Flash Flood Warning 4, NWS Cheyenne, WY

SOUTHEAST WYOMING/NEBRASKA PANHANDLE AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
230 PM MDT MON JUN 14 1999

OMEGA BLOCK PATTERN TO PERSIST OVER NOAM FEEDING COOL NORTHWEST FLOW
OVER SOUTHEAST WY AND THE NEBRASKA PANHANDLE THROUGH FRIDAY.  SHORT
WAVES TO CONTINUE CYCLING THROUGH THIS FLOW TO PERIODICALLY ENHANCE
INSTABILITIES AND ASSOCIATED CONVECTION OVER THE CWA. LEADING SHORT
WAVE MOVING SOUTHEAST OUT OF MT THIS AM TO OVERSPREAD THE CWA THIS
AFTERNOON/EVENING. CAPES FROM AROUND 1500 TO 2200 J/KG...ESPECIALLY
NEAR NEBRASKA BORDER INTO THE PANHANDLE WITH LIS FROM -4 TO -6 OVER
THE CWA THIS AFTERNOON WITH A LOW SHEAR PROFILE. THUS EXPECT THE MAIN
THREAT TO BE HAIL FROM PM STORMS. MOIST SURFACE FLOW TO ALSO PERSIST
OVER THE AREA. THUS WILL CONTINUE LIKELY POPS FOR EVENING CONVECTION
BECOMING MAINLY LIGHT RAIN AFTER MIDNIGHT ALONG WITH AREAS OF FOG EAST
OF THE LARAMIE RANGE.

EXPECT A REPEAT PERFORMANCE FOR DIURNALLY TRENDED CONVECTION TUESDAY
AFTERNOON WITH TEMPERATURES REMAINING COOLER THAN NORMAL FOR THIS
TIME OF YEAR. DAY TWO OUTLOOK SHIFTS POTENTIAL FOR SEVERE SOUTH OF
THE CYS CWA AND LOOK GOOD IN VIEW OF COOL CLOUD COVERED SURFACE LAYER.

WILL ALSO CONTINUE SCATTERED DIURNALLY TRENDED POPS WITH SLIGHTLY
COOLER THAN NORMAL TEMPERATURES THROUGH THURSDAY.  THEN EXPECT THE
UPPER RIDGE TO EASE EASTWARD INTO WY AS THE WESTERN UPPER LOW EASES
ONSHORE PACIFIC NORTHWEST.  THUS EXPECT EXPECT SOME DRYING OVER WY AND
WILL LIMIT DIURNAL CONVECTION TO WIDELY SCATTERED MTNS AND EAST END OF
THE STATE FRIDAY AND SAT ALONG WITH A RETURN TO MORE SEASONAL
TEMPERATURES.

.CYS...
WY...NONE.
NE...NONE.

PAL

WYZ059-060-067>070-150330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
847 PM MDT MON JUN 14 1999

...THE SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL AND SOUTHEAST WYOMING
HAS BEEN CANCELLED...

THE THUNDERSTORMS OVER SOUTHEAST AND EAST CENTRAL WYOMING HAVE WEAKENED
AND MOVED EAST AND WERE NO LONGER PRODUCING SEVERE WEATHER IN THE AREA.
FOR THAT REASON...THE SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL AND
SOUTHEAST WYOMING HAS BEEN CANCELLED.  NO ADDITIONAL SEVERE
THUNDERSTORMS ARE EXPECTED FOR THE REST OF TONIGHT.

WCJIN-WYSE-WYNE
WEILAND

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  CHEYENNE WY
900 PM MDT MON JUN 14 1999

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0337 PM    MELBETA                   NE   1.75 INCH HAIL
06/14/99   SCOTTS BLUFF

0350 PM    3 S MELBETA               NE   1.00 INCH HAIL
06/14/99   SCOTTS BLUFF

0430 PM    9 NE HARRISBURG           NE   0.75 INCH HAIL
06/14/99   BANNER

0732 PM    KIMBALL                   NE   0.75 INCH HAIL
06/14/99   KIMBALL

EMANUEL

NEZ001>003-019>021-054-055-150400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
925 PM MDT MON JUN 14 1999

...THE SEVERE THUNDERSTORM WATCH FOR THE WESTERN NEBRASKA PANHANDLE
HAS BEEN CANCELLED...

THE THUNDERSTORMS OVER THE WESTERN NEBRASKA PANHANDLE HAVE WEAKENED
SINCE 815 PM AND WERE NO LONGER PRODUCING SEVERE WEATHER IN THE AREA.
FOR THAT REASON...THE SEVERE THUNDERSTORM WATCH FOR THE WESTERN
NEBRASKA PANHANDLE HAS BEEN CANCELLED.  NO ADDITIONAL SEVERE
THUNDERSTORMS ARE EXPECTED FOR THE REST OF TONIGHT.

WATER LEVELS REMAIN HIGH IN SMALL STREAMS IN SOUTH CENTRAL SCOTTS
BLUFF COUNTY AT 9 PM.  A FLASH FLOOD WATCH REMAINS IN EFFECT FOR
THAT AREA THROUGH 11 PM.

WEILAND