High Wind in Wyoming, January 1, 2009

Name: High Wind in Wyoming, January 1, 2009
Start: 2009-01-01T00:00
End: 2009-01-01T08:00
Location: Wyoming

January 1, 2009 · NWS CYS · 4 events in 4 counties and zones

High winds continued to blow into the early morning hours across parts of southeast Wyoming.

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 4

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS CYS wrote it up.

High winds continued to blow into the early morning hours across parts of southeast Wyoming.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before the first event at Dec 31, 8:53 PM MST, 3 hours 7 minutes earlier.

Area forecast discussion, Dec 31, 8:53 PM MST, 3 hours 7 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CHEYENNE WY
853 PM MST WED DEC 31 2008

.SHORT TERM...TONIGHT...
MINOR UPDATES FORTHCOMING THIS EVENING...EXCEPT FOR THE ALREADY
EXECUTED EXPANSION OF THE HIGH WIND WARNING TO INCLUDE THE
CHEYENNE FOOTHILLS AND NORTHERN LARAMIE RANGE WHERE VERY STRONG
WINDS HAVE ALSO DEVELOPED TONIGHT. NUMEROUS GUSTS IN EXCESS OF 58
MPH HAVE BEEN REPORTED ALONG INTERSTATE 25 AT CHEYENNE AND WYOMING
HILL...WITH GUSTS TO NEAR 70 MPH NEAR WHITAKER IN THE PAST HOUR.
WITH PRESSURE FALLS IN THE LEE OF THE LARAMIE RANGE AND CONTINUING
PRESSURE RISES OVER WESTERN COLORADO...BELIEVE THAT THESE WINDS
WILL CONTINUE OVERNIGHT FARTHER EAST OF THE LARAMIE RANGE THAN
PREVIOUSLY EXPECTED. WINDS HAVE ALSO CONTINUED TO GUST IN EXCESS
OF 58 MPH NEAR ESTERBROOK...SO HAVE ALSO INCLUDED THE NORTHERN
LARAMIE RANGE IN THE WARNING FOR THE OVERNIGHT PERIOD.

WILL AVOID ANY CONFUSION WITH ISSUING A HIGH WIND WATCH FOR
THURSDAY WITH AN ONGOING WARNING OVERNIGHT. WILL INSTEAD ADJUST
WINDS IN FORECAST SLIGHTLY AND MENTION THE POSSIBILITY THAT THIS
WARNING MAY NEED TO BE EXTENDED INTO THURSDAY. WIND GUIDANCE TOOLS
SUGGEST THAT CRAIG TO CASPER PRESSURE GRADIENTS SHOULD REMAIN
SUFFICIENT TO SUPPORT VERY STRONG WINDS INTO THURSDAY AND THURSDAY
NIGHT. AGAIN...WILL LET THE MIDNIGHT SHIFT TAKE ANOTHER LOOK.

.LONG TERM...FRIDAY NIGHT THROUGH WEDNESDAY
AN UPPER TROUGH WILL BEGIN TO AFFECT THE WESTERN PORTION OF THE CWA
FRIDAY NIGHT AND WILL MOVE ACROSS THE CWA THROUGH SATURDAY.  THIS
WILL RESULT IN A CHANCE OF SNOW ACROSS CARBON COUNTY FRIDAY
NIGHT...WHICH WILL SPREAD ACROSS THE NORTHERN AND WESTERN PORTIONS
OF THE AREA ON SATURDAY.  AREAS TO THE EAST OF THE LARAMIE RANGE
WILL REMAIN DRY.  THE ASSOCIATED SURFACE COLD FRONT WILL MOVE ACROSS
THE FORECAST AREA EARLY SAT.  SUN THROUGH MON WILL BE DRY WITH NW
FLOW ALOFT AND DOWNSLOPE WINDS AT THE SURFACE. A DISTURBANCE WILL IN
THE NW FLOW ALOFT WILL MOVE ACROSS THE CWA MONDAY NIGHT WHICH WILL
PRODUCE A CHANCE OF SNOW FOR THE ENTIRE AREA.  DRY TUES AND WED WITH
NW FLOW ALOFT AS AN UPPER RIDGE BUILDS ALONG THE WEST COAST.  HIGH
TEMPERATURES WILL BE AROUND NORMAL EACH DAY.

&&

.AVIATION...
VERY WINDY CONDITIONS WILL CONTINUE ACROSS MOST OF SOUTHEAST
WYOMING OVERNIGHT. EXPECT CEILINGS TO DEVELOP ACROSS THE NEBRASKA
PANHANDLE THURSDAY WITH THE COLD FRONTAL PASSAGE ALSO INCREASING
THE CHANCES FOR SOME LIGHT SHOWER ACTIVITY. THE PANHANDLE WILL
ALSO HAVE THE POTENTIAL FOR SOME MIXED PRECIPITATION BEHIND THE
FRONT AS TEMPERATURES ARE EXPECTED TO WARM TO WELL ABOVE FREEZING
BEFORE THE COLDER AIRMASS MOVES SOUTH INTO THE AREA DURING THE
AFTERNOON.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...HIGH WIND WARNING UNTIL 6 AM THURSDAY FOR WYZ062-WYZ063-WYZ064-
     WYZ066-WYZ067-WYZ069.
NE...NONE.

&&

SHORT TERM/AVIATION...CARPENTER
LONG TERM...KMD

Hazardous weather outlook, Dec 31, 8:37 PM MST, 3 hours 23 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CHEYENNE WY
837 PM MST WED DEC 31 2008

NEZ001>003-019>021-054-055-WYZ068-070-020345-
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-GOSHEN-PINE BLUFFS-
837 PM MST WED DEC 31 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA
PANHANDLE AND SOUTHEAST WYOMING.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

IT WILL BREEZY AND COOLER ON THURSDAY WITH A FEW LIGHT SNOW SHOWERS
POSSIBLE OVER THE NORTHERN NEBRASKA PANHANDLE. NORTHWEST WINDS
WILL BLOW AT 15 TO 30 MPH. THERE WILL BE A CHANCE OF LIGHT SNOW
LATE FRIDAY NIGHT AND SATURDAY AND AGAIN MONDAY NIGHT AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

WYZ062>064-066-067-069-020345-
NORTH CARBON-SNOWY RANGE-NORTH LARAMIE RANGE-LARAMIE RANGE-PLATTE-
CHEYENNE FOOTHILLS-
837 PM MST WED DEC 31 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING.

.DAY ONE...TONIGHT

A HIGH WIND WARNING CONTINUES TO BE IN EFFECT THROUGH EARLY
THURSDAY MORNING. WEST TO SOUTHWEST WINDS WILL CONTINUE TO BE VERY
STRONG OVERNIGHT AT 35 TO 50 MPH WITH GUSTS OVER 60 MPH...AND EVEN
AROUND 70 MPH NEAR THE MOST WIND PRONE AREAS SUCH AS BORDEAUX
ALONG INTERSTATE 25.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE HIGH WIND WARNING CONTINUES INTO EARLY THURSDAY MORNING...AND
MAY EVEN NEED TO BE EXTENDED INTO THURSDAY AS STRONG WINDS NEAR
WARNING CRITERIA WILL AGAIN BE POSSIBLE. A FEW LIGHT SNOW SHOWERS
CAN BE EXPECTED ON THURSDAY...MAINLY NEAR THE MOUNTAINS. SCATTERED
AREAS OF LIGHT SNOW WILL OCCUR LATE FRIDAY NIGHT AND
SATURDAY...AND AGAIN MONDAY NIGHT AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY SUSTAINED WINDS IN EXCESS OF
40 MPH OR WIND GUSTS IN EXCESS OF 58 MPH OVERNIGHT TONIGHT.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

WYZ059>061-065-020345-
CONVERSE-NIOBRARA-SOUTHWEST CARBON-LARAMIE VALLEY-
837 PM MST WED DEC 31 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING.

.DAY ONE...TONIGHT

IT WILL CONTINUE TO BE WINDY OVERNIGHT WITH GENERALLY SOUTHWEST
WINDS OF 20 TO 30 MPH AND GUSTS TO 40 MPH POSSIBLE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

CONTINUED BREEZY CONDITIONS WITH A FEW LIGHT SNOW SHOWERS CAN BE
EXPECTED ON THURSDAY. SCATTERED AREAS OF LIGHT SNOW WILL OCCUR
LATE FRIDAY NIGHT AND SATURDAY... AND AGAIN MONDAY NIGHT AND
TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

In the hours before

Local storm report, Dec 31, 9:40 PM MST, 2 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHEYENNE WY
940 PM MST WED DEC 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1140 AM     HIGH SUST WINDS  N ARLINGTON             41.59N 106.21W
12/31/2008  M40.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

1200 PM     HIGH SUST WINDS  N ARLINGTON             41.59N 106.21W
12/31/2008  M41.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

1254 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M58.00 MPH       CONVERSE           WY   MESONET

0100 PM     HIGH SUST WINDS  5 SSW I-25 EXIT 100     42.27N 105.08W
12/31/2008  M40.00 MPH       PLATTE             WY   MESONET

            LYNCH UP204

0105 PM     HIGH SUST WINDS  BORDEAUX                41.95N 104.95W
12/31/2008  M42.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0105 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M60.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0110 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M62.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0145 PM     NON-TSTM WND GST ARLINGTON               41.59N 106.21W
12/31/2008  M58.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            40 MPH SUSTAINED WIND AT TIME OF OBSERVATION. PEAK WIND
            SO FAR FOR THE DAY.

0215 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M75.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            51 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST DURING PREVIOUS HOUR.

0355 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M73.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            50 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST REPORTED SINCE 215 PM MST.

0400 PM     NON-TSTM WND GST 4 SE I-80 EXIT 345      41.06N 105.06W
12/31/2008  M62.00 MPH       LARAMIE            WY   MESONET

            UPRR SITE 226 EMKAY. 44 MPH SUSTAINED WIND AT TIME OF
            OBSERVATION.

0515 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M69.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            47 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST REPORTED SINCE 355 PM MST.

0535 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M69.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            49 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST REPORTED BETWEEN 515 PM MST AND 615 PM MST.

0654 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M59.00 MPH       CONVERSE           WY   DEPT OF HIGHWAYS

            34 MPH SUSTAINED WIND AT TIME OF OBSERVATION.

0715 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M70.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            46 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST SINCE 615 PM MST.

0747 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M59.00 MPH       LARAMIE            WY   ASOS

            44 MPH SUSTAINED WIND AT TIME OF OBSERVATION.

0750 PM     NON-TSTM WND GST CHUGWATER               41.76N 104.82W
12/31/2008  M68.00 MPH       PLATTE             WY   TRAINED SPOTTER

0754 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M66.00 MPH       CONVERSE           WY   DEPT OF HIGHWAYS

0800 PM     NON-TSTM WND GST 2 SE I-80 MM 348        41.08N 105.04W
12/31/2008  M64.00 MPH       LARAMIE            WY   MESONET

0800 PM     NON-TSTM WND GST 4 SE I-80 EXIT 345      41.06N 105.06W
12/31/2008  M64.00 MPH       LARAMIE            WY   MESONET

            UPRR SITE 226 EMKAY. HIGHEST GUST SINCE 400 PM MST.

0820 PM     NON-TSTM WND GST WHITAKER                41.41N 104.87W
12/31/2008  M68.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0837 PM     NON-TSTM WND GST 18 WNW CHEYENNE         41.24N 105.11W
12/31/2008  M74.00 MPH       LARAMIE            WY   TRAINED SPOTTER

            SUSTAINED WIND 48 MPH. HAD SEVERAL GUSTS 60 MPH OR MORE
            DURING THE LAST TWO HOURS.

0840 PM     TSTM WND GST     12 SSE HORSE CREEK      41.25N 105.09W
12/31/2008  M75.00 MPH       LARAMIE            WY   TRAINED SPOTTER

            SEVERAL GUSTS OVER 60 MPH DURING THE PAST HOUR.

0848 PM     NON-TSTM WND GST 18 WNW CHEYENNE         41.24N 105.11W
12/31/2008  M75.00 MPH       LARAMIE            WY   TRAINED SPOTTER

            SEVERAL GUSTS FROM 55 TO 65 MPH.

0851 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M60.00 MPH       LARAMIE            WY   ASOS

0854 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M62.00 MPH       CONVERSE           WY   MESONET

            33 MPH SUSTAINED WIND AT TIME OF OBSERVATION.

0900 PM     NON-TSTM WND GST WHITAKER                41.41N 104.87W
12/31/2008  M70.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0900 PM     NON-TSTM WND GST 4 SE I-80 EXIT 345      41.06N 105.06W
12/31/2008  M65.00 MPH       LARAMIE            WY   MESONET

            UPRR SITE 226 EMKAY.

0900 PM     NON-TSTM WND GST 9 SSW CHEYENNE          41.03N 104.86W
12/31/2008  M69.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYO HILL WYDOT SENSOR. 58 MPH SUSTAINED WIND AT TIME OF
            OBSERVATION. HIGHEST REPORTED GUST SINCE 800 PM MST WHEN
            WINDS FIRST GUSTED TO 60 MPH. NUMEROUS OBSERVATIONS OF
            GUSTS IN EXCESS OF 65 MPH BETWEEN 840 PM MST AND 900 PM
            MST...WITH SUSTAINED WINDS IN EXCESS OF 50 MPH BETWEEN
            845 PM MST AND 900 PM MST.

0910 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M63.00 MPH       LARAMIE            WY   ASOS

&&

SJC

Local storm report, Dec 31, 9:41 PM MST, 2 hours 19 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHEYENNE WY
941 PM MST WED DEC 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0754 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M66.00 MPH       CONVERSE           WY   MESONET

&&

SJC

Local storm report, Dec 31, 9:42 PM MST, 2 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHEYENNE WY
942 PM MST WED DEC 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1140 AM     HIGH SUST WINDS  N ARLINGTON             41.59N 106.21W
12/31/2008  M40.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

1200 PM     HIGH SUST WINDS  N ARLINGTON             41.59N 106.21W
12/31/2008  M41.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

1254 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M58.00 MPH       CONVERSE           WY   MESONET

0100 PM     HIGH SUST WINDS  5 SSW I-25 EXIT 100     42.27N 105.08W
12/31/2008  M40.00 MPH       PLATTE             WY   MESONET

            LYNCH UP204

0105 PM     HIGH SUST WINDS  BORDEAUX                41.95N 104.95W
12/31/2008  M42.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0105 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M60.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0110 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M62.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0145 PM     NON-TSTM WND GST ARLINGTON               41.59N 106.21W
12/31/2008  M58.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            40 MPH SUSTAINED WIND AT TIME OF OBSERVATION. PEAK WIND
            SO FAR FOR THE DAY.

0215 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M75.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            51 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST DURING PREVIOUS HOUR.

0355 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M73.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            50 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST REPORTED SINCE 215 PM MST.

0400 PM     NON-TSTM WND GST 4 SE I-80 EXIT 345      41.06N 105.06W
12/31/2008  M62.00 MPH       LARAMIE            WY   MESONET

            UPRR SITE 226 EMKAY. 44 MPH SUSTAINED WIND AT TIME OF
            OBSERVATION.

0515 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M69.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            47 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST REPORTED SINCE 355 PM MST.

0535 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M69.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            49 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST REPORTED BETWEEN 515 PM MST AND 615 PM MST.

0654 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M59.00 MPH       CONVERSE           WY   DEPT OF HIGHWAYS

            34 MPH SUSTAINED WIND AT TIME OF OBSERVATION.

0715 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M70.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            46 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST SINCE 615 PM MST.

0747 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M59.00 MPH       LARAMIE            WY   ASOS

            44 MPH SUSTAINED WIND AT TIME OF OBSERVATION.

0750 PM     NON-TSTM WND GST CHUGWATER               41.76N 104.82W
12/31/2008  M68.00 MPH       PLATTE             WY   TRAINED SPOTTER

0754 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M66.00 MPH       CONVERSE           WY   MESONET

0800 PM     NON-TSTM WND GST 4 SE I-80 EXIT 345      41.06N 105.06W
12/31/2008  M64.00 MPH       LARAMIE            WY   MESONET

            UPRR SITE 226 EMKAY. HIGHEST GUST SINCE 400 PM MST.

0800 PM     NON-TSTM WND GST 2 SE I-80 MM 348        41.08N 105.04W
12/31/2008  M64.00 MPH       LARAMIE            WY   MESONET

0820 PM     NON-TSTM WND GST WHITAKER                41.41N 104.87W
12/31/2008  M68.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0837 PM     NON-TSTM WND GST 18 WNW CHEYENNE         41.24N 105.11W
12/31/2008  M74.00 MPH       LARAMIE            WY   TRAINED SPOTTER

            SUSTAINED WIND 48 MPH. HAD SEVERAL GUSTS 60 MPH OR MORE
            DURING THE LAST TWO HOURS.

0840 PM     TSTM WND GST     12 SSE HORSE CREEK      41.25N 105.09W
12/31/2008  M75.00 MPH       LARAMIE            WY   TRAINED SPOTTER

            SEVERAL GUSTS OVER 60 MPH DURING THE PAST HOUR.

0848 PM     NON-TSTM WND GST 18 WNW CHEYENNE         41.24N 105.11W
12/31/2008  M75.00 MPH       LARAMIE            WY   TRAINED SPOTTER

            SEVERAL GUSTS FROM 55 TO 65 MPH.

0851 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M60.00 MPH       LARAMIE            WY   ASOS

0854 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M62.00 MPH       CONVERSE           WY   MESONET

            33 MPH SUSTAINED WIND AT TIME OF OBSERVATION.

0900 PM     NON-TSTM WND GST WHITAKER                41.41N 104.87W
12/31/2008  M70.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0900 PM     NON-TSTM WND GST 4 SE I-80 EXIT 345      41.06N 105.06W
12/31/2008  M65.00 MPH       LARAMIE            WY   MESONET

            UPRR SITE 226 EMKAY.

0900 PM     NON-TSTM WND GST 9 SSW CHEYENNE          41.03N 104.86W
12/31/2008  M69.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYO HILL WYDOT SENSOR. 58 MPH SUSTAINED WIND AT TIME OF
            OBSERVATION. HIGHEST REPORTED GUST SINCE 800 PM MST WHEN
            WINDS FIRST GUSTED TO 60 MPH. NUMEROUS OBSERVATIONS OF
            GUSTS IN EXCESS OF 65 MPH BETWEEN 840 PM MST AND 900 PM
            MST...WITH SUSTAINED WINDS IN EXCESS OF 50 MPH BETWEEN
            845 PM MST AND 900 PM MST.

0910 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M63.00 MPH       LARAMIE            WY   ASOS

&&

SJC

Local storm report, Dec 31, 9:47 PM MST, 2 hours 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
947 PM MST WED DEC 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0938 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M67 MPH          LARAMIE            WY   ASOS

&&

DDEAL

Local storm report, Dec 31, 9:48 PM MST, 2 hours 12 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHEYENNE WY
948 PM MST WED DEC 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1140 AM     HIGH SUST WINDS  N ARLINGTON             41.59N 106.21W
12/31/2008  M40.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

1200 PM     HIGH SUST WINDS  N ARLINGTON             41.59N 106.21W
12/31/2008  M41.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

1254 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M58.00 MPH       CONVERSE           WY   MESONET

0100 PM     HIGH SUST WINDS  5 SSW I-25 EXIT 100     42.27N 105.08W
12/31/2008  M40.00 MPH       PLATTE             WY   MESONET

            LYNCH UP204

0105 PM     HIGH SUST WINDS  BORDEAUX                41.95N 104.95W
12/31/2008  M42.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0105 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M60.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0110 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M62.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0145 PM     NON-TSTM WND GST ARLINGTON               41.59N 106.21W
12/31/2008  M58.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            40 MPH SUSTAINED WIND AT TIME OF OBSERVATION. PEAK WIND
            SO FAR FOR THE DAY.

0215 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M75.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            51 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST DURING PREVIOUS HOUR.

0355 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M73.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            50 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST REPORTED SINCE 215 PM MST.

0400 PM     NON-TSTM WND GST 4 SE I-80 EXIT 345      41.06N 105.06W
12/31/2008  M62.00 MPH       LARAMIE            WY   MESONET

            UPRR SITE 226 EMKAY. 44 MPH SUSTAINED WIND AT TIME OF
            OBSERVATION.

0515 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M69.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            47 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST REPORTED SINCE 355 PM MST.

0535 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M69.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            49 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST REPORTED BETWEEN 515 PM MST AND 615 PM MST.

0654 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M59.00 MPH       CONVERSE           WY   DEPT OF HIGHWAYS

            34 MPH SUSTAINED WIND AT TIME OF OBSERVATION.

0715 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
12/31/2008  M70.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            46 MPH SUSTAINED WIND AT TIME OF OBSERVATION. HIGHEST
            GUST SINCE 615 PM MST.

0747 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M59.00 MPH       LARAMIE            WY   ASOS

            44 MPH SUSTAINED WIND AT TIME OF OBSERVATION.

0750 PM     NON-TSTM WND GST CHUGWATER               41.76N 104.82W
12/31/2008  M68.00 MPH       PLATTE             WY   TRAINED SPOTTER

0754 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M66.00 MPH       CONVERSE           WY   MESONET

0800 PM     NON-TSTM WND GST 4 SE I-80 EXIT 345      41.06N 105.06W
12/31/2008  M64.00 MPH       LARAMIE            WY   MESONET

            UPRR SITE 226 EMKAY. HIGHEST GUST SINCE 400 PM MST.

0800 PM     NON-TSTM WND GST 2 SE I-80 MM 348        41.08N 105.04W
12/31/2008  M64.00 MPH       LARAMIE            WY   MESONET

0820 PM     NON-TSTM WND GST WHITAKER                41.41N 104.87W
12/31/2008  M68.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0837 PM     NON-TSTM WND GST 18 WNW CHEYENNE         41.24N 105.11W
12/31/2008  M74.00 MPH       LARAMIE            WY   TRAINED SPOTTER

            SUSTAINED WIND 48 MPH. HAD SEVERAL GUSTS 60 MPH OR MORE
            DURING THE LAST TWO HOURS.

0840 PM     TSTM WND GST     12 SSE HORSE CREEK      41.25N 105.09W
12/31/2008  M75.00 MPH       LARAMIE            WY   TRAINED SPOTTER

            SEVERAL GUSTS OVER 60 MPH DURING THE PAST HOUR.

0848 PM     NON-TSTM WND GST 18 WNW CHEYENNE         41.24N 105.11W
12/31/2008  M75.00 MPH       LARAMIE            WY   TRAINED SPOTTER

            SEVERAL GUSTS FROM 55 TO 65 MPH.

0851 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M60.00 MPH       LARAMIE            WY   ASOS

0854 PM     NON-TSTM WND GST ESTERBROOK              42.41N 105.36W
12/31/2008  M62.00 MPH       CONVERSE           WY   MESONET

            33 MPH SUSTAINED WIND AT TIME OF OBSERVATION.

0900 PM     NON-TSTM WND GST WHITAKER                41.41N 104.87W
12/31/2008  M70.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0900 PM     NON-TSTM WND GST 4 SE I-80 EXIT 345      41.06N 105.06W
12/31/2008  M65.00 MPH       LARAMIE            WY   MESONET

            UPRR SITE 226 EMKAY.

0900 PM     NON-TSTM WND GST 9 SSW CHEYENNE          41.03N 104.86W
12/31/2008  M69.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYO HILL WYDOT SENSOR. 58 MPH SUSTAINED WIND AT TIME OF
            OBSERVATION. HIGHEST REPORTED GUST SINCE 800 PM MST WHEN
            WINDS FIRST GUSTED TO 60 MPH. NUMEROUS OBSERVATIONS OF
            GUSTS IN EXCESS OF 65 MPH BETWEEN 840 PM MST AND 900 PM
            MST...WITH SUSTAINED WINDS IN EXCESS OF 50 MPH BETWEEN
            845 PM MST AND 900 PM MST.

0910 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M63.00 MPH       LARAMIE            WY   ASOS

0938 PM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
12/31/2008  M67.00 MPH       LARAMIE            WY   ASOS

&&

DDEAL

Local storm report, Dec 31, 9:51 PM MST, 2 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
951 PM MST WED DEC 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0930 PM     NON-TSTM WND GST WHITAKER                41.41N 104.87W
12/31/2008  M66 MPH          LARAMIE            WY   DEPT OF HIGHWAYS

&&

DDEAL

Event by event

4 high wind. Local standard time, as filed.

High Wind, Snowy Range

When: January 1, 12:00 AM MST to 4:30 AM MST
Where: Snowy Range forecast zone
Measured: 57 kt (66 mph) measured gust
Reported by: Department of Highways

Several gusts around 65 mph recorded along Interstate 80 near Arlington, WY.

High Wind, Laramie Range

When: January 1, 12:00 AM MST to 8:00 AM MST
Where: Laramie Range forecast zone
Measured: 69 kt (79 mph) estimated gust
Reported by: Mesonet

Several gusts around 75 mph recorded by Union Pacific Railroad sensors.

High Wind, Platte

When: January 1, 12:00 AM MST to 1:30 AM MST
Where: Platte forecast zone
Measured: 56 kt (64 mph) measured gust
Reported by: Department of Highways

Several gusts from 60 to 65 mph were recorded along Interstate 25 at the Bordeaux interchange.

High Wind, Cheyenne Foothills

When: January 1, 12:00 AM MST to 5:15 AM MST
Where: Cheyenne Foothills forecast zone
Measured: 62 kt (71 mph) measured gust
Reported by: Department of Highways

Several gusts from 60 to 70 mph were recorded along Interstate 25 noth and southwest of Cheyenne with a peak gust of 67 mph recorded in Cheyenne, WY.

What these are

High Wind: Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Wyoming in 2009 Every state in 2009 This day in weather history Warnings in Wyoming, January 2009

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 141185, 141186, 141187, 141188.