Alert archive / Utah / Flash Flood Warnings in 2006
Flash Flood Warning 2, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Jun 30, 2006, 8:25 PM MDT for Utah County, Utah. It was in force for 4 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 30, 2006, 8:25 PM MDT (02:25 UTC)
- Expired
- Jul 1, 2006, 12:30 AM MDT
- In force
- 4 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
County Utah County, UT
The radar
The Salt Lake City radar (KMTX), 162 km from the middle of the area, began a volume at 02:27 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 30, 9:30 PM MDT | FLASH FLOOD | 12 Ese Spanish Fork, UT | NUMEROUS MUD SLIDES IN AND AROUND DIAMOND FORK CANYON. LAW ENFORCEMENT IN THE PROCESS OF EVACUATING CAMPGROUNDS IN THE THREE FORKS AREAS OF THE CANYON. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 00:00Z, 2.4 hours before the alert went out and 92 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
- 611 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 2694 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 19 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 010228
FFWSLC
UTC049-010630-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
825 PM MDT FRI JUN 30 2006
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL UTAH COUNTY IN UTAH...
* UNTIL 1230 AM MDT.
* AT 822 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.
* THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER
MAINLY RURAL AREAS OF THE INDICATED COUNTY.
FLOOD WATERS WILL MOVE THROUGH THE DIAMOND FORK CREEK...AND THE
TRIBUTARIES ABOVE THE THREE FORKS CAMPING AREA. CAMPERS NEAR ANY OF
THE CREEKS IN THE WARNING AREA NEED TO MOVE TO HIGHER GROUND
IMMEDIATELY.
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.
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 4001 11153 3999 11136 3999 11119 4007 11126
4022 11127 4008 11152
$$2 follow-up statements
000
WGUS75 KSLC 010434
FFSSLC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1032 PM MDT FRI JUN 30 2006
UTC049-010630-
UTAH UT-
1032 PM MDT FRI JUN 30 2006
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM MDT FOR EAST
CENTRAL UTAH COUNTY...
LOCAL LAW ENFORCEMENT OFFICIALS HAVE REPORTED MUD SLIDES AND FLOODING
IN AND AROUND DIAMOND FORK CANYON. SOME CAMPGROUNDS ALONG DIAMOND
FORK CREEK AND ITS TRIBUTARIES WERE BEING EVACUATED THIS EVENING.
THE THUNDERSTORMS THAT PRODUCED THE EXCESSIVE RAINFALL HAVE MOVED
OUT OF THE WARNING AREA. SHOWERS AND THUNDERSTORMS COULD DEVELOP
OVER AND NEAR THE WARNING AREA DURING THE NEXT COUPLE OF
HOURS...THOUGH WIDESPREAD HEAVY RAINS ARE NOT ANTICIPATED.
CREEKS IN AND AROUND DIAMOND FORK CANYON WILL CONTINUE TO RUN HEAVY
THROUGH AT LEAST 1230 AM MDT. FLOWS MAY STILL INCREASE AS RUNOFF
FROM THE FAR REACHES OF THE DRAINAGE WORK THROUGH THE AREA.
ADDITIONAL MUDSLIDES AND FLASH FLOODING ARE STILL POSSIBLE ACROSS
THE WARNING AREA.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
CAMPERS AND RESIDENTS LIVING ALONG AREA CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 4001 11153 3999 11136 3999 11119 4007 11126
4022 11127 4008 11152
$$000
WGUS75 KSLC 010634
FFSSLC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1230 AM MDT SAT JUL 1 2006
UTC049-010700-
UTAH UT-
1230 AM MDT SAT JUL 1 2006
...A FLASH FLOOD WARNING HAS EXPIRED FOR EAST CENTRAL UTAH COUNTY...
THE FLASH FLOOD WARNING FOR THE DIAMOND FORK AREA IN EAST CENTRAL
UTAH COUNTY HAS EXPIRED. LOCAL LAW ENFORCEMENT HAVE REPORTED THAT
THE FLOOD FLOWS HAVE RECEDED AND LITTLE IF ANY ADDITIONAL RAINFALL
IS EXPECTED FOR THIS AREA.
LAT...LON 4001 11153 3999 11136 3999 11119 4007 11126
4022 11127 4008 11152
$$The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 4:56 PM MDT | Flash Flood Warning | SLC | Washington | 3 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.