Alert archive / Nebraska / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 151, NWS Hastings, NE

July 13, 2006Greeley County, Valley County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 13, 2006, 5:29 PM CDT for Greeley County, Valley County, Nebraska. It was in force for 61 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
Jul 13, 2006, 5:29 PM CDT (22:29 UTC)
Expired
Jul 13, 2006, 6:30 PM CDT
In force
61 min
Issued by
NWS Hastings, NE
Area
Counties, with a storm outline in the text

Counties Greeley County, NE, Valley County, NE

The radar

The Grand Island radar (KUEX), 141 km from the middle of the area, began a volume at 22:33 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
Jul 13, 12:21 PM CDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.5 hours before the alert went out and 162 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 12:00Z on 2006-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1071 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 12:00Z on 2006-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
1071 J/kg
Mixed-layer CIN
-402 J/kg
Mixed-layer LCL
1584 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 13, 2:37 PM CDT, 2 hours 52 minutes earlier.

Area forecast discussion, Jul 13, 2:37 PM CDT, 2 hours 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
237 PM CDT THU JUL 13 2006

.SHORT TERM...LATEST WATER VAPOR IMAGERY FROM THIS AFTERNOON SHOWS A
FAIRLY ZONAL FLOW REGIME DOMINATING THE NORTHERN HALF OF THE CONUS
WHILE AN UPPER HIGH IS POSITIONED ACROSS THE SOUTHERN HALF.
EMBEDDED WITHIN THIS FLOW REGIME IS A POTENT SHORTWAVE SEEN
CURRENTLY ACROSS THE CENTRAL PLAINS.  SURFACE ANALYSIS REVEALS A
TROUGH SITTING FROM EASTERN SD INTO CENTRAL NEB AND WESTERN KANSAS.
AHEAD OF THIS TROUGH SURFACE DEWPOINTS IN THE UPPER 60S TO LOWER 70S
ALONG WITH TEMPERATURES IN THE LOWER TO MID 90S HAS PRODUCED CAPE
VALUES IN EXCESS OF 4000 J/KG ACROSS THE AREA.

THIS TROUGH ALONG WITH THE UPPER WAVE HAS PRODUCED A SCATTERED LINE
OF STRONG CONVECTION NORTH OF THE PLATTE RIVER VALLEY THIS
AFTERNOON. IT LOOKS AS THOUGH THIS CONVECTION WILL GRADUALLY SHIFT
SOUTHEAST ACROSS THE FORECAST AREA THROUGH THIS EVENING AS THE UPPER
WAVE SLIDES EAST.  EXPECT THIS SHOULD PUT THE BEST CHANCE OF
THUNDERSTORMS SOUTH OF A CENTRAL CITY TO BEAVER CITY LINE BY 00Z. SO
FAR THIS CONVECTION HAS STRUGGLED TO PRODUCE MUCH IN THE WAY OF
SEVERE WEATHER. QUICK EXAMINATION OF RUC INITIALIZATION DATA IN
COMBINATION WITH PROFILER SITES IS NOT SHOWING MUCH DEEP LAYER SHEAR
OVER SOUTH CENTRAL NEB AND NORTH CENTRAL KS.  AVERAGE VALUES OF
0-6KM AND 0-8KM SHEAR ACROSS THE CWA ARE IN THE 25 TO 30 KT RANGE
AND THE RUC IS NOT SHOWING THIS TO CHANGE MUCH AT ALL THROUGH THE
EVENING.  THIS FACT ALONG WITH FREEZING LEVELS NEAR 14K FT
AGL...MAKES IT LOOKS LIKE THESE STORMS WILL STRUGGLE TO PRODUCE VERY
LARGE HAIL. CANNOT RULE OUT HEAVY RAIN PRODUCING SOME NUISANCE
FLOODING ALONG WITH DAMAGING WINDS VIA COLD POOL GENERATION AND
SOME HAIL QUARTER SIZE OR SMALLER.

THE UPPER RIDGE THEN BEGINS TO AMPLIFY BACK INTO THE PLAINS FRIDAY
AND SATURDAY WHILE AT THE SURFACE THE LEE TROUGH SITS ACROSS EASTERN
COLORADO AND SOUTHEAST WYOMING.  THIS WILL LEAVE THE FORECAST AREA UNDER
STRONG SUBSIDENCE WITH LITTLE TO NO FORCING FROM THE SURFACE TO JET
LEVEL FOR ANY PRECIPITATION. WITH FULL MIXING IN PLACE BOTH FRIDAY
AND SATURDAY...AFTERNOON TEMPERATURES LOOK TO CLIMB INTO THE MID 90S
TO AROUND 100 FRIDAY AND AROUND 100 ON SATURDAY. WILL HAVE TO WATCH
SATURDAY CLOSELY FOR THE POTENTIAL OF HEAT INDEX VALUES TO EQUAL OR
EXCEED 105 WITH MORNING LOWS STAYING AT OR ABOVE 75...WHICH WOULD
TRIGGER A HEAT ADVISORY.

.LONG TERM...12Z SUNDAY THROUGH THURSDAY THE MEDIUM RANGE MODELS
REMAIN CONSISTENT WITH SHOWING A BROAD UPPER RIDGE REMAINING IN
PLACE ACROSS THE MAJORITY OF THE CONUS THROUGH THE END OF THE
PERIOD.  THIS WILL LEAVE THE AREA GENERALLY DRY AND HOT WITH
AFTERNOON TEMPERATURES IN THE UPPER 90S TO AROUND 100 EVERY DAY.
MAIN QUESTION OVER THIS TIME FRAME IS IF HEAT ADVISORY CONDITIONS
WILL BE MET SIMILAR TO SATURDAY.

&&

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

AWJ/SK
Hazardous weather outlook, Jul 13, 11:21 AM CDT, 6 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
1121 AM CDT THU JUL 13 2006

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
141200-
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-
1121 AM CDT THU JUL 13 2006

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A SLIGHT RISK OF SEVERE THUNDERSTORMS WILL EXIST THIS AFTERNOON
AND EVENING ACROSS THE ENTIRE OUTLOOK AREA. THUNDERSTORMS ARE
EXPECTED TO INCREASE IN COVERAGE INITIALLY ACROSS CENTRAL NEBRASKA
EARLY THIS AFTERNOON. THESE STORMS ARE THEN EXPECTED TO EXPAND SOUTH
AND EAST INTO REMAINING PORTIONS OF THE AREA BY LATE AFTERNOON TO
EARLY EVENING. THE HIGHEST THREAT OF THESE STORMS BECOMING SEVERE
WILL BE NORTH OF INTERSTATE 80 DURING THE AFTERNOON WHILE THE
ENTIRE OUTLOOK AREA SHOULD SEE A SLIGHT THREAT BY EVENING. THE
PRIMARY HAZARD COMING FROM THESE STORMS WILL BE HEAVY RAINFALL
THAT MAY RESULT IN SOME NUISANCE FLOODING. IN ADDITION...DAMAGING
WINDS UP TO 70 MPH ALONG WITH PENNY TO NICKEL SIZE HAIL WILL ALSO
BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO PRODUCE HEAT
INDEX READINGS AS HIGH AS 105 DEGREES IN PLACES ACROSS THE OUTLOOK
AREA FRIDAY THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED AFTER 2 PM TODAY.

&&

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

In the hours before

Special weather statement, Jul 13, 1:16 PM CDT, 4 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
116 PM CDT THU JUL 13 2006

NEZ041-131845-
NANCE-
116 PM CDT THU JUL 13 2006

...THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A SIGNIFICANT
WEATHER ALERT FOR NANCE COUNTY...

AT 111 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 7 MILES SOUTHWEST OF BELGRADE...OR 35 MILES NORTH
OF GRAND ISLAND...AND MOVING EAST AT 20 MPH.

* THE THUNDERSTORM WILL BE NEAR...
  FULLERTON AT 135 PM CDT...
  GENOA AT 145 PM CDT...

DIME SIZE HAIL IS EXPECTED WITH THIS STORM.

BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE...OR A WARNING IS ISSUED BY THE NATIONAL WEATHER
SERVICE.

EWALD
Special weather statement, Jul 13, 1:43 PM CDT, 3 hours 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
143 PM CDT THU JUL 13 2006

NEZ041-131915-
NANCE-
143 PM CDT THU JUL 13 2006

...THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A SIGNIFICANT
WEATHER ALERT FOR NANCE COUNTY...

AT 141 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR GENOA...OR 24 MILES WEST OF COLUMBUS...AND
MOVING EAST AT 40 MPH.

* THE THUNDERSTORM WILL BE NEAR...
  GENOA AT 150 PM CDT
  RURAL NORTHEASTERN NANCE COUNTY AT 150 PM CDT

PENNY TO NICKEL SIZE HAIL IS EXPECTED WITH THIS STORM. VERY HEAVY
RAIN WILL ALSO ACCOMPANY THIS STORM AS IT PASSES THROUGH THE COUNTY.

BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE, OR A WARNING IS ISSUED BY THE NATIONAL WEATHER
SERVICE.

EWALD
Local storm report, Jul 13, 2:44 PM CDT, 2 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
244 PM CDT THU JUL 13 2006

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

0242 PM     HEAVY RAIN       GENOA                   41.45N 97.73W
07/13/2006  M0.63 INCH       NANCE              NE   CO-OP OBSERVER

            RAIN FELL IN 20 MINUTES AND WAS ACCOMPANIED WITH A FEW
            HALF INCH HAIL STONES.

&&

KISNER
Special weather statement, Jul 13, 4:11 PM CDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
411 PM CDT THU JUL 13 2006

NEZ082-132145-
FURNAS-
411 PM CDT THU JUL 13 2006

...THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A SIGNIFICANT
WEATHER ALERT FOR FURNAS COUNTY...

AT 406 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 6 MILES SOUTHEAST OF WILSONVILLE...OR 16 MILES
NORTHWEST OF NORTON...AND MOVING EAST AT 15 MPH.

* THE THUNDERSTORM WILL BE NEAR...
  HENDLEY AT 420 PM CDT...
  BEAVER CITY AT 445 PM CDT...

PENNY SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS
STORM.

BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE, OR A WARNING IS ISSUED BY THE NATIONAL WEATHER
SERVICE.

EWALD
Local storm report, Jul 13, 4:59 PM CDT, 30 minutes before
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Local storm report, Jul 13, 5:17 PM CDT, 12 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 4:54 PM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer51 min
Jul 13, 5:09 PM CDTSevere Thunderstorm WarningGIDFillmore51 min
Jul 13, 5:36 PM CDTSevere Thunderstorm WarningGIDThayer54 min
Jul 13, 6:25 PM CDTSevere Thunderstorm WarningGIDGreeley35 min
Jul 13, 6:27 PM CDTSevere Thunderstorm WarningGIDThayer18 min
Jul 13, 6:52 PM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer53 min
Jul 13, 6:03 PM CDTSevere Thunderstorm WarningGIDJewell, Smith42 min
Jul 13, 6:44 PM CDTSevere Thunderstorm WarningGIDJewell46 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2006Every severe thunderstorm warning in 2006

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.