Alert archive / Wyoming / High Wind Warnings in 2016
High Wind Warning 18, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Oct 3, 2016, 2:42 AM MDT for 4 counties in Wyoming. It took effect at Oct 3, 2016, 12:00 PM MDT. It was in force for 12 hr. 2 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 3, 2016, 2:42 AM MDT (08:42 UTC)
- In effect from
- Oct 3, 2016, 12:00 PM MDT
- Expired
- Oct 4, 2016, 12:00 AM MDT
- In force
- 12 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Lincoln County, WY, Natrona County, WY, Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 68 km from the middle of the area, began a volume at 08:44 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 3, 7:10 PM MDT | NON-TSTM WND DMG | 2 S Casper, WY | REPORT OF ROOF DAMAGE TO A CHURCH. |
| Oct 3, 8:20 PM MDT | NON-TSTM WND GST 61 | 6 Wsw Bar Nunn, WY | CASPER AIRPORT. |
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, 8.7 hours before the alert went out and 71 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
- 12 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 2014 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
693 WWUS75 KRIW 030842 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 242 AM MDT MON OCT 3 2016 ...HIGH WINDS EXPECTED ACROSS SOUTHERN LINCOLN...SWEETWATER... SOUTHERN FREMONT AND NATRONA COUNTIES TODAY... .AN INCOMING PACIFIC STORM SYSTEM WILL SIGNIFICANTLY INCREASE THE PRESSURE GRADIENT ACROSS SOUTHWEST WYOMING INTO CENTRAL WYOMING... OVER SOUTHERN LINCOLN...SWEETWATER...SOUTHERN FREMONT...AND NATRONA COUNTIES. THIS INCREASED PRESSURE GRADIENT WILL LEAD TO THE DEVELOPMENT OF VERY STRONG WIND LATE THIS MORNING...WHICH WILL CONTINUE THROUGH THE EARLY EVENING HOURS. EVEN WITH EXPECTED COOLER TEMPERATURES...OUTDOOR BURNING IS STRONGLY DISCOURAGED. WYZ019-020-032300- /O.UPG.KRIW.HW.A.0010.161003T1800Z-161004T0600Z/ /O.NEW.KRIW.HW.W.0018.161003T1800Z-161004T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 242 AM MDT MON OCT 3 2016 ...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...WINDS WILL INCREASE AROUND NOON WITH STRONG WIND CONTINUING INTO THE EVENING HOURS. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...HIGH WINDS WILL MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE TRAILERS ACROSS INTERSTATE 25 AND HIGHWAYS 287...26 AND 220. 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. && $$ WYZ027>030-032300- /O.UPG.KRIW.HW.A.0010.161003T1800Z-161004T0600Z/ /O.NEW.KRIW.HW.W.0018.161003T1800Z-161004T0300Z/ SOUTH LINCOLN COUNTY-ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE- EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE...ROCK SPRINGS... GREEN RIVER...WAMSUTTER 242 AM MDT MON OCT 3 2016 ...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...WINDS WILL INCREASE AROUND NOON WITH STRONG WIND CONTINUING INTO THE EVENING HOURS. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...HIGH WINDS WILL MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE TRAILERS ACROSS INTERSTATE 80 AND HIGHWAYS 191...28 AND 430. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
3 follow-up statements
042 WWUS75 KRIW 032055 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 255 PM MDT MON OCT 3 2016 ...HIGH WINDS EXPECTED ACROSS SOUTHERN LINCOLN...SWEETWATER... SOUTHERN FREMONT AND NATRONA COUNTIES THIS EVENING... .AN INCOMING PACIFIC STORM SYSTEM WILL SIGNIFICANTLY INCREASE THE PRESSURE GRADIENT ACROSS SOUTHWEST WYOMING INTO CENTRAL WYOMING... OVER SOUTHERN LINCOLN...SWEETWATER...SOUTHERN FREMONT...AND NATRONA COUNTIES. THIS INCREASED PRESSURE GRADIENT WILL LEAD TO THE DEVELOPMENT OF VERY STRONG WIND...WHICH WILL CONTINUE THROUGH THE EVENING HOURS. EVEN WITH EXPECTED COOLER TEMPERATURES...OUTDOOR BURNING IS STRONGLY DISCOURAGED. WYZ019-020-040300- /O.CON.KRIW.HW.W.0018.000000T0000Z-161004T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 255 PM MDT MON OCT 3 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * TIMING...STRONG WIND CONTINUING INTO THE EVENING HOURS. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...HIGH WINDS WILL MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE TRAILERS ACROSS INTERSTATE 25 AND HIGHWAYS 287...26 AND 220. 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. && $$ WYZ027>030-040300- /O.CON.KRIW.HW.W.0018.000000T0000Z-161004T0300Z/ SOUTH LINCOLN COUNTY-ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE- EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE...ROCK SPRINGS... GREEN RIVER...WAMSUTTER 255 PM MDT MON OCT 3 2016 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * TIMING...STRONG WIND CONTINUING INTO THE EVENING HOURS. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...HIGH WINDS WILL MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE TRAILERS ACROSS INTERSTATE 80 AND HIGHWAYS 191...28 AND 430. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
012 WWUS75 KRIW 040206 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 806 PM MDT MON OCT 3 2016 ...HIGH WINDS EXPECTED ACROSS SOUTHERN FREMONT AND NATRONA COUNTIES THIS EVENING... WYZ027>030-040315- /O.CAN.KRIW.HW.W.0018.000000T0000Z-161004T0300Z/ SOUTH LINCOLN COUNTY-ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE- EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE...ROCK SPRINGS... GREEN RIVER...WAMSUTTER 806 PM MDT MON OCT 3 2016 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. THE WIND SPEEDS HAVE DROPPED TO 25 TO 35 WITH GUSTS TO 45 MPH. HIGH WIND CONDITIONS ARE NOT EXPECTED THE REST OF THE EVENING. THEREFORE...THE HIGH WIND WARNING HAS BEEN CANCELLED. $$ WYZ019-020-040600- /O.EXT.KRIW.HW.W.0018.000000T0000Z-161004T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 806 PM MDT MON OCT 3 2016 ...HIGH WIND WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...STRONG WIND AT TIMES UNTIL MIDNIGHT. * WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...HIGH WINDS WILL MAKE TRAVEL DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE TRAILERS ACROSS INTERSTATE 25 AND HIGHWAYS 287...26 AND 220. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
614 WWUS75 KRIW 040541 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1141 PM MDT MON OCT 3 2016 WYZ019-020-040645- /O.EXP.KRIW.HW.W.0018.000000T0000Z-161004T0600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 1141 PM MDT MON OCT 3 2016 ...HIGH WIND WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT... WIND SPEEDS HAVE DECREASED IN MOST LOCATIONS. THEREFORE THE HIGH WIND WARNING WILL BE ALLOWED TO EXPIRE AT MIDNIGHT. EXPECT A WEST TO SOUTHWEST WIND OF 15 TO 25 MPH OVERNIGHT. $$
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 2, 6:06 PM MDT | Special Weather Statement | RIW | Johnson | 24 min |
| Oct 2, 8:15 PM MDT | Special Weather Statement | RIW | Hot Springs | 45 min |
| Oct 2, 8:33 PM MDT | Special Weather Statement | RIW | Johnson | 42 min |
| Oct 2, 8:50 PM MDT | Special Weather Statement | RIW | Big Horn | 40 min |
| Oct 2, 9:28 PM MDT | Special Weather Statement | RIW | Big Horn | 32 min |
| Oct 3, 2:01 AM MDT | Special Weather Statement | RIW | Sweetwater | 29 min |
| Oct 3, 2:29 AM MDT | Special Weather Statement | RIW | Sweetwater | 31 min |
| Oct 3, 3:36 AM MDT | Special Weather Statement | RIW | 39 min | |
| Oct 3, 4:21 AM MDT | Special Weather Statement | RIW | Fremont | 54 min |
| Oct 3, 4:34 AM MDT | Special Weather Statement | RIW | 26 min | |
| Oct 3, 6:26 AM MDT | Special Weather Statement | RIW | Big Horn, Washakie | 49 min |
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.