Alert archive / Nebraska / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 291, NWS Hastings, NE

August 28, 2005Merrick County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Aug 28, 2005, 2:44 PM CDT for Merrick 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
Aug 28, 2005, 2:44 PM CDT (19:44 UTC)
Expired
Aug 28, 2005, 3:45 PM CDT
In force
61 min
Issued by
NWS Hastings, NE
Area
Counties, with a storm outline in the text

County Merrick County, NE

The radar

The Grand Island radar (KUEX), 100 km from the middle of the area, began a volume at 19:45 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
Aug 28, 12:20 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.7 hours before the alert went out and 140 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 12:00Z on 2005-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 443 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 12:00Z on 2005-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
443 J/kg
Mixed-layer CIN
-216 J/kg
Mixed-layer LCL
1515 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Aug 28, 5:50 AM CDT, 8 hours 54 minutes earlier.

Area forecast discussion, Aug 28, 5:50 AM CDT, 8 hours 54 minutes before
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Hazardous weather outlook, Aug 28, 12:04 PM CDT, 2 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
1204 PM CDT SUN AUG 28 2005

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
291200-
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-
1204 PM CDT SUN AUG 28 2005

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND TONIGHT. SOME STORMS THIS
AFTERNOON AND EVENING MAY CONTAIN QUARTER SIZED HAIL AND WIND
GUSTS UP TO 60 MPH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE POSSIBLE TUESDAY NIGHT THROUGH WEDNESDAY NIGHT.

.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)

WESELY

In the hours before

Special weather statement, Aug 28, 12:21 PM CDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1221 PM CDT SUN AUG 28 2005

NEZ039>041-046>049-061>064-075>077-086>087-290100-
ADAMS NE-BUFFALO NE-CLAY NE-FILLMORE NE-GREELEY NE-
HALL NE-HAMILTON NE-HOWARD NE-MERRICK NE-NANCE NE-
NUCKOLLS NE-POLK NE-SHERMAN NE-THAYER NE-VALLEY NE-
YORK NE-

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
750 IN EFFECT UNTIL 8 PM CDT FOR THE FOLLOWING AREAS

IN NEBRASKA THIS WATCH INCLUDES 16 COUNTIES

IN CENTRAL NEBRASKA

GREELEY               HOWARD                MERRICK
NANCE                 SHERMAN               VALLEY

IN EAST CENTRAL NEBRASKA

POLK                  YORK

IN SOUTH CENTRAL NEBRASKA

ADAMS                 BUFFALO               CLAY
FILLMORE              HALL                  HAMILTON
NUCKOLLS              THAYER

THIS INCLUDES THE CITIES OF...AURORA...CENTRAL CITY...
CLAY CENTER...DESHLER...EDGAR...EXETER...FAIRFIELD...FAIRMONT...
FULLERTON...GENEVA...GENOA...GRAND ISLAND...HARVARD...HASTINGS...
HEBRON...KEARNEY...LITCHFIELD...LOUP CITY...NELSON...ORD...
OSCEOLA...POLK...SCOTIA...SHELBY...SPALDING...ST. PAUL...
STROMSBURG...SUPERIOR...SUTTON...WOLBACH AND YORK.

WESELY
Local storm report, Aug 28, 2:17 PM CDT, 27 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 7:05 PM CDTSevere Thunderstorm WarningGIDMerrick40 min
Aug 27, 8:18 PM CDTSevere Thunderstorm WarningGIDHall42 min
Aug 27, 10:12 PM CDTSevere Thunderstorm WarningGIDClay48 min
Aug 28, 1:22 PM CDTSevere Thunderstorm WarningGIDNance53 min
Aug 28, 3:03 PM CDTSevere Thunderstorm WarningGIDHamilton41 min
Aug 28, 5:43 PM CDTSevere Thunderstorm WarningGIDDawson40 min
Aug 28, 6:10 PM CDTSevere Thunderstorm WarningGIDGosper37 min
Aug 28, 6:41 PM CDTSevere Thunderstorm WarningGIDPhelps33 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2005Every severe thunderstorm warning in 2005

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.