Alert archive / Utah / Flash Flood Warnings in 2012
Flash Flood Warning 17, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Jul 16, 2012, 6:11 PM MDT for Kane County, Utah. It was in force for 8 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 16, 2012, 6:11 PM MDT (00:11 UTC)
- Expired
- Jul 17, 2012, 2:15 AM MDT
- In force
- 8 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
County Kane County, UT
The radar
The Cedar City radar (KICX), 88 km from the middle of the area, began a volume at 00:11 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 00:00Z, 0.2 hours before the alert went out and 233 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
- 2251 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
127 WGUS55 KSLC 170011 FFWSLC UTC025-170615- /O.NEW.KSLC.FF.W.0017.120717T0011Z-120717T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 611 PM MDT MON JUL 16 2012 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL KANE COUNTY IN UTAH * UNTIL 1215 AM MDT * AT 607 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN FROM A CLUSTER OF THUNDERSTORMS ACROSS CENTRAL AND EASTERN KANE COUNTY...IN THE HEADWATERS OF THE PARIA RIVER. * FLASH FLOODING IS EXPECTED ACROSS THESE HEADWATERS AND DOWNSTREAM ALONG THE PARIA RIVER THIS EVENING. 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 3754 11196 3754 11172 3701 11185 3700 11212 $$ MPS
3 follow-up statements
861 WGUS75 KSLC 170251 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 851 PM MDT MON JUL 16 2012 UTC025-170615- /O.CON.KSLC.FF.W.0017.000000T0000Z-120717T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KANE UT- 851 PM MDT MON JUL 16 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM MDT FOR CENTRAL KANE COUNTY... AT 847 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED 0.50 TO 1 INCH OF RAIN FELL ACROSS MUCH OF THE PARIA RIVER DRAINAGE. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL LIKELY CONTINUE TO PRODUCE FLASH FLOODING ALONG THE PARIA RIVER AND ITS TRIBUTARIES THROUGH THE REMAINDER OF THE EVENING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 3754 11196 3754 11172 3701 11185 3700 11212 $$ MPS
151 WGUS55 KSLC 170614 FFWSLC UTC025-170815- /O.EXT.KSLC.FF.W.0017.000000T0000Z-120717T0815Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1214 AM MDT TUE JUL 17 2012 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS EXTENDED THE * FLASH FLOOD WARNING FOR... CENTRAL KANE COUNTY IN UTAH * UNTIL 215 AM MDT * AT 1207 AM MDT...FLOOD FLOWS CONTINUED ON THE PARIA RIVER WHERE IT CROSSES HIGHWAY 89. THIS FLOODING WAS FROM EARLIER RAIN UPSTREAM IN THE DRAINAGE. THE FLOWS WILL REMAIN HIGH ON THIS STRETCH OF THE RIVER AND DOWNSTREAM THROUGH PARIA CANYON FOR ANOTHER COUPLE OF HOURS BEFORE DIMINISHING. 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 3754 11196 3754 11172 3701 11185 3700 11212 $$ PW
852 WGUS75 KSLC 170817 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 217 AM MDT TUE JUL 17 2012 UTC025-170820- /O.EXP.KSLC.FF.W.0017.000000T0000Z-120717T0815Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KANE UT- 217 AM MDT TUE JUL 17 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 215 AM MDT FOR CENTRAL KANE COUNTY... FLOOD FLOWS HAVE DIMINISHED ALONG THE PARIA RIVER IN CENTRAL KANE COUNTY. ELEVATED WATER LEVELS WILL CONTINUE FOR THE NEXT FEW HOURS BUT WILL CONTINUE TO RECEDE DURING THAT TIME. CONTINUE TO MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY TO BE DEEP TO ALLOW SAFE PASSAGE. LAT...LON 3754 11196 3754 11172 3701 11185 3700 11212 $$ GM
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 6:03 PM MDT | Special Weather Statement | SLC | Kane | 27 min |
| Jul 16, 6:13 PM MDT | Areal Flood Advisory | SLC | Box Elder, Cache, Davis, Salt Lake, Weber | 3 hr |
| Jul 16, 7:15 PM MDT | Flash Flood Warning | SLC | Kane | 5 hr |
Nearby
Flash Flood Warnings in Utah, 2012Every flash flood warning in 2012
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.