Alert archive / Nebraska / Special Weather Statements in 2011

Special Weather Statement, NWS Hastings, NE

August 6, 2011Polk County, Nebraska

NWS Hastings, NE issued this special weather statement at Aug 6, 2011, 9:22 PM CDT for Polk County, Nebraska. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 6, 2011, 9:22 PM CDT (02:22 UTC)
Expired: Aug 6, 2011, 10:00 PM CDT
In force: 38 min
Issued by: NWS Hastings, NE

County Polk County, NE

The radar

The Omaha radar (KOAX), 107 km from the middle of the area, began a volume at 02:24 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

Omaha, NE (KOAX), launched 00:00Z, 2.4 hours before the alert went out and 107 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3454 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1012 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 13.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 6, 9:20 PM CDT, 2 minutes earlier.

Area forecast discussion, Aug 6, 9:20 PM CDT, 2 minutes before

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Hazardous weather outlook, Aug 6, 3:54 PM CDT, 5 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
354 PM CDT SAT AUG 6 2011

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
071200-
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-
354 PM CDT SAT AUG 6 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS ARE POSSIBLE MAINLY TONIGHT. SEVERE WEATHER IS
POSSIBLE. THE MAIN HAZARDS WILL BE HAIL TO THE SIZE OF
QUARTERS...WIND GUSTS OF 60 MPH AND LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THERE WILL BE INTERMITTENT CHANCES OF THUNDERSTORMS THROUGH THE
ENTIRE PERIOD. STRONG TO LOCALLY SEVERE THUNDERSTORMS WILL BE
POSSIBLE SUNDAY AFTERNOON AND NIGHT. MORE STRONG TO LOCALLY SEVERE
THUNDERSTORMS WILL BE POSSIBLE MAINLY DURING THE AFTERNOON AND
NIGHT TIME HOURS FOR THE MONDAY THROUGH FRIDAY TIME FRAME. THE
MAIN HAZARDS FOR THE ENTIRE PERIOD WILL BE DAMAGING WIND GUSTS OF
60 MPH AND LOCALLY HEAVY RAINFALL.

.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)

In the hours before

Local storm report, Aug 6, 6:12 PM CDT, 3 hours 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
612 PM CDT SAT AUG 06 2011

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

0610 PM     HAIL             2 E CHAPMAN             41.02N 98.12W
08/06/2011  E1.75 INCH       MERRICK            NE   TRAINED SPOTTER

&&

REED

Local storm report, Aug 6, 6:40 PM CDT, 2 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
640 PM CDT SAT AUG 06 2011

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

0623 PM     HAIL             MARQUETTE               41.01N 98.01W
08/06/2011  E1.00 INCH       HAMILTON           NE   EMERGENCY MNGR

            QUARTER SIZE HAIL IN MARQUETTE

&&

REED

Local storm report, Aug 6, 7:05 PM CDT, 2 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
705 PM CDT SAT AUG 06 2011

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

0703 PM     HAIL             YORK                    40.87N 97.60W
08/06/2011  E1.00 INCH       YORK               NE   PUBLIC

            QUARTER SIZE HAIL REPORTED AT THE FAIRGROUNDS IN YORK.

&&

REED

Local storm report, Aug 6, 8:11 PM CDT, 1 hour 11 minutes before

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Special weather statement, Aug 6, 9:22 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
922 PM CDT SAT AUG 6 2011

NEZ041-048-049-070300-
MERRICK NE-NANCE NE-POLK NE-
922 PM CDT SAT AUG 6 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN POLK...NORTHEASTERN
NANCE AND EXTREME NORTHEASTERN MERRICK COUNTIES UNTIL 1000 PM CDT...

AT 919 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 7 MILES WEST OF GENOA...OR 26 MILES WEST OF
COLUMBUS...MOVING EAST AT 30 MPH.

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

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  GENOA...
  SILVER CREEK...

LAT...LON 4124 9736 4141 9799 4152 9796 4152 9790
      4153 9788 4153 9771 4148 9769 4140 9770
      4140 9760 4134 9759 4137 9751 4137 9747
      4140 9737
TIME...MOT...LOC 0222Z 285DEG 25KT 4146 9784

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 8:04 PM CDT	Severe Thunderstorm Warning	GID	Merrick, Nance, Polk	41 min
Aug 7, 2:48 AM CDT	Special Weather Statement	GID	Sherman, Valley	42 min
Aug 7, 9:46 AM CDT	Severe Thunderstorm Warning	GID	Franklin, Webster	29 min
Aug 7, 10:30 AM CDT	Special Weather Statement	GID	Nuckolls	45 min
Aug 7, 11:00 AM CDT	Special Weather Statement	GID	Thayer	45 min
Aug 7, 11:15 AM CDT	Severe Thunderstorm Warning	GID	Thayer	15 min
Aug 7, 6:41 PM CDT	Special Weather Statement	GID	Dawson	49 min
Aug 7, 6:56 PM CDT	Severe Thunderstorm Warning	GID	Dawson	49 min
Aug 7, 8:27 AM CDT	Special Weather Statement	GID	Rooks	48 min
Aug 7, 9:28 AM CDT	Special Weather Statement	GID	Smith	32 min
Aug 7, 9:39 AM CDT	Special Weather Statement	GID	Jewell	36 min
Aug 7, 9:58 AM CDT	Severe Thunderstorm Warning	GID	Jewell	32 min

Nearby

Special Weather Statements in Nebraska, 2011 Every special weather statement in 2011

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.