Alert archive / Utah / Flash Flood Warnings in 2008
Flash Flood Warning 9, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Jul 22, 2008, 12:15 PM MDT for Garfield County, Wayne County, Utah. It was in force for 3 hr. 2 reports 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
- Jul 22, 2008, 12:15 PM MDT (18:15 UTC)
- Expired
- Jul 22, 2008, 3:15 PM MDT
- In force
- 3 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
Counties Garfield County, UT, Wayne County, UT
The radar
The Cedar City radar (KICX), 155 km from the middle of the area, began a volume at 18:16 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 |
|---|---|---|---|
| Jul 22, 12:45 PM MDT | FLASH FLOOD | 3 E Torrey, UT | SCENIC DRIVE IN CAPITOL REEF NP WAS CLOSED DUE TO FLASH FLOOD. |
| Jul 22, 1:25 PM MDT | FLASH FLOOD | 3 E Torrey, UT | SCENIC DRIVE IN CAPITOL REEF NP WAS CLOSED DUE TO FLASH FLOOD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Grand Junction, CO (KGJT), launched 12:00Z, 6.3 hours before the alert went out and 262 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
- 2 J/kg
- Mixed-layer CIN
- -309 J/kg
- Mixed-layer LCL
- 1943 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 91 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 221816 FFWSLC UTC017-055-222115- /O.NEW.KSLC.FF.W.0009.080722T1815Z-080722T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1215 PM MDT TUE JUL 22 2008 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTH CENTRAL GARFIELD COUNTY IN UTAH... CENTRAL WAYNE COUNTY IN UTAH... * UNTIL 315 PM MDT * AT 1207 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER TRIBUTARIES AND STREAMS IN CAPITOL REEF NATIONAL PARK. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TORREY... TEASDALE AND CAPITOL REEF NP 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 3841 11151 3832 11106 3809 11101 3805 11143 $$ MCINERNEY/HOSENFELD
2 follow-up statements
000 WGUS75 KSLC 221931 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 129 PM MDT TUE JUL 22 2008 UTC017-055-222115- /O.CON.KSLC.FF.W.0009.000000T0000Z-080722T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GARFIELD UT-WAYNE UT- 129 PM MDT TUE JUL 22 2008 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM MDT FOR CENTRAL WAYNE AND NORTH CENTRAL GARFIELD COUNTIES... AT 122 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE FLASH FLOODING ALONG THE SCENIC DRIVE IN CAPITOL REEF NATIONAL PARK. THE PARK SERVICE CLOSED THE SCENIC DRIVE DUE TO FLOODING. ADDITIONAL THUNDERSTORM ACTIVITY IS POSSIBLE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TORREY... TEASDALE AND CAPITOL REEF NP DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT TUESDAY EVENING FOR CENTRAL UTAH AND SOUTHWEST WYOMING. LAT...LON 3841 11151 3832 11106 3809 11101 3805 11143 $$ NEUMAN/HOSENFELD
000 WGUS75 KSLC 222103 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 300 PM MDT TUE JUL 22 2008 UTC017-055-222115- /O.CON.KSLC.FF.W.0009.000000T0000Z-080722T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GARFIELD UT-WAYNE UT- 300 PM MDT TUE JUL 22 2008 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM MDT FOR CENTRAL WAYNE AND NORTH CENTRAL GARFIELD COUNTIES... AT 254 PM MDT...THUNDERSTORM ACTIVITY OVER CAPITOL REEF NATIONAL PARK HAS DIMINISHED. AS A RESULT...FLOOD WATERS THAT AFFECTED THE SCENIC ROADWAY OF THE PARK HAVE ALSO SUBSIDED. THE FLASH FLOOD WARNING FOR THIS AREA HAS BEEN ALLOWED TO EXPIRE. ADDITIONALLY...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT TUESDAY EVENING FOR CENTRAL UTAH AND SOUTHWEST WYOMING. LAT...LON 3841 11151 3832 11106 3809 11101 3805 11143 $$ MCINERNEY/HOSENFELD
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 1:27 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake | 33 min |
| Jul 22, 1:54 PM MDT | Areal Flood Advisory | SLC | Salt Lake | 3 hr |
| Jul 22, 1:59 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne, Wasatch | 27 min |
Nearby
Flash Flood Warnings in Utah, 2008Every flash flood warning in 2008
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.