Summer weather alerts for 2011 (First post Highway Cams) (Sheridan, Veteran: homes, college)
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FLOOD WATCH
NATIONAL WEATHER SERVICE BILLINGS MT
335 PM MDT TUE MAY 17 2011
.A STRONG LOW PRESSURE SYSTEM WILL MOVE SLOWLY NORTH THROUGH
WYOMING THURSDAY THROUGH SUNDAY. THIS SYSTEM WILL PRODUCE HEAVY
RAINFALL OVER THE REGION. THIS RAINFALL WILL FALL ON ALREADY
SATURATED GROUND AND MAY RESULT IN FLOODING ACROSS THE AREA.
MTC003-009-011-017-025-037-065-067-075-087-095-097-103-107-111-
WYC033-182145-
/O.NEW.KBYZ.FA.A.0002.110519T1200Z-110523T0000Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z. OO/
BIG HORN-CARBON-CARTER-CUSTER-FALLON-GOLDEN VALLEY-MUSSELSHELL-
PARK-POWDER RIVER-ROSEBUD-STILLWATER-SWEET GRASS-TREASURE-
WHEATLAND-YELLOWSTONE-SHERIDAN-
INCLUDING THE CITIES OF...HARDIN...CROW AGENCY...RED LODGE...
BRIDGER...JOLIET...EKALAKA...MILES CITY...BAKER...RYEGATE...
LAVINA...ROUNDUP...LIVINGSTON...BROADUS...COLSTRIP ...LAME DEER...
FORSYTH...COLUMBUS...ABSAROKEE...BIG TIMBER...HYSHAM...
HARLOWTON...BILLINGS...SHERIDAN
335 PM MDT TUE MAY 17 2011
...FLOOD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH SUNDAY
AFTERNOON...
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A
* FLOOD WATCH FOR PORTIONS OF MONTANA AND NORTH CENTRAL
WYOMING...INCLUDING THE FOLLOWING COUNTIES...IN MONTANA...BIG
HORN...CARBON...CARTER...CUSTER...FALLON...GOLDEN VALLEY...
MUSSELSHELL...PARK...POWDER RIVER...ROSEBUD...STILLWATER...
SWEET GRASS...TREASURE...WHEATLAND AND YELLOWSTONE. IN NORTH
CENTRAL WYOMING...SHERIDAN.
* FROM THURSDAY MORNING THROUGH SUNDAY AFTERNOON
* BETWEEN 2 TO 4 INCHES OF RAINFALL WILL BE POSSIBLE WITH THIS
STORM SYSTEM WITH LOCALLY HIGHER AMOUNTS POSSIBLE.
* STREAMS AND CREEKS WILL RISE QUICKLY UNDER AREAS OF HEAVY RAIN.
RAINFALL OVER THE NORTH FACING SLOPES OF THE
BEARTOOTH/ABSAROKA/CRAZY AND NORTHEAST BIG HORN MOUNTAINS COULD
POSSIBLY CAUSE AREA RIVERS TO RISE RAPIDLY. RESIDENTS NEAR
STREAMS AND RIVERS SHOULD REMAIN ALERT FOR POSSIBLE FLOODING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
Flood warning
national weather service cheyenne wy
1127 am mdt tue may 17 2011
...the national weather service in cheyenne has issued a flood
warning for the following rivers in wyoming...
Little snake river near savery affecting carbon county
significant snowmelt due to recent warm temperatures and rainfall has
increased river levels the past few days. As of this morning...the emergency
manager reported the river at bankfull with minor flooding in low lying areas.
A storm system moving into the region this week will bring moderate rain
and snowfall to the area which will likely cause additional rises in
the water levels wednesday through friday. The worst conditions are expected
between dixon and baggs. The water levels in the river will remain high through
june as additional water will be moving into the little snake river due
to snowmelt in the mountains of southeast wyoming.
Precautionary/preparedness actions...
Low-lying areas and secondary roads may be flooded. Do not walk...
Ride bicycles...or drive into areas where water covers the ground.
Graphical forecasts are available at:
http:///water.weather.gov/ahps2/index.php?wfo=cys (broken link) (all lower case)
the next statement will be issued this evening.
&&
wyc007-181727-
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/lsdw4.3.er.000000t0000z.000000t0000z.000000t0000z. nr/
1127 am mdt tue may 17 2011
the national weather service in cheyenne has issued a
* flood warning for
the little snake river near savery.
* until further notice.
* at 1015 am tuesday the stage was 7.2 feet.
* flood stage is 7.5 feet.
* forecast...the river will be between 7.2 and 7.5 feet through the week.
* impact...at 7.0 feet...low lying flooding intensifies and becomes
more widespread downstream in the town of baggs. Flood wave travel
time to baggs is appx 8 hours. Minor low land agricultural flooding
becomes more widespread from savery to baggs.
* impact...at 6.5 feet...bankfull stage. Water over low lying areas
along right and left banks. Minor flooding expected downstream in
the town of baggs. Peak flow travel time to baggs is appx 8 hours.
River may come out of its banks from savery to baggs.
* flood history...this crest compares to a previous crest of 7.1 feet
on may 22 2008.
Flash flood watch for NE Wyoming and the Black Hills
...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 6 AM MDT THURSDAY THROUGH FRIDAY AFTERNOON...
THE FLASH FLOOD WATCH CONTINUES FOR
* PORTIONS OF SOUTH DAKOTA AND NORTHEAST WYOMING...INCLUDING THE FOLLOWING AREAS...IN SOUTH DAKOTA...BUTTE...CENTRAL BLACK HILLS...CUSTER CO PLAINS...FALL RIVER...HARDING...HERMOSA FOOT HILLS...NORTHERN BLACK HILLS...NORTHERN FOOT HILLS...NORTHERN MEADE CO PLAINS...PENNINGTON CO PLAINS...PERKINS...RAPID CITY...SHANNON...SOUTHERN BLACK HILLS...SOUTHERN FOOT HILLS... SOUTHERN MEADE CO PLAINS AND STURGIS/PIEDMONT FOOT HILLS. IN NORTHEAST WYOMING...NORTHEASTERN CROOK...NORTHERN CAMPBELL... SOUTHERN CAMPBELL...WESTERN CROOK...WESTON AND WYOMING BLACK HILLS.
* FROM 6 AM MDT THURSDAY THROUGH FRIDAY AFTERNOON
* A SLOW MOVING UPPER LEVEL LOW PRESSURE SYSTEM MOVING OVER THE AREA HAS THE POTENTIAL TO PRODUCE AREAS OF VERY HEAVY RAIN ACROSS NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA THURSDAY MORNING THROUGH FRIDAY AFTERNOON. THE TIMING OF THIS SYSTEM HAS SLOWED A BIT...WITH THE ONSET OF WIDESPREAD HEAVY RAIN NOT OCCURRING UNTIL EARLY THURSDAY MORNING. THIS SLOW MOVING SYSTEM WILL LIKELY PRODUCE 2 TO 4 INCHES OF RAINFALL BY LATE FRIDAY...WITH THE BULK OF THE RAIN FALLING THURSDAY AFTERNOON AND EVENING. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE ALONG THE NORTHERN AND EASTERN FOOTHILLS...WHERE UPSLOPE FLOW WILL ENHANCE PRECIPITATION RATES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN OVER THE WATCH AREA...WHICH MAY CAUSE FLASH FLOODING ALONG STREAMS...CREEKS...CANYONS...AND DRAWS. IF YOU ARE IN THE WATCH AREA...MONITOR NOAA WEATHER RADIO AND LOCAL MEDIA FOR UPDATED FORECASTS. BE READY TO QUICKLY MOVE TO HIGHER GROUND...IF HEAVY RAIN OCCURS...RISING WATER LEVELS ARE OBSERVED...OR A WARNING IS ISSUED.
Winter Storm Warning, Lander and Wester Face of the Big Horns, 5-19-2011
Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1036 AM MDT THU MAY 19 2011
...A LATE SPRING SNOW STORM IS EXPECTED THROUGH THE REST OF THE
WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING
MOUNTAINS AND FOOTHILLS...
.A STRONG LOW PRESSURE SYSTEM OVER UTAH WILL TRACK ACROSS
COLORADO TODAY AND INTO EASTERN WYOMING LATER TONIGHT INTO FRIDAY. THE
COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR
WILL BRING SIGNIFICANT SNOWFALL TO MUCH OF THE MOUNTAINS AND
FOOTHILLS EAST OF THE DIVIDE TONIGHT THROUGH LATE FRIDAY MORNING.
WYZ018-192300-
/O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/
LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
1036 AM MDT THU MAY 19 2011
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY...
A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY.
* SUMMARY AND TIMING...THE SNOW WILL CONTINUE...HEAVY AT TIMES THROUGH
FRIDAY MORNING.
* SNOW ACCUMULATIONS...5 TO 10 INCHES ARE EXPECTED AROUND LANDER.
HOWEVER...ABOVE 6500 FEET...1 TO 2 FEET OF SNOW WILL FALL BY MID
DAY FRIDAY INCLUDING SINKS CANYON.
* IMPACTS...TRAVEL ON AREA ROADS WILL BE EXTREMELY SLICK AND SNOW
COVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
Flood Watch, Sheridan and Johnson Counties Douglas - Rawlins, 5-19-2011
Flood watch
national weather service billings mt
1003 am mdt thu may 19 2011
.a strong low pressure system will move slowly out of the great
basin and into the northern plains today through sunday. This
system has the potential to produce widespread heavy rainfall
over the region. With soil already saturated by last weeks storm
system and snowmelt beginning to fill rivers and streams...
Widespread heavy rainfall could result in flooding across the
area.
Mtc003-009-011-017-025-037-065-067-075-087-095-097-103-107-111-
wyc033-201615-
/o.con.kbyz.fa.a.0002.000000t0000z-110523t0000z/
/00000.0.rs.000000t0000z.000000t0000z.000000t0000z. oo/
big horn-carbon-carter-custer-fallon-golden valley-musselshell-
park-powder river-rosebud-stillwater-sweet grass-treasure-
wheatland-yellowstone-sheridan-
including the cities of...hardin...crow agency...red lodge...
Bridger...joliet...ekalaka...miles city...baker...ryegate...
Lavina...roundup...livingston...broadus...colstrip ...lame deer...
Forsyth...columbus...absarokee...big timber...hysham...
Harlowton...billings...sheridan
1003 am mdt thu may 19 2011
...flood watch remains in effect through sunday afternoon...
The flood watch continues for
* portions of montana and north central wyoming...including the
following counties...in montana...big horn...carbon...
Carter...custer...fallon...golden valley...musselshell...
Park...powder river...rosebud...stillwater...sweet grass...
Treasure...wheatland and yellowstone. In north central
wyoming...sheridan.
* through sunday afternoon
* between 2 to 4 inches of rainfall will be possible with this
storm system. Locally higher amounts are possible...
Particularly along the northeast slopes of the beartooth and
big horn mountains.
* streams and creeks will rise quickly under areas of heavy
rain. Rainfall over the northeast facing slopes of the
beartooth... Absaroka...crazy and big horn mountains could
result in rapid rises on area rivers. Residents near streams
and rivers should remain alert for possible flooding.
Precautionary/preparedness actions...
A flood watch means there is a potential for flooding based on
current forecasts. Monitor the latest forecasts and be alert for
possible flood warnings. Those living in areas prone to flooding
should be prepared to take action should flooding develop.
Flood warning
national weather service billings mt
912 am mdt sat may 21 2011
wyc033-231500-
/o.new.kbyz.fa.w.0014.110521t1512z-110523t1500z/
/00000.0.er.000000t0000z.000000t0000z.000000t0000z. oo/
sheridan wy-
912 am mdt sat may 21 2011
the national weather service in billings has issued a
* flood warning for...
Northwestern sheridan county in north central wyoming...
* until 900 am mdt monday
recent heavy rain has caused area streams and creeks to rise and
exceed bankfull in places. Small streams and creeks around dayton
were reported to be flooding. Tributaries flowing into the tongue
river were causing the tongue river near dayton to rise as well.
Flooding will continue on area streams and creeks in northwest
sheridan county this weekend as additional rain saturday will keep
water levels very high. Residents living along smaller creeks in
northwest sheridan county should take precautions to protect their
property.
A flood warning means that flooding is imminent or has been reported.
Stream rises will be slow and flash flooding is not expected.
However...all interested parties should take necessary precautions
immediately.
Precautionary/preparedness actions...
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to travel across
flooded roads. Find alternate routes. It takes only a few inches of
swiftly flowing water to carry vehicles away.
To report flooding...have the nearest law enforcement agency relay
your report to the national weather service forecast office.
Winter Storm Warning, Big Horn Mountains, 5-21-2011
Urgent - winter weather message
national weather service riverton wy
236 am mdt sat may 21 2011
...a spring snow storm will continue through midday today across
the bighorn mountains...
.a strong low pressure system over southeast montana will
continue to wrap plentiful moisture into northern wyoming through
this morning. Moderate to heavy snow is expected across the
bighorn mountains through noon today.
Wyz008-009-211800-
/o.con.kriw.ws.w.0009.000000t0000z-110521t1800z/
bighorn mountains west-bighorn mountains southeast-
236 am mdt sat may 21 2011
...winter storm warning remains in effect until noon mdt today...
A winter storm warning remains in effect until noon mdt today.
* summary and timing...snow will continue...heavy at times...over
the bighorns through midday today.
* snow amounts so far...5 to 13 inches on the west slopes of the
bighorn mountains. On the east slopes...11 to 18 inches has
fallen with this storm.
* snow accumulations...snowfall totals of 1 to 2 feet...with
locally higher amounts...are expected by noon today.
* wind and visibility...the visibility will be reduced to below
one half of a mile in falling snow at times.
* impacts...travel over granite and powder river passes will
still be slick and snow covered.
Precautionary/preparedness actions...
A winter storm warning for heavy snow means severe winter weather
conditions are expected or occurring. Significant amounts of
snow are forecast that will make travel dangerous. Only travel in
an emergency. If you must travel...keep an extra flashlight...
Food...and water in your vehicle in case of an emergency.
Flood warning
national weather service billings mt
912 am mdt sat may 21 2011
wyc033-231500-
/o.new.kbyz.fa.w.0014.110521t1512z-110523t1500z/
/00000.0.er.000000t0000z.000000t0000z.000000t0000z. oo/
sheridan wy-
912 am mdt sat may 21 2011
the national weather service in billings has issued a
* flood warning for...
Northwestern sheridan county in north central wyoming...
* until 900 am mdt monday
recent heavy rain has caused area streams and creeks to rise and
exceed bankfull in places. Small streams and creeks around dayton
were reported to be flooding. Tributaries flowing into the tongue
river were causing the tongue river near dayton to rise as well.
Flooding will continue on area streams and creeks in northwest
sheridan county this weekend as additional rain saturday will keep
water levels very high. Residents living along smaller creeks in
northwest sheridan county should take precautions to protect their
property.
A flood warning means that flooding is imminent or has been reported.
Stream rises will be slow and flash flooding is not expected.
However...all interested parties should take necessary precautions
immediately.
Flood Warning, Round Two for Sheridan County, 5-23-11
Round two starting today.
FLOOD WARNING
NATIONAL WEATHER SERVICE BILLINGS MT
903 AM MDT SUN MAY 22 2011
WYC033-240300-
/O.NEW.KBYZ.FA.W.0020.110522T1503Z-110524T0300Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z. OO/
SHERIDAN WY-
903 AM MDT SUN MAY 22 2011
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A
* FLOOD WARNING FOR SMALL CREEKS AND STREAMS IN...
WESTERN SHERIDAN COUNTY IN NORTH CENTRAL WYOMING...
* UNTIL 900 PM MDT MONDAY
* FLOODING WAS REPORTED SUNDAY MORNING ALONG SMALL CREEKS AND
STREAMS FLOWING OUT OF THE BIG HORN MOUNTAINS. RECENT PRECIPITATION
OF 3 TO 5 INCHES IN THE BIG HORN MOUNTAINS AND FOOTHILLS WILL KEEP
STREAMS AND CREEKS RUNNING HIGH WITH LOCALIZED FLOODING EXPECTED
THROUGH MONDAY EVENING.
* FLOODING ALONG LITTLE GOOSE CREEK AND ON CREEKS IN THE RANCHESTER
AREA HAD CLOSED SOME COUNTY ROADS. THE TONGUE RIVER WAS REPORTEDLY
FLOODING A PARK IN RANCHESTER.
* THIS FLOOD WARNING DOES NOT INCLUDE THE CITY OF SHERIDAN.
* THIS FLOOD WARNING REPLACES THE PREVIOUS FLOOD WARNING FOR NORTH
NORTHWESTERN SHERIDAN COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE ELEVATED LEVELS ON
SMALL CREEKS AND STREAMS...AND PONDING OF WATER ON COUNTRY ROADS AND
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.
Flood watch
national weather service riverton wy
247 am mdt mon may 23 2011
...thunderstorm activity today and tonight may produce locally
heavy rain. Since many places have saturated soils...any prolonged
heavy rain combined with snow melt mainly below 9500 feet...would
pose a threat for flooding and flash flooding.
.showers and thunderstorms will increase this afternoon and
evening. Some storms may produce 1 to 2 inches of rain in a short
period of time. This runoff into high running creeks and streams
could cause flooding.
Wyz002-003-240000-
/o.con.kriw.ff.a.0001.000000t0000z-110524t1200z/
/00000.0.rs.000000t0000z.000000t0000z.000000t0000z. oo/
absaroka mountains-cody foothills-
including the cities of...cody...meeteetse
247 am mdt mon may 23 2011
...flash flood watch remains in effect through late monday
night...
The flash flood watch continues for
* a portion of northwest wyoming...including the following
areas...absaroka mountains and cody foothills.
* through 600 am tuesday
* showers and thunderstorms will develop this afternoon and
continue tonight. Stronger storms may produce rainfall of 1 to 2
inches.
* most of the area has saturated soil...and the snow pack in the
absaroka mountains is melting. Heavy rain combined with snowmelt
may lead to potential flash flooding.
* rapidly rising waters may cause flash flooding of streams and
rivers flooding roads and threatening buildings close to rivers
and streams.
Precautionary/preparedness actions...
A flash flood watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.
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