Alert archive / Arizona / Special Weather Statements in 2016

Special Weather Statement, NWS Tucson, AZ

November 3, 2016

NWS Tucson, AZ issued this special weather statement at Nov 3, 2016, 4:48 PM MST. It was in force for 42 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: Nov 3, 2016, 4:48 PM MST (23:48 UTC)
Expired: Nov 3, 2016, 5:30 PM MST
In force: 42 min
Issued by: NWS Tucson, AZ

The radar

The Tucson radar (KEMX), 50 km from the middle of the area, began a volume at 23:48 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, 11.8 hours before the alert went out and 11 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 89 J/kg
Mixed-layer CIN: -178 J/kg
Mixed-layer LCL: 1815 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

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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 Nov 3, 2:02 PM MST, 2 hours 46 minutes earlier.

Area forecast discussion, Nov 3, 2:02 PM MST, 2 hours 46 minutes before

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In the hours before

Special weather statement, Nov 3, 11:52 AM MST, 4 hours 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1152 AM MST THU NOV 3 2016

AZZ502>504-515-031930-
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-
1152 AM MST THU NOV 3 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL PIMA COUNTY UNTIL
1230 PM MST...

AT 1150 AM MST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR THREE POINTS...OR 24 MILES SOUTHWEST OF MARANA... MOVING
NORTHWEST AT 25 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 45 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
THREE POINTS...WESTERN AVRA VALLEY...QUEENS WELL...PAN TAK...
SANTA ROSA RANCH.

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 3201 11114 3190 11137 3221 11192 3246 11129
TIME...MOT...LOC 1850Z 142DEG 21KT 3212 11142

MEYER

Special weather statement, Nov 3, 12:33 PM MST, 4 hours 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1233 PM MST THU NOV 3 2016

AZZ502-504-505-032015-
SOUTH CENTRAL PINAL COUNTY INCLUDING ELOY/PICACHO PEAK STATE
PARK-TUCSON METRO AREA INCLUDING TUCSON/GREEN
VALLEY/MARANA/VAIL-TOHONO O'ODHAM NATION INCLUDING SELLS-
1233 PM MST THU NOV 3 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN PINAL AND NORTH
CENTRAL PIMA COUNTIES UNTIL 115 PM MST...

AT 1231 PM MST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11
MILES SOUTHWEST OF AVRA VALLEY...OR 16 MILES SOUTHWEST OF MARANA...
MOVING NORTHWEST AT 30 MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM, ALONG WITH AREAS OF BLOWING DUST.

LOCATIONS IMPACTED INCLUDE...
MARANA...ELOY...AVRA VALLEY...SILVER BELL...RED ROCK...
PICTURE ROCKS...AND PICACHO PEAK.

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 3249 11220 3273 11173 3273 11167 3276 11161
      3283 11154 3293 11135 3224 11122 3207 11163
TIME...MOT...LOC 1931Z 152DEG 28KT 3231 11144

MEYER

Special weather statement, Nov 3, 1:45 PM MST, 3 hours 3 minutes before

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Special weather statement, Nov 3, 4:48 PM MST, 0 minutes before

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The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 3, 11:52 AM MST	Special Weather Statement	TWC	Pima	38 min
Nov 3, 12:33 PM MST	Special Weather Statement	TWC	Pinal	42 min
Nov 3, 12:40 PM MST	Blowing Dust Advisory	TWC	Pima, Pinal	80 min
Nov 3, 1:12 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	48 min
Nov 3, 1:45 PM MST	Special Weather Statement	TWC		45 min

Nearby

Special Weather Statements in Arizona, 2016 Every 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.