Alert archive / Utah / Flash Flood Warnings in 2017
Flash Flood Warning 8, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Jul 19, 2017, 2:17 AM MDT for Kane County, Utah. It was in force for 4 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, 2017, 2:17 AM MDT (08:17 UTC)
- Expired
- Jul 19, 2017, 6:15 AM MDT
- In force
- 4 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), 63 km from the middle of the area, began a volume at 08:20 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, 8.3 hours before the alert went out and 223 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
- 610 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1015 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted.
463
WGUS55 KSLC 190817
FFWSLC
UTC025-191215-
/O.NEW.KSLC.FF.W.0008.170719T0817Z-170719T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Salt Lake City UT
217 AM MDT WED JUL 19 2017
The National Weather Service in Salt Lake City has issued a
* Flash Flood Warning for...
Southwestern Kane County in southern Utah...
* Until 615 AM MDT
* At 215 AM MDT, Doppler radar indicated a thunderstorm producing
heavy rain over southern Kane County. Up to two inches of rain
have already fallen. Flash flooding is expected to begin shortly
in Buckskin Gulch, Johnson Wash, and Kanab Creek. Urban flooding
is also expected in the city of Kanab.
* Some locations that will experience flooding include...
Kanab.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3731 11259 3731 11203 3700 11199 3700 11258
$$
Schoening2 follow-up statements
725 WGUS75 KSLC 191040 FFSSLC Flash Flood Statement National Weather Service Salt Lake City UT 440 AM MDT WED JUL 19 2017 UTC025-191215- /O.CON.KSLC.FF.W.0008.000000T0000Z-170719T1215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Kane UT- 440 AM MDT WED JUL 19 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM MDT FOR SOUTHWESTERN KANE COUNTY... At 438 AM MDT, Doppler radar indicated light to moderate rainfall continuing over southern Kane County. Up to two inches of rain have already fallen earlier this morning, and flash flooding is still expected in Buckskin Gulch, Johnson Wash, and Kanab Creek. Please use caution near these drainages through the morning. Some locations that will experience flooding include... Kanab. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3731 11259 3731 11203 3700 11199 3700 11258 $$ Schoening
821 WGUS75 KSLC 191211 FFSSLC Flash Flood Statement National Weather Service Salt Lake City UT 611 AM MDT WED JUL 19 2017 UTC025-191218- /O.EXP.KSLC.FF.W.0008.000000T0000Z-170719T1215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Kane UT- 611 AM MDT WED JUL 19 2017 ...THE FLASH FLOOD WARNING FOR SOUTHWESTERN KANE COUNTY WILL EXPIRE AT 615 AM MDT... Heavy rain has diminished across the area. However, flows along streams and dry washes across southwestern Kane County will remain high through the early morning hours as runoff from the earlier heavy rain gradually recedes. LAT...LON 3731 11259 3731 11203 3700 11199 3700 11258 $$ LC
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 6:13 PM MDT | Severe Thunderstorm Warning | SLC | Iron | 32 min |
| Jul 19, 1:29 PM MDT | Flash Flood Warning | SLC | Sevier | 3 hr |
| Jul 19, 1:36 PM MDT | Special Weather Statement | SLC | Piute | 24 min |
| Jul 19, 2:43 PM MDT | Severe Thunderstorm Warning | SLC | Utah, Wasatch | 32 min |
| Jul 19, 3:21 PM MDT | Special Weather Statement | SLC | Utah | 39 min |
| Jul 19, 3:35 PM MDT | Areal Flood Advisory | SLC | Utah | 55 min |
| Jul 19, 4:00 PM MDT | Flash Flood Warning | SLC | Emery, Sevier, Wayne | 3 hr |
| Jul 19, 5:42 PM MDT | Flash Flood Warning | SLC | Wayne | 3 hr |
Nearby
Flash Flood Warnings in Utah, 2017Every flash flood warning in 2017
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.