Alert archive / Wyoming / Tornado Warnings in 2010
Tornado Warning 3, NWS Riverton, WY
NWS Riverton, WY issued this tornado warning at Jun 22, 2010, 4:15 PM MDT for Johnson County, Natrona County, Wyoming. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 22, 2010, 4:15 PM MDT (22:15 UTC)
- Expired
- Jun 22, 2010, 4:30 PM MDT
- In force
- 15 min
- Issued by
- NWS Riverton, WY
- Area
- Storm-based polygon
Counties Johnson County, WY, Natrona County, WY
The radar
The Riverton/Lander radar (KRIW), 196 km from the middle of the area, began a volume at 22:14 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 22, 1:18 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 10.3 hours before the alert went out and 190 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
- 113 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 1649 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
003
WFUS55 KRIW 222215
TORRIW
WYC019-025-222230-
/O.NEW.KRIW.TO.W.0003.100622T2215Z-100622T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RIVERTON WY
415 PM MDT TUE JUN 22 2010
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN JOHNSON COUNTY IN NORTH CENTRAL WYOMING...
NORTHEASTERN NATRONA COUNTY IN CENTRAL WYOMING...
* UNTIL 430 PM MDT
* AT 409 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR I25 EXIT 223...OR 28 MILES SOUTHEAST OF
KAYCEE...AND MOVING NORTHEAST AT 55 MPH. THIS STORM WILL ALSO
PRODUCE UP TO GOLFBALL SIZE HAIL AND 60 MPH WINDS.
* THIS DANGEROUS STORM WILL BE NEAR...
EDGERTON AROUND 420 PM MDT.
STATE HWY 387 MILE MARKER 110 AROUND 425 PM MDT.
THIS INCLUDES INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 223 AND
230.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN
RIVERTON AT 1-800-211-1448.
LAT...LON 4349 10604 4348 10607 4347 10606 4337 10606
4326 10634 4342 10646 4360 10603 4360 10602
4350 10602
TIME...MOT...LOC 2215Z 241DEG 46KT 4339 10628
$$
SKRBAC1 follow-up statement
093
WWUS55 KRIW 222229
SVSRIW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
429 PM MDT TUE JUN 22 2010
WYC019-025-222238-
/O.EXP.KRIW.TO.W.0003.000000T0000Z-100622T2230Z/
NATRONA WY-JOHNSON WY-
429 PM MDT TUE JUN 22 2010
...THE TORNADO WARNING FOR SOUTHEASTERN JOHNSON AND NORTHEASTERN
NATRONA COUNTIES WILL EXPIRE AT 430 PM MDT...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN
RIVERTON AT 1-800-211-1448.
LAT...LON 4349 10604 4348 10607 4347 10606 4337 10606
4326 10634 4342 10646 4360 10603 4360 10602
4350 10602
TIME...MOT...LOC 2228Z 241DEG 46KT 4347 10608
$$
SKRBACWhat forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Jun 22, 1:26 PM MDT, 2 hours 49 minutes earlier.
Area forecast discussion, Jun 22, 1:26 PM MDT, 2 hours 49 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 126 PM MDT TUE JUN 22 2010 SHORT TERM...TONIGHT THROUGH FRIDAY STRONG CIRCULATION STILL SEEN ON WATER VAPOR MOVG INTO SERN ID ATTM WITH BAND OF SHOWERS MOVING ACROSS THE WEST AND BEGINNING TO MOVE INTO CENTRAL WYO. INCREASING INSTABILITY AHEAD OF THIS FEATURE IS ALLOWING FOR STRONG THUNDERSTORMS WITH HAIL UP TO NICKEL SIZE REPORTED SO FAR. LAPS ANALYSIS INDICATES HIGHER CAPE EAST OF THE DIVIDE WITH POTENTIAL FOR SVR STORMS IF CAP BREAKS IN THE NEXT COUPLE HOURS. 18Z SOUNDINGS IS VERY UNSTABLE WITH NEARLY 2000 J/KG AND JUST A SMALL CAP. SPC JUST ISSUED A SVR TSTM WATCH FOR MOST OF OUR ERN ZONES THROUGH 8 PM MDT. WEDNESDAY WILL BE DRY AND WARMER WITH A SHORT PERIOD OF RIDGING. THE WARMING CONTINUES INTO THURSDAY WITH A WEAK WAVE PASSING ACROSS THE NORTH. TEMPERATURES WILL BE QUITE WARM WITH 80S TO AROUND 90 EAST OF THE DIVIDE AND MAINLY 70S WEST WITH MIN RH'S TEENS EAST AND SW WITH 20S TO LOWER 30S NORTH AND NW. MORE SIGNIFICANT TROUGH MOVES INTO THE WEST ON THURSDAY AND THEN INTO IDAHO ON FRIDAY ABOUT 6 HOURS SLOWER THAN OUR CURRENT SYSTEM MOVING THROUGH. MAIN ACTION RIGHT NOW WOULD BE THE NW THIRD BASED ON THIS TIMING BUT THIS WILL HAVE TO BE WATCHED. COULD BE ANOTHER ACTIVE DAY FOR AT LEAST PART OF THE AREA FRIDAY WITH A FEW STORMS MOVING INTO THE WEST THURSDAY NIGHT. LONG TERM...FRIDAY NIGHT THROUGH TUESDAY MEDIUM RANGE MODELS ARE IN DECENT AGREEMENT WITH A WEAK TROUGH MOVING ACROSS THE ROCKIES FRIDAY NIGHT/SATURDAY...WITH THE ASSOCIATED COLD FRONT MOVING ACROSS THE FORECAST AREA LATE FRIDAY/FRIDAY NIGHT. THESE FEATURES WILL ENHANCE CONVECTION CHANCES FRIDAY AND SATURDAY...ESPECIALLY OVER THE NORTHWEST AND NORTHERN SECTIONS OF THE FORECAST AREA...BUT ALL OF THE AREA COULD SEE SOME CONVECTION. TIMING/LOCATION DIFFERENCES IN MODELS PROHIBIT HITTING IN ONE AREA REAL HARD AT THIS TIME. WOULD NOT BE SURPRISED TO SEE SOME STRONG/SEVERE CONVECTION WITH THIS SYSTEM AS GFS IS NOW SHOWING A SLIGHTLY UNSTABLE ATMOSPHERE WITH HIGH LEVEL TOTALS BETWEEN 30 TO 35 ESPECIALLY OVER NORTHERN/EASTERN WYOMING. IN WAKE OF THIS WEAK TROUGH...MEDIUM RANGE MODELS ARE TRENDING TOWARD A STRONG RIDGE DEVELOPING OVER THE PLAINS...WITH A STRONG TROUGH OFF THE PACIFIC NORTHWEST/BRITISH COLUMBIA COASTS EARLY NEXT WEEK. THIS SHOULD RESULT IN MAINLY DRY CONDITIONS AND WARMING TEMPERATURES...WITH THE HOTTEST TEMPERATURES SO FAR THIS YEAR POSSIBLE MONDAY AND TUESDAY...AS BOTH THE 00Z ECMWF AND GFS SHOW 700MB TEMPERATURES BETWEEN 15 AND 19 DEG CELSIUS. AVIATION... A BAND OF THUNDERSTORMS WILL BE TRACKING EAST NORTHEAST ACROSS CENTRAL AND EASTERN WYOMING FOR THE REMAINDER OF THIS AFTERNOON. SOME OF THESE STORMS WILL HAVE THE POTENTIAL FOR PRODUCING LARGE HAIL AND DAMAGING WINDS...ESPECIALLY IN THE NORTHERN BIG HORN BASIN...THE BIG HORN MOUNTAINS...JOHNSON AND NORTHEAST NATRONA COUNTIES. EXPECT SCATTERED MVFR AND ISOLATED IFR CONDITIONS WITH THESE STORMS. HIGH PRESSURE SURFACE AND ALOFT WILL BUILD INTO THE AREA LATER TONIGHT FOR VFR CONDITIONS LATER THIS EVENING THROUGH WEDNESDAY. FIRE WEATHER... ANOTHER WEATHER DISTURBANCE WILL MOVE EAST NORTHEAST ACROSS THE AREA INTO THE EVENING HOURS WITH WIDELY SCATTERED TO SCATTERED THUNDERSTORM COVERAGE AND ADDITIONAL SHOWERS. GUSTY WIND AND LIGHTNING WILL BE THE MAIN THREAT ACROSS THE WEST WHILE FURTHER EAST STORMS WILL BE STRONG IF NOT SEVERE WITH LARGE HAIL...DAMAGING WIND...HEAVY RAIN AND FREQUENT LIGHTNING. WEDNESDAY WILL BE DRY AND WARMER WITH MIN RH'S IN THE TEENS FROM FREMONT COUNTY INTO THE RED DESERT AND UPPER GREEN WITH 20S FURTHER NORTH. THURSDAY WILL BE VERY WARM TO HOT WITH MIN RH'S IN THE TEENS EAST OF THE DIVIDE AND SOME TEENS WEST. && .RIW WATCHES/WARNINGS/ADVISORIES...SEVERE THUNDERSTORM WATCH UNTIL 8 PM MDT FOR FREMONT...NATRONA...HOT SPRINGS...WASHAKIE...BIG HORN AND JOHNSON COUNTIES. && SHORT TERM...SKRBAC LONG TERM...WM AVIATION...LIPSON FIRE WEATHER...SKRBAC
Hazardous weather outlook, Jun 22, 1:45 PM MDT, 2 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 145 PM MDT TUE JUN 22 2010 WYZ001>020-022>030-231200- ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST- BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS- EAST SWEETWATER COUNTY-FLAMING GORGE- GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS- NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN- NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS- ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES- SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN- SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY- TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN- UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN- WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST- YELLOWSTONE NATIONAL PARK- 145 PM MDT TUE JUN 22 2010 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT THROUGH 8 PM FOR FREMONT...NATRONA...JOHNSON...BIG HORN...WASHAKIE AND HOT SPRINGS COUNTIES... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EARLY EVENING. THE MOST INTENSE THUNDERSTORMS ARE EXPECTED TO BE EAST OF THE DIVIDE...WITH LARGE HAIL...DAMAGING WINDS AND HEAVY RAINFALL POSSIBLE. THE MAJORITY OF STREAMS AND RIVERS WILL REMAIN HIGH ACROSS THE AREA AS SEASONAL SNOWMELT CONTINUES. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE FRIDAY AND SATURDAY AS A STORM SYSTEM MOVES ACROSS THE AREA. SOME OF THE STORMS FRIDAY AND...OR SATURDAY COULD BE STRONG TO SEVERE... ESPECIALLY OVER THE NORTH AND EAST. THE MAJORITY OF STREAMS AND RIVERS WILL REMAIN HIGH ACROSS THE AREA AS SEASONAL SNOWMELT CONTINUES. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT HAIL SIZE AND WIND SPEED GREATER THAN 40 MPH. THANK YOU. TEAM RIVERTON
In the hours before
Special weather statement, Jun 22, 2:42 PM MDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 242 PM MDT TUE JUN 22 2010 WYZ015>018-222130- LANDER FOOTHILLS WY-UPPER WIND RIVER BASIN WY-WIND RIVER BASIN WY-WIND RIVER MOUNTAINS EAST WY- 242 PM MDT TUE JUN 22 2010 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL FREMONT COUNTY UNTIL 330 PM MDT... AT 230 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 13 MILES SOUTHWEST OF BULL LAKE TO 6 MILES EAST OF DICKINSON PARK...AND MOVING EAST AT 30 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS. THESE STORMS WILL BE NEAR...MILFORD AND FORT WASHAKIE AROUND 245 PM MDT...LANDER AROUND 250 PM MDT...HWY JCT 287 AND 26 AROUND 255 PM MDT...ETHETE AROUND 300 PM MDT. HUDSON AROUND 305 PM MDT. MORTON AND PILOT BUTTE RESERVOIR AROUND 315 PM MDT AND KINNEAR AROUND 320 PM MDT. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT TUESDAY EVENING FOR NORTH CENTRAL WYOMING. REPORT HAZARDOUS WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN RIVERTON AT 1-800-211-1448. LAT...LON 4331 10858 4292 10817 4275 10889 4313 10930 TIME...MOT...LOC 2040Z 251DEG 27KT 4309 10910 4285 10884 LIPSON
Special weather statement, Jun 22, 2:58 PM MDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 258 PM MDT TUE JUN 22 2010 WYZ009-011-222145- BIGHORN MOUNTAINS SOUTHEAST WY-SOUTHEAST JOHNSON COUNTY WY- 258 PM MDT TUE JUN 22 2010 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL JOHNSON AND EXTREME EASTERN WASHAKIE COUNTIES UNTIL 345 PM MDT... AT 255 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12 MILES SOUTHWEST OF MAYOWORTH...OR 17 MILES WEST OF KAYCEE...MOVING NORTHEAST AT 20 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM. THIS STORM WILL BE NEAR... STATE HWY 191 MILE MARKER 10 AND MAYOWORTH AROUND 335 PM MDT. I25 MILE MARKER 260 AT 345 PM MDT. THIS INCLUDES INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 257 AND 276. THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT TUESDAY EVENING FOR NORTH CENTRAL WYOMING. REPORT HAZARDOUS WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN RIVERTON AT 1-800-211-1448. LAT...LON 4405 10660 4382 10640 4360 10701 4375 10714 TIME...MOT...LOC 2057Z 237DEG 16KT 4372 10697 BERC
Special weather statement, Jun 22, 2:59 PM MDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
259 PM MDT TUE JUN 22 2010
WYZ009>011-222145-
BIGHORN MOUNTAINS SOUTHEAST WY-NORTHEAST JOHNSON COUNTY WY-SOUTHEAST
JOHNSON COUNTY WY-
259 PM MDT TUE JUN 22 2010
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN JOHNSON COUNTY UNTIL 345
PM MDT...
AT 255 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES NORTHWEST OF STATE HWY 196 MILE MARKER
290...OR 8 MILES SOUTHWEST OF BUFFALO...MOVING NORTHEAST AT 20 MPH.
HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.
THIS STORM WILL BE NEAR...
I25 MILE MARKER 290 AROUND 305 PM MDT.
U.S. HWY 16 MILE MARKER 90 AROUND 310 PM MDT.
BUFFALO AROUND 315 PM MDT.
JOHNSON COUNTY FAIRGROUNDS...JCT I90 AND I25 AND I90 EXIT 53 AROUND
320 PM MDT.
I90 MILE MARKER 60 AROUND 325 PM MDT. U.S. HWY 16 AROUND 340 PM
MDT.
THIS INCLUDES INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 290 AND
299.
THIS INCLUDES INTERSTATE 90 IN WYOMING BETWEEN MILE MARKERS 51 AND
67.
THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN
EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV
STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT
TUESDAY EVENING FOR NORTH CENTRAL WYOMING.
REPORT HAZARDOUS WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN
RIVERTON AT 1-800-211-1448.
LAT...LON 4413 10680 4428 10695 4457 10660 4457 10652
4441 10631
TIME...MOT...LOC 2059Z 233DEG 19KT 4426 10678
BERCSpecial weather statement, Jun 22, 3:16 PM MDT, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 316 PM MDT TUE JUN 22 2010 WYZ017-222200- WIND RIVER BASIN WY- 316 PM MDT TUE JUN 22 2010 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL FREMONT COUNTY UNTIL 400 PM MDT... AT 311 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6 MILES SOUTHEAST OF KINNEAR...OR 9 MILES NORTHWEST OF RIVERTON...MOVING EAST AT 30 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH FREQUENT DANGEROUS LIGHTNING. THIS STORM WILL BE NEAR... U.S. HWY 26 MILE MARKER 130 AND RIVERTON AROUND 325 PM MDT... FREMONT COUNTY FAIRGROUNDS AROUND 330 PM MDT. HIDDEN VALLEY AROUND 345 PM MDT...AND SHOSHONI AROUND 400 PM MDT. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT TUESDAY EVENING FOR NORTH CENTRAL WYOMING. REPORT HAZARDOUS WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN RIVERTON AT 1-800-211-1448. LAT...LON 4328 10794 4304 10789 4299 10866 4317 10870 TIME...MOT...LOC 2114Z 261DEG 28KT 4309 10855 LIPSON
Special weather statement, Jun 22, 3:31 PM MDT, 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 331 PM MDT TUE JUN 22 2010 WYZ009>011-222215- BIGHORN MOUNTAINS SOUTHEAST WY-NORTHEAST JOHNSON COUNTY WY-SOUTHEAST JOHNSON COUNTY WY- 331 PM MDT TUE JUN 22 2010 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL JOHNSON COUNTY UNTIL 415 PM MDT... AT 325 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11 MILES SOUTHEAST OF U.S. HWY 16 MILE MARKER 60...OR 25 MILES NORTHWEST OF KAYCEE...MOVING NORTHEAST AT 20 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM. THIS STORM WILL BE NEAR... STATE HWY 196 MILE MARKER 280 AROUND 400 PM MDT. I25 EXIT 280 AROUND 410 PM MDT. STATE HWY 196 MILE MARKER 290 AND I25 MILE MARKER 290 AROUND 415 PM MDT. THIS INCLUDES INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 278 AND 296. THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT TUESDAY EVENING FOR NORTH CENTRAL WYOMING. REPORT HAZARDOUS WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN RIVERTON AT 1-800-211-1448. LAT...LON 4433 10668 4414 10645 4389 10691 4402 10708 TIME...MOT...LOC 2130Z 228DEG 16KT 4402 10690 BERC
Special weather statement, Jun 22, 3:45 PM MDT, 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 345 PM MDT TUE JUN 22 2010 WYZ019-020-222230- GREEN MOUNTAINS AND RATTLESNAKE RANGE WY-NATRONA COUNTY LOWER ELEVATIONS WY- 345 PM MDT TUE JUN 22 2010 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN NATRONA COUNTY UNTIL 430 PM MDT... AT 341 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6 MILES WEST OF U.S. HWY 220 MILE MARKER 70...OR 35 MILES EAST OF JEFFREY CITY...MOVING NORTHEAST AT 20 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH FREQUENT DANGEROUS LIGHTNING. THIS STORM WILL BE NEAR... U.S. HWY 220 MILE MARKER 70 AROUND 350 PM MDT. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT TUESDAY EVENING FOR NORTH CENTRAL WYOMING. REPORT HAZARDOUS WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN RIVERTON AT 1-800-211-1448. LAT...LON 4291 10690 4272 10669 4247 10716 4261 10732 TIME...MOT...LOC 2145Z 230DEG 17KT 4260 10714 LIPSON
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 11:46 AM MDT | Special Weather Statement | RIW | 44 min | |
| Jun 22, 11:56 AM MDT | Special Weather Statement | RIW | 49 min | |
| Jun 22, 11:58 AM MDT | Special Weather Statement | RIW | Fremont | 47 min |
| Jun 22, 12:35 PM MDT | Special Weather Statement | RIW | Park | 40 min |
| Jun 22, 12:48 PM MDT | Special Weather Statement | RIW | 57 min | |
| Jun 22, 12:56 PM MDT | Special Weather Statement | RIW | 49 min | |
| Jun 22, 1:22 PM MDT | Special Weather Statement | RIW | Fremont | 38 min |
| Jun 22, 1:28 PM MDT | Special Weather Statement | RIW | Sublette | 47 min |
| Jun 22, 1:47 PM MDT | Special Weather Statement | RIW | Hot Springs | 43 min |
| Jun 22, 1:56 PM MDT | Special Weather Statement | RIW | Big Horn | 49 min |
| Jun 22, 2:00 PM MDT | Special Weather Statement | RIW | Fremont | 45 min |
| Jun 22, 2:19 PM MDT | Special Weather Statement | RIW | 41 min | |
| Jun 22, 2:23 PM MDT | Special Weather Statement | RIW | Big Horn | 52 min |
| Jun 22, 2:39 PM MDT | Special Weather Statement | RIW | Hot Springs | 51 min |
| Jun 22, 2:42 PM MDT | Special Weather Statement | RIW | Fremont | 48 min |
| Jun 22, 2:42 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Natrona | 63 min |
| Jun 22, 2:58 PM MDT | Special Weather Statement | RIW | Johnson | 47 min |
| Jun 22, 2:59 PM MDT | Special Weather Statement | RIW | Johnson | 46 min |
| Jun 22, 3:07 PM MDT | Tornado Warning | RIW | Natrona | 38 min |
| Jun 22, 3:16 PM MDT | Special Weather Statement | RIW | Fremont | 44 min |
| Jun 22, 3:31 PM MDT | Special Weather Statement | RIW | Johnson | 44 min |
| Jun 22, 3:40 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 34 min |
| Jun 22, 3:42 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 48 min |
| Jun 22, 3:45 PM MDT | Special Weather Statement | RIW | Natrona | 45 min |
| Jun 22, 4:03 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 42 min |
| Jun 22, 4:06 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Natrona | 39 min |
| Jun 22, 4:30 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 30 min |
| Jun 22, 4:47 PM MDT | Special Weather Statement | RIW | Natrona | 43 min |
| Jun 22, 5:03 PM MDT | Special Weather Statement | RIW | Johnson | 27 min |
Nearby
Tornado Warnings in Wyoming, 2010Every tornado warning in 2010Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.