Alert archive / Utah / Flash Flood Warnings in 2011
Flash Flood Warning 10, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Jul 19, 2011, 1:46 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
- Jul 19, 2011, 1:46 PM MDT (19:46 UTC)
- Expired
- Jul 19, 2011, 4:45 PM MDT
- In force
- 3 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
County Carbon County, UT
The radar
The Salt Lake City radar (KMTX), 218 km from the middle of the area, began a volume at 19:49 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, 7.8 hours before the alert went out and 148 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
- 10 J/kg
- Mixed-layer CIN
- -221 J/kg
- Mixed-layer LCL
- 2686 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
982 WGUS55 KSLC 191946 FFWSLC UTC007-192245- /O.NEW.KSLC.FF.W.0010.110719T1946Z-110719T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 146 PM MDT TUE JUL 19 2011 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * FLASH FLOOD WARNING FOR... WEST CENTRAL CARBON COUNTY IN UTAH... * UNTIL 445 PM MDT * AT 141 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAINFALL ACROSS GORDON CREEK AND OTHER TRIBUTARIES IN THE WASATCH PLATEAU WEST OF PRICE. RAINFALL TOTALS OF 3 TO 4 INCHES HAVE ALREADY FALLEN...WITH ADDITIONAL THUNDERSTORMS EXPECTED TO CONTINUE MOVING THROUGH THE AREA THROUGH MID AFTERNOON. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GORDON CREEK AND GARLEY CANYON WEST OF THE CITY OF PRICE. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && LAT...LON 3976 11089 3961 11083 3954 11105 3963 11112 $$ SEAMAN
2 follow-up statements
960 WGUS75 KSLC 192035 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 235 PM MDT TUE JUL 19 2011 UTC007-192245- /O.CON.KSLC.FF.W.0010.000000T0000Z-110719T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CARBON UT- 235 PM MDT TUE JUL 19 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM MDT FOR WEST CENTRAL CARBON COUNTY... AT 220 PM MDT...A STORM SPOTTER REPORTED WATER FLOWING ACROSS ROADS AND INTO YARDS 5 MILES WEST OF PRICE ALONG GORDON CREEK. NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES 3 TO 4 INCHES OF RAIN FELL ACROSS THIS AREA SINCE NOON. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GORDON CREEK AND GARLEY CANYON WEST OF THE CITY OF PRICE. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 3976 11089 3961 11083 3954 11105 3963 11112 $$ SEAMAN
558 WGUS75 KSLC 192240 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 440 PM MDT TUE JUL 19 2011 UTC007-192250- /O.EXP.KSLC.FF.W.0010.000000T0000Z-110719T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CARBON UT- 440 PM MDT TUE JUL 19 2011 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 445 PM MDT FOR WEST CENTRAL CARBON COUNTY... RUNOFF FROM EARLIER PRECIPITATION HAS DIMINISHED GREATLY AND RIVER AND STREAM LEVELS HAVE LIKELY DECREASED. THEREFORE...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. MONITOR NOAA WEATHER RADIO OR LOCAL TELEVISION OR RADIO FOR THE LATEST WEATHER INFORMATION. LAT...LON 3976 11089 3961 11083 3954 11105 3963 11112 $$ SEAMAN
The 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, 3:17 PM MDT | Special Weather Statement | SLC | Salt Lake | 43 min |
| Jul 19, 3:31 PM MDT | Areal Flood Advisory | SLC | Salt Lake | 59 min |
Nearby
Flash Flood Warnings in Utah, 2011Every flash flood warning 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.