Alert archive / Utah / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 106, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Oct 6, 2006, 12:48 PM MDT for Iron County, Washington County, Utah. 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 counties it named.
The facts
- Issued
- Oct 6, 2006, 12:48 PM MDT (18:48 UTC)
- Expired
- Oct 6, 2006, 1:30 PM MDT
- In force
- 42 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
Counties Iron County, UT, Washington County, UT
The radar
The Cedar City radar (KICX), 47 km from the middle of the area, began a volume at 18:50 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 6, 12:10 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 12:00Z, 6.8 hours before the alert went out and 254 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2181 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Oct 6, 12:30 PM MDT, 18 minutes earlier.
Area forecast discussion, Oct 6, 12:30 PM MDT, 18 minutes before
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</html>Hazardous weather outlook, Oct 6, 7:00 AM MDT, 5 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 700 AM MDT FRI OCT 6 2006 UTZ010>021-071300- CASTLE COUNTRY-CENTRAL AND SOUTHWEST MOUNTAINS-GLEN CANYON RECREATION AREA/LAKE POWELL-HENRY MOUNTAINS-SAN RAFAEL SWELL-SANPETE/SEVIER VALLEYS-SOUTH CENTRAL UTAH-SOUTHWEST UTAH-UTAHS DIXIE AND ZION NATIONAL PARK-WASATCH PLATEAU/BOOK CLIFFS-WEST CENTRAL UTAH-WESTERN UINTA BASIN- 700 AM MDT FRI OCT 6 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE SOUTHERN TWO-THIRDS OF UTAH. .DAY ONE...TODAY AND TONIGHT A VERY MOIST AND UNSTABLE AIRMASS OVER UTAH WILL FUEL NUMEROUS SHOWERS AND THUNDERSTORMS TODAY...AND ON INTO THIS EVENING. A LOW PRESSURE SYSTEM MOVING NORTHEAST INTO SOUTHERN UTAH LATER THIS AFTERNOON WILL PRODUCE STRONG THUNDERSTORMS...WITH HEAVY RAIN AND HAIL...DURING THE LATE AFTERNOON AND EVENING HOURS. THE EXPECTED HEAVY RAINFALL COULD CREATE FLASH FLOODING...ESPECIALLY IN SLOT CANYONS OR IN AREAS THAT HAVE ALREADY RECEIVED HEAVY RAIN SINCE YESTERDAY. A FLASH FLOOD WATCH IS IN EFFECT FOR MUCH OF SOUTHERN AND EASTERN UTAH THROUGH 900 PM MDT THIS EVENING. CHECK THE LATEST SLCFFASLC FOR DETAILS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SATURDAY WILL SEE DRIER CONDITIONS SPREAD ACROSS SOUTHERN UTAH. THE THREAT OF SHOWERS AND THUNDERSTORMS WILL RETURN SUNDAY...AND CONTINUE INTO THE MIDDLE OF NEXT WEEK. HIGH PRESSURE ALOFT WILL BRING AN END TO SHOWERS AND STORMS BY THE END OF THE WEEK. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. UTZ001>009-WYZ021-071300- CACHE VALLEY/UTAH PORTION-GREAT SALT LAKE DESERT AND MOUNTAINS- NORTHERN WASATCH FRONT-SALT LAKE AND TOOELE VALLEYS- SOUTHERN WASATCH FRONT-SOUTHWEST WYOMING-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80- WESTERN UINTA MOUNTAINS- 700 AM MDT FRI OCT 6 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN UTAH AND EXTREME SOUTHWEST WYOMING. .DAY ONE...TODAY AND TONIGHT WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY IS EXPECTED ACROSS THE AREA TODAY. HEAVY RAINS AND HAIL FROM STRONG THUNDERSTORMS ARE EXPECTED LATER THIS EVENING AS A LOW PRESSURE SYSTEM LIFTS NORTHEAST ACROSS NORTHERN UTAH. MINOR FLOODING COULD DEVELOP FROM THE STRONG STORMS...ESPECIALLY IN THE URBAN AREAS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SHOWERS AND THUNDERSTORMS WILL LINGERING INTO SATURDAY...THEN END MOST AREAS SATURDAY NIGHT OR EARLY SUNDAY. SHOWERS AND STORMS COULD RETURN FOR THE FIRST HALF OF NEXT WEEK AS A NEW LOW PRESSURE SYSTEM SETTLES INTO THE GREAT BASIN. HIGH PRESSURE ALOFT WILL RETURN LATE IN THE WEEK...BRINGING AN END TO THE PRECIPITATION FOR NORTHERN UTAH AND SOUTHWEST WYOMING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Local storm report, Oct 6, 9:28 AM MDT, 3 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
928 AM MDT FRI OCT 06 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0825 AM FLASH FLOOD 10 E KANAB 37.02N 112.34W
10/06/2006 KANE UT LAW ENFORCEMENT
JOHNSON CANYON WASH FLOODING...BUT NOT YET ACROSS
ROADWAY.
0825 AM FLASH FLOOD HANKSVILLE 38.37N 110.72W
10/06/2006 WAYNE UT LAW ENFORCEMENT
WATER...DEBRIS AND ROCKS ACROSS HIGHWAY 24 BETWEEN
KAINEVILLE AND HANKSVILLE...AND ACROSS HIGHWAY 95 SOUTH
OF HANKSVILLE. ALSO...FLOW ALONG THE DIRTY DEVIL RIVER
INCREASED FROM JUST OVER 100 CFS AROUND MIDNIGHT TO ABOVE
10000 CFS THIS MORNING.
&&
MPSThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 7:42 PM MDT | Severe Thunderstorm Warning | SLC | Kane, San Juan | 33 min |
| Oct 5, 8:09 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane, San Juan | 12 min |
| Oct 6, 8:25 AM MDT | Flash Flood Warning | SLC | Garfield, Kane, Wayne | 6 hr |
| Oct 6, 10:05 AM MDT | Flash Flood Warning | SLC | Carbon, Emery, Piute, Sanpete, Sevier | 4 hr |
| Oct 6, 4:15 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 30 min |
| Oct 6, 4:34 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 41 min |
| Oct 6, 5:17 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 43 min |
| Oct 6, 5:50 PM MDT | Severe Thunderstorm Warning | SLC | Iron | 25 min |
Nearby
Severe Thunderstorm Warnings in Utah, 2006Every severe thunderstorm warning in 2006
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.