Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 161, NWS Hastings, NE

June 18, 20144 counties in Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 18, 2014, 9:42 PM CDT for 4 counties in Nebraska. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 18, 2014, 9:42 PM CDT (02:42 UTC)
Expired
Jun 18, 2014, 10:15 PM CDT
In force
33 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Adams County, NE, Franklin County, NE, Kearney County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 24 km from the middle of the area, began a volume at 02:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.7 hours before the alert went out and 180 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2014-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1400 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2014-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1400 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
2004 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 6:59 PM CDT, 2 hours 43 minutes earlier.

Area forecast discussion, Jun 18, 6:59 PM CDT, 2 hours 43 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
659 PM CDT WED JUN 18 2014

.SHORT TERM...(THIS EVENING THROUGH THURSDAY)
ISSUED AT 422 PM CDT WED JUN 18 2014

MAP ANALYSIS INDICATES AN UPPER TROPOSPHERIC TROUGH OVER THE WESTERN
CONUS...AND A CLOSED LOW EMBEDDED WITHIN THE TROUGH OVER PORTIONS OF
MONTANA. AN UPPER TROPOSPHERIC RIDGE IS ALSO NOTED EXTENDING FROM
THE SOUTHEASTERN CONUS INTO THE MID-ATLANTIC. FINALLY...AN UPPER
TROPOSPHERIC SHORT WAVE...PIVOTING SOUTH OF THE CLOSE LOW...IS NOTED
BEGINNING TO EMERGE FROM THE LONGWAVE TROUGH INTO PORTIONS OF
COLORADO. ENHANCED UPPER TROPOSPHERIC FLOW EXTENDS FROM THE
NORTHWESTERN CONUS...SOUTH INTO THE SOUTHWESTERN CONUS...AND THEN
NORTHEAST ALONG THE ROCKY MOUNTAIN RANGE INTO SOUTH CENTRAL
CANADA...AND THEN EAST/SOUTHEAST INTO THE GREAT LAKES REGION AND THE
NORTHEASTERN CONUS. UPPER TROPOSPHERIC FLOW OVER OUR AREA IS FAIRLY
WEAK...ONLY MAXING OUT AT AROUND 30KTS NEAR 37000FT AGL. WATER VAPOR
IMAGERY INDICATES ENHANCED UPPER TROPOSPHERIC MOISTURE EXTENDING
FROM SOUTH CENTRAL CANADA...SOUTHEAST INTO THE GREAT LAKES REGION
AND THE NORTHEASTERN CONUS. AT THE SURFACE AN AREA OF LOW BAROMETRIC
PRESSURE IS NOTED OVER EASTERN COLORADO...WITH ANOTHER AREA OF LOW
BAROMETRIC PRESSURE OVER CENTRAL NEBRASKA. A LOWER TROPOSPHERIC
BAROCLINIC ZONE IS NOTED EXTENDING FROM EASTERN COLORADO...NORTHEAST
INTO CENTRAL NEBRASKA..AND THEN FARTHER NORTHEAST INTO SOUTHEASTERN
SOUTH DAKOTA. AN INVERTED SURFACE TROUGH EXTENDS NORTH FROM THE
CENTRAL NEBRASKA LOW...INTO NORTH CENTRAL NEBRASKA AND CENTRAL SOUTH
DAKOTA...AND A DRY LINE IS NOTED EXTENDING ACROSS PORTIONS OF
WESTERN KANSAS. THE LOWER TROPOSPHERIC WIND FIELD ACROSS EASTERN
PORTIONS OF OUR CWA REMAINS FROM THE SOUTH...BUT LOCATIONS FARTHER
WEST...TO THE WEST OF THE LOWER TROPOSPHERIC BAROCLINIC ZONE...IS
OBSERVING A WEST/NORTHWESTERLY WIND FIELD.

GUIDANCE SUGGESTS THE CLOSED UPPER TROPOSPHERIC LOW OVER MONTANA
WILL MOVE NORTHEAST THROUGH THE NEXT 24 HOURS...POSITIONING ITSELF
OVER SOUTHERN SASKATCHEWAN BY 00Z FRIDAY. THE UPPER TROPOSPHERIC
SHORT WAVE...CURRENTLY OVER COLORADO...IS ALSO EXPECTED TO MOVE
NORTHEAST THROUGH THE NEXT 24 HOURS...MOVING INTO THE CENTRAL HIGH
PLAINS BY 12Z THURSDAY AND INTO THE NORTHERN PLAINS BY 00Z FRIDAY.
AT THE SURFACE...THE AREAS OF LOW BAROMETRIC PRESSURE OVER CENTRAL
NEBRASKA AND EASTERN COLORADO ARE EXPECTED TO MOVE NORTHEAST THROUGH
THE NEXT 24 HOURS...THUS ALLOWING THE LOWER TROPOSPHERIC BAROCLINIC
ZONE TO MOVE EAST/SOUTHEAST ACROSS OUR AREA. THIS BAROCLINIC ZONE IS
EXPECTED TO RESIDE OVER SOUTHEASTERN PORTIONS OF OUR CWA BY 12Z
THURSDAY...AND CLEAR THE ENTIRE CWA THURSDAY AFTERNOON. THIS WILL
ALLOW FOR A NORTHWESTERLY LOWER TROPOSPHERIC WIND FIELD ACROSS THE
ENTIRE CWA BY 00Z FRIDAY.

GUIDANCE CONTINUES TO SUGGEST ISOLATED DEEP CONVECTION REMAINS
POSSIBLE ACROSS PORTIONS OF THE CWA LATE THIS AFTERNOON INTO THIS
EVENING. A SUBTLE INCREASE IN OMEGA AHEAD OF THE UPPER TROPOSPHERIC
SHORT WAVE OVER COLORADO...ALONG WITH DECREASING CIN VALUES...WOULD
SUGGEST THIS ISOLATED ACTIVITY COULD BE REALIZED MOST ANYWHERE
ACROSS THE CWA. THAT BEING SAID...PROXIMITY SOUNDINGS FROM THE NAM
AND OPERATIONAL GFS SUGGEST CIN VALUES WILL BE A TOUCH HIGHER THE
FARTHER NORTH/NORTHEAST YOU GO ACROSS THE CWA. IN ADDITION...LOWER
TROPOSPHERIC CONVERGENCE AND LIFT WILL BE LOCALLY MAXIMIZED ACROSS
SOUTHWESTERN PORTIONS OF OUR CWA NEAR THE INTERSECTION OF THE LOWER
TROPOSPHERIC BAROCLINIC ZONE AND DRY LINE. THE CAP HAS BEEN TOO
STRONG TO ALLOW FOR MUCH IN THE WAY OF DEEP CONVECTION THE PAST
COUPLE DAYS...AND THE SAME SETUP EXISTS AGAIN TODAY. BUT DUE TO THE
LOCALLY ENHANCED LIFT NEAR THE INTERSECTION OF THE LOWER
TROPOSPHERIC BAROCLINIC ZONE AND DRY LINE NEAR OUR SOUTHWESTERN CWA
...WE CANNOT IGNORE THE POSSIBILITY OF A FEW ISOLATED STORMS
DEVELOPING AND AS A RESULT...WENT AHEAD WITH 20-30% POPS ACROSS OUR
SOUTHWEST CWA STARTING AT 22Z.

OMEGA SHOULD CONTINUE TO INCREASE ACROSS THE REGION
TONIGHT...ESPECIALLY ACROSS OUR NEBRASKA COUNTIES...AS THE
AFOREMENTIONED UPPER TROPOSPHERIC SHORT WAVE ADVANCES NORTHEAST FROM
COLORADO INTO NEBRASKA AND EVENTUALLY THE NORTHERN PLAINS. GIVEN
THIS...WENT AHEAD WITH AN INCREASING TREND IN POPS ACROSS OUR NORTH
00-12Z...WITH POPS THEN DIMINISHING THURSDAY MORNING. IT APPEARS
THERE WILL BE ONE MORE OPPORTUNITY FOR CONVECTIVE DEVELOPMENT ACROSS
EAST IN THE VICINITY OF THE LOWER TROPOSPHERIC BAROCLINIC ZONE
CLEARING THE AREA. GIVEN THIS...WENT AHEAD WITH ~30% POPS ACROSS OUR
EAST THURSDAY AFTERNOON AND EVENING.

SHOULD THUNDERSTORMS BE REALIZED ACROSS THE CWA THIS AFTERNOON AND
EVENING...0-1KM MLCAPE VALUES OF ~2000J/KG WILL LIKELY BE AVAILABLE
FOR UPDRAFT PRODUCTION...WITH DEEP LAYER BULK SHEAR OF AROUND 20KTS.
SO ALTHOUGH THE PROBABILITY OF ACHIEVING THUNDERSTORM DEVELOPMENT IS
RELATIVELY LOW...AND DEEP LAYER BULK SHEAR IS FAIRLY WEAK...THERE
WILL STILL BE A THREAT FOR LARGE HAIL AND STRONG THUNDERSTORM WIND
GUSTS. WILL GO AHEAD AND CONTINUE THIS MENTION FOR THE ENTIRE CWA IN
THE HWO. SHOULD THUNDERSTORMS BE REALIZED ACROSS OUR EAST THURSDAY
AFTERNOON AND EVENING...0-1KM MLCAPE VALUES OF 2000-3000J/KG WILL
LIKELY ACCOMPANY DEEP LAYER BULK SHEAR OF ~30KTS. GIVEN THIS...WILL
GO AHEAD AND OUTLOOK THE POSSIBILITY OF SEVERE WEATHER ACROSS OUR
EAST THURSDAY AFTERNOON AND EVENING.

A COOLER LOWER TROPOSPHERIC AIR MASS WILL PROMOTE COOLER OVERNIGHT
TEMPERATURE READINGS TONIGHT WHEN COMPARED TO EARLY THIS
MORNING...WITH LOWS IN THE 60S TO NEAR 70 CURRENTLY FORECAST. A
COOLER DAY IS ALSO ANTICIPATED THURSDAY WHEN COMPARED TO
WEDNESDAY...WITH HIGHS IN THE 80S EXPECTED FOR MOST PART ON
THURSDAY.

.LONG TERM...(THURSDAY NIGHT THROUGH WEDNESDAY)
ISSUED AT 422 PM CDT WED JUN 18 2014

NO BIG CHANCES FROM PREVIOUS FORECAST FOR THIS 6-DAY PERIOD...AS
THERE CONTINUE TO BE A MULTITUDE OF CURRENTLY LESS THAN LIKELY
(LESS THAN 60 POPS) THUNDERSTORM CHANCES. IN FACT...11 OF THE 12
TWELVE-HOUR FORECAST PERIODS HERE FEATURE AT LEAST SLIGHT POPS
ACROSS SOME PORTION OF THE CWA...WITH THE SOLE EXCEPTION BEING
NEXT TUESDAY NIGHT...AT LEAST FOR NOW. ALTHOUGH STILL SUBJECT TO
PLENTY OF UNCERTAINTY...THE HIGHEST AND MOST WIDESPREAD COVERAGE
OF 40-50 POPS ARE CURRENTLY CONCENTRATED ON SATURDAY NIGHT AND
SUNDAY NIGHT-MONDAY DAYTIME...WITH SUNDAY NIGHT A POTENTIAL
CANDIDATE FOR A NEAR-FUTURE UPGRADE TO LIKELY POPS IF TRENDS HOLD.
AS FOR SEVERE WEATHER CHANCES...THERE ARE FORTUNATELY NO
PARTICULARLY-CONCERNING TIME FRAMES FOR HIGHER-END WIDESPREAD
SEVERE...BUT WILL PROBABLY HAVE TO WATCH SEVERAL PERIODS FOR AT
LEAST AN ISOLATED SEVERE THREAT...INCLUDING POTENTIALLY RIGHT AWAY
THURSDAY EVENING IN THE SOUTHEAST AS A CONTINUATION OF POSSIBLE
THURSDAY AFTERNOON CONVECTION DESCRIBED IN THE SHORT TERM
ABOVE...AND THEN FRIDAY AFTERNOON INTO FRIDAY NIGHT. ALTHOUGH WILL
SHY AWAY FROM EVEN MENTIONING MUCH IN THE WAY OF A SEVERE THREAT
BEYOND FRIDAY NIGHT DUE TO INHERENT UNCERTAINTY IN THE MESOSCALE
DETAILS...WOULD NOT BE SURPRISED TO SEE AT LEAST LOW-END SEVERE
PROBABILITIES (5-15 PERCENT) INTRODUCED IN UPCOMING STORM
PREDICTION CENTER OUTLOOKS FOR THE SATURDAY-MONDAY TIME FRAME.

BESIDES THUNDERSTORMS...THERE ARE CURRENTLY NO OTHER WEATHER
ELEMENTS FORECAST TO BREACH HAZARDOUS THRESHOLDS DURING THE LONG
TERM PERIOD...AS AT LEAST FOR NOW GRADIENT WIND SPEEDS ARE
FORECAST TO HOLD WELL-UNDER 30 MPH...AND HEAT INDEX VALUES ARE
FORECAST TO HOLD SAFELY BELOW 100 DEGREES.

SPEAKING OF HEAT...AND TURNING TO TEMPERATURES OVER THIS 6-DAY
PERIOD...THE OVERALL STORY STILL REMAINS THAT A VERY GRADUAL
COOLING TREND IS ANTICIPATED. MADE A FEW VERY SMALL UPWARD NUDGES
TO HIGHS MAINLY FRIDAY-SATURDAY (AND POTENTIALLY NOT
ENOUGH)...BUT HAVE HIGHS THESE DAYS GENERALLY UPPER 80S-LOWER 90S
MOST AREAS. SUNDAY IS THEN AIMED INTO MAINLY THE MID-UPPER 80S
RANGE FOR NOW...BEFORE A SLIGHTLY MORE NOTICEABLE DOWNTURN COMES
IN FOR MONDAY-WEDNESDAY WITH HIGHS GENERALLY RANGING LOW-80S NORTH
TO MD 80S SOUTH. OVERNIGHT LOWS THROUGH THE PERIOD ARE CURRENTLY
AIMED JUST SLIGHTLY ABOVE LATE-JUNE AVERAGES WITH MOST NIGHTS
AVERAGING SOMEWHERE IN/NEAR THE MID-60S.

TURNING TO A BIT MORE METEOROLOGICAL DETAIL AND TAKING IT IN
CHRONOLOGICAL BLOCKS...

THURSDAY EVENING/NIGHT STARTING AT 00Z/7PM...THE MAIN CHANGE FROM
PREV FCST HERE WAS THAT MENTIONABLE POPS WERE PULLED FROM THE LATE
NIGHT HOURS...AND EVEN DURING THE EVENING ONLY HAVE A FAIRLY
LIMITED AREA OF 20-30 POPS CONFINED TO SOUTHEAST ZONES...MAINLY
SOUTHEAST OF A HEBRON-STOCKTON LINE. IN THE MID-UPPER
LEVELS...RIGHT AWAY EARLY THURS EVENING A FAIRLY VIGOROUS
SHORTWAVE TROUGH WILL BE IN THE PROCESS OF DEPARTING EAST-
NORTHEAST OF THE LOCAL AREA ACROSS NORTHEAST NEB/DAKOTAS INTO MN.
MEANWHILE AT THE SURFACE...A WEAKENING COLD FRONT WILL BE IN THE
PROCESS OF SLOWING DOWN/STALLING OUT IN THE SOUTHEASTERN CWA. PER
THE SHORT TERM DISCUSSION ABOVE...AND ALSO MODEL DEPICTION SUCH AS
FROM THE GFS WITH UP TO AROUND 1500 J/KG MIXED LAYER CAPE IN THE
PRESENCE OF ONLY MODEST DEEP-LAYER SHEAR AROUND 30KT...CANNOT
COMPLETELY RULE OUT A LINGERING SEVERE STORM THREAT MAINLY RIGHT
AWAY IN THAT 7PM-10PM TIME FRAME IN THE AFOREMENTIONED FAR
SOUTHEAST. THAT BEING SAID...THE 12Z 4KM WRF-NMM/ARW SOLUTIONS ARE
FAIRLY INSISTENT THAT ALL STORM ACTIVITY SHOULD BE AT LEAST
SLIGHTLY SOUTHEAST OF THE CWA BY THE START OF THE THURSDAY EVENING
TIME FRAME. ALTHOUGH AM NOT SAYING THERE IS A ZERO CHANCE OF
LATER-NIGHT STORMS IN SOUTHERN ZONES AS SOME ELEVATED INSTABILITY
WILL LINGER...PROBABILITIES ARE TOO LOW TO MENTION AS THERE IS
LACK OF LARGE SCALE FORCING IN THE WAKE OF THE DEPARTING
SHORTWAVE...AND ALSO MEAGER LOW LEVEL JET SUPPORT. UPPED LOWS 2-3
DEGREES FROM PREV FCST...AIMING FOR A RANGE FROM NEAR-60 FAR
NORTHWEST TO UPPER 60S FAR SOUTHEAST.

FRIDAY-FRIDAY NIGHT...AS WAS THE CASE WITH LATE THURS
NIGHT...PULLED ANY MENTION OF SHOWERS/STORMS FROM THE MORNING
HOURS AS INSTABILITY-FORCING REMAINS FAIRLY LOW IN THE FACE OF
SUBTLE SHORTWAVE RIDGING. DID HOWEVER MAINTAIN SOME FAIRLY LOW-
CONFIDENCE 20-30 POPS FOR THE AFTERNOON AND OVERNIGHT HOURS AS THE
NEXT SUBTLE RIPPLES OF MID LEVEL ENERGY RIPPLE EASTWARD INTO THE
CENTRAL PLAINS IN SLOWLY-WEAKENING QUASI-ZONAL FLOW. ALTHOUGH
INSTABILITY IS SEASONABLY DECENT...DEEP LAYER WIND SHEAR LOOKS TO
STRUGGLE TO AVERAGE MORE THAN 20KT...SO ALTHOUGH SPC HAS BLANKETED
THE CWA WITH TOKEN 5 PERCENT SEVERE PROBS ON THE CURRENT DAY 3
OUTLOOK...JUST DON/T FORESEE A WIDESPREAD SEVERE THREAT.
FURTHERMORE...MODELS SUCH AS THE ECMWF/GFS STEER THE VAST MAJORITY
OF REGIONAL CONVECTION JUST OUTSIDE OF THE CWA TO THE WEST THROUGH
NORTH.

SATURDAY-SATURDAY NIGHT...THERE IS INCREASING CONFIDENCE THAT MOST
IF NOT THE ENTIRE DAY COULD REMAIN STORM-FREE BUT AT LEAST FOR NOW
LINGERED SOME TOKEN 20 POPS ALL AREAS BUT REDUCED SOME AREAS FROM
PREVIOUS 30S. THEN SATURDAY NIGHT...AT LEAST SOMEWHAT BETTER STORM
CHANCES ENTER THE PICTURE AS THE NEXT SOMEWHAT DECENT LOW
AMPLITUDE DISTURBANCE ENTERS THE PLAINS...ALTHOUGH POPS ARE ONLY
IN THE 40-50 RANGE FOR NOW.

SUNDAY DAYTIME THROUGH MONDAY DAYTIME...SOME OF THE OVERALL
HIGHEST-POPS OF THE LONG TERM CONTINUE DURING THIS 36-HOUR
PERIOD...BUT ESPECIALLY FOR SUNDAY NIGHT INTO MONDAY AS MODELS
SUCH AS THE 12Z ECMWF/GFS ARE IN RATHER GOOD AGREEMENT ON NOT ONLY
DROPPING A SOMEWHAT STRONGER MID LEVEL WAVE INTO THE REGION FROM
THE WEST-NORTHWEST...BUT ALSO BRINGING THROUGH A MODEST SURFACE
COLD FRONT AS WELL. ALMOST INTRODUCED LIKELY 60+ POPS TO THE
SUNDAY NIGHT PERIOD...BUT GIVEN THIS IS STILL SEVERAL DAYS AWAY
FELT IT MIGHT BE PRUDENT TO KEEP POPS CAPPED AT 40S-50S FOR AT
LEAST A SHORT WHILE LONGER PENDING MODEL TRENDS.

MONDAY NIGHT-TUESDAY NIGHT...THERE ARE INDICATIONS THAT MOST OF
THE CWA SHOULD STAY DRY THE MAJORITY OF THIS TIME IN THE WAKE OF
THE DEPARTING DISTURBANCE AND SUBSEQUENT WEAK PREVAILING
RIDGING...BUT AT LEAST FOR NOW WILL LET SOME TOKEN...MAINLY 20
SLIGHT POPS RIDE MON NIGHT-TUESDAY DAYTIME...WHILE LEAVING TUES
NIGHT VOID OF ANY STORM CHANCES AT THIS TIME.

FINALLY FOR WEDNESDAY DAYTIME...CONFIDENCE IS OBVIOUSLY QUITE LOW
AT THIS TIME RANGE...BUT PLAYED ALONG WITH OUR DEFAULT MULTI-MODEL
BLEND IN ADVERTISING SOME TOKEN SLIGHT SHOWER/STORM CHANCES IN
MOST AREAS.

&&

.AVIATION...(FOR THE 00Z TAFS THROUGH 00Z THURSDAY EVENING)
ISSUED AT 638 PM CDT WED JUN 18 2014

VFR CONDITIONS ARE EXPECTED THROUGH THE TAF PERIOD...WITH CIGS
EVENTUALLY LOWERING TO NEAR 6KFT LATER THIS EVENING. WINDS WILL
REMAIN GUSTY AND OUT OF THE SOUTH FOR THE NEXT FEW HOURS...BEFORE
BECOMING LIGHT AND VARIABLE DURING THE LATE EVENING AND OVERNIGHT
HOURS. IN ADDITION...THUNDERSTORM CHANCES WILL INCREASE
TONIGHT...WITH SOME BRIEF MVFR CIGS/VSBYS POSSIBLE IF A
THUNDERSTORM CROSSES THE TERMINAL. CLEARING SKIES AND
NORTHWESTERLY WINDS ARE EXPECTED BEHIND THE APPROACHING FRONT FOR
THURSDAY.

&&

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

SHORT TERM...BRYANT
LONG TERM...PFANNKUCH
AVIATION...ROSSI
Hazardous weather outlook, Jun 18, 3:40 PM CDT, 6 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
340 PM CDT WED JUN 18 2014

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
191200-
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-
340 PM CDT WED JUN 18 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON INTO EARLY
THIS EVENING...PRIMARILY SOUTH OF I-80. THUNDERSTORMS WILL THEN BE
POSSIBLE ACROSS THE ENTIRE OUTLOOK AREA AFTER 7 PM. SEVERE WEATHER
WILL BE POSSIBLE SHOULD THUNDERSTORMS BE REALIZED...WITH HAIL TO
THE SIZE OF GOLF BALLS AND THUNDERSTORM WIND GUSTS TO AROUND 60
MPH BEING THE PRIMARY SEVERE WEATHER THREATS. HEAVY RAINFALL COULD
ALSO PROMOTE LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

LINGERING THUNDERSTORMS WILL BE POSSIBLE THURSDAY MORNING ACROSS
PORTIONS OF THE OUTLOOK AREA...PRIMARILY EAST OF HIGHWAY
183...HOWEVER SEVERE WEATHER IS NOT ANTICIPATED WITH THIS
ACTIVITY.

ADDITIONAL THUNDERSTORM ACTIVITY WILL THEN BE POSSIBLE THURSDAY
AFTERNOON AND EVENING...PRIMARILY ALONG AND EAST OF A LINE FROM
STOCKTON AND SMITH CENTER IN KANSAS...TO HASTINGS...GRAND ISLAND
AND FULLERTON IN NEBRASKA. SOME THUNDERSTORMS THURSDAY AFTERNOON
AND EVENING COULD BE SEVERE...WITH HAIL TO THE SIZE OF GOLF BALLS
AND THUNDERSTORM WIND GUSTS TO AROUND 60 MPH BEING THE PRIMARY
THREATS.

AT LEAST SLIGHT THUNDERSTORM CHANCES RETURN TO THE ENTIRE OUTLOOK
AREA FRIDAY AFTERNOON INTO FRIDAY NIGHT. ALTHOUGH WIDESPREAD
SEVERE THUNDERSTORMS ARE NOT ANTICIPATED...AT LEAST A
LIMITED...FAIRLY ISOLATED THREAT FOR STRONG TO POSSIBLY SEVERE
STORMS EXISTS WITHIN THE ENTIRE AREA.

FROM SATURDAY THROUGH NEXT WEDNESDAY...THERE ARE SEVERAL
THUNDERSTORM CHANCES IN THE FORECAST...WITH MOST OF THESE CHANCES
CURRENTLY FAIRLY LOW. HOWEVER...THERE ARE SOMEWHAT HIGHER CHANCES
FOR POTENTIALLY MORE WIDESPREAD THUNDERSTORM ACTIVITY MAINLY FOR
SATURDAY NIGHT...AND AGAIN SUNDAY NIGHT INTO MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT.

&&

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

BRYANT/PFANNKUCH

In the hours before

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Local storm report, Jun 18, 9:19 PM CDT, 23 minutes before
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Special weather statement, Jun 18, 9:22 PM CDT, 20 minutes before
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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 8:58 PM CDTSevere Thunderstorm WarningGIDHarlan47 min
Jun 18, 9:10 PM CDTSevere Thunderstorm WarningGIDFranklin, Webster35 min
Jun 18, 9:22 PM CDTSpecial Weather StatementGIDFranklin, Harlan, Kearney23 min
Jun 18, 10:13 PM CDTSpecial Weather StatementGIDAdams, Clay, Webster32 min
Jun 18, 10:44 PM CDTSevere Thunderstorm WarningGIDAdams, Clay, Hall, Hamilton, Webster46 min
Jun 18, 11:13 PM CDTSevere Thunderstorm WarningGIDClay, Hamilton, York47 min
Jun 18, 11:22 PM CDTSpecial Weather StatementGIDValley23 min
Jun 18, 11:33 PM CDTSpecial Weather StatementGIDGreeley12 min
Jun 18, 11:45 PM CDTSpecial Weather StatementGIDPolk30 min
Jun 19, 12:37 AM CDTSpecial Weather StatementGIDDawson8 min
Jun 19, 12:54 AM CDTSpecial Weather StatementGIDDawson, Furnas, Gosper36 min
Jun 19, 1:31 AM CDTSpecial Weather StatementGIDBuffalo, Dawson, Kearney, Phelps44 min
Jun 19, 2:17 AM CDTSpecial Weather StatementGIDBuffalo, Sherman, Valley28 min
Jun 19, 2:45 AM CDTSpecial Weather StatementGIDSherman30 min
Jun 19, 2:59 AM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Sherman, Valley46 min
Jun 18, 8:08 PM CDTSpecial Weather StatementGIDPhillips52 min
Jun 18, 8:20 PM CDTSevere Thunderstorm WarningGIDPhillips, Rooks40 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2014Every severe thunderstorm warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.