Alert archive / Wyoming / High Wind Warnings in 2016
High Wind Warning 19, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Oct 13, 2016, 12:22 PM MDT for 6 counties in Wyoming. It took effect at Oct 13, 2016, 9:00 PM MDT. It was in force for 33 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
- Oct 13, 2016, 12:22 PM MDT (18:22 UTC)
- In effect from
- Oct 13, 2016, 9:00 PM MDT
- Expired
- Oct 15, 2016, 5:39 AM MDT
- In force
- 33 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 19 km from the middle of the area, began a volume at 18:24 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 |
|---|---|---|---|
| Oct 14, 2:32 PM MDT | NON-TSTM WND GST 58 | Casper, WY | |
| Oct 14, 2:32 PM MDT | NON-TSTM WND GST 78 | Sse Dead Indian Pass, WY | |
| Oct 14, 2:32 PM MDT | NON-TSTM WND GST 90 | 8 W Clark, WY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 6.4 hours before the alert went out and 25 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
- 3198 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
952 WWUS75 KRIW 131822 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1222 PM MDT THU OCT 13 2016 ...HIGH WINDS EXPECTED IN THE ABSAROKAS AND CODY FOOTHILLS... .AN APPROACHING PACIFIC SYSTEM WILL INCREASE MID LEVEL WINDS AND THESE WILL MIX DOWN TO THE SURFACE BRINGING HIGH WINDS TO PORTIONS OF NORTHWESTERN WYOMING. WYZ002-003-140900- /O.UPG.KRIW.HW.A.0011.161014T0300Z-161015T0300Z/ /O.NEW.KRIW.HW.W.0019.161014T0300Z-161015T0300Z/ ABSAROKA MOUNTAINS-CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 1222 PM MDT THU OCT 13 2016 ...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 PM MDT FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...INCREASING THIS EVENING AND BECOMING STRONG LATER TONIGHT INTO FRIDAY. * WINDS...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH IN THE CODY FOOTHILLS; 35 TO 50 MPH WITH GUSTS TO 75 MPH IN THE ABSAROKAS. * IMPACTS...HIGH WINDS MAY MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
7 follow-up statements
864 WWUS75 KRIW 132353 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 553 PM MDT THU OCT 13 2016 ...HIGH WINDS EXPECTED OVER PORTIONS OF NORTHWEST AND CENTRAL WYOMING TONIGHT THROUGH FRIDAY EVENING... .AN APPROACHING PACIFIC SYSTEM WILL INCREASE MID LEVEL WINDS. FAVORABLE ATMOSPHERIC CONDITIONS WILL ALLOW THESE WINDS TO MIX DOWN TO THE SURFACE...BRINGING HIGH WINDS TO PORTIONS OF NORTHWEST AND CENTRAL WYOMING LATE TONIGHT THROUGH FRIDAY EVENING. WYZ015-141000- /O.EXB.KRIW.HW.W.0019.161014T0600Z-161015T0600Z/ WIND RIVER MOUNTAINS EAST- 553 PM MDT THU OCT 13 2016 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT FRIDAY NIGHT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT FRIDAY NIGHT. * TIMING...INCREASING THIS EVENING AND BECOMING STRONG LATER TONIGHT INTO FRIDAY. * WINDS...WEST TO SOUTHWEST 30 TO 50 MPH WITH GUSTS TO 80 MPH ACROSS THE EASTERN SLOPES OF THE WIND RIVER BASIN. * IMPACTS...HIGH WINDS MAY MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES ALONG SOUTH PASS. HUNTERS WILL NEED TO BE AWARE THAT DEAD OR WEAK TREES...WILL BE SUSCEPTIBLE TO BEING BLOWN OVER DUE TO THE STRONG WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ019-141000- /O.EXB.KRIW.HW.W.0019.161014T0600Z-161015T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 553 PM MDT THU OCT 13 2016 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT FRIDAY NIGHT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT FRIDAY NIGHT. * TIMING...STRONG SOUTHWEST WINDS ARE EXPECTED TO INCREASE LATER TONIGHT...AND PEAK MID TO LATE FRIDAY AFTERNOON. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. A FEW GUSTS OF 65 TO 75 MPH ARE EXPECTED IN FAVORED LOCATIONS SUCH AS ON RIDGES. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS WILL MAKE TRAVEL DANGEROUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY. THIS INCLUDES HIGHWAYS 220...287 AND 789. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ020-141000- /O.EXB.KRIW.HW.W.0019.161014T0600Z-161015T0300Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 553 PM MDT THU OCT 13 2016 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM MDT FRIDAY. * TIMING...STRONG SOUTHWEST WINDS ARE EXPECTED TO INCREASE LATER TONIGHT...AND PEAK MID TO LATE FRIDAY AFTERNOON. THE PRIMARY CONCERN FOR HIGH WINDS THROUGH SUNRISE FRIDAY...IS ALONG OUTERDRIVE IN CASPER...BECOMING MORE WIDESPREAD ACROSS NATRONA COUNTY DURING THE DAY FRIDAY. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. A FEW GUSTS TO NEAR 65 MPH COULD OCCUR ON OUTERDRIVE IN CASPER. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS MAY MAKE TRAVEL HAZARDOUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY...ESPECIALLY ALONG WYOMING BOULEVARD ON THE SOUTH SIDE OF CASPER. RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. * FIRE CONCERNS...OUTDOOR BURNING IS STRONGLY DISCOURAGED AS FIRES COULD SPREAD QUICKLY DUE TO STRONG WINDS...AND AFTERNOON HUMIDITY BETWEEN 15 AND 20 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ002-003-141000- /O.CON.KRIW.HW.W.0019.161014T0300Z-161015T0300Z/ ABSAROKA MOUNTAINS-CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 553 PM MDT THU OCT 13 2016 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 PM MDT FRIDAY... * TIMING...INCREASING THIS EVENING AND BECOMING STRONG LATER TONIGHT INTO FRIDAY. CODY COULD SEE A PERIOD OF STRONG WIND AROUND MIDNIGHT...FOLLOWED BY A LULL IN THE WIND...BEFORE A BETTER CHANCE OF HIGH WIND FOR CODY...RETURNS FRIDAY AFTERNOON AND EVENING. * WINDS...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH IN THE CODY FOOTHILLS. WEST 35 TO 50 MPH WITH GUSTS TO 75 MPH IN THE ABSAROKAS. * IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL ENHANCE THE BLOW OVER RISK FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADWAYS...SUCH AS HIGHWAY 120. HUNTERS WILL NEED TO BE AWARE THAT DEAD OR WEAK TREES...WILL BE SUSCEPTIBLE TO BEING BLOWN OVER DUE TO THE STRONG WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ TEAM RIVERTON/21
724 WWUS75 KRIW 140725 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 125 AM MDT FRI OCT 14 2016 ...HIGH WINDS EXPECTED OVER PORTIONS OF NORTHWEST AND CENTRAL WYOMING THROUGH THIS EVENING... .AN APPROACHING PACIFIC SYSTEM WILL INCREASE MID LEVEL WINDS THAT WILL MIX DOWN TO THE SURFACE...BRINGING HIGH WINDS TO PORTIONS OF NORTHWEST AND CENTRAL WYOMING THROUGH THIS EVENING. WYZ002-003-142200- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T0300Z/ ABSAROKA MOUNTAINS-CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 125 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * TIMING...INCREASING AND BECOMING STRONG LATER TONIGHT INTO FRIDAY...ESPECIALLY IN THE ABSAROKAS AND AROUND CLARK. * WINDS...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH IN THE CODY FOOTHILLS. WEST 35 TO 50 MPH WITH GUSTS TO 75 MPH IN THE ABSAROKAS. * IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL ENHANCE THE BLOW OVER RISK FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADWAYS... SUCH AS HIGHWAY 120. HUNTERS NEED TO BE AWARE THAT DEAD OR WEAK TREES WILL BE SUSCEPTIBLE TO BEING BLOWN OVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ015-142200- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T0600Z/ WIND RIVER MOUNTAINS EAST- 125 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...INCREASING LATE TONIGHT AND BECOMING STRONG THROUGH FRIDAY EVENING. * WINDS...WEST TO SOUTHWEST 30 TO 50 MPH WITH GUSTS TO 80 MPH ACROSS THE EASTERN SLOPES OF THE WIND RIVER MOUNTAINS. * IMPACTS...HIGH WINDS MAY MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES ALONG SOUTH PASS. HUNTERS NEED TO BE AWARE THAT DEAD OR WEAK TREES WILL BE SUSCEPTIBLE TO BEING BLOWN OVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ019-142200- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 125 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...STRONG SOUTHWEST WINDS INCREASING AND PEAKING MID TO LATE THIS AFTERNOON. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. A FEW GUSTS OF 65 TO 75 MPH ARE EXPECTED IN FAVORED LOCATIONS SUCH AS ON RIDGES. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS WILL MAKE TRAVEL DANGEROUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY. THIS INCLUDES HIGHWAYS 220...287 AND 789. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ020-142200- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T0300Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 125 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * TIMING...STRONG SOUTHWEST WINDS WILL CONTINUE TO INCREASE LATE TONIGHT AND PEAK MID TO LATE THIS AFTERNOON. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. A FEW HIGHER GUSTS COULD OCCUR ON OUTER DRIVE IN CASPER. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS WILL MAKE TRAVEL HAZARDOUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY...ESPECIALLY ALONG WYOMING BOULEVARD ON THE SOUTH SIDE OF CASPER. RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. * FIRE CONCERNS...OUTDOOR BURNING IS STRONGLY DISCOURAGED AS FIRES COULD SPREAD QUICKLY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$
961 WWUS75 KRIW 140731 CCA NPWRIW URGENT - WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE RIVERTON WY 131 AM MDT FRI OCT 14 2016 ...HIGH WINDS EXPECTED OVER PORTIONS OF NORTHWEST AND CENTRAL WYOMING THROUGH THIS EVENING... .AN APPROACHING PACIFIC SYSTEM WILL INCREASE MID LEVEL WINDS THAT WILL MIX DOWN TO THE SURFACE...BRINGING HIGH WINDS TO PORTIONS OF NORTHWEST AND CENTRAL WYOMING THROUGH THIS EVENING. WYZ002-003-142200- /O.COR.KRIW.HW.W.0019.000000T0000Z-161015T0300Z/ ABSAROKA MOUNTAINS-CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 131 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * TIMING...INCREASING AND BECOMING STRONG THIS MORNING...ESPECIALLY IN THE ABSAROKAS AND AROUND CLARK. * WINDS...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH IN THE CODY FOOTHILLS. WEST 35 TO 50 MPH WITH GUSTS TO 75 MPH IN THE ABSAROKAS. * IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL ENHANCE THE BLOW OVER RISK FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADWAYS... SUCH AS HIGHWAY 120. HUNTERS NEED TO BE AWARE THAT DEAD OR WEAK TREES WILL BE SUSCEPTIBLE TO BEING BLOWN OVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ015-142200- /O.COR.KRIW.HW.W.0019.000000T0000Z-161015T0600Z/ WIND RIVER MOUNTAINS EAST- 131 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING..INCREASING AND BECOMING STRONG THIS MORNING...AND CONTINUING THROUGH THIS EVENING. * WINDS...WEST TO SOUTHWEST 30 TO 50 MPH WITH GUSTS TO 80 MPH ACROSS THE EASTERN SLOPES OF THE WIND RIVER MOUNTAINS. * IMPACTS...HIGH WINDS MAY MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES ALONG SOUTH PASS. HUNTERS NEED TO BE AWARE THAT DEAD OR WEAK TREES WILL BE SUSCEPTIBLE TO BEING BLOWN OVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ019-142200- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 131 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...STRONG SOUTHWEST WINDS INCREASING AND PEAKING MID TO LATE THIS AFTERNOON. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. A FEW GUSTS OF 65 TO 75 MPH ARE EXPECTED IN FAVORED LOCATIONS SUCH AS ON RIDGES. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS WILL MAKE TRAVEL DANGEROUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY. THIS INCLUDES HIGHWAYS 220...287 AND 789. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ020-142200- /O.COR.KRIW.HW.W.0019.000000T0000Z-161015T0300Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 131 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * TIMING...STRONG SOUTHWEST WINDS WILL CONTINUE TO INCREASE THIS MORNING AND PEAK MID TO LATE THIS AFTERNOON. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. A FEW HIGHER GUSTS COULD OCCUR ON OUTER DRIVE IN CASPER. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS WILL MAKE TRAVEL HAZARDOUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY...ESPECIALLY ALONG WYOMING BOULEVARD ON THE SOUTH SIDE OF CASPER. RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. * FIRE CONCERNS...OUTDOOR BURNING IS STRONGLY DISCOURAGED AS FIRES COULD SPREAD QUICKLY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$
452 WWUS75 KRIW 141730 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1130 AM MDT FRI OCT 14 2016 ...HIGH WINDS OVER PORTIONS OF NORTHWEST AND CENTRAL WYOMING THROUGH THIS EVENING... .AN APPROACHING PACIFIC SYSTEM WILL INCREASE MID LEVEL WINDS THAT WILL MIX DOWN TO THE SURFACE...BRINGING HIGH WINDS TO PORTIONS OF NORTHWEST AND CENTRAL WYOMING THROUGH THIS EVENING. WYZ002-003-150300- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T0300Z/ ABSAROKA MOUNTAINS-CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 1130 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * TIMING...HIGH WIND GUSTS THIS AFTERNOON THROUGH THIS EVENING. WIND GUSTS BETWEEN 55 AND 75 MPH HAVE ALREADY OCCURRED TODAY. * WINDS...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH IN THE CODY FOOTHILLS. WEST 35 TO 50 MPH WITH GUSTS TO 75 MPH IN THE ABSAROKAS. WIND GUSTS AROUND CLARK MAY BE AS HIGH AS 80 MPH. * IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL ENHANCE THE BLOW OVER RISK FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADWAYS... SUCH AS HIGHWAY 120. HUNTERS NEED TO BE AWARE THAT DEAD OR WEAK TREES WILL BE SUSCEPTIBLE TO BEING BLOWN OVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ015-150315- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T0600Z/ WIND RIVER MOUNTAINS EAST- 1130 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING..HIGH WIND SPEEDS AND GUSTS WILL CONTINUE THROUGH THIS EVENING. WIND GUSTS OF 50 TO 60 MPH HAVE ALREADY OCCURRED TODAY IN THE HIGHER ELEVATIONS. * WINDS...WEST TO SOUTHWEST 30 TO 50 MPH WITH GUSTS TO 80 MPH ACROSS THE EASTERN SLOPES OF THE WIND RIVER MOUNTAINS. * IMPACTS...HIGH WINDS MAY MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES ALONG SOUTH PASS. HUNTERS NEED TO BE AWARE THAT DEAD OR WEAK TREES WILL BE SUSCEPTIBLE TO BEING BLOWN OVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ019-150315- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 1130 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...STRONG WIND GUSTS THROUGH LATE THIS EVENING. WIND GUSTS OF 50 TO 65 MPH HAVE ALREADY OCCURRED IN THE HIGHER ELEVATIONS TODAY. * WINDS...SOUTHWEST 35 TO 45 MPH WITH GUSTS TO 60 MPH. A FEW GUSTS OF 65 TO 75 MPH ARE EXPECTED IN FAVORED LOCATIONS SUCH AS ON RIDGES. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS WILL MAKE TRAVEL DANGEROUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY. THIS INCLUDES HIGHWAYS 220...287 AND 789. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ020-150300- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T0300Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 1130 AM MDT FRI OCT 14 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * TIMING...STRONG WIND SPEEDS AND GUSTS THROUGH THIS EVENING. WIND GUSTS BETWEEN 50 AND 55 MPH HAVE ALREADY OCCURRED TODAY. * WINDS...SOUTHWEST 35 TO 45 MPH WITH GUSTS AROUND 60 MPH. HIGHER GUSTS ARE EXPECTED ON OUTER DRIVE IN CASPER. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS WILL MAKE TRAVEL HAZARDOUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY... ESPECIALLY ALONG WYOMING BOULEVARD ON THE SOUTH SIDE OF CASPER. RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. * FIRE CONCERNS...OUTDOOR BURNING IS STRONGLY DISCOURAGED AS FIRES COULD SPREAD QUICKLY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$
675 WWUS75 KRIW 150302 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 902 PM MDT FRI OCT 14 2016 ...HIGH WINDS CONTINUE OVER PORTIONS OF NORTHWEST THROUGH 9AM SATURDAY MORNING... .AN APPROACHING PACIFIC SYSTEM WILL INCREASE MID LEVEL WINDS AND MOUNTAIN WAVE ACTIVITY...CONTINUING HIGH WINDS PERIODICALLY OVER PORTIONS OF NORTHWEST WYOMING THROUGH 9AM SATURDAY MORNING. WYZ015-019-150415- /O.CAN.KRIW.HW.W.0019.000000T0000Z-161015T0600Z/ WIND RIVER MOUNTAINS EAST-GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 902 PM MDT FRI OCT 14 2016 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. WIDESPREAD STRONG WINDS HAVE DECREASED ACROSS THE FORECAST AREA THIS EVENING. HOWEVER...WEST TO SOUTHWEST WIND OF 20 TO 35 MPH WITH OCCASIONAL GUSTS FROM 40 TO 55 MPH WILL CONTINUE AT TIMES THROUGH SATURDAY MORNING. THE MOST LIKELY AREA TO SEE HIGHER WIND GUSTS WILL BE LOCATED BETWEEN SOUTH PASS AND CASPER ALONG HIGHWAYS 287 AND 789. MOTORISTS SHOULD BE PREPARED FOR SUDDEN WIND GUSTS IN THESE AREAS. $$ WYZ020-150415- /O.CAN.KRIW.HW.W.0019.000000T0000Z-161015T0300Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 902 PM MDT FRI OCT 14 2016 ...HIGH WIND WARNING CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. WEST TO SOUTHWEST WIND OF 15 TO 30 MPH WITH OCCASIONAL GUSTS FROM 35 TO 45 MPH WILL CONTINUE AT TIMES THROUGH SATURDAY MORNING. THE MOST LIKELY AREA TO SEE HIGHER WIND GUSTS WILL BE LOCATED ALONG HIGHWAY 287. MOTORISTS SHOULD BE PREPARED FOR SUDDEN WIND GUSTS IN THESE AREAS. $$ WYZ002-003-151000- /O.EXT.KRIW.HW.W.0019.000000T0000Z-161015T1500Z/ ABSAROKA MOUNTAINS-CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 902 PM MDT FRI OCT 14 2016 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 9 AM MDT SATURDAY... * TIMING...OCCASIONAL HIGH WIND GUSTS TONIGHT THROUGH SATURDAY MORNING...ESPECIALLY IN THE ABSAROKA MOUNTAINS AND ALONG HIGHWAY 120. WIND GUSTS BETWEEN 55 AND 90 MPH HAVE ALREADY OCCURRED TODAY. * WINDS...WEST TO SOUTHWEST 15 TO 35 MPH WITH OCCASIONAL GUSTS TO 65 MPH IN THE CODY FOOTHILLS. WEST 25 TO 45 MPH WITH GUSTS TO 75 MPH IN THE ABSAROKAS. WIND GUSTS AROUND CLARK MAY BE AS HIGH AS 80 MPH. * IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL ENHANCE THE BLOW OVER RISK FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADWAYS... SUCH AS HIGHWAY 120. HUNTERS NEED TO BE AWARE THAT DEAD OR WEAK TREES WILL BE SUSCEPTIBLE TO BEING BLOWN OVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$
556 WWUS75 KRIW 150722 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 122 AM MDT SAT OCT 15 2016 ...HIGH WINDS CONTINUE OVER PORTIONS OF NORTHWEST THROUGH 9AM SATURDAY MORNING AND MAY RETURN TO PORTIONS OF CENTRAL WYOMING LATE TONIGHT AND SUNDAY... .HIGH WINDS WILL CONTINUE OVER PORTIONS OF NORTHWEST WYOMING THROUGH EARLY THIS MORNING BEFORE WEAKENING. ANOTHER APPROACHING COLD FRONT MAY BRING HIGH WINDS TO PORTIONS OF CENTRAL WYOMING LATE TONIGHT AND SUNDAY. WYZ002-003-151500- /O.CON.KRIW.HW.W.0019.000000T0000Z-161015T1500Z/ ABSAROKA MOUNTAINS-CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 122 AM MDT SAT OCT 15 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * TIMING...OCCASIONAL HIGH WIND GUSTS TONIGHT THROUGH SATURDAY MORNING...ESPECIALLY IN THE ABSAROKA MOUNTAINS AND ALONG HIGHWAY 120. * WINDS...WEST TO SOUTHWEST 15 TO 35 MPH WITH OCCASIONAL GUSTS TO 65 MPH IN THE CODY FOOTHILLS. WEST 25 TO 45 MPH WITH GUSTS TO 75 MPH IN THE ABSAROKAS. * IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL ENHANCE THE BLOW OVER RISK FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADWAYS... SUCH AS HIGHWAY 120. HUNTERS NEED TO BE AWARE THAT DEAD OR WEAK TREES WILL BE SUSCEPTIBLE TO BEING BLOWN OVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... RESIDENTS ARE URGED TO SECURE OR BRING INDOORS ANY LOOSE ITEMS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING...WHICH COULD LEAD TO PROPERTY DAMAGE OR CAUSE TREE DAMAGE. && $$ WYZ019-020-152200- /O.NEW.KRIW.HW.A.0012.161016T0900Z-161016T2100Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 122 AM MDT SAT OCT 15 2016 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON. * TIMING...WINDS WILL INCREASE LATE TONIGHT AND MAY BECOME STRONG BEFORE SUNRISE ON SUNDAY AND CONTINUE THROUGH MUCH OF THE DAY. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS MAY MAKE TRAVEL DANGEROUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
477 WWUS75 KRIW 151139 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 539 AM MDT SAT OCT 15 2016 ...HIGH WINDS MAY RETURN TO PORTIONS OF CENTRAL WYOMING LATE TONIGHT AND SUNDAY... .AN APPROACHING COLD FRONT MAY BRING HIGH WINDS TO PORTIONS OF CENTRAL WYOMING LATE TONIGHT AND SUNDAY. WYZ002-003-151245- /O.CAN.KRIW.HW.W.0019.000000T0000Z-161015T1500Z/ ABSAROKA MOUNTAINS-CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 539 AM MDT SAT OCT 15 2016 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. THE THREAT OF HIGH WINDS HAS ENDED ACROSS THE AREA THIS MORNING. $$ WYZ019-020-152200- /O.CON.KRIW.HW.A.0012.161016T0900Z-161016T2100Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 539 AM MDT SAT OCT 15 2016 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... * TIMING...WINDS WILL INCREASE LATE TONIGHT AND MAY BECOME STRONG BEFORE SUNRISE ON SUNDAY AND CONTINUE THROUGH MUCH OF THE DAY. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...MAINLY TO TRANSPORTATION. HIGH WINDS MAY MAKE TRAVEL DANGEROUS FOR LIGHTWEIGHT AND HIGH PROFILE VEHICLES ACROSS SOUTHEAST FREMONT AND MUCH OF NATRONA COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
What forecasters said that day
The local office's own words before this high wind warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Riverton, WY wrote its last area forecast discussion before this high wind warning went out at Oct 13, 12:04 PM MDT, 18 minutes earlier.
Area forecast discussion, Oct 13, 12:04 PM MDT, 18 minutes before
Area Forecast Discussion National Weather Service Riverton WY 1204 PM MDT THU OCT 13 2016 .SHORT TERM...Thursday through Saturday night The weather looks to be taking a turn toward a more active pattern for the next few days. Today looks to be the quietest as a ridge will control the weather for one more day and bring dry weather. However, with flow turning to the west to southwest ahead of an advancing Pacific trough and cold front temperatures will also warm to near to slightly above normal. This will also increase the pressure gradient and bring gusty wind to the southwest wind corridor. With relative humidity expected to fall into the teens, we will issue a Red Flag Warning for Natrona County this afternoon since fuels are still critical there. The trough will approach the west tonight, but any precipitation should hold off until well after midnight with a vast majority of the time dry. Precipitation will move into the west during the day on Friday for much of the day. However, with the Pacific origin of the system there is not a tremendous amount of cold air with it. Even by 6 pm Friday the models keep 700 millibar temperatures to minus 1 or higher so snow levels would be 8000 feet or higher and in most areas 9000 feet or higher through the day. And even at night, snow levels will likely not drop below 7000 feet. Timing the heaviest precipitation is still difficult, but the heaviest at this point looks looks to be Friday afternoon into Friday evening. At this point, it looks more likely advisory amounts rather than warning. We will let the day shift make the final decision on that. The other story Thursday night into Friday will be for wind. Both the NAM and GFS show 700 millibar winds increasing to 50 to as much as 70 knots Thursday night through Friday across the favored areas around the Absarokas and Cody Foothills. There is still some question whether or not the mountain wave could break though. Nevertheless, we will issue a high wind watch for the aforementioned zones. On Friday, with the favored southwest flow, good mixing with the trough approaching and 700 millibar winds over 50 knots, a high wind watch may be needed for the southwestern Wind Corridor as well on Friday. As for precipitation, with the strong downsloping flow most areas should have a dry, warm and breezy to windy day. Conditions should calm down on Saturday as the trough and front move away to the east. There will still be some orographic showers around in the west but nothing heavy expected. With the pressure gradient decreasing a bit, with wind should decrease east of the divide but still remain breezy to windy, temperatures will also cool somewhat but still remain above normal and dry. Across the west, another potentially more potent system should approach late Saturday night with another chance of rain and snow. .LONG TERM...Sunday through Thursday Synopsis...A strong cold front will push across the area on Monday. A moist southwest flow will bring valley rain and mountain snow to the west Sunday and Sunday night with windy and mild conditions east of the Divide. Cooler and windy conditions will accompany the cold front on Monday, along with lowering snow levels and mainly snow showers across the west. Another Pacific storm system is expected to impact the area Tuesday night into Wednesday. Drier and milder conditions will follow on Thursday. Discussion...A strong onshore Pacific flow is expected to bring a series of disturbances across the area through Tuesday. ECMWF and GFS are in good overall agreement with slight timing differences with the strongest shortwave pushing into northern California on Sunday and across Wyoming on Monday. Associated cold front is expected to slam into the western mountains Monday morning. Moist southwest flow ahead of the front is expected to feed the main moisture plume into northwest Wyoming on Sunday with snow levels between 8-9kft. Cold front will bring snow levels down to most western valley floors Monday morning. The potential for high winds will return across the RKS-CPR wind corridor Sunday. Strong frontal passage on Monday morning may bring more widespread high wind potential east of the Divide Monday morning. This strong downslope flow will also limit shower activity east of the Continental Divide. ECMWF and GFS show a greater degree of spread with subsequent Pacific storm systems moving across the western U.S. Tuesday and Wednesday. Consistency favors some drying on Monday night into Tuesday, with next distinct shortwave diving southeast across the area Tuesday night into Wednesday. This system is expected to impact mainly northern Wyoming with rain and snow showers, and bring a reinforcing shot of cold air across the area. && .AVIATION.../18Z ISSUANCE/ Generally VFR conditions anticipated through 00z Friday across the area. Shower activity over the western mountains and valleys will increase through the overnight hours. Shower coverage will be significant across areas west of the divide by 12z Friday. Additional to shower coverage, wind will steadily increase across the area. Ahead of strong surface wind, LLWS has been included at numerous terminals. Increasing wind will result in additional areas of turbulence across the area. As surface winds increase after 12z Friday, some mention of LLWS tapers off in the TAFs. For these terminals, strong wind aloft will still be expected, but may be outside of thresholds for inclusion in the TAF. && .FIRE WEATHER... ...RED FLAG WARNING FOR NATRONA COUNTY THIS AFTERNOON... A combination of low relative humidity and a gusty southwest wind will bring critical fire weather to Natrona County today. Elsewhere, expect a dry and warmer day with breezy conditions at times across the south and west. Mixing and smoke dispersal will range from poor across the basins to good in the west and south. Friday will see breezy to windy conditions for most areas but more cloud cover and somewhat higher relative humidity. && .RIW Watches/Warnings/Advisories... High Wind Watch from 9 PM MDT this evening through Friday evening for WYZ002-003. Red Flag Warning until 7 PM MDT this evening for WYZ280. && SHORT TERM...Hattings LONG TERM...AEM AVIATION...Branham FIRE WEATHER...Hattings
Hazardous weather outlook, Oct 13, 3:06 AM MDT, 9 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 306 AM MDT THU OCT 13 2016 WYZ001>020-022>030-140915- YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-CODY FOOTHILLS- NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN- SOUTHEAST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS- BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE- WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS- GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-STAR VALLEY- SALT RIVER AND WYOMING RANGES-UPPER GREEN RIVER BASIN FOOTHILLS- UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- 306 AM MDT THU OCT 13 2016 ...RED FLAG WARNING FOR NATRONA COUNTY THIS AFTERNOON... ...HIGH WIND WATCH FOR THE ABSAROKAS AND CODY FOOTHILLS TONIGHT INTO FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT GUSTY WIND AND LOW RELATIVE HUMIDITY WILL BRING CRITICAL FIRE WEATHER CONDITIONS TO NATRONA COUNTY TODAY. HIGH WIND POSSIBLE TONIGHT FOR THE CODY FOOTHILLS AND ABSAROKA MOUNTAINS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY FRIDAY AND FRIDAY NIGHT...A GOOD CHANCE OF RAIN AND MOUNTAIN SNOW IN THE WEST. HIGH WIND POSSIBLE IN SOME AREAS EAST OF THE DIVIDE. SUNDAY...PERIODS OF SNOW IN THE NORTHWEST MOUNTAINS. STRONG WINDS POSSIBLE ACROSS PORTIONS OF CENTRAL WYOMING. MONDAY...STRONG COLD FRONTAL PASSAGE MONDAY MORNING WITH SNOW LEVELS EXPECTED TO LOWER TO WESTERN VALLEY FLOORS. SIGNIFICANT SNOW AND BLOWING SNOW POSSIBLE WESTERN MOUNTAINS MONDAY MORNING. STRONG WINDS POSSIBLE ACROSS CENTRAL WYOMING, ESPECIALLY ALONG THE EASTERN FOOTHILLS. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD REPORT WIND GUSTS PAST 45 MPH. THANK YOU. TEAM RIVERTON
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 1:51 AM MDT | Red Flag Warning | RIW | Natrona | 17 hr |
| Oct 13, 2:05 AM MDT | High Wind Watch | RIW | Fremont, Hot Springs, Park | 10 hr |
Nearby
High Wind Warnings in Wyoming, 2016Every high wind 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.