Alert archive / Nebraska / Tornado Warnings in 2010

Tornado Warning 25, NWS Hastings, NE

June 20, 2010Nuckolls County, Nebraska; Jewell County, Kansas

NWS Hastings, NE issued this tornado warning at Jun 20, 2010, 7:39 PM CDT for Nuckolls County, Nebraska; Jewell County, Kansas. It was in force for 28 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 20, 2010, 7:39 PM CDT (00:39 UTC)
Expired
Jun 20, 2010, 8:07 PM CDT
In force
28 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

Counties Jewell County, KS, Nuckolls County, NE

The radar

The Grand Island radar (KUEX), 46 km from the middle of the area, began a volume at 00:39 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 20, 3:07 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.7 hours before the alert went out and 210 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, Omaha, NE at 00:00Z on 2010-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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, Omaha, NE at 00:00Z on 2010-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 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
30 J/kg
Mixed-layer CIN
-495 J/kg
Mixed-layer LCL
1283 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Jun 20, 7:10 PM CDT, 29 minutes earlier.

Area forecast discussion, Jun 20, 7:10 PM CDT, 29 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
710 PM CDT SUN JUN 20 2010

.AVIATION...00Z TAF. FRONTAL BOUNDARY CONTINUES TO BE LOCATED
SOUTH OF KGRI AND THE FRONT WILL BE THE FOCUS FOR SEVERE
THUNDERSTORMS THROUGH TONIGHT. EXPECT NEW THUNDERSTORMS TO DEVELOP
NORTH OF THE FRONT IMPACTING KGRI BY LATER THIS EVENING. THIS WILL
RESULT IN THE POSSIBILITY OF VERY HEAVY RAIN...LARGE HAIL AND
DAMAGING WINDS FROM THESE STORMS. HAVE KEPT CLOUD HEIGHTS IN THE
MVFR TO VFR CATEGORY WITH WINDS FROM AN OVERALL EASTERLY TO
SOUTHEASTERLY DIRECTION BUT WINDS WILL BE STRONGER AND VARIABLE
DURING STORMS.

&&

.PREV DISCUSSION... /ISSUED 246 PM CDT SUN JUN 20 2010/

SHORT TERM...TONIGHT THROUGH MONDAY NIGHT.  FOCUS IS ON SEVERE
WEATHER POTENTIAL THE NEXT COUPLE OF NIGHTS.  EARLY AFTN SFC LOW
PRESSURE WAS CENTERED IN SOUTHEAST COLORADO AND THE WARM FRONTAL
BOUNDARY STRETCHED NORTHEAST THRU WEST CENTRAL KANSAS INTO NORTH
CENTRAL KANSAS.  THIS FRONTAL POSITION IS FARTHER SOUTH THAN MODELS
PROGGED FOR TODAY AND IS SIMILAR TO THE FRONTAL BOUNDARY POSITION
ON SATURDAY. MOISTURE HAS POOLED ALONG THE BOUNDARY WITH DPS IN
THE LOWER 70S AND LATEST LAPS SHOWS SFC BASED CAPES IN EXCESS OF
4000 J/KG ALONG OUR SOUTHERN CWA AND SHEAR VALUES ARE AROUND
40KTS. VISIBLE SATELLITE IMAGERY SHOWS A CU FIELD DEVELOPING ALONG
THE FRONT IN NORTH CENTRAL KANSAS. SHLD JUST BE A MATTER OF TIME
BEFORE TSTMS REDEVELOP...AND STORMS ARE EXPECTED TO RAPIDLY BECOME
SEVERE IN THE UNSTABLE CONDITIONS. ENVIRONMENT IS SUPPORTIVE OF SUPERCELLS
AND VERY LARGE HAIL...DAMAGING WINDS AND TORNADOES IN THE VICINITY
OF THE FRONT WILL BE POSSIBLE. PRECIPITABLE WATER VALUES ARE
PROGGED FROM AN INCH AND A HALF TO JUST OVER TWO INCHES TONIGHT
AND VERY HEAVY RAINFALL IS EXPECTED...WHICH MAY LEAD TO
ADDITIONAL FLOODING. WE HAD SOME RAIN AMOUNTS OVER 3.75 INCHES IN
THE LAST 24 HOURS AND ADDITIONAL HEAVY RAINFALL ON THE ALREADY
SATURATED GROUND WILL AGGRAVATE ONGOING FLOODING AND HIGH RIVER
LEVELS. ISSUED A FLASH FLOOD WATCH EARLIER FOR SOUTH CENTRAL
NEBRASKA UNTIL 12Z MONDAY AND WILL EXTEND THIS TO OUR NORTH
CENTRAL KANSAS COUNTIES GIVEN THE FARTHER SOUTH FRONTAL POSITION.
THE LLVL JET IS PROGGED TO INCREASE TO AROUND 45KTS
OVERNIGHT...WHICH WILL SUSTAIN CONVECTION AND SEVERE POTENTIAL
REMAINS IN THE ELEVATED INSTABILITY AXIS. TIMING OF TSTMS TONIGHT
INTO TOMORROW IS NOT IN AGREEMENT AMONG MODELS WITH THE 12Z SPC
WRF SUGGESTING THAT CONVECTION WILL RAPIDLY LIFT OUT AFTER 06Z
MONDAY WHEREAS THE NAM HOLDS ONTO CONVECTION INTO MONDAY MORNING.

FRONTAL BOUNDARY POSITION ON MONDAY WILL BE SIMILAR TO THE LAST
COUPLE OF DAYS...AND MODELS AGAIN ATTEMPT TO LIFT THE FRONT TO
THE NEB BORDER...BUT WE WILL SEE. ANOTHER ROUND OF STORMS IS
EXPECTED TO DEVELOP DURING THE EVENING/NIGHT ALONG AHEAD OF THE
FRONT. ENVIRONMENTAL PARAMETERS ARE SIMILAR AND SEVERE
WEATHER/HEAVY RAIN ARE POSSIBLE AGAIN. TEMPS WILL BE DEPENDENT
UPON FRONTAL POSITION AND REMNANT CLOUD COVER WITH MAINLY 80S
EXPECTED NORTH OF THE FRONT AND 90S TO THE SOUTH.

LONG TERM...TUESDAY THROUGH SUNDAY. MAIN FORECAST CONCERNS WILL BE
CHANCES FOR THUNDERSTORMS TUESDAY THROUGH THURSDAY NIGHT AND
TEMPERATURES.

SOME LINGERING THUNDERSTORMS ARE POSSIBLE IN THE NORTHEAST PART OF
THE FORECAST AREA TUESDAY MORNING BUT THEY SHOULD DIMINISH DURING
THE DAY AND REMAIN DRY THROUGH THE DAY. A COLD FRONT MOVES INTO THE
FORECAST AREA DURING THE AFTERNOON AND AS AN UPPER WAVE MOVES INTO
THE AREA TUESDAY NIGHT THE CHANCE FOR THUNDERSTORMS RETURNS. THE
BEST CHANCE FOR THUNDERSTORMS WILL BE IN THE NORTHERN PART OF THE
FORECAST AREA CLOSER TO THE UPPER WAVE.

BY WEDNESDAY THE FRONT SINKS TO THE SOUTH AND THE UPPER WAVE IS
MOVING TO THE EAST. PRECIPITATION SHOULD BE DONE AND THE DAY LOOKS
LIKE IT SHOULD REMAIN DRY. TEMPERATURES SHOULD BE ABOVE NORMAL.

WEDNESDAY NIGHT THROUGH THURSDAY NIGHT AN UPPER LEVEL WAVE MOVES
THROUGH THE AREA AND WITH THE SURFACE LOW AND FRONT ACROSS KANSAS
AGAIN EXPECT THAT THERE COULD BE SOME SHOWERS AND THUNDERSTORMS
AROUND THE AREA. THE BEST CHANCE WILL BE WEDNESDAY NIGHT AS THE
UPPER WAVE IS THE STRONGEST DURING THAT TIME. THUNDERSTORMS MAY
LINGER INTO THURSDAY MORNING...THEN EXPECT A BIT OF A BREAK DURING
THE DAY BEFORE THE NEXT WEAK WAVE MOVES INTO THE AREA LATE IN THE
AFTERNOON OR DURING THE EVENING. TEMPERATURES SHOULD REMAIN ON THE
WARM SIDE.

FRIDAY THROUGH SUNDAY A RIDGE BUILDS INTO THE AREA. DRIER AIR
SPREADS ACROSS THE AREA AND DESPITE A FRONT MOVING THROUGH SATURDAY
AND SATURDAY NIGHT EXPECTING A DRY FORECAST. WITH THE RIDGE BUILDING
ACROSS THE AREA EXPECT THAT TEMPERATURES WILL BE MUCH WARMER THAN
NORMAL.

&&

.GID WATCHES/WARNINGS/ADVISORIES...
NE...FLASH FLOOD WATCH THROUGH MONDAY MORNING FOR NEZ039>041-046>049-
     060>064-072>077-082>087.

KS...FLASH FLOOD WATCH THROUGH MONDAY MORNING FOR KSZ005>007-017>019.

&&
Hazardous weather outlook, Jun 20, 3:34 PM CDT, 4 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HASTINGS NE
334 PM CDT SUN JUN 20 2010

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
211200-
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-
334 PM CDT SUN JUN 20 2010

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

.DAY ONE...TONIGHT.

A FLASH FLOOD WATCH IS IN EFFECT UNTIL 7 AM MONDAY. PLEASE REFER
TO THE LATEST FLASH FLOOD MESSAGE FOR FURTHER INFORMATION.

SEVERE THUNDERSTORMS ARE EXPECTED THROUGH TONIGHT. THE STORMS WILL
INITIATE ALONG A FRONTAL BOUNDARY IN NORTH CENTRAL KANSAS...AND
RAPIDLY BECOME SEVERE. THE SEVERE WEATHER WILL MOVE INTO SOUTH
CENTRAL NEBRASKA THIS EVENING AND TONIGHT.

VERY LARGE HAIL TO THE SIZE OF TENNIS BALLS AND DAMAGING WINDS OF
70 MPH WILL BE THE PRIMARY HAZARDS. ISOLATED TORNADOES ARE ALSO
POSSIBLE NEAR THE FRONTAL BOUNDARY IN NORTH CENTRAL KANSAS AND
MAINLY SOUTH OF INTERSTATE 80 IN NEBRASKA.

ANOTHER CONCERN FROM THE STORMS WILL BE EXTREMELY HEAVY RAINFALL.
THE STORMS WILL BE CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS...
LEADING TO FLOODING PROBLEMS.

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

THERE ARE INTERMITTENT CHANCES FOR THUNDERSTORMS FROM MONDAY THROUGH
THURSDAY NIGHT...GENERALLY FAVORING THE EVENING AND OVERNIGHT
HOURS. CONDITIONS WILL BE FAVORABLE FOR SEVERE THUNDERSTORMS AND
HEAVY RAINFALL BOTH MONDAY AND TUESDAY.

TEMPERATURES WILL BE HOT ACROSS NORTH CENTRAL KANSAS THROUGH AT
LEAST TUESDAY. DAILY HIGH TEMPERATURES WILL BE IN THE MIDDLE 90S
TO AROUND 100...AND AFTERNOON HEAT INDEX VALUES OF 95 TO 105
DEGREES ARE FORECAST.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED THROUGH TONIGHT.

&&

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

In the hours before

Local storm report, Jun 20, 7:00 PM CDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
700 PM CDT SUN JUN 20 2010

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

0658 PM     TSTM WND GST     DOWNS                   39.50N 98.55W
06/20/2010  E60 MPH          OSBORNE            KS   STORM CHASER

&&

DOXEY
Special weather statement, Jun 20, 7:04 PM CDT, 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
704 PM CDT SUN JUN 20 2010

NEZ085-086-210045-
NUCKOLLS NE-WEBSTER NE-
704 PM CDT SUN JUN 20 2010

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN NUCKOLLS AND
SOUTHEASTERN WEBSTER COUNTIES UNTIL 745 PM CDT...

AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR BOSTWICK...OR 39 MILES SOUTH OF HASTINGS...
MOVING NORTHEAST AT 30 MPH.

HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  SUPERIOR...

THIS STORM MAY INTENSIFY....AND A TORNADO WATCH IS IN EFFECT FOR THIS
AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS
LOCAL CABLE TV OUTLETS....FOR ADDITIONAL INFORMATION AND POSSIBLE
WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4019 9804 4000 9805 4000 9842 4018 9842
TIME...MOT...LOC 0005Z 218DEG 26KT 4005 9820
Local storm report, Jun 20, 7:11 PM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
711 PM CDT SUN JUN 20 2010

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

0703 PM     TSTM WND GST     4 NE GAYLORD            39.69N 98.79W
06/20/2010  M70 MPH          SMITH              KS   STORM CHASER

&&

DOXEY
Local storm report, Jun 20, 7:17 PM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
717 PM CDT SUN JUN 20 2010

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

0715 PM     TORNADO          3 E LEBANON             39.81N 98.50W
06/20/2010                   JEWELL             KS   STORM CHASER

&&

DOXEY
Local storm report, Jun 20, 7:26 PM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
726 PM CDT SUN JUN 20 2010

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

0725 PM     HEAVY RAIN       KIRWIN                  39.67N 99.12W
06/20/2010  M1.85 INCH       PHILLIPS           KS   CO-OP OBSERVER

            RAINFALL SINCE 6 AM THIS MORNING.

&&

DOXEY
Local storm report, Jun 20, 7:39 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 7:04 PM CDTSpecial Weather StatementGIDNuckolls41 min
Jun 20, 7:40 PM CDTSevere Thunderstorm WarningGIDGreeley, Valley50 min
Jun 20, 7:58 PM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer47 min
Jun 20, 8:01 PM CDTAreal Flood AdvisoryGIDNuckolls, Thayer, Webster9 hr
Jun 20, 8:02 PM CDTSpecial Weather StatementGIDSherman43 min
Jun 20, 8:35 PM CDTSpecial Weather StatementGIDGreeley40 min
Jun 20, 8:46 PM CDTSpecial Weather StatementGIDValley44 min
Jun 20, 9:10 PM CDTAreal Flood AdvisoryGIDGreeley9 hr
Jun 20, 9:31 PM CDTHigh Wind WarningGIDAdams, Clay, Fillmore, Nuckolls, Thayer, Webster92 min
Jun 20, 11:53 PM CDTSpecial Weather StatementGIDGosper37 min
Jun 21, 12:05 AM CDTSpecial Weather StatementGIDDawson25 min
Jun 21, 12:44 AM CDTSpecial Weather StatementGIDKearney31 min
Jun 21, 12:48 AM CDTSpecial Weather StatementGIDHamilton, Merrick27 min
Jun 21, 1:12 AM CDTSpecial Weather StatementGIDAdams33 min
Jun 21, 1:17 AM CDTSpecial Weather StatementGIDPolk28 min
Jun 21, 1:34 AM CDTSpecial Weather StatementGIDFurnas41 min
Jun 21, 2:04 AM CDTSpecial Weather StatementGIDClay26 min
Jun 21, 2:16 AM CDTSevere Thunderstorm WarningGIDFurnas, Gosper, Harlan, Phelps44 min
Jun 21, 2:27 AM CDTAreal Flood AdvisoryGIDYork4 hr
Jun 21, 2:27 AM CDTSpecial Weather StatementGIDBuffalo33 min
Jun 21, 2:46 AM CDTSevere Thunderstorm WarningGIDGosper, Phelps44 min
Jun 21, 2:55 AM CDTSevere Thunderstorm WarningGIDFurnas, Harlan50 min
Jun 21, 3:21 AM CDTAreal Flood AdvisoryGIDClay, Fillmore, Hamilton, York12 hr
Jun 21, 3:36 AM CDTSevere Thunderstorm WarningGIDFranklin, Harlan24 min
Jun 21, 3:43 AM CDTSevere Thunderstorm WarningGIDBuffalo, Kearney, Phelps47 min
Jun 21, 3:58 AM CDTSevere Thunderstorm WarningGIDFranklin, Webster47 min
Jun 21, 4:18 AM CDTAreal Flood AdvisoryGIDBuffalo, Dawson, Gosper, Phelps6 hr
Jun 21, 4:26 AM CDTAreal Flood AdvisoryGIDHall6 hr
Jun 21, 4:26 AM CDTSevere Thunderstorm WarningGIDAdams, Buffalo, Clay, Hall, Hamilton, Kearney49 min
Jun 21, 4:43 AM CDTSevere Thunderstorm WarningGIDAdams, Clay, Nuckolls, Webster47 min
Jun 21, 5:14 AM CDTSevere Thunderstorm WarningGIDClay, Fillmore, York46 min
Jun 21, 5:22 AM CDTAreal Flood AdvisoryGIDAdams, Franklin, Kearney, Webster6 hr
Jun 21, 5:28 AM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer47 min
Jun 21, 6:01 AM CDTSpecial Weather StatementGIDFillmore44 min
Jun 21, 6:11 AM CDTSpecial Weather StatementGIDThayer34 min
Jun 21, 6:16 AM CDTAreal Flood AdvisoryGIDClay, Fillmore, Nuckolls, Thayer6 hr
Jun 21, 6:34 AM CDTAreal Flood AdvisoryGIDYork9 hr
Jun 21, 9:04 AM CDTRiver Flood WarningGIDDawson5 days
Jun 21, 9:04 AM CDTRiver Flood WarningGIDHamilton, Merrick49 hr
Jun 21, 9:04 AM CDTRiver Flood WarningGIDBuffalo, Kearney8 days
Jun 21, 9:38 AM CDTRiver Flood WarningGIDNuckolls26 hr
Jun 20, 7:07 PM CDTTornado WarningGIDJewell, Smith38 min
Jun 20, 7:32 PM CDTRiver Flood WarningGIDRooks27 hr
Jun 20, 7:44 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell31 min
Jun 20, 7:45 PM CDTTornado WarningGIDJewell17 min
Jun 20, 8:11 PM CDTSevere Thunderstorm WarningGIDJewell15 min
Jun 21, 12:02 AM CDTAreal Flood WarningGIDJewell, Mitchell, Osborne, Phillips, Rooks, Smith12 hr
Jun 21, 11:54 AM CDTAreal Flood WarningGIDJewell, Mitchell, Osborne, Phillips, Rooks, Smith6 hr
Jun 21, 6:03 PM CDTAreal Flood WarningGIDRooks9 hr

Nearby

Tornado Warnings in Nebraska, 2010Tornado Warnings in Kansas, 2010Every tornado warning in 2010Tornadoes in 2010

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.