Alert archive / Wyoming / High Wind Warnings in 2009
High Wind Warning 13, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Dec 15, 2009, 1:58 AM MST for 5 counties in Wyoming. It took effect at Dec 15, 2009, 5:00 AM MST. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 15, 2009, 1:58 AM MST (08:58 UTC)
- In effect from
- Dec 15, 2009, 5:00 AM MST
- Expired
- Dec 15, 2009, 11:00 PM MST
- In force
- 18 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Natrona County, WY, Park County, WY, Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 13 km from the middle of the area, began a volume at 08:59 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
Riverton, WY (KRIW), launched 00:00Z, 9.0 hours before the alert went out and 13 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
- 1859 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 208 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS75 KRIW 150858 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 158 AM MST TUE DEC 15 2009 ...VERY STRONG WINDS EXPECTED OVER PORTIONS OF CENTRAL AND NORTH CENTRAL WYOMING TODAY AND TONIGHT... .THE COMBINATION OF INCREASING WINDS ALOFT AND AN INCREASING SURFACE PRESSURE GRADIENT WILL PRODUCE VERY STRONG AND POTENTIALLY DAMAGING WINDS ACROSS THE GREEN MOUNTAINS AND RATTLESNAKE RANGE TODAY AND TONIGHT. ANOTHER AREA OF VERY STRONG AND POTENTIALLY DAMAGING WINDS WILL DEVELOP IN THE CODY FOOTHILLS AND EAST SLOPE OF THE ABSAROKA MOUNTAINS TODAY AND TONIGHT. WYZ020-151000- /O.CAN.KRIW.HW.A.0010.091215T1200Z-091216T0600Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 158 AM MST TUE DEC 15 2009 ...HIGH WIND WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELED THE HIGH WIND WATCH. BREEZY SOUTHWEST WIND OF 25 TO 35 MPH WITH GUSTS TO AROUND 50 MPH WILL BE POSSIBLE TODAY ACROSS NATRONA COUNTY. THIS WIND MAY IMPACT TRAVEL ON INTERSTATE 25 AROUND CASPER...ESPECIALLY FOR THOSE TRAVELING IN HIGH PROFILE VEHICLES DUE TO INCREASED CROSS WIND. HOWEVER...WIND IS EXPECTED TO REMAIN BELOW HIGH WIND CRITERIA. THEREFORE THE HIGH WIND WATCH HAS BEEN CANCELED. $$ WYZ019-151900- /O.UPG.KRIW.HW.A.0010.091215T0900Z-091216T0600Z/ /O.NEW.KRIW.HW.W.0013.091215T1200Z-091216T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 158 AM MST TUE DEC 15 2009 ...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO 11 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 11 PM MST THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WINDS ARE EXPECTED TO INCREASE THIS MORNING AND CONTINUE THROUGH THIS EVENING. THE STRONGEST WINDS ARE EXPECTED THIS AFTERNOON AND EARLY EVENING. * SOUTHWEST WINDS ARE EXPECTED TO INCREASE TO 30 TO 40 MPH THIS MORNING WITH GUSTS TO 60 MPH. THE STRONGEST WINDS ARE EXPECTED LATE THIS MORNING THROUGH THE EARLY EVENING HOURS WHEN SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS 70 MPH ARE POSSIBLE. * HIGHWAY 287 AND 789 BETWEEN BEAVER RIM...SWEETWATER STATION AND MUDDY GAP WILL EXPERIENCE VERY STRONG CROSS WINDS. USE EXTREME CAUTION IF PLANNING TRAVEL ACROSS THE GREEN MOUNTAINS OR RATTLESNAKE RANGE TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ WYZ002-151900- /O.UPG.KRIW.HW.A.0010.091215T1200Z-091216T1200Z/ /O.NEW.KRIW.HW.W.0013.091215T1200Z-091216T1200Z/ ABSAROKA MOUNTAINS- 158 AM MST TUE DEC 15 2009 ...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO 5 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 5 AM MST WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WEST WINDS ARE EXPECTED TO INCREASE THIS MORNING AND CONTINUE TONIGHT. THE POTENTIAL FOR VERY STRONG AND DAMAGING WINDS DOES EXIST...ESPECIALLY ALONG THE EAST SLOPE OF THE ABSAROKA MOUNTAINS ABOVE CLARK. * WEST WINDS ARE EXPECTED TO INCREASE TO 40 TO 50 MPH WITH GUSTS OF 70 TO 80 MPH WITH LOCALLY HIGHER GUSTS POSSIBLE TODAY AND CONTINUE AT TIMES THROUGH TONIGHT. * TRAVELLERS TRAVELING ON CHIEF JOSEPH HIGHWAY WILL BE SEVERELY IMPACTED ONCE HIGH WINDS DEVELOP TODAY. USE CAUTION IF TRAVEL IS PLANNED THROUGHOUT THE ABSAROKA MOUNTAINS TODAY AND TONIGHT. 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. && $$ WYZ003-151900- /O.UPG.KRIW.HW.A.0010.091215T1200Z-091216T1200Z/ /O.NEW.KRIW.HW.W.0013.091215T1200Z-091216T1200Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 158 AM MST TUE DEC 15 2009 ...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO 5 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 5 AM MST WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WEST WINDS ARE EXPECTED TO INCREASE THIS MORNING AND CONTINUE THROUGH TONIGHT. THE POTENTIAL FOR VERY STRONG AND DAMAGING WINDS DOES EXIST...ESPECIALLY AROUND AND JUST SOUTH OF CLARK. * WEST WINDS ARE EXPECTED TO INCREASE TO 30 TO 40 MPH WITH GUSTS TO 60 MPH POSSIBLE TODAY. THESE STRONG WINDS WILL CONTINUE TONIGHT. THE POTENTIAL FOR A DAMAGING WIND EVENT ALSO EXISTS WITH EVEN STRONGER WINDS POSSIBLE AROUND THE CLARK AREA WHERE GUSTS OVER 80 MPH ARE POSSIBLE. * HIGHWAY 120 FROM JUST SOUTH OF CODY THROUGH CLARK WILL SEE VERY STRONG CROSS WINDS THROUGH TONIGHT. THE STRONGEST WINDS WILL LIKELY OCCUR FROM ABOUT 10 MILES SOUTH OF CLARK NORTH THROUGH THE CLARK AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ BRANHAM
3 follow-up statements
000 WWUS75 KRIW 151859 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1159 AM MST TUE DEC 15 2009 ...VERY STRONG WIND EXPECTED OVER PORTIONS OF CENTRAL AND NORTH CENTRAL WYOMING THIS AFTERNOON AND OVERNIGHT... .WINDS ALOFT WILL INCREASE THIS AFTERNOON AIDING IN THE DEVELOPMENT OF STRONG GUSTY WIND...ESPECIALLY LATE THIS AFTERNOON INTO THE EARLY EVENING. THE RESULT WILL BE STRONG AND POTENTIALLY DAMAGING WIND ACROSS THE GREEN MOUNTAINS AND RATTLESNAKE RANGE. ANOTHER AREA OF STRONG WIND WILL LIKELY DEVELOP LATER TODAY AND TONIGHT AND IMPACT THE CODY FOOTHILLS AND EAST SLOPE OF THE ABSAROKA MOUNTAINS. WYZ019-160600- /O.CON.KRIW.HW.W.0013.000000T0000Z-091216T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 1159 AM MST TUE DEC 15 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * STRONG WINDS ALOFT WILL STRENGTHEN SURFACE WIND THIS AFTERNOON AND EARLY EVENING. * SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 55 MPH WILL INCREASE LATER THIS AFTERNOON AND EARLY EVENING. SUSTAINED WIND OVER 40 MPH WITH GUSTS AROUND 65 MPH WILL OCCUR..MOST LIKELY BETWEEN 3 PM AND 9 PM. * HIGHWAY 287 AND 789 BETWEEN BEAVER RIM...SWEETWATER STATION...JEFFREY CITY AND MUDDY GAP WILL EXPERIENCE VERY STRONG CROSSWINDS. USE EXTREME CAUTION IF PLANNING TRAVEL ACROSS THIS CORRIDOR THROUGH THE EVENING HOURS. 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. && $$ WYZ002-160600- /O.CON.KRIW.HW.W.0013.000000T0000Z-091216T1200Z/ ABSAROKA MOUNTAINS- 1159 AM MST TUE DEC 15 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * STRONG WIND ALOFT WILL ENHANCE THE POTENTIAL FOR STRONG AND DAMAGING WIND FROM LATE THIS AFTERNOON THROUGH TONIGHT. * WEST WIND OF 30 TO 40 MPH WITH GUSTS AROUND 50 MPH ARE EXPECTED TO INCREASE LATE THIS AFTERNOON AND PERSIST THROUGH TONIGHT. SUSTAINED WIND OF 40 TO 50 MPH WITH GUSTS OF 70 TO 80 MPH WILL BE POSSIBLE. LOCALLY HIGHER GUSTS MAY OCCUR AROUND AND JUST WEST OF CLARK. * TRAVELLERS OVER CHIEF JOSEPH HIGHWAY CAN EXPECT DANGEROUS CROSSWINDS. USE CAUTION IF TRAVEL IS PLANNED IN THE ABSAROKA MOUNTAINS THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 50 MPH OR GUSTS OF 75 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ WYZ003-160600- /O.CON.KRIW.HW.W.0013.000000T0000Z-091216T1200Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 1159 AM MST TUE DEC 15 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * STRONG WIND ALOFT WILL ENHANCE THE POTENTIAL FOR STRONG AND DAMAGING WIND FROM LATE THIS AFTERNOON THROUGH TONIGHT. * WEST WIND OF 20 TO 30 MPH WITH GUSTS AROUND 40 MPH ARE EXPECTED TO INCREASE LATE THIS AFTERNOON AND PERSIST THROUGH TONIGHT. THE STRONGEST WIND WILL OCCUR AROUND CLARK AND ON HIGHWAY 120 AROUND MILE MARKERS 120 AND 121. AREAS NEAR CANYON MOUTHS WILL ALSO BE SUSCEPTIBLE TO THE HIGH WIND. SUSTAINED SPEEDS AROUND 40 MPH WITH GUSTS TO AROUND 60 MPH ARE EXPECTED WITH LOCAL GUSTS OVER 70 MPH AROUND CLARK. * HIGHWAY 120 FROM JUST SOUTH OF CODY THROUGH CLARK WILL SEE VERY STRONG CROSSWINDS THROUGH TONIGHT. USE EXTREME CAUTION IF TRAVELING THIS STRETCH OF ROAD. 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. && $$
000 WWUS75 KRIW 160026 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 526 PM MST TUE DEC 15 2009 ...VERY STRONG WIND EXPECTED OVER PORTIONS OF CENTRAL AND NORTH CENTRAL WYOMING TONIGHT... .A TIGHT PRESSURE GRADIENT WILL RESULT IN VERY STRONG WINDS ACROSS THE GREEN MOUNTAINS AND RATTLESNAKE RANGE THIS EVENING. ANOTHER AREA OF STRONG WIND WILL IMPACT THE CODY FOOTHILLS...AND THE EAST SLOPES OF THE ABSAROKA MOUNTAINS. WYZ019-160600- /O.CON.KRIW.HW.W.0013.000000T0000Z-091216T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 526 PM MST TUE DEC 15 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SOUTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 65 MPH WILL CONTINUE THIS EVENING. WINDS ARE EXPECTED TO WEAKEN A LITTLE LATE THIS EVENING. * HIGHWAY 287 AND 789 BETWEEN BEAVER RIM...SWEETWATER STATION... JEFFREY CITY AND MUDDY GAP WILL EXPERIENCE VERY STRONG CROSSWINDS. USE EXTREME CAUTION IF PLANNING TRAVEL ACROSS THIS CORRIDOR THROUGH THE EVENING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ WYZ002-161200- /O.CON.KRIW.HW.W.0013.000000T0000Z-091216T1200Z/ ABSAROKA MOUNTAINS- 526 PM MST TUE DEC 15 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * STRONG WIND ALOFT WILL ENHANCE THE POTENTIAL FOR STRONG AND DAMAGING WIND TONIGHT. * WEST WIND OF 30 TO 40 MPH WITH GUSTS AROUND 50 MPH ARE EXPECTED TONIGHT. SUSTAINED WIND OF 40 TO 50 MPH WITH GUSTS OF 70 TO 80 MPH WILL BE POSSIBLE. LOCALLY HIGHER GUSTS MAY OCCUR AROUND AND JUST WEST OF CLARK. * TRAVELERS OVER CHIEF JOSEPH HIGHWAY CAN EXPECT DANGEROUS CROSSWINDS. USE CAUTION IF TRAVEL IS PLANNED IN THE ABSAROKA MOUNTAINS TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 50 MPH OR GUSTS OF 75 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ WYZ003-161200- /O.CON.KRIW.HW.W.0013.000000T0000Z-091216T1200Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 526 PM MST TUE DEC 15 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * STRONG WIND ALOFT WILL ENHANCE THE POTENTIAL FOR STRONG AND DAMAGING WIND TONIGHT. * WEST WIND OF 20 TO 30 MPH WITH GUSTS AROUND 40 MPH ARE EXPECTED TONIGHT. THE STRONGEST WIND WILL OCCUR AROUND CLARK AND ON HIGHWAY 120...AROUND MILE MARKERS 120 AND 121. AREAS NEAR CANYON MOUTHS WILL ALSO BE SUSCEPTIBLE TO THE HIGH WIND. SUSTAINED SPEEDS AROUND 40 MPH WITH GUSTS TO AROUND 60 MPH ARE EXPECTED WITH LOCAL GUSTS OVER 70 MPH AROUND CLARK. * HIGHWAY 120 FROM JUST SOUTH OF CODY THROUGH CLARK WILL SEE VERY STRONG CROSSWINDS TONIGHT. USE EXTREME CAUTION IF TRAVELING THIS STRETCH OF ROAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
000 WWUS75 KRIW 160552 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1052 PM MST TUE DEC 15 2009 WYZ002-003-160700- /O.CAN.KRIW.HW.W.0013.000000T0000Z-091216T1200Z/ ABSAROKA MOUNTAINS-CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 1052 PM MST TUE DEC 15 2009 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. WINDS ARE NO LONGER EXPECTED TO REACH WARNING CRITERIA...THUS THE HIGH WIND WARNING HAS BEEN CANCELLED. $$ WYZ019-160700- /O.EXP.KRIW.HW.W.0013.000000T0000Z-091216T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 1052 PM MST TUE DEC 15 2009 ...HIGH WIND WARNING WILL EXPIRE AT 11 PM MST THIS EVENING... THE HIGH WIND WARNING WILL EXPIRE AT 11 PM MST THIS EVENING. * WINDS WILL REMAIN STRONG OVERNIGHT...BUT BELOW HIGH WIND CRITERIA. SOUTHWEST WINDS BETWEEN 25 AND 35 MPH WITH GUSTS UP TO 55 MPH ARE EXPCETED OVERNIGHT. TRAVELLERS ON HIGHWAY 287 AND 789 SHOULD CONTINUE TO EXPECT VERY STRONG CROSSWINDS. $$ 21
Nearby
High Wind Warnings in Wyoming, 2009Every high wind warning in 2009
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.