Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 221, NWS Hastings, NE

July 9, 2014Greeley County, Valley County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 9, 2014, 6:16 PM CDT for Greeley County, Valley County, Nebraska. It was in force for 44 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 9, 2014, 6:16 PM CDT (23:16 UTC)
Expired
Jul 9, 2014, 7:00 PM CDT
In force
44 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

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 23:19 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 9, 5:42 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.3 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 2014-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2014-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1645 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
210 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 9, 3:45 PM CDT, 2 hours 31 minutes earlier.

Area forecast discussion, Jul 9, 3:45 PM CDT, 2 hours 31 minutes before
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Hazardous weather outlook, Jul 9, 5:58 PM CDT, 18 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HASTINGS NE
558 PM CDT WED JUL 9 2014

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
101200-
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-
558 PM CDT WED JUL 9 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A GOOD CHANCE OF THUNDERSTORMS THROUGH TONIGHT. SOME OF
THESE THUNDERSTORMS COULD BE SEVERE. THE MAIN THREATS WILL BE HAIL
AND WIND. HAIL NEAR GOLF BALL SIZE AND WIND GUSTS NEAR 60 MPH WILL
BE POSSIBLE WITH THE SEVERE STORMS.

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

FROM THURSDAY MORNING THROUGH NEXT TUESDAY...CHANCES FOR SPOTTY
THUNDERSTORMS EXIST FOR PORTIONS OF THE OUTLOOK AREA THROUGHOUT
THIS PERIOD. AT THIS TIME...PREDICTABILITY IS TOO LOW TO IDENTIFY
ANY KIND OF ORGANIZED SEVERE WEATHER THREAT WITH REGARD TO THE
TIMING...LOCATION...AND INTENSITY OF POTENTIAL THUNDERSTORM
ACTIVITY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON THROUGH TONIGHT.

&&

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

HEINLEIN/SALTZMAN/HALBLAUB

In the hours before

Local storm report, Jul 9, 5:48 PM CDT, 28 minutes before
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Local storm report, Jul 9, 5:49 PM CDT, 27 minutes before
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Local storm report, Jul 9, 5:53 PM CDT, 23 minutes before
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Local storm report, Jul 9, 6:01 PM CDT, 15 minutes before
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Local storm report, Jul 9, 6:04 PM CDT, 12 minutes before
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Special weather statement, Jul 9, 6:04 PM CDT, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
604 PM CDT WED JUL 9 2014

NEZ039-040-092345-
GREELEY NE-VALLEY NE-
604 PM CDT WED JUL 9 2014

...SIGNIFICANT WEATHER ADVISORY FOR GREELEY AND VALLEY COUNTIES UNTIL
645 PM CDT...

AT 602 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
DEVERRE...OR 8 MILES NORTHEAST OF BURWELL...MOVING SOUTHEAST AT 35
MPH.

THIS THUNDERSTORM ACTIVITY WILL LIKELY IMPACT PORTIONS OF GREELEY
AND VALLEY COUNTIES AFTER 630 PM CDT. PEOPLE ACROSS GREELEY AND
VALLEY COUNTIES WILL NEED TO BE PREPARED FOR THE POSSIBILITY OF
LARGE HAIL AND STRONG THUNDERSTORM WIND GUSTS.

LOCATIONS IMPACTED INCLUDE...
ORD...GREELEY...GREELEY CENTER...SCOTIA...ARCADIA...NORTH LOUP...
ELYRIA AND FORT HARTSUFF STATE PARK.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT
THURSDAY MORNING FOR SOUTH CENTRAL NEBRASKA.

LAT...LON 4145 9831 4141 9914 4174 9919 4174 9847
TIME...MOT...LOC 2302Z 331DEG 32KT 4189 9907

BRYANT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 4:34 PM CDTSpecial Weather StatementGIDValley41 min
Jul 9, 4:42 PM CDTSevere Thunderstorm WarningGIDValley48 min
Jul 9, 5:12 PM CDTSevere Thunderstorm WarningGIDSherman, Valley33 min
Jul 9, 5:43 PM CDTSevere Thunderstorm WarningGIDBuffalo, Howard, Sherman47 min
Jul 9, 6:04 PM CDTSpecial Weather StatementGIDGreeley, Valley41 min
Jul 9, 6:14 PM CDTSevere Thunderstorm WarningGIDBuffalo, Hall31 min
Jul 9, 6:45 PM CDTSevere Thunderstorm WarningGIDAdams, Buffalo, Hall, Kearney30 min
Jul 9, 6:58 PM CDTTornado WarningGIDAdams, Buffalo, Kearney21 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.