Severe Thunderstorm Warning 77, NWS Salt Lake City, UT

000 
WWUS55 KSLC 051958
SVSSLC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
154 PM MDT WED SEP 5 2007

UTC007-015-052045-
/O.CON.KSLC.SV.W.0077.000000T0000Z-070905T2045Z/
EMERY UT-CARBON UT-
154 PM MDT WED SEP 5 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM MDT
FOR SOUTHEASTERN CARBON AND NORTHEASTERN EMERY COUNTIES...

AT 151 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
LOCATED 8 MILES SOUTHWEST OF SUNNYSIDE...OR ABOUT 20 MILES SOUTHEAST
OF PRICE...MOVING NORTHEAST AT 25 MPH.

EAST CARBON CITY AND SUNNYSIDE ARE IN THE PATH OF THIS STORM. THIS 
IS A DANGEROUS STORM...PLEASE TAKE COVER IMMEDIATELY

THE SEVERE THUNDERSTORM WILL BE NEAR...
  EAST CARBON AND SUNNYSIDE BY 205 PM MDT...

THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 70 MPH. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED.

LAT...LON 3948 11077 3930 11071 3941 11002 3953 11004
      3972 10998

$$

RG

000 
WWUS55 KSLC 052030
SVSSLC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
230 PM MDT WED SEP 5 2007

UTC007-015-052040-
/O.CAN.KSLC.SV.W.0077.000000T0000Z-070905T2045Z/
EMERY UT-CARBON UT-
230 PM MDT WED SEP 5 2007

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CARBON AND
NORTHEASTERN EMERY COUNTIES IS CANCELLED...

THE STORM HAS WEAKENED AND IS NO LONGER SEVERE. THEREFORE THE WARNING
HAS BEEN CANCELLED.

LAT...LON 3948 11077 3930 11071 3941 11002 3953 11004
      3972 10998

$$

SEAMAN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1017 AM MDT WED SEP 5 2007

.SYNOPSIS...A STRONG PACIFIC SYSTEM WILL MOVE ACROSS THE
INTERMOUNTAIN REGION TODAY. THE ASSOCIATED COLD FRONT WILL MOVE
ACROSS NORTHERN UTAH THIS AFTERNOON AND INTO SOUTHERN UTAH
TONIGHT. A COOLER AIRMASS WILL SPREAD ACROSS UTAH FOR LATE IN THE
WEEK.

&&

.DISCUSSION...A VERY BUSY DAY SETTING UP ACROSS MUCH OF THE
REGION. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE
OCCURRING OVER THE NORTHWESTERN AND EASTERN PORTIONS OF UTAH AS
WELL AS EXTREME SOUTHWESTERN WYOMING. COVERAGE IS EXPECTED TO
INCREASE FAIRLY QUICKLY OVER THE NEXT SEVERAL HOURS...WITH THE
MAIN FOCUS OF ANY SEVERE WEATHER TODAY FROM THE WASATCH FRONT
SOUTH AND EAST.

VERY HIGH VALUES OF 0-6 KM SHEAR...UPWARDS OF 60 TO 70
KTS...EXIST ACROSS NORTHWEST UTAH. THE 12Z SOUNDING AT KSLC WAS
ALREADY INDICATING OVER 500 J/KG OF CAPE THIS MORNING. THIS WILL
ONLY INCREASE WITH CLEAR SKIES OVER PORTIONS OF NORTHERN AND
CENTRAL UTAH THIS MORNING. A COLD FRONT CURRENTLY STRETCHES ACROSS
UTAH FROM NEAR LOGAN TO NEAR DELTA. WITH STRONG LINEAR FORCING
ASSOCIATED WITH THIS FRONT...EXPECT CONVECTION WILL EVENTUALLY
DEVELOP INTO A LINEAR FEATURE AS THE AFTERNOON PROGRESSES. THE
MAIN THREAT WILL BE GUSTY WINDS THIS AFTERNOON...ALTHOUGH HAIL IS
CERTAINLY POSSIBLE.

&&

.AVIATION...NORTHERLY SURFACE WINDS SHOULD PERSIST AT KSLC THROUGH
THE AFTERNOON HOURS. TERMINAL SHOULD REMAIN BETWEEN TWO ACTIVE AREAS
OF THUNDERSTORMS THROUGH ABOUT 18Z OR SO. DAYTIME HEATING SHOULD
RESULT IN WIDESPREAD SHOWERS AND THUNDERSTORMS THROUGHOUT THE
AFTERNOON HOURS. THE MOST LIKELY TIME FOR THESE STORMS TO IMPACT THE
TERMINAL WOULD BE BETWEEN 20Z AND 00Z.

&&

.FIRE WEATHER...PACIFIC STORM SYSTEM WILL CONTINUE TO IMPACT THE
DISTRICT TODAY. ABUNDANT MOISTURE AHEAD OF THIS SYSTEM REMAINS
ACROSS THE REGION...AND WILL ALLOW FOR WIDESPREAD SHOWERS AND
THUNDERSTORMS THIS AFTERNOON. DRIER AIR ACROSS NEVADA EXPECTED TO
SPREAD EAST INTO FAR SOUTHWEST UT THIS AFTERNOON. WILL LEAVE RED
FLAG WARNING IN EFFECT FOR ZONES 435...437 AND 439...BUT WILL DROP
WARNING ELSEWHERE AS RH SHOULD REMAIN TOO HIGH.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...RED FLAG WARNING UNTIL 9 PM WEDNESDAY FOR FIRE WEATHER ZONES
435...437 AND 439.

WY...NONE.

&&

PUBLIC...C.SMITH
FIRE WEATHER/AVIATION...SEAMAN

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
119 PM MDT WED SEP 5 2007

UTZ001>016-517-518-WYZ021-061930-
CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT-
SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT-
GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS-
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL-
SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH-
CENTRAL MOUNTAINS-SOUTHERN MOUNTAINS-SOUTHWEST WYOMING-
119 PM MDT WED SEP 5 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL UTAH...
NORTHERN UTAH...SOUTHERN UTAH...SOUTHWEST UTAH AND SOUTHWEST
WYOMING.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A POTENT PACIFIC SYSTEM WILL CONTINUE TO IMPACT THE REGION.
SHOWERS AND THUNDERSTORMS WILL BE WIDESPREAD ACROSS MUCH OF UTAH
THIS AFTERNOON. STRONGER STORMS ARE CAPABLE OF PRODUCING DAMAGING
WINDS AND LARGE HAIL. IN ADDITION...HEAVY RAIN AND LOCALIZED
FLOODING ARE POSSIBLE WITH THE STRONGER SHOWERS AND THUNDERSTORMS.
STAY TUNED TO NOAA WEATHER RADIO AND LOCAL BROADCAST NETWORKS FOR
THE LATEST WEATHER INFORMATION.

A COLD FRONT WILL MOVE INTO THE AREA TONIGHT BRINGING COOLER AIR
FOR THE REMAINDER OF THE WEEK.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A COOL AIRMASS WILL REMAIN IN PLACE INTO THE WEEKEND. NO
SIGNIFICANT STORMS ARE FORECAST.

.SPOTTER INFORMATION STATEMENT...WEATHER SPOTTERS ARE ENCOURAGED
TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD
OPERATING PROCEDURES.

UTZ019>021-061930-
UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH-
GLEN CANYON RECREATION AREA/LAKE POWELL-
119 PM MDT WED SEP 5 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN UTAH.

.DAY ONE...TODAY AND TONIGHT

STRONG WINDS AND DRY CONDITIONS ARE EXPECTED TO RESULT IN CRITICAL
FIRE WEATHER CONDITIONS FOR PORTIONS OF SOUTHWEST AND SOUTH CENTRAL
UTAH TODAY. A RED FLAG WARNING IS IN EFFECT. IN
ADDITION...THUNDERSTORMS CURRENTLY DEVELOPING THIS AFTERNOON MAY
PRODUCE GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

COOLER AIR WILL MOVE INTO THE REGION. HOWEVER...THE THREAT FOR
ISOLATED THUNDERSTORMS REMAINS THROUGH THE REST OF THE
WEEK...PRIMARILY OVER HIGHER TERRAIN.

.SPOTTER INFORMATION STATEMENT...WEATHER SPOTTERS ARE ENCOURAGED
TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD
OPERATING PROCEDURES.

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)