Alert archive / Utah / Flash Flood Warnings in 2006

Flash Flood Warning 39, NWS Salt Lake City, UT

August 25, 2006Carbon County, Utah

NWS Salt Lake City, UT issued this flash flood warning at Aug 25, 2006, 2:44 PM MDT for Carbon County, Utah. It was in force for 3 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
Aug 25, 2006, 2:44 PM MDT (20:44 UTC)
Expired
Aug 25, 2006, 5:45 PM MDT
In force
3 hr
Issued by
NWS Salt Lake City, UT
Area
Counties, with a storm outline in the text

County Carbon County, UT

The radar

The Salt Lake City radar (KMTX), 222 km from the middle of the area, began a volume at 20:44 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

Salt Lake City I, UT (KSLC), launched 12:00Z, 8.7 hours before the alert went out and 152 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.

Skew-T log-pSkew-T log-p diagram, Salt Lake City I, UT at 12:00Z on 2006-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 63 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 12:00Z on 2006-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
63 J/kg
Mixed-layer CIN
-333 J/kg
Mixed-layer LCL
2482 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KSLC 252045
FFWSLC
UTC007-252345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
244 PM MDT FRI AUG 25 2006

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL CARBON COUNTY IN UTAH...

* UNTIL 545 PM MDT.

* AT 236 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
HEAVY RAINFALL CAPABLE OF PRODUCING FLASH FLOODING FROM A 
THUNDERSTORM OVER THE WARNED AREA.  RAINFALL RATES WITH THIS STORM 
HAVE BEEN IN EXCESS OF TWO INCHES AN HOUR.  

* THE HEAVIEST RAINFALL HAS OCCURRED IN THE HIGHER TERRAIN WEST OF 
PRICE.  LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO THE 
NORTH AND SOUTH FORKS OF GORDON CREEK AND GARLEY CANYON. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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 3955 11111 3954 11100 3956 11091 3969 11084
      3968 11104

$$

RG
2 follow-up statements
000 
WGUS75 KSLC 252223
FFSSLC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
420 PM MDT FRI AUG 25 2006

UTC007-252345-
CARBON UT-
420 PM MDT FRI AUG 25 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR WEST
CENTRAL CARBON COUNTY...

AT 412 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HELPER

THUNDERSTORMS CONTINUE TO DEVELOP ACROSS CENTRAL CARBON COUNTY...AND 
MORE RAINFALL IN THE WARNED AREA IS POSSIBLE.

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SALT
LAKE CITY.

LAT...LON 3955 11111 3954 11100 3956 11091 3969 11084
      3968 11104

$$

BAS
000 
WGUS75 KSLC 252347
FFSSLC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
546 PM MDT FRI AUG 25 2006

UTC007-252356-
CARBON UT-
546 PM MDT FRI AUG 25 2006

...THE FLASH FLOOD WARNING HAS EXPIRED FOR WEST CENTRAL CARBON
COUNTY...

FLASH FLOODING HAS NOT BEEN REPORTED...HOWEVER...HEAVY RAIN FELL IN 
THE NORTH AND SOUTH FORKS OF GORDON CREEK AND GARLEY CANYON AS SEVER 
THUNDERSTORMS MOVED THROUGH THE AREA. USE CAUTION TRAVELING 
THROUGHOUT THE AREA THIS EVENING.

LAT...LON 3955 11111 3954 11100 3956 11091 3969 11084
      3968 11104

$$

GIBSON

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 25, 4:25 AM MDTRed Flag WarningSLC18 hr
Aug 25, 2:06 PM MDTSevere Thunderstorm WarningSLCDavis, Morgan39 min
Aug 25, 2:31 PM MDTSevere Thunderstorm WarningSLCCarbon44 min
Aug 25, 3:01 PM MDTSevere Thunderstorm WarningSLCEmery, Sevier44 min
Aug 25, 3:17 PM MDTSevere Thunderstorm WarningSLCCarbon28 min
Aug 25, 3:48 PM MDTSevere Thunderstorm WarningSLCEmery57 min
Aug 25, 3:58 PM MDTSevere Thunderstorm WarningSLCDuchesne32 min
Aug 25, 4:28 PM MDTSevere Thunderstorm WarningSLCCarbon28 min
Aug 25, 4:35 PM MDTSevere Thunderstorm WarningSLCJuab, Tooele40 min
Aug 25, 4:46 PM MDTSevere Thunderstorm WarningSLCEmery59 min
Aug 25, 5:15 PM MDTSevere Thunderstorm WarningSLCJuab, Tooele, Utah45 min
Aug 25, 5:46 PM MDTSevere Thunderstorm WarningSLCEmery33 min
Aug 25, 5:56 PM MDTSevere Thunderstorm WarningSLCJuab, Utah, Wasatch49 min

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.