Alert archive / Colorado / Special Weather Statements in 2015

Special Weather Statement, NWS Pueblo, CO

June 30, 2015Costilla County, Colorado

NWS Pueblo, CO issued this special weather statement at Jun 30, 2015, 5:41 PM MDT for Costilla County, Colorado. It was in force for 49 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
Jun 30, 2015, 5:41 PM MDT (23:41 UTC)
Expired
Jun 30, 2015, 6:30 PM MDT
In force
49 min
Issued by
NWS Pueblo, CO

County Costilla County, CO

The radar

The Pueblo radar (KPUX), 168 km from the middle of the area, began a volume at 23:42 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

Denver, CO (KDEN), launched 12:00Z, 11.7 hours before the alert went out and 343 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, Denver, CO at 12:00Z on 2015-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Denver, CO at 12:00Z on 2015-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2409 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Pueblo, CO wrote its last area forecast discussion before this special weather statement went out at Jun 30, 3:30 PM MDT, 2 hours 11 minutes earlier.

Area forecast discussion, Jun 30, 3:30 PM MDT, 2 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PUEBLO CO
330 PM MDT TUE JUN 30 2015

.SHORT TERM...(THIS EVENING THROUGH WEDNESDAY)
ISSUED AT 240 PM MDT TUE JUN 30 2015

SHORT-TERM METEOROLOGICAL ISSUES CONTINUE TO BE POPS AND
TEMPERATURES.

GENERALLY LIGHT WINDS...MOSTLY SUNNY SKIES AND VERY WARM TO HOT
CONDITIONS ARE COVERING LARGE SECTIONS OF THE FORECAST DISTRICT
EARLY THIS AFTERNOON WITH TEMPERATURES RUNNING ABOVE LATE JUNE
CLIMATOLOGICAL AVERAGES OVER MANY LOCATIONS...FOR EXAMPLE THE
MAXIMUM TEMPERATURES SO FAR THIS AFTERNOON AT KPUB(PUEBLO) HAS BEEN
99F.  IN ADDITION...ISOLATED PRIMARILY WESTERN MOUNTAIN SHOWERS
HAVE RECENTLY DEVELOPED.

UPPER RIDGE LOCATED OVER SOUTHERN UTAH AT 00Z WEDNESDAY IS PROJECTED
TO SHIFT INTO CENTRAL NEVADA BY 00Z THURSDAY...WHILE FORECAST MODEL
SOUNDINGS...REAL-TIME DATA...COMPUTER SIMULATIONS AND PV ANALYSIS
INDICATE THAT NORTHERLY TO NORTHEASTERLY SURFACE SURGE WILL PUSH
ACROSS EASTERN SECTIONS TONIGHT AND BE LOCATED OVER NORTHEASTERN
NEW MEXICO BY WEDNESDAY MORNING.

CANT DISCOUNT ISOLATED SHOWER AND THUNDERSTORM ACTIVITY OVER
PORTIONS OF THE FORECAST DISTRICT TONIGHT WITH INCREASING CHANCES OF
PRECIPITATION THEN ANTICIPATED BY LATER WEDNESDAY.  HIGHEST
POTENTIAL FOR MORE WIDESPREAD HEAVIER PRECIPITATION SHOULD BE NOTED
OVER THE WESTERN HALF OF THE FORECAST DISTRICT...ESPECIALLY BY LATER
WEDNESDAY.

FINALLY...COOLER TEMPERATURES ARE ANTICIPATED OVER EASTERN SECTIONS
WEDNESDAY AFTERNOON WHEN COMPARED TO THIS AFTERNOON...HOWEVER ABOVE
SEASONAL LATE JUNE/EARLY JULY TEMPERATURES ARE STILL PROJECTED
TONIGHT WITH NEAR TO SLIGHTLY ABOVE SEASONAL TEMPERATURES EXPECTED
WEDNESDAY OVER THE MAJORITY OF THE FORECAST DISTRICT.

.LONG TERM...(WEDNESDAY NIGHT THROUGH TUESDAY)
ISSUED AT 240 PM MDT TUE JUN 30 2015

...ACTIVE THURSDAY AND POSSIBLY FRIDAY...DRIER FOR THE JULY 4TH
WEEKEND...HINTS OF THE MONSOON STARTING TO SHOW UP NEXT WEEK...

THURSDAY LOOKS TO BE BUSY IN THE WEATHER DEPARTMENT AS SEVERAL
FACTORS WILL COME TOGETHER ON THIS DAY TO PRODUCE A ACTIVE WEATHER
DAY. A SHORTWAVE WILL BE COMING DOWN EMBEDDED IN THE NW FLOW
ALOFT. UPSLOPE FLOW SHOULD BE IN PLACE AND IT SHOULD BE UNSTABLE
ENOUGH FOR CONVECTION THIS DAY. GIVEN THE SHEAR AND CAPE...FEW TO
SEVERAL SEVERE STORMS WILL BE POSSIBLE. PWATS WILL BE UP SO
LOCALLY HEAVY RAIN WILL BE POSSIBLE. THE ONLY CONCERN I HAVE IS A
2NDRY FRONTAL BOUNDARY WILL BE COMING DOWN THE PLAINS THIS DAY
AND IT MAY BE COOL ENOUGH AT THE LOWER LEVELS TO CAP THE
ATMOSPHERE. ON THE OTHER HAND...THE 2NDRY FRONT MAY ADD
ADDITIONAL LIFT TO THE LOW LEVELS WHICH MAY ENHANCE CONVECTION.
FOR NOW...LEANING MORE TOWARDS AN ACTIVE DAY OVER THE FCST
AREA....WITH THE HIGHEST POPS ALONG THE E SLOPES OF THE S MTNS.

FRIDAY ALSO HAS THE POTENTIAL TO BE A BUSY DAY AS ANOTHER SHORT WAVE
IS FCST TO COME DOWN OVER THE HIGH PLAINS. THIS DISTURBANCE WILL BE
A BIT FARTHER AWAY FROM US SO WE MAY SEE LESS INFLUENCE FROM
IT...BUT ENOUGH PV FORCING ALOFT SHOULD AFFECT THE REGION TO
ENHANCE THE LIFT OVER THE AREA.

FOR THE HOLIDAY WEEKEND...RIDGE GETS SHUNTED OVER THE REGION. WITH
HEIGHTS BUILDING INSTABILITY ALOFT WILL BE LESS...AND EXPECT ONLY
ISOLD CONVECTION OVER THE REGION BOTH SAT AND SUN. SHOULD BE ON THE
WARM SIDE WITH HIGHS IN THE 90S PLAINS.

LONGER RANGE GUIDANCE IS SHOWING THE RIDGE ALOFT PUSHED TO OUR
SOUTHEAST AND THIS WILL PUT US IN SW FLOW IN THE LOWER AND MID LVLS.
THIS MAY ALLOW DEEPER MOISTURE OVER THE SW CONUS TO SHIFT NWD OVER
THE STATE OF COLORADO AND WE MAY SEE SOME MONSOON MOISTURE MOVE INTO
THE REGION EARLY NEXT WEEK. \/HODANISH

&&

.AVIATION...(FOR THE 00Z TAFS THROUGH 00Z WEDNESDAY EVENING)
ISSUED AT 240 PM MDT TUE JUN 30 2015

A NORTHERLY TO NORTHEASTERLY SURFACE SURGE IS EXPECTED TO PUSH
ACROSS SOUTHEASTERN COLORADO TONIGHT WITH ISOLATED SHOWER AND
THUNDERSTORM ACTIVITY POSSIBLE OVER OR NEAR THE TAF SITES AT
TIMES...ALTHOUGH VFR CONDITIONS ARE EXPECTED TO CONTINUE OVER THE
KALS...KCOS AND KPUB TAF SITES INTO WEDNESDAY.  THEN SCATTERED
SHOWER AND THUNDERSTORM ACTIVITY IS ANTICIPATED BY LATER WEDNESDAY.

&&

.PUB WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

SHORT TERM...77
LONG TERM...HODANISH
AVIATION...77
Hazardous weather outlook, Jun 30, 11:21 AM MDT, 6 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PUEBLO CO
1121 AM MDT TUE JUN 30 2015

COZ058>089-093>099-011730-
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
WESTERN CHAFFEE COUNTY BETWEEN 9000 AND 11000 FT-
CENTRAL CHAFFEE COUNTY BELOW 9000 FT-
WESTERN MOSQUITO RANGE/EAST CHAFFEE COUNTY ABOVE 9000 FT-
SAGUACHE COUNTY WEST OF CONTINENTAL DIVIDE BELOW 10000 FT-
SAGUACHE COUNTY EAST OF CONTINENTAL DIVIDE BELOW 10000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
UPPER RIO GRANDE VALLEY/EASTERN SAN JUAN MOUNTAINS BELOW 10000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT-
ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT-
SOUTHERN SAN LUIS VALLEY-
NORTHERN SANGRE DE CRISTO MOUNTAINS BETWEEN 8500 AND 11000 FT-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS BETWEEN 7500 AND 11000 FT-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
NORTHWESTERN FREMONT COUNTY ABOVE 8500 FT-
WESTERN/CENTRAL FREMONT COUNTY BELOW 8500 FT-
WET MOUNTAIN VALLEY BELOW 8500 FEET-
WET MOUNTAINS BETWEEN 6300 AND 10000 FT-
WET MOUNTAINS ABOVE 10000 FT-
TELLER COUNTY/RAMPART RANGE ABOVE 7500 FT/PIKES PEAK BETWEEN
7500 AND 11000 FT-PIKES PEAK ABOVE 11000 FT-
CANON CITY VICINITY/EASTERN FREMONT COUNTY-
NORTHERN EL PASO COUNTY/MONUMENT RIDGE/RAMPART RANGE BELOW
7500 FT-
COLORADO SPRINGS VICINITY/SOUTHERN EL PASO COUNTY/RAMPART RANGE
BELOW 7400 FT-PUEBLO AND VICINITY/PUEBLO COUNTY BELOW 6300 FT-
WALSENBURG VICINITY/UPPER HUERFANO RIVER BASIN BELOW 7500 FT-
TRINIDAD VICINITY/WESTERN LAS ANIMAS COUNTY BELOW 7500 FT-
CROWLEY COUNTY-LA JUNTA VICINITY/OTERO COUNTY-
EASTERN LAS ANIMAS COUNTY-WESTERN KIOWA COUNTY-
EASTERN KIOWA COUNTY-LAS ANIMAS VICINITY/BENT COUNTY-
LAMAR VICINITY/PROWERS COUNTY-SPRINGFIELD VICINITY/BACA COUNTY-
1121 AM MDT TUE JUN 30 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL...EAST
CENTRAL...SOUTH CENTRAL AND SOUTHEAST COLORADO.

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON OVER THE
MOUNTAINS AND HIGH VALLEYS...AND ISOLATED STORMS MAY DEVELOP ALONG
THE PALMER DIVIDE DURING THE EVENING. THE PRIMARY THUNDERSTORM
THREATS WILL BE HAZARDOUS CLOUD TO GROUND LIGHTNING AND WIND
GUSTS TO 50 MPH...HOWEVER SOME OF THE STRONGER STORMS MAY PRODUCE
HAIL UP TO THE SIZE OF NICKELS AND LOCALLY HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

FROM WEDNESDAY THROUGH FRIDAY...THERE WILL BE SOME POTENTIAL FOR
SEVERE STORMS...PARTICULARLY OVER THE EASTERN MOUNTAINS...I-25
CORRIDOR...AND EASTERN PLAINS. THE THREAT WILL BE HIGHEST ON
THURSDAY. SEVERE STORMS WILL HAVE THE POTENTIAL TO PRODUCE HAIL
ONE INCH OR LARGER IN ADDITION TO DAMAGING WINDS OVER 60 MPH.

THUNDERSTORMS WILL BECOME MORE ISOLATED OVER THE HOLIDAY
WEEKEND...MAINLY OVER THE MOUNTAINS. MAIN THREATS FROM STORMS
WILL BE LIGHTNING...WIND GUSTS TO AROUND 50 MPH...SMALL HAIL AND
LOCALLY HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

WEATHER CONDITIONS THAT MEET REPORTING CRITERIA FOR SPOTTERS WILL BE
POSSIBLE THIS AFTERNOON AND EVENING...ESPECIALLY OVER AND NEAR
THE MOUNTAINS.

In the hours before

Special weather statement, Jun 30, 5:41 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
541 PM MDT TUE JUN 30 2015

COZ071-074-010030-
SOUTHERN SANGRE DE CRISTO MOUNTAINS BETWEEN 7500 AND 11000 FT CO-
SOUTHERN SAN LUIS VALLEY CO-
541 PM MDT TUE JUN 30 2015

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL COSTILLA COUNTY UNTIL 630
PM MDT...

AT 541 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
SAN LUIS...OR 28 MILES SOUTHEAST OF ALAMOSA...MOVING WEST AT 10 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
SAN LUIS...BLANCA...SAN ACACIO AND CHAMA.

LAT...LON 3738 10527 3714 10533 3720 10569 3746 10560
TIME...MOT...LOC 2341Z 105DEG 8KT 3728 10541

KT

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 4:12 PM MDTRiver Flood WarningPUBOtero9 days
Jun 30, 5:57 PM MDTSpecial Weather StatementPUBCuster48 min

Nearby

Special Weather Statements in Colorado, 2015Every special weather statement in 2015

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.