |
| Jul 19, 3:26 PM MST | Special Weather Statement | TWC | Pinal | 49 min |
| Jul 19, 3:55 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 35 min |
| Jul 19, 4:06 PM MST | Special Weather Statement | TWC | Pima | 54 min |
| Jul 19, 4:11 PM MST | Severe Thunderstorm Warning | TWC | Pima | 49 min |
| Jul 19, 4:19 PM MST | Special Weather Statement | TWC | 41 min | |
| Jul 19, 4:20 PM MST | Special Weather Statement | TWC | 40 min | |
| Jul 19, 4:46 PM MST | Dust Storm Warning | TWC | Pinal | 105 min |
Nearby
Special Weather Statements in Arizona, 2016Every special weather statement in 2016
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.