Severe Thunderstorm Warning 86, NWS Hastings, NE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
229 PM CDT FRI MAY 29 2015

.SHORT TERM...(THIS EVENING THROUGH SATURDAY)
ISSUED AT 227 PM CDT FRI MAY 29 2015

MAIN CONCERN IN THE SHORT TERM WILL BE PRECIPITATION/TSTM CHANCES
THE REST OF THIS AFTERNOON AND INTO THE EARLY EVENING.

UPPER AIR ANALYSIS FROM 12Z ALONG WITH SATELLITE WATER VAPOR IMAGERY
SHOWS UPPER WAVE HAS PROGRESSED OVER THE ROCKIES AND ONTO THE HIGH
PLAINS. NICE SPIN CAN BE SEEN ON SATELLITE JUST ENTERING WRN NEB.
DRY SLOT NOTED AHEAD OF THIS FEATURE WHILE SUB TROPICAL TAP OF
MID/UPPER LEVEL MOISTURE IS EAST OF OUR CWA. AT THE SURFACE...LOW
PRESSURE WAS OVER NW IOWA WITH THE TROUGH AXIS PRETTY MUCH THROUGH
OUR CWA AS IT EXTENDS INTO SOUTHERN KS. 3 HOUR PRESSURE RISES BEHIND
FRONT OF 3 MB OVER CENTRAL SDAK WITH TIGHT PRESSURE GRADIENT OVER
NORTHERN NEB. DEWPOINTS POOLING ALONG/JUST BEHIND TROUGH AXIS AS
THEY RANGE FROM THE MID 50S TO LOWER 60S IN OUR CWA...COMPARED TO
MID 40S IN CENTRAL SDAK AND MID 30S IN CENTRAL NDAK.  POST FRONTAL
SHOWERS TO OUR NORTH EDGING CLOSER TO THE CWA AS OF 130PM LOCAL
TIME.

WE HAVE HAD ENOUGH SUNSHINE TODAY TO BOOST TEMPERATURES INTO THE 70S
OVER MUCH OF THE CWA IN SPITE OF NORTH WINDS. LOWER CLOUD DECK HAS
FINALLY REACHED THE NORTHERN PART OF THE CWA...ENDING THE HEATING
THERE FOR TODAY. HOWEVER ENOUGH WARMING HAS OCCURRED TO RESULT IN ML
CAPE VALUES BETWEEN 500-1000 J/KG BY EARLY AFTERNOON. EARLIER
SCENARIO OF SHOWERS WITH SOME THUNDERSTORMS STILL SEEMS REASONABLE
THE REST OF THE AFTERNOON WITH A FEW STRONG STORMS POSSIBLE IN THE
SOUTHEAST THIRD OF THE CWA.  ALSO EXPECT IT TO GET QUITE BREEZY OVER
THE CWA THROUGH SUNSET DUE TO GOOD SURFACE PRESSURE GRADIENT NOTED
ABOVE.

EXPECT THE BULK OF THE PRECIPITATION TO BE OVER BY SUNSET DUE TO THE
PROGRESSIVE NATURE OF THE MID LEVEL WAVE AND COLD FRONT. THE WINDS
SHOULD SETTLE DOWN JUST A BIT AFTER SUNSET BUT STILL BE IN THE 10-20
MPH RANGE OVERNIGHT. SATURDAY IS SHAPING UP TO BE QUITE PLEASANT
WITH PLENTY OF SUNSHINE AS DRIER AIR DROPS IN FROM THE NORTH. IT
WILL BE ABOUT 10 DEGREES COOLER THAN NORMAL...BUT ALL IN ALL NOT TOO
BAD.

.LONG TERM...(SATURDAY NIGHT THROUGH FRIDAY)
ISSUED AT 227 PM CDT FRI MAY 29 2015

LONGER TERM FORECAST STARTS OF QUITE COOL...AND TURNS SUMMER-LIKE
AFTER A COUPLE DAYS. SURFACE HIGH PRESSURE RIDGE WILL WORK EAST
ACROSS THE CENTRAL AND NORTHERN PLAINS SATURDAY EVENING BRINGING
WELL BELOW NORMAL TEMPERATURES TO THE REGION. LOOK FOR LOWS DOWN
INTO THE 40S...WITH LOWER 40S AT SOME LOCATIONS. THAT WOULD BE AT
LEAST 10 DEGREES BELOW NORMAL. WESTERN AREAS MAY LEVEL OFF TOWARD
DAWN AS SOUTHERLY FLOW RETURNS ALREADY BY THEN.

WITH TEMPERATURES REMAINING SEASONABLY COOLISH SUNDAY...SOUTH WINDS
WILL INCREASE BY LATE AFTERNOON MARKING A TRANSITION TO INCREASING
LOW LEVEL MOISTURE AND WARM ADVECTION. NAM/GFS/CANADIAN/SREF/ECMWF
PROGS ARE POINT TOWARD OVERNIGHT CONVECTION LATE SUNDAY NIGHT...AS A
LOW LEVEL JET TAPS INCREASING THETAE MOISTURE AND STEEPENING MID
LEVEL LAPSE RATES. HAVE CONTINUED THE RAIN CHANCE AND TRIED TO TIME
IT TO THE AFTER MIDNIGHT/BEFORE NOON TIMEFRAME COMMON WITH THESE
EVENTS. THERE MAY BE A BIT OF TEMPERATURE HOLD BACK MONDAY IN THE
EASTERN FORECAST AREA WITH CLOUDS LINGERING...BUT TEMPERATURES WILL
JUMP ABOVE NORMAL FOR MOST AREAS BY LATE AFTERNOON...THANKS IN PART
TO A SOLID SOUTH BREEZE.

THE REST OF THE WEEK IS MORE SUMMER-LIKE AS UPPER LEVEL RIDGING
ATTEMPTS TO BE THE MAIN PLAYER...ALTHOUGH IT TENDS TO GIVE WAY
TO TROUGH TO THE WEST BY WEEKS END. AN INTERESTING WEEK BECAUSE
IT WON/T BE AS "WET" AS PREVIOUS FEW WEEKS...BUT MAY NOT BE "DRY"
EITHER. WE HAVE ANOTHER SHOT AT ISOLATED SHOWERS/STORMS LATE MONDAY
NIGHT AND EARLY TUESDAY TO START...SIMILAR TO SUNDAY NIGHT/MONDAY.
BETTER CHANCES APPEAR TO BE MID/LATE WEEK WITH A COUPLE OF HIGH
PLAINS CONVECTIVE EPISODES WORKING EAST AT NIGHT. TOO EARLY TO NAIL
DOWN SPECIFICS OF ANY PRECIPITATION POSSIBILITIES 5-7 DAYS OUT IN
THIS TYPE OF WEATHER PATTERN. FIRST PART OF THE WEEK SHOULD HAVE A
GOOD SOUTH BREEZE...AND TEMPERATURES WILL BE AT OR ABOVE NORMAL ON
AVERAGE EVEN WITH THE CLOUDS AND RAIN CHANCES.

&&

.AVIATION...(FOR THE 18Z KGRI/KEAR TAFS THROUGH 18Z SATURDAY AFTERNOON)
ISSUED AT 1208 PM CDT FRI MAY 29 2015

COLD FRONT DROPPING SOUTH THROUGH THE AREA AND WINDS HAVE ALREADY
SWITCHED TO THE NW. THESE WILL TURN MORE NORTHERLY THE REST OF THE
AFTERNOON AND INCREASE IN SPEEDS WITH A GOOD PRESSURE SURGE BEHIND
THE FRONT. COULD ALSO SEE MVFR CONDITIONS WITH POST FRONTAL LOWER
CLOUDS AND SOME RAIN BY MID AFTERNOON. RAIN SHOULD END AFTER
SUNSET BUT LOWER CLOUDS COULD HANG AROUND OVERNIGHT BEFORE SKIES
CLEAR DURING AFTER SUNRISE SATURDAY.

&&

.GID WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
KS...NONE.
&&

SHORT TERM...EWALD
LONG TERM...MORITZ
AVIATION...EWALD

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
324 PM CDT FRI MAY 29 2015

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
301200-
PHILLIPS-SMITH-JEWELL-ROOKS-OSBORNE-MITCHELL-VALLEY-GREELEY-NANCE-
SHERMAN-HOWARD-MERRICK-POLK-DAWSON-BUFFALO-HALL-HAMILTON-YORK-
GOSPER-PHELPS-KEARNEY-ADAMS-CLAY-FILLMORE-FURNAS-HARLAN-FRANKLIN-
WEBSTER-NUCKOLLS-THAYER-
324 PM CDT FRI MAY 29 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE THE REMAINDER OF
THE AFTERNOON AND INTO THE EVENING. WHILE WIDESPREAD SEVERE
WEATHER IS NOT EXPECTED...A STRONG STORM MAY PRODUCE DIME SIZE
HAIL AND 40 MPH WINDS FOR LOCATIONS MAINLY SOUTH OF INTERSTATE
80.

FLOOD WARNINGS OR ADVISORIES REMAIN ALONG PARTS OF THE PLATTE
RIVER BETWEEN GOTHENBURG AND THE CENTRAL CITY AREA. PLEASE REFER
TO THE LATEST FLOOD STATEMENTS FOR ADDITIONAL INFORMATION.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

ISOLATED NON-SEVERE THUNDERSTORMS ARE IN THE FORECAST LATE SUNDAY
NIGHT AND MONDAY MORNING. THERE ARE PERIODIC CHANCES FOR
THUNDERSTORMS FROM MONDAY NIGHT THROUGH THURSDAY...OFTEN CENTERED
ON THE EVENING AND OVERNIGHT HOURS.

FLOOD WARNINGS OR ADVISORIES WILL REMAIN ALONG PARTS OF THE PLATTE
RIVER BETWEEN GOTHENBURG AND CENTRAL CITY. PLEASE REFER TO THE
LATEST FLOOD STATEMENTS FOR ADDITIONAL INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION SHOULD NOT BE NEEDED THROUGH TONIGHT.

&&

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB PAGE:
   HTTP://WWW.WEATHER.GOV/HASTINGS  (ALL LOWERCASE)

EWALD/MORITZ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
510 PM CDT FRI MAY 29 2015

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

0504 PM     HAIL             1 W HOLBROOK            40.30N 100.03W
05/29/2015  E1.00 INCH       FURNAS             NE   TRAINED SPOTTER

            THIS OCCURRED ON HIGHWAY 6/34. ALSO...50 TO 60 MPH
            OCCURRED JUST BEFORE THE HAIL FELL.

&&

HEINLEIN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
554 PM CDT FRI MAY 29 2015

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

0534 PM     TSTM WND GST     EDISON                  40.28N 99.78W
05/29/2015  M57 MPH          FURNAS             NE   TRAINED SPOTTER

            MEASURED 57 MPH. KNOCKED OUT POWER TO ALL OF EDISON.

&&

SALTZMAN

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