Severe Thunderstorm Warning 420, NWS North Platte, NE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTH PLATTE NE
318 PM CDT SUN AUG 28 2005

.DISCUSSION...
SFC BOUNDARY HAS BEEN PRODUCING TRAINING ECHOES ACROSS BOONE COUNTY
IN ERN WHEELER COUNTY SINCE 11 AM CDT. LATEST LAPS DATA STREAMLINES
SHOWING SFC CONVERGENCE EXTENDS WEST THROUGH A LINE FROM NEAR
BURWELL TO ANSELMO THROUGH OSHKOSH. THIS BOUNDARY VERIFIED BY
TOWERING CU DEVELOPING AND ISOLATED TSRA AT 20Z AND ON KLNX RADAR
AND WILL ACT AS A FOCUS LATE THIS AFTERNOON/EVENING DURING AFTER
PEAK HEATING SOUTH OF THIS LINE. BOUNDARY WILL DRIFT SOUTHEAST OF
FORECAST AREA OVERNIGHT WITH CLEAR SKIES TO RETURN. SIMILAR HIGHS
MONDAY NEAR 90. DRY MONDAY NIGHT INTO TUESDAY UNTIL SFC FRONT PUSHES
IN TUESDAY AFTERNOON IN THE NORTHWEST. BEST CHANCES SHOULD BEGIN
TUESDAY NIGHT JUST BEHIND SFC FRONT FOCUSED NEAR THE H85 FRONT. HAVE
GONE WITH 30 POPS IN AN AXIS FROM OSHKOSH THROUGH AINSWORTH THEN
EAST ACROSS THE EASTERN CWFA OVERNIGHT. COVERAGE/CHANCES LESS ACROSS
SRN TIER OF COUNTIES. CHANCES WILL LIKELY END AFTER 12Z WEDNESDAY.
HOWEVER DUE TO POTENTIAL SLOWING OF SYSTEM WILL CARRY SLIGHT CHANCE
THROUGH WEDNESDAY MORNING. COOLER WEDNESDAY WITH HIGHS LIKELY UNABLE
TO TOP 80. THEN QUITE COOL WEDNESDAY NIGHT. LOWER 40S LIKELY
NORTHWEST.

FOR THURSDAY THROUGH SUNDAY...SURFACE HIGH PRESSURE WILL MOVE INTO
MO THUR AS SRLY FLOW RETURN UP THE HIGH PLAINS. IN ADDITION
MONSOONAL MOISTURE WILL MOVE IN FROM THE FOUR CORNERS REGION
THURSDAY NIGHT INTO FRIDAY. UPPER RIDGE SUPPRESSED INTO TX WITH
ZONAL FLOW IN THE CNTRL AND NRN PLAINS. PRECIP CHANCES PSBL AS EARLY
AS THU NIGHT WOULD REMAIN POSSIBLE THROUGH FRIDAY NIGHT. THE 12Z/28
AND 06Z/28 GFS BOTH WITH SIMILAR SOLUTIONS. WILL LEAVE DRY ATTM. FOR
SATURDAY THROUGH SUNDAY...UPPER RIDGE WILL BUILD NORTH AS UPPER
TROUGH MOVES INTO PAC NW. THIS WILL KEEP A SURFACE TROUGH TO OUR
WEST WITH MOISTURE DRAWN NORTHWARD. ISOLATED THUNDERSTORMS TO REMAIN
POSSIBLE.

&&

LBF WATCHES/WARNINGS/ADVISORIES...NONE.

&&

KAR

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTH PLATTE NE
345 PM CDT SUN AUG 28 2005

NEZ004>010-022>029-035>038-056>059-069>071-094-292045-
SHERIDAN-EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-GARDEN-
GRANT-HOOKER-THOMAS-BLAINE-LOUP-GARFIELD-WHEELER-ARTHUR-MCPHERSON-
LOGAN-CUSTER-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
WESTERN CHERRY-
345 PM CDT SUN AUG 28 2005 /245 PM MDT SUN AUG 28 2005/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND
NORTH CENTRAL NEBRASKA.

.DAY ONE...TONIGHT.

ISOLATED EVENING THUNDERSTORMS ARE POSSIBLE MAINLY ALONG AND SOUTH OF
INTERSTATE 80. AN ISOLATED SEVERE STORM IS POSSIBLE WITH LARGE
HAIL AND WIND DAMAGE THE PRIMARY THREAT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NEXT MAJOR WEATHER SYSTEM IS EXPECTED TO MOVE THROUGH THE REGION
TUESDAY NIGHT INTO WEDNESDAY BRINGING THE POSSIBILITY OF
THUNDERSTORMS TO THE ENTIRE OUTLOOK AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

THIS PRODUCT IS NOW AVAILABLE...ALONG WITH OTHER WEATHER...
HYDROLOGICAL AND CLIMATOLOGICAL INFORMATION...AT
HTTP://WWW.WEATHER.GOV/NORTHPLATTE (ALL LOWERCASE)

MASEK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1250 PM CDT SUN AUG 28 2005

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

1130 AM     HAIL             12 ENE BARTLETT         41.95N 98.34W
08/28/2005  1.00 INCH        WHEELER            NE   PUBLIC

            DIME TO QUARTER SIZE HAIL.

&&

HANNON

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
438 PM CDT SUN AUG 28 2005

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

0436 PM     HAIL             7 SW CALLAWAY           41.22N 100.02W
08/28/2005  1.00 INCH        CUSTER             NE   PUBLIC

&&

JSWEET