Alert archive / Utah / Flash Flood Warnings in 2006
Flash Flood Warning 13, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Jul 21, 2006, 4:44 PM MDT for Kane County, Utah. It was in force for 4 hr. 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 21, 2006, 4:44 PM MDT (22:44 UTC)
- Expired
- Jul 21, 2006, 8:45 PM MDT
- In force
- 4 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
County Kane County, UT
The radar
The Cedar City radar (KICX), 69 km from the middle of the area, began a volume at 22:46 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 10.7 hours before the alert went out and 219 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
- 866 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1834 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KSLC 212251 FFWSLC UTC025-220245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 444 PM MDT FRI JUL 21 2006 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL KANE COUNTY IN UTAH... * UNTIL 845 PM MDT. * AT 441 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAINFALL ACROSS CENTRAL KANE COUNTY. RADAR ESTIMATES RAINFALL IN EXCESS OF 3 INCHES HAS ALREADY FALLEN ACROSS THE UPPER PORTIONS OF JOHNSON CANYON...AS WELL AS ADJACENT AREAS WHICH DRAIN INTO THIS CANYON. ADDITIONAL THUNDERSTORMS DEVELOPING ACROSS CENTRAL KANE COUNTY ARE EXPECTED IMPACT THE WARNED AREA THROUGH 530 PM...BRINGING ADDITIONAL HEAVY RAINFALL. * RUNOFF FROM THIS RAINFALL IS EXPECTED TO SPREAD SOUTH THROUGH JOHNSON CANYON...IMPACTING JOHNSON CANYON ROAD THROUGH 8 PM...AND REACHING HIGHWAY 89 BETWEEN 800 AND 845 PM. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 3701 11244 3700 11203 3737 11216 3737 11248 $$ SEAMAN
3 follow-up statements
000 WGUS75 KSLC 212355 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 555 PM MDT FRI JUL 21 2006 UTC025-220245- KANE UT- 555 PM MDT FRI JUL 21 2006 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MDT FOR CENTRAL KANE COUNTY... AT 545 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED 3 TO 4 INCHES OF RAIN HAS FALLEN ACROSS THE UPPER PORTIONS OF JOHNSON CANYON IN CENTRAL KANE COUNTY. ALTHOUGH THUNDERSTORMS HAVE DIMINISHED ACROSS THE WARNED AREA...RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CONTINUE TO MOVE SOUTH THROUGH JOHNSON CANYON...RESULTING IN FLASH FLOODING THROUGH 845 PM. FLOOD WATERS ARE MOVING SOUTH DOWN JOHNSON CANYON AT THIS TIME. THE FLOOD CREST WILL IMPACT JOHNSON CANYON ROAD...ALONG THE WESTERN BORDER OF GRAND STAIRCASE ESCALANTE NATIONAL MONUMENT. THIS FLOOD CREST IS EXPECTED TO REACH HIGHWAY 89 ACROSS SOUTHERN KANE COUNTY AROUND 8 PM. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 3701 11244 3700 11203 3737 11216 3737 11248 $$ SEAMAN
000 WGUS75 KSLC 220147 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 745 PM MDT FRI JUL 21 2006 UTC025-220245- KANE UT- 745 PM MDT FRI JUL 21 2006 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MDT FOR CENTRAL KANE COUNTY... EXCESSIVE RUNOFF FROM EARLIER HEAVY RAINFALL ACROSS THE UPPER PORTIONS OF JOHNSON CANYON...WILL CONTINUE TO IMPACT JOHNSON CANYON ROAD THROUGH 845 PM. RUNOFF FROM THIS HEAVY RAINFALL IS ALSO EXPECTED TO IMPACT HIGHWAY 89 NEAR CRESCENT BUTTE EAST OF KANAB THROUGH 845 PM. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3701 11244 3700 11203 3737 11216 3737 11248 $$ SEAMAN
000 WGUS75 KSLC 220245 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 845 PM MDT FRI JUL 21 2006 UTC025-220255- KANE UT- 845 PM MDT FRI JUL 21 2006 ...A FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE FOR CENTRAL KANE COUNTY... RUNOFF FROM HEAVY RAINFALL WHICH DEVELOPED EARLIER THIS EVENING ACROSS NORTHERN JOHNSON CANYON IN CENTRAL KANE COUNTY HAS LIKELY DIMINISHED. THUS THE FLASH FLOOD WARNING WHICH WAS IN EFFECT WILL BE ALLOWED TO EXPIRE. LAT...LON 3701 11244 3700 11203 3737 11216 3737 11248 $$ SEAMAN
Nearby
Flash Flood Warnings in Utah, 2006Every flash flood 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.