Alert archive / Nebraska / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 24, NWS Hastings, NE

May 6, 2008Dawson County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 6, 2008, 5:40 PM CDT for Dawson County, Nebraska. It was in force for 50 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
May 6, 2008, 5:40 PM CDT (22:40 UTC)
Expired
May 6, 2008, 6:30 PM CDT
In force
50 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

County Dawson County, NE

The radar

The Grand Island radar (KUEX), 131 km from the middle of the area, began a volume at 22:40 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
May 6, 2:50 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.7 hours before the alert went out and 72 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 2008-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 468 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 2008-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939587897Sfc1 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
468 J/kg
Mixed-layer CIN
-331 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 May 6, 2:58 PM CDT, 2 hours 42 minutes earlier.

Area forecast discussion, May 6, 2:58 PM CDT, 2 hours 42 minutes before
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Hazardous weather outlook, May 6, 3:08 PM CDT, 2 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
308 PM CDT TUE MAY 6 2008

NEZ039>041-046>049-060>064-072-073-071200-
VALLEY-GREELEY-NANCE-SHERMAN-HOWARD-MERRICK-POLK-DAWSON-BUFFALO-
HALL-HAMILTON-YORK-GOSPER-PHELPS-
308 PM CDT TUE MAY 6 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A PART OF SOUTH CENTRAL
NEBRASKA...NORTH OF A LINE FROM YORK...TO KEARNEY...TO ARAPAHOE.

.DAY ONE...TONIGHT.

A SEVERE THUNDERSTORM WATCH IS POSTED UNTIL 10 PM TONIGHT.

THUNDERSTORMS IN CENTRAL AND WESTERN NEBRASKA WILL SLIDE INTO
THE AREA BY EARLY EVENING. SOME OF THE THUNDERSTORMS WILL BE
SEVERE...WITH HAIL TO THE SIZE OF BASEBALLS...AND DAMAGING
WIND GUSTS IN EXCESS OF 60 MPH POSSIBLE. LOCALLY HEAVY RAIN
IN EXCESS OF ONE INCH IS ALSO POSSIBLE.

THE THUNDERSTORMS WILL GRADUALLY MOVE EAST AND SOUTHEAST...
AND SHOULD DIMINISH IN COVERAGE AND INTENSITY OVERNIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS RETURN TO THE FORECAST FOR THE OUTLOOK AREA THURSDAY
NIGHT...AND AGAIN FRIDAY NIGHT THROUGH SATURDAY NIGHT. AT THIS
TIME...THE PROSPECTS FOR WIDESPREAD SEVERE WEATHER APPEAR LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED THIS EVENING.

&&

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

KSZ005>007-017>019-NEZ074>077-082>087-071200-
PHILLIPS-SMITH-JEWELL-ROOKS-OSBORNE-MITCHELL-KEARNEY-ADAMS-CLAY-
FILLMORE-FURNAS-HARLAN-FRANKLIN-WEBSTER-NUCKOLLS-THAYER-
308 PM CDT TUE MAY 6 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A PART OF SOUTH CENTRAL
NEBRASKA...SOUTH OF A LINE FROM YORK...TO HASTINGS...TO ARAPAHOE...
AND FOR ALL OF NORTH CENTRAL KANSAS.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE EXPECTED BY MID EVENING OVER SOUTHERN SECTIONS
OF SOUTH CENTRAL NEBRASKA...AND THEN INTO NORTH CENTRAL KANSAS BY
LATE THIS EVENING. SOME SEVERE THUNDERSTORMS APPEAR LIKELY...WITH
LARGE HAIL AND DAMAGING WINDS THE MAIN HAZARDS. LOCALLY HEAVY RAIN
OF 1 TO 2 INCHES IS POSSIBLE IN SOME AREAS. THE MAIN TIME FRAME FOR
THE THUNDERSTORMS IS BETWEEN 7 PM AND 2 AM TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS RETURN TO THE FORECAST FOR THE OUTLOOK AREA THURSDAY
NIGHT...AND AGAIN FRIDAY NIGHT THROUGH SATURDAY NIGHT. AT THIS
TIME...THE PROSPECTS FOR WIDESPREAD SEVERE WEATHER APPEAR LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING AND OVERNIGHT.

&&

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

In the hours before

Special weather statement, May 6, 4:43 PM CDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
443 PM CDT TUE MAY 6 2008

NEZ060-062245-
DAWSON-
443 PM CDT TUE MAY 6 2008

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

  NORTHWESTERN DAWSON COUNTY IN SOUTH CENTRAL NEBRASKA

AT 439 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
SEVERE THUNDERSTORM NEAR MAXWELL...OR 49 MILES NORTHWEST OF
LEXINGTON...AND MOVING EAST AT 30 MPH.

* THE THUNDERSTORM WILL BE NEAR...
  GOTHENBURG BY 520 PM CDT

QUARTER SIZE HAIL HAS BEEN REPORTED WITH THIS STORM IN LINCOLN
COUNTY.

PEOPLE IN NORTHWESTERN DAWSON COUNTY...SHOULD MONITOR THE WEATHER
SITUATION CLOSELY. A WARNING MAY BE NEEDED IF THE STORMS MOVE INTO
THE AREA. BE READY TO SEEK SHELTER IF SEVERE WEATHER THREATENS.

PFANNKUCH
Special weather statement, May 6, 5:08 PM CDT, 32 minutes before
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Special weather statement, May 6, 5:23 PM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
523 PM CDT TUE MAY 6 2008

NEZ039-046-060-061-062330-
BUFFALO-DAWSON-SHERMAN-VALLEY-
523 PM CDT TUE MAY 6 2008

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

  SHERMAN COUNTY IN CENTRAL NEBRASKA
  VALLEY COUNTY IN CENTRAL NEBRASKA
  THIS INCLUDES THE CITY OF ORD.
  NORTHWESTERN BUFFALO COUNTY IN SOUTH CENTRAL NEBRASKA
  NORTHERN DAWSON COUNTY IN SOUTH CENTRAL NEBRASKA

AT 520 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF
WEISSERT TO 5 MILES SOUTH OF BROKEN BOW TO 13 MILES SOUTHWEST OF
CALLAWAY...AND MOVING EAST AT 41 MPH.

* THUNDERSTORMS WILL BE NEAR...
  EDDYVILLE BY 550 PM CDT
  ARCADIA BY 555 PM CDT
  ELYRIA BY 600 PM CDT
  ORD BY 605 PM CDT
  MILLER BY 610 PM CDT

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 210 AND 224.

QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH ARE
EXPECTED WITH THESE STORMS.

PEOPLE IN NORTHERN DAWSON...NORTHWESTERN BUFFALO...SHERMAN AND VALLEY
COUNTIES...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. A WARNING
MAY BE NEEDED IF THE STORMS MOVE INTO THE AREA. BE READY TO SEEK
SHELTER IF SEVERE WEATHER THREATENS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 5:47 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Sherman, Valley58 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2008Every severe thunderstorm warning in 2008

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.