Alert archive / Utah / Special Weather Statements in 2011
Special Weather Statement, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this special weather statement at Jul 19, 2011, 3:17 PM MDT for Salt Lake County, Utah. It was in force for 43 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, 2011, 3:17 PM MDT (21:17 UTC)
- Expired
- Jul 19, 2011, 4:00 PM MDT
- In force
- 43 min
- Issued by
- NWS Salt Lake City, UT
County Salt Lake County, UT
The radar
The Salt Lake City radar (KMTX), 77 km from the middle of the area, began a volume at 21:18 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
Grand Junction, CO (KGJT), launched 12:00Z, 9.3 hours before the alert went out and 340 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
- 16 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 1696 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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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 Salt Lake City, UT wrote its last area forecast discussion before this special weather statement went out at Jul 19, 10:03 AM MDT, 5 hours 14 minutes earlier.
Area forecast discussion, Jul 19, 10:03 AM MDT, 5 hours 14 minutes before
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</html>Hazardous weather outlook, Jul 19, 2:46 AM MDT, 12 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 246 AM MDT TUE JUL 19 2011 UTZ001>016-019>021-517-518-WYZ021-201315- 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- UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH- GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS- SOUTHERN MOUNTAINS-SOUTHWEST WYOMING- 246 AM MDT TUE JUL 19 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF UTAH AND SOUTHWEST WYOMING. .DAY ONE...TODAY AND TONIGHT THE THREAT OF FLASH FLOODING AND LIGHTNING WILL CONTINUE PRIMARILY FOR THE EASTERN HALF OF THE STATE TODAY. DRIER AIR WILL GRADUALLY MOVE INTO THE REGION MID WEEK ENDING THE THREAT OF RAINFALL FROM NORTHWEST TO SOUTHEAST ACROSS THE AREA. SOUTHERLY WINDS WILL INCREASE THIS AFTERNOON ACROSS THE WEST DESERTS AHEAD OF A COLD FRONT...BEFORE BECOMING NORTHWESTERLY THIS EVENING. THESE WINDS MAY CAUSE TRAVEL DIFFICULTIES FOR HIGH PROFILE VEHICLES AS WELL AS PROVIDING DANGEROUS FIRE WEATHER CONDITIONS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THUNDERSTORMS ARE POSSIBLE ACROSS PORTIONS OF SOUTHERN AND EASTERN UTAH AGAIN STARTING SUNDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ROGOWSKI FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
In the hours before
Local storm report, Jul 19, 12:53 PM MDT, 2 hours 24 minutes before
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</html>Special weather statement, Jul 19, 3:17 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
317 PM MDT TUE JUL 19 2011
UTZ002-003-007-192200-
NORTHERN WASATCH FRONT UT-SALT LAKE AND TOOELE VALLEYS UT-WASATCH
MOUNTAINS I-80 NORTH UT-
317 PM MDT TUE JUL 19 2011
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN DAVIS AND CENTRAL
SALT LAKE COUNTIES UNTIL 400 PM MDT...
AT 315 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM WEST VALLEY CITY TO
HERRIMAN...AND MOVING NORTHEAST AT 35 MPH.
PENNY SIZE HAIL AND WIND GUSTS TO 50 MPH ARE EXPECTED WITH THESE
STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.
* LOCATIONS IMPACTED INCLUDE...
NORTH SALT LAKE... MIDVALE... SANDY AND TAYLORSVILLE...
WOODS CROSS... COTTONWOOD HEIGHTS... MURRAY AND SOUTH SALT
LAKE...
BOUNTIFUL... HOLLADAY... SALT LAKE CITY AND SUGARHOUSE...
UNIVERSITY OF UTAH...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
LAT...LON 4092 11185 4061 11180 4051 11183 4047 11209
4075 11212
TIME...MOT...LOC 2116Z 222DEG 29KT 4073 11203 4056 11203
SEAMANThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 6:27 PM MDT | Special Weather Statement | SLC | Kane | 48 min |
| Jul 19, 2:27 AM MDT | Red Flag Warning | SLC | 20 hr | |
| Jul 19, 2:45 AM MDT | Wind Advisory | SLC | 18 hr | |
| Jul 19, 12:33 PM MDT | Flash Flood Warning | SLC | Wayne | 3 hr |
| Jul 19, 1:46 PM MDT | Flash Flood Warning | SLC | Carbon | 3 hr |
| Jul 19, 3:31 PM MDT | Areal Flood Advisory | SLC | Salt Lake | 59 min |
| Jul 19, 4:53 PM MDT | Special Weather Statement | SLC | Uinta | 37 min |
Nearby
Special Weather Statements in Utah, 2011Every special weather statement in 2011
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.