Alert archive / Utah / Red Flag Warnings in 2016
Red Flag Warning 13, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this red flag warning at Aug 10, 2016, 3:15 AM MDT for 14 counties in Utah. It took effect at Aug 10, 2016, 12:00 PM MDT. It was in force for 15 hr. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 10, 2016, 3:15 AM MDT (09:15 UTC)
- In effect from
- Aug 10, 2016, 12:00 PM MDT
- Expired
- Aug 11, 2016, 3:00 AM MDT
- In force
- 15 hr
- Issued by
- NWS Salt Lake City, UT
Counties Box Elder County, UT, Cache County, UT, Davis County, UT, Juab County, UT, Millard County, UT, Morgan County, UT, Rich County, UT, Salt Lake County, UT, Sanpete County, UT, Summit County, UT, Tooele County, UT, Utah County, UT, Wasatch County, UT, Weber County, UT
The radar
The Salt Lake City radar (KMTX), 80 km from the middle of the area, began a volume at 09:15 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 |
|---|---|---|---|
| Aug 10, 12:15 PM MDT | HAIL 1 | Salem, UT | TIME ESTIMATED |
| Aug 10, 3:20 PM MDT | HAIL 0.75 | South Salt Lake, UT | |
| Aug 10, 11:00 PM MDT | TSTM WND GST 71 | 11 W Hooper, UT | FREMONT ISLAND MILLER HILL SENSOR FREUT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 00:00Z, 9.3 hours before the alert went out and 19 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
- 20 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 4510 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
321 WWUS85 KSLC 100915 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 315 AM MDT WED AUG 10 2016 UTZ478-479-492-102300- /O.UPG.KSLC.FW.A.0008.160810T2100Z-160811T0900Z/ /O.NEW.KSLC.FW.W.0013.160810T1800Z-160811T0900Z/ SALT LAKE DESERT-WASATCH MOUNTAINS-CENTRAL UTAH WEST DESERT- 315 AM MDT WED AUG 10 2016 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 3 AM MDT THURSDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 478...479 AND 492... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... WHICH IS IN EFFECT FROM NOON TODAY TO 3 AM MDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS AND FIRE WEATHER ZONE 492 CENTRAL UTAH WEST DESERT. * THUNDERSTORMS...WIDELY SCATTERED DRY THUNDERSTORMS ARE EXPECTED THIS AFTERNOON THROUGH LATE TONIGHT. * OUTFLOW WINDS...GUSTS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THE STRONGEST STORMS. * IMPACTS...DRY LIGHTNING AND GUSTY OUTFLOW WINDS IN ADDITION TO VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR NEW FIRE STARTS THIS AFTERNOON THROUGH LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
2 follow-up statements
183 WWUS85 KSLC 102339 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 539 PM MDT WED AUG 10 2016 UTZ478-479-492-110900- /O.CON.KSLC.FW.W.0013.000000T0000Z-160811T0900Z/ SALT LAKE DESERT-WASATCH MOUNTAINS-CENTRAL UTAH WEST DESERT- 539 PM MDT WED AUG 10 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 AM MDT THURSDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 478...479 AND 492... * AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS AND FIRE WEATHER ZONE 492 CENTRAL UTAH WEST DESERT. * THUNDERSTORMS...WIDELY SCATTERED DRY THUNDERSTORMS ARE DEVELOPING LATE THIS AFTERNOON AND WILL CONTINUE THROUGH LATE TONIGHT. * OUTFLOW WINDS...GUSTS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THE STRONGEST STORMS. * IMPACTS...DRY LIGHTNING AND GUSTY OUTFLOW WINDS IN ADDITION TO VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR NEW FIRE STARTS THROUGH LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
498 WWUS85 KSLC 110849 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 249 AM MDT THU AUG 11 2016 UTZ478-479-492-111000- /O.EXP.KSLC.FW.W.0013.000000T0000Z-160811T0900Z/ SALT LAKE DESERT-WASATCH MOUNTAINS-CENTRAL UTAH WEST DESERT- 249 AM MDT THU AUG 11 2016 ...RED FLAG WARNING WILL EXPIRE AT 3 AM MDT EARLY THIS MORNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 478...479 AND 492... THE THREAT FOR DRY THUNDERSTORMS HAS DIMINISHED ACROSS THE AREA...THUS THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 3 AM. $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 12:33 PM MDT | Special Weather Statement | SLC | 27 min | |
| Aug 10, 1:13 PM MDT | Special Weather Statement | SLC | Washington | 47 min |
| Aug 10, 1:38 PM MDT | Special Weather Statement | SLC | Duchesne | 37 min |
| Aug 10, 1:40 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 4 hr |
| Aug 10, 1:45 PM MDT | Severe Thunderstorm Warning | SLC | Kane, Washington | 30 min |
| Aug 10, 2:17 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 28 min |
| Aug 10, 2:21 PM MDT | Flash Flood Warning | SLC | Garfield, Kane | 4 hr |
| Aug 10, 3:07 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 23 min |
| Aug 10, 3:11 PM MDT | Special Weather Statement | SLC | Salt Lake | 34 min |
| Aug 10, 4:05 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 25 min |
| Aug 10, 4:37 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 23 min |
| Aug 10, 5:39 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 2 hr |
Nearby
Red Flag Warnings in Utah, 2016Every red flag warning in 2016
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.