Alert archive / Wyoming / High Wind Warnings in 2010
High Wind Warning 21, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Dec 29, 2010, 4:03 AM MST for Fremont County, Natrona County, Sweetwater County, Wyoming. It was in force for 10 hr. 1 report 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
- Dec 29, 2010, 4:03 AM MST (11:03 UTC)
- Expired
- Dec 29, 2010, 2:13 PM MST
- In force
- 10 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Natrona County, WY, Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 65 km from the middle of the area, began a volume at 11:03 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 |
|---|---|---|---|
| Dec 29, 9:09 AM MST | SNOW 1 | 23 Nw Dubois, WY | BROOKS LAKE LODGE |
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 00:00Z, 11.1 hours before the alert went out and 62 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
- 2082 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
414 WWUS75 KRIW 291103 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 403 AM MST WED DEC 29 2010 ...VERY STRONG WINDS ARE EXPECTED ACROSS PORTIONS OF CENTRAL WYOMING TODAY... .A POWERFUL STORM SYSTEM WILL MOVE INTO THE INTERMOUNTAIN WEST TODAY. THIS SYSTEM WILL RESULT IN STRONG SOUTHWEST WINDS ALOFT. THESE VERY STRONG WINDS WILL MIX DOWN ACROSS THE BEAVER RIM TO CASPER AREA TODAY. WYZ019-020-291915- /O.UPG.KRIW.HW.A.0018.000000T0000Z-101230T0000Z/ /O.NEW.KRIW.HW.W.0021.101229T1103Z-101230T0100Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 403 AM MST WED DEC 29 2010 ...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 6 PM MST THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SOUTHWEST WINDS WILL REMAIN STRONG BUT ARE EXPECTED TO CONTINUE TO INCREASE IN SPEED TODAY. THE STRONGEST WINDS ARE EXPECTED FROM AROUND DAYBREAK THROUGH MID AFTERNOON TODAY. * WIND...SOUTH SOUTHWEST TO SOUTHWEST WINDS 30 TO 45 MPH...WITH GUSTS 60 TO 65 MPH ARE EXPECTED ALONG WITH ISOLATED HIGHER GUSTS OF 80 MPH. CASPER HAS ALREADY RECEIVED A WIND GUST OF 61 MPH FROM THE SOUTHWEST AT 4 AM THIS MORNING. * IMPACTS...STRONG WINDS MAY MAKE TRAVEL HAZARDOUS ALONG HIGHWAYS 287 AND 220 FROM BEAVER RIM TO NEAR MUDDY GAP TO CASPER. IN THE CASPER AREA...THE STRONGEST WINDS ARE EXPECTED TO BE ALONG WYOMING BOULEVARD ON THE SOUTHEAST SIDE OF CASPER WHERE SOME WIND GUSTS COULD REACH 80 MPH. 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. && $$
2 follow-up statements
453 WWUS75 KRIW 291910 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1210 PM MST WED DEC 29 2010 ...VERY STRONG WINDS ARE EXPECTED ACROSS PORTIONS OF CENTRAL WYOMING TODAY... .A POWERFUL STORM SYSTEM WILL MOVE INTO THE INTERMOUNTAIN WEST TODAY. THIS SYSTEM WILL RESULT IN STRONG SOUTHWEST WINDS ALOFT. THESE VERY STRONG WINDS WILL MIX DOWN ACROSS THE BEAVER RIM TO CASPER AREA TODAY. WYZ019-020-300100- /O.CON.KRIW.HW.W.0021.000000T0000Z-101230T0100Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 1210 PM MST WED DEC 29 2010 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING. * SUMMARY AND TIMING...SOUTHWEST WINDS WILL REMAIN STRONG THIS AFTERNOON. THE STRONGEST WINDS ARE EXPECTED THROUGH MID AFTERNOON TODAY. * WIND...SOUTH SOUTHWEST TO SOUTHWEST WINDS 30 TO 45 MPH...WITH GUSTS 60 TO 65 MPH ARE EXPECTED ALONG WITH ISOLATED HIGHER GUSTS OF 80 MPH. CASPER HAS BEEN RECEIVING WINDS OF 40 TO 45 MPH WITH GUSTS IN EXCESS OF 60 MPH THROUGHOUT THE MORNING HOURS. AREAS OF THE GREEN MOUNTAINS AND RATTLESNAKE RANGE HAVE ALSO SEEN WIND IN EXCESS OF 40 MPH WITH GUSTS TO AROUND 60 MPH TODAY. * IMPACTS...STRONG WINDS MAY MAKE TRAVEL HAZARDOUS ALONG HIGHWAYS 287 AND 220 FROM BEAVER RIM TO NEAR MUDDY GAP TO CASPER. IN THE CASPER AREA...THE STRONGEST WINDS ARE EXPECTED TO BE ALONG WYOMING BOULEVARD ON THE SOUTHEAST SIDE OF CASPER WHERE SOME WIND GUSTS COULD REACH 80 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
868 WWUS75 KRIW 292113 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 213 PM MST WED DEC 29 2010 ...WIND SPEEDS ARE LOWERING ACROSS THE AREA... WYZ019-020-292215- /O.CAN.KRIW.HW.W.0021.000000T0000Z-101230T0100Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 213 PM MST WED DEC 29 2010 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. $$
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 5:41 PM MST | High Wind Watch | RIW | Fremont, Natrona, Sweetwater | 10 hr |
| Dec 29, 4:39 AM MST | Winter Storm Watch | RIW | Fremont, Hot Springs, Natrona, Sublette, Sweetwater | 10 hr |
Nearby
High Wind Warnings in Wyoming, 2010Every high wind warning in 2010
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.