Alert archive / Arizona / Special Weather Statements in 2014

Special Weather Statement, NWS Tucson, AZ

July 27, 2014Santa Cruz County, Arizona

NWS Tucson, AZ issued this special weather statement at Jul 27, 2014, 9:00 PM MST for Santa Cruz County, Arizona. It was in force for 45 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 27, 2014, 9:00 PM MST (04:00 UTC)
Expired
Jul 27, 2014, 9:45 PM MST
In force
45 min
Issued by
NWS Tucson, AZ

County Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 52 km from the middle of the area, began a volume at 04:00 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 00:00Z, 4.0 hours before the alert went out and 92 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-pSkew-T log-p diagram, Tuscon, AZ at 00:00Z on 2014-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 453 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 00:00Z on 2014-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -88 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
453 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
2614 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-88 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jul 27, 2:25 PM MST, 6 hours 35 minutes earlier.

Area forecast discussion, Jul 27, 2:25 PM MST, 6 hours 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
225 PM MST SUN JUL 27 2014

.SYNOPSIS...EXPECT A GOOD CHANCE OF MAINLY AFTERNOON AND EVENING
THUNDERSTORMS TO START THE WEEK. SOME STORMS WILL GENERATE LOCALLY
HEAVY RAIN AND STRONG GUSTY WINDS. FEWER STORMS ARE EXPECTED AROUND
MID WEEK AS HIGH PRESSURE BUILDS OVERHEAD ACCOMPANIED BY SEVERAL
DEGREES OF HEATING BY TUESDAY OR WEDNESDAY. A STRONGER CHANCE OF
THUNDERSTORMS RETURNS ONCE AGAIN TO END THE WEEK AND TAKE US INTO
NEXT WEEKEND.

&&

.DISCUSSION...A DOWN TREND IMMEDIATELY BEHIND LAST NIGHT'S ACTIVITY
THROUGH WESTERN AND CENTRAL AREAS (SAY...FROM TUCSON WESTWARD)
DURING THE MORNING HOURS WITH EARLY CLEARING IN MOST EASTERN AREAS.
IN ADDITION AND MOST IMPORTANTLY...WE STILL HAVE THE STRONG IMPULSE
COMING IN ON OUR BRISK EASTERLY FLOW FROM CHIHUAHUA LATE TODAY AND
TONIGHT TO TAKE ADVANTAGE OF DEEP MOISTURE IN PLACE (PRECIPITABLE
WATER VALUES BACK UP AROUND 1.4 TO 1.6 INCHES). DECENT SHEER PROFILE
ABOVE 10K FEET AND SOLID STORM STRUCTURE ENVIRONMENT FOR ORGANIZED
OUTFLOWS. AS EXPECTED WE ARE SEEING SOME STRONG DEVELOPMENT IN
EASTERN AREAS AND STILL EXPECT THUNDERSTORMS INTO CENTRAL AND
WESTERN AREAS BETWEEN 00Z-06Z. SEVERE WIND THREAT AS WELL AS
POTENTIAL LOCAL FLASH FLOOD THREATS INTO THE EVENING HOURS.

STILL LOOKING AT A POSSIBLE DOWNTURN BY TUESDAY OR WEDNESDAY AND
LASTING INTO AT LEAST THURSDAY AS A SECONDARY HIGH CENTER
RECONSOLIDATES (BRIEFLY) NEARLY OVERHEAD. THIS WILL TEND TO PUSH
STORM ACTIVITY BACK TO BORDER AND MOUNTAIN AREAS WHILE WE HEAT UP
SEVERAL DEGREES (PERHAPS AGAIN CLIMBING TO A FEW DEGREES SHY OF
RECORD LEVELS).

THAT SECONDARY HIGH SHOULD WEAKEN LATE THURSDAY INTO EARLY FRIDAY
WITH THE RIDGE REORIENTING ONCE AGAIN INTO A MORE FAVORABLE POSITION
FOR STRONG THUNDERSTORM COVERAGE FOR SE AZ BY FRIDAY OR SATURDAY.

&&

.AVIATION...VALID THRU 29/00Z.
SCTD TSRA/SHRA E OF KTUS WILL PUSH W FOR THE REMAINDER OF THIS
AFTERNOON INTO THIS EVENING WITH LINGERING ISOLD -SHRA AFTER
MIDNIGHT OR 29/07Z. MVFR CONDITIONS WITH THE STRONGER TSRA ALONG
WITH WIND GUSTS TO NEAR 40-45 KTS. OTHERWISE CLOUD DECKS WILL
GENERALLY BE AT 7-12K FT AGL THRU THE PERIOD. TSRA/SHRA DVLPG AFTER
29/18Z ON MONDAY. AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...SCATTERED MOSTLY AFTERNOON AND EVENING THUNDERSTORMS
FOR THE UPCOMING WEEK. EXPECT STRONG...GUSTY AND ERRATIC WINDS NEAR
THE STRONGER STORMS. OTHERWISE...NORMAL DIURNAL WIND TRENDS WILL
OCCUR WITH OCCASIONAL GUSTS DURING THE AFTERNOON HOURS DUE TO
DAYTIME HEATING.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...NONE.

&&

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON

MEYER/GLUECK

In the hours before

Special weather statement, Jul 27, 4:37 PM MST, 4 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
437 PM MST SUN JUL 27 2014

AZZ508-512-280000-
CHIRICAHUA MOUNTAINS INCLUDING CHIRICAHUA NATIONAL MONUMENT
AZ-EASTERN COCHISE COUNTY BELOW 5000 FEET INCLUDING DOUGLAS/WILLCOX
AZ-
437 PM MST SUN JUL 27 2014

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN COCHISE COUNTY UNTIL 500
PM MST...

AT 430 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM OVER THE SOUTHERN CHIRICAHUA MOUNTAINS...MOVING
NORTHWEST AT 10 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.

AREAS AFFECTED BY THIS STORM INCLUDE...RUCKER CANYON.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3170 10940 3190 10929 3173 10910 3159 10922
TIME...MOT...LOC 2335Z 129DEG 10KT 3172 10925

KD
Special weather statement, Jul 27, 4:58 PM MST, 4 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
458 PM MST SUN JUL 27 2014

AZZ508-512-280115-
CHIRICAHUA MOUNTAINS INCLUDING CHIRICAHUA NATIONAL MONUMENT
AZ-EASTERN COCHISE COUNTY BELOW 5000 FEET INCLUDING DOUGLAS/WILLCOX
AZ-
458 PM MST SUN JUL 27 2014

...SIGNIFICANT WEATHER ADVISORY FOR BLOWING DUST IN EFFECT UNTIL 615
PM MST...

A LINE OF SHOWERS AND THUNDERSTORMS THAT EXTEND FROM EXTREME
NORTHEAST COCHISE COUNTY AND ALONG THE ARIZONA AND NEW MEXICO BORDER
TO THE CHIRICAHUA MOUNTAINS WILL CONTINUE TO MOVE TO THE WEST THIS
AFTERNOON. GUSTY WINDS ASSOCIATED WITH THESE THUNDERSTORMS WILL
LIKELY RESULT IN BLOWING DUST...POTENTIALLY AFFECTING MOTORIST ALONG
INTERSTATE 10 BETWEEN THE NEW MEXICO BORDER TO EAST OF WILLCOX. AT

AREAS AFFECTED INCLUDE...BOWIE...SAN SIMON AND I-10 AT MILEPOST 355.

EXPECT REDUCED VISIBILITIES DUE TO BLOWING DUST. AUTOMATED CAMERAS
ALONG INTERSTATE 10 NEAR SAN SIMON INDICATE THAT AT THIS TIME IT
DOES APPEAR THAT THE VISIBILITY WILL BE REDUCED ENOUGH TO JUSTIFY A
DUST STORM WARNING...BUT VISIBILITIES COULD FALL BELOW A MILE AT
TIMES...AND PERHAPS EVEN LOWER IN A FEW DUST PRONE AREAS.

IN ADDITION...THIS AREA OF BLOWING DUST MAY INTENSIFY...SO BE CERTAIN
TO MONITOR LOCAL RADIO STATIONS FOR ADDITIONAL INFORMATION AND
POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3242 10905 3208 10905 3217 10964 3242 10968

MOLLERE
Special weather statement, Jul 27, 5:03 PM MST, 3 hours 57 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE TUCSON AZ
503 PM MST SUN JUL 27 2014

AZZ508-512-280115-
CHIRICAHUA MOUNTAINS INCLUDING CHIRICAHUA NATIONAL MONUMENT
AZ-EASTERN COCHISE COUNTY BELOW 5000 FEET INCLUDING DOUGLAS/WILLCOX
AZ-
503 PM MST SUN JUL 27 2014

...SIGNIFICANT WEATHER ADVISORY FOR BLOWING DUST IN EFFECT UNTIL 615
PM MST...

A LINE OF SHOWERS AND THUNDERSTORMS THAT EXTEND FROM EXTREME
NORTHEAST COCHISE COUNTY AND ALONG THE ARIZONA AND NEW MEXICO BORDER
TO THE CHIRICAHUA MOUNTAINS WILL CONTINUE TO MOVE TO THE WEST THIS
AFTERNOON. GUSTY WINDS ASSOCIATED WITH THESE THUNDERSTORMS WILL
LIKELY RESULT IN BLOWING DUST...POTENTIALLY AFFECTING MOTORIST ALONG
INTERSTATE 10 BETWEEN THE NEW MEXICO BORDER TO EAST OF WILLCOX.

AREAS AFFECTED INCLUDE...BOWIE...SAN SIMON AND I-10 AT MILEPOST 355.

EXPECT REDUCED VISIBILITIES DUE TO BLOWING DUST. AUTOMATED CAMERAS
ALONG INTERSTATE 10 NEAR SAN SIMON INDICATE THAT AT THIS TIME IT
DOES NOT APPEAR THAT THE VISIBILITY WILL BE REDUCED ENOUGH TO
JUSTIFY A DUST STORM WARNING...BUT VISIBILITIES COULD FALL BELOW A
MILE AT TIMES...AND PERHAPS EVEN LOWER IN A FEW DUST PRONE AREAS.

IN ADDITION...THIS AREA OF BLOWING DUST MAY INTENSIFY...SO BE CERTAIN
TO MONITOR LOCAL RADIO STATIONS FOR ADDITIONAL INFORMATION AND
POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3242 10905 3208 10905 3217 10964 3242 10968

MOLLERE
Special weather statement, Jul 27, 5:19 PM MST, 3 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
519 PM MST SUN JUL 27 2014

AZZ506-507-280045-
SOUTHEAST PINAL COUNTY INCLUDING KEARNY/MAMMOTH/ORACLE AZ-UPPER SAN
PEDRO RIVER VALLEY INCLUDING SIERRA VISTA/BENSON AZ-
519 PM MST SUN JUL 27 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PINAL AND
NORTHEASTERN PIMA COUNTIES UNTIL 545 PM MST...

AT 512 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NORTH OF REDINGTON MOVING WEST AT 10 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

AREAS AFFECTED BY THIS STORM INCLUDE...SAN MANUEL.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3240 11062 3262 11065 3260 11045 3238 11046
TIME...MOT...LOC 0019Z 082DEG 11KT 3249 11052

KD
Special weather statement, Jul 27, 9:00 PM MST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 5:03 PM MSTSpecial Weather StatementTWC72 min
Jul 27, 5:13 PM MSTSevere Thunderstorm WarningTWCCochise32 min
Jul 27, 5:19 PM MSTSpecial Weather StatementTWC26 min
Jul 27, 5:45 PM MSTAreal Flood AdvisoryTWCCochise105 min
Jul 27, 5:49 PM MSTSevere Thunderstorm WarningTWCPima16 min
Jul 27, 6:03 PM MSTAreal Flood AdvisoryTWCGraham87 min
Jul 27, 6:46 PM MSTAreal Flood AdvisoryTWCCochise89 min
Jul 27, 7:07 PM MSTSevere Thunderstorm WarningTWCCochise38 min
Jul 27, 7:21 PM MSTAreal Flood AdvisoryTWCGraham114 min
Jul 27, 7:32 PM MSTAreal Flood AdvisoryTWCCochise88 min
Jul 27, 8:15 PM MSTAreal Flood AdvisoryTWCCochise75 min
Jul 27, 8:55 PM MSTAreal Flood AdvisoryTWCCochise80 min
Jul 27, 10:06 PM MSTAreal Flood AdvisoryTWCCochise, Santa Cruz114 min
Jul 28, 2:35 PM MSTSpecial Weather StatementTWCCochise40 min

Nearby

Special Weather Statements in Arizona, 2014Every special weather statement in 2014

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.