Alert archive / Wyoming / High Wind Warnings in 2011
High Wind Warning 4, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Jan 21, 2011, 2:08 PM MST for Fremont County, Hot Springs County, Park County, Wyoming. It took effect at Jan 21, 2011, 9:00 PM MST. It was in force for 12 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
- Jan 21, 2011, 2:08 PM MST (21:08 UTC)
- In effect from
- Jan 21, 2011, 9:00 PM MST
- Expired
- Jan 22, 2011, 9:00 AM MST
- In force
- 12 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Park County, WY
The radar
The Riverton/Lander radar (KRIW), 84 km from the middle of the area, began a volume at 21:09 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 12:00Z, 9.1 hours before the alert went out and 86 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
- 2147 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
874 WWUS75 KRIW 212108 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 208 PM MST FRI JAN 21 2011 ...HIGH WINDS EXPECTED TO DEVELOP ALONG AND NEAR THE EAST SLOPES OF THE ABSAROKA MOUNTAINS LATER THIS EVENING THROUGH 9 AM SATURDAY MORNING... .HIGH WINDS EXPECTED TO DEVELOP ALONG AND NEAR THE EAST SLOPES OF THE ABSAROKA MOUNTAINS LATER THIS EVENING THROUGH 9 AM SATURDAY MORNING. INCREASING SURFACE PRESSURE GRADIENT WILL COMBINE WITH AND UPPER LEVEL JET TO PRODUCE CONDITIONS FAVORABLE FOR HIGH WINDS IN THE AREA. WYZ003-221000- /O.NEW.KRIW.HW.W.0004.110122T0400Z-110122T1600Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 208 PM MST FRI JAN 21 2011 ...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST SATURDAY. * SUMMARY AND TIMING...STRONG WINDS WILL DEVELOP THIS EVENING. HIGH WINDS ARE EXPECTED AROUND 9 PM...CONTINUING THROUGH 9 AM SATURDAY MORNING. * WIND...WEST WINDS OF 40 MPH WITH GUSTS TO 65 MPH ARE EXPECTED NORTH OF CODY...THROUGH CLARK TO THE MONTANA BORDER ALONG HIGHWAY 120. * IMPACTS...HIGH WINDS WILL PROVIDE CROSS WINDS ALONG HIGHWAY 120 PROVIDING POTENTIALLY DANGEROUS DRIVING CONDITIONS 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. && $$ WYZ002-221000- /O.NEW.KRIW.HW.W.0004.110122T0400Z-110122T1600Z/ ABSAROKA MOUNTAINS- 208 PM MST FRI JAN 21 2011 ...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MST SATURDAY. * SUMMARY AND TIMING...STRONG WINDS WILL DEVELOP THIS EVENING. HIGH WINDS ARE EXPECTED AROUND 9 PM...CONTINUING THROUGH 9 AM SATURDAY MORNING. * WIND...WEST WINDS OF 50 MPH WITH GUSTS TO 75 MPH ARE EXPECTED. * IMPACTS...HIGH WINDS WILL PROVIDE AREAS OF CROSS WINDS PROVIDING POTENTIALLY DANGEROUS DRIVING CONDITIONS FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ C.BAKER
3 follow-up statements
831 WWUS75 KRIW 220424 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 924 PM MST FRI JAN 21 2011 ...HIGH WINDS EXPECTED ALONG AND NEAR THE EAST SLOPES OF THE ABSAROKA MOUNTAINS LATER THIS EVENING THROUGH 9 AM SATURDAY MORNING... .A STRONG UPPER TROUGH OF LOW PRESSURE WILL APPROACH THE AREA THIS EVENING WITH MOUNTAIN TOP WINDS INCREASING AND PUSHING DOWN THE EAST SLOPES OF THE ABSAROKA MOUNTAINS TONIGHT. THESE WINDS ARE EXPECTED TO EXCEED HIGH WIND THRESHOLDS AT TIMES TONIGHT INTO SATURDAY MORNING. WYZ003-221230- /O.CON.KRIW.HW.W.0004.000000T0000Z-110122T1600Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 924 PM MST FRI JAN 21 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST SATURDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST SATURDAY. * SUMMARY AND TIMING...WINDS WILL CONTINUE TO INCREASE THROUGH THE EVENING WITH OCCASIONAL HIGH WINDS DEVELOPING. THE PEAK HIGH WIND PERIOD IS EXPECTED FROM 11 PM THIS EVENING THROUGH 5 AM SATURDAY MORNING. WINDS WILL GRADUALLY DIMINISH AFTERWARDS. * WIND...WEST WINDS OF 40 MPH WITH GUSTS TO 65 MPH ARE EXPECTED NORTH OF CODY...THROUGH CLARK TO THE MONTANA BORDER ALONG HIGHWAY 120...ESPECIALLY BETWEEN MILE MARKERS 120 AND 122 NEAR CLARK. * IMPACTS...HIGH WINDS WILL PROVIDE CROSS WINDS ALONG HIGHWAY 120 PROVIDING POTENTIALLY DANGEROUS DRIVING CONDITIONS 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. && $$ WYZ002-221230- /O.CON.KRIW.HW.W.0004.000000T0000Z-110122T1600Z/ ABSAROKA MOUNTAINS- 924 PM MST FRI JAN 21 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST SATURDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST SATURDAY. * SUMMARY AND TIMING...WINDS WILL CONTINUE TO INCREASE THROUGH THE EVENING WITH OCCASIONAL HIGH WINDS DEVELOPING. THE PEAK HIGH WIND PERIOD IS EXPECTED FROM 11 PM THIS EVENING THROUGH 5 AM SATURDAY MORNING. WINDS WILL GRADUALLY DIMINISH AFTERWARDS. * WIND...WEST WINDS OF 50 MPH WITH GUSTS TO 75 MPH ARE EXPECTED. * IMPACTS...HIGH WINDS WILL PROVIDE AREAS OF CROSS WINDS PROVIDING POTENTIALLY DANGEROUS DRIVING CONDITIONS FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ AEM
631 WWUS75 KRIW 221104 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 404 AM MST SAT JAN 22 2011 ...HIGH WINDS EXPECTED ALONG AND NEAR THE EAST SLOPES OF THE ABSAROKA MOUNTAINS THROUGH 9 AM THIS MORNING... WYZ003-221600- /O.CON.KRIW.HW.W.0004.000000T0000Z-110122T1600Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 404 AM MST SAT JAN 22 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING. * SUMMARY AND TIMING...THE POTENTIAL FOR HIGH WINDS WILL CONTINUE THROUGH 9 AM THIS MORNING. CLARK REPORTED HIGH WINDS OVERNIGHT WITH WIND GUSTS UP NEAR 60 MPH. * WIND...WEST WINDS OF 40 MPH WITH GUSTS TO 65 MPH ARE EXPECTED NORTH OF CODY...THROUGH CLARK TO THE MONTANA BORDER ALONG HIGHWAY 120...ESPECIALLY BETWEEN MILE MARKERS 120 AND 122 NEAR CLARK. * IMPACTS...HIGH WINDS WILL PROVIDE CROSS WINDS ALONG HIGHWAY 120 PROVIDING POTENTIALLY DANGEROUS DRIVING CONDITIONS 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. && $$ WYZ002-221600- /O.CON.KRIW.HW.W.0004.000000T0000Z-110122T1600Z/ ABSAROKA MOUNTAINS- 404 AM MST SAT JAN 22 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING. * SUMMARY AND TIMING...THE POTENTIAL FOR HIGH WINDS WILL CONTINUE THROUGH 9 AM THIS MORNING. AN AUTOMATED WIND SENSOR NEAR THE TOP OF THE CHIEF JOSEPH HIGHWAY REPORTED WIND GUSTS NEAR 70 MPH OVERNIGHT. * WIND...WEST WINDS OF 50 MPH WITH GUSTS TO 75 MPH ARE EXPECTED. * IMPACTS...HIGH WINDS WILL PROVIDE AREAS OF CROSS WINDS PROVIDING POTENTIALLY DANGEROUS DRIVING CONDITIONS FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ SKRBAC
104 WWUS75 KRIW 221555 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 855 AM MST SAT JAN 22 2011 WYZ003-221700- /O.EXP.KRIW.HW.W.0004.000000T0000Z-110122T1600Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 855 AM MST SAT JAN 22 2011 ...HIGH WIND WARNING WILL EXPIRE AT 9 AM MST THIS MORNING... THE HIGH WIND WARNING WILL EXPIRE AT 9 AM MST THIS MORNING. THE THREAT FOR HIGH WIND HAS PASSED AND THUS THE WARNING WILL BE ALLOWED TO EXPIRE AT 9 AM. $$ WYZ002-221700- /O.EXP.KRIW.HW.W.0004.000000T0000Z-110122T1600Z/ ABSAROKA MOUNTAINS- 855 AM MST SAT JAN 22 2011 ...HIGH WIND WARNING WILL EXPIRE AT 9 AM MST THIS MORNING... THE HIGH WIND WARNING WILL EXPIRE AT 9 AM MST THIS MORNING. THE THREAT FOR HIGH WIND HAS PASSED AND THUS THE WARNING WILL BE ALLOWED TO EXPIRE AT 9 AM. $$
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 2:23 PM MST | Winter Weather Advisory | RIW | Big Horn, Fremont, Johnson, Lincoln, Natrona, Park and 3 more | 27 hr |
Nearby
High Wind Warnings in Wyoming, 2011Every high wind warning in 2011
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.