KCYS [101347]: Preliminary Local Storm Report...summary

NWUS55 KCYS 101347
LSRCYS

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHEYENNE WY
647 AM MST THU DEC 10 2009

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

1100 PM NON-TSTM WND GST 3 S FEDERAL 41.23N 105.10W
12/09/2009 M66.00 MPH LARAMIE WY TRAINED SPOTTER

1215 AM EXTR WIND CHILL SCOTTSBLUFF AIRPORT 41.87N 103.60W
12/10/2009 M-39.00 F SCOTTS BLUFF NE OFFICIAL NWS OBS

COLDEST WIND CHILL REPORT OVERNIGHT...WITH CONSISTENT
WIND CHILLS OBSERVED BETWEEN -20 AND -30 DEGREES.

1253 AM EXTR WIND CHILL SIDNEY AIRPORT 41.10N 102.99W
12/10/2009 M-18.00 F CHEYENNE NE OFFICIAL NWS OBS

COLDEST WIND CHILL REPORTED OVERNIGHT. WIND CHILL VALUES
OVERNIGHT GENERALLY RANGED FROM -10 TO -18 DEGREES.

0153 AM EXTR WIND CHILL CHADRON AIRPORT 42.84N 103.10W
12/10/2009 M-25.00 F DAWES NE OFFICIAL NWS OBS

COLDEST REPORT ALSO OBSERVED AT 1053 PM MST WEDNESDAY
EVENING. COLDEST OF SEVERAL WIND CHILL REPORTS COLDER
THAN -20 DEGREES OVERNIGHT.

0202 AM HIGH SUST WINDS VEDAUWOO 41.15N 105.40W
12/10/2009 M40.00 MPH ALBANY WY DEPT OF HIGHWAYS

LATEST HIGH SUSTAINED WIND...ALSO OBSERVED AT 1007 PM MST
WEDNESDAY EVENING. GUSTS DURING PERIODS OF SUSTAINED
WINDS WERE 50 TO 52 MPH.

0313 AM EXTR WIND CHILL AGATE 42.41N 103.78W
12/10/2009 M-35.00 F SIOUX NE MESONET

COLDEST WIND CHILL REPORT OVERNIGHT...WITH CONSISTENT
REPORTS OF -20 TO -30 DEGREES OVERNIGHT.

0353 AM EXTR WIND CHILL ALLIANCE 42.10N 102.87W
12/10/2009 M-43.00 F BOX BUTTE NE OFFICIAL NWS OBS

COLDEST REPORT SINCE WIND CHILLS DROPPED BELOW -20
DEGREES AT 553 PM MST WEDNESDAY. WIND CHILLS BELOW -20
DEGREES HAVE BEEN CONSISTENTLY REPORTED OVERNIGHT...AND
BELOW -30 DEGREES SINCE 153 AM MST.

0430 AM NON-TSTM WND GST 4 WNW WARREN AF BASE 41.18N 104.94W
12/10/2009 M62.00 MPH LARAMIE WY MESONET

POLO RANCH OBSERVATION SITE. SUSTAINED WIND AT TIME OF
HIGHEST GUST WAS 50 MPH. NUMEROUS REPORTS SINCE 300 AM
MST OF SUSTAINED WINDS OF 35 TO 45 MPH AND GUSTS OF 45 TO
62 MPH.

0505 AM NON-TSTM WND GST 4 SSW I-25 EXIT 7 41.05N 104.89W
12/10/2009 M63.00 MPH LARAMIE WY DEPT OF HIGHWAYS

HIGHEST GUST SINCE SPEEDS INCREASED AROUND 300 AM MST.
SUSTAINED WIND AT TIME OF GUST WAS 43 MPH. SUSTAINED WIND
OF 50 MPH REPORTED AT 445 AM MST...AND NUMEROUS REPORTS
OF SUSTAINED WINDS IN EXCESS OF 40 MPH OBSERVED FROM 300
AM MST THROUGH 615 AM MST.

&&

$$

SJC

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