Alert archive / Nebraska / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 326, NWS North Platte, NE

July 11, 2005Garden County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 11, 2005, 6:41 PM MDT for Garden County, Nebraska. It was in force for 34 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
Jul 11, 2005, 6:41 PM MDT (00:41 UTC)
Expired
Jul 11, 2005, 7:15 PM MDT
In force
34 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

County Garden County, NE

The radar

The North Platte radar (KLNX), 149 km from the middle of the area, began a volume at 00:44 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 11, 2:55 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.7 hours before the alert went out and 164 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 00:00Z on 2005-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 456 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 00:00Z on 2005-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 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
456 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
2041 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLBF 120041
SVRLBF
NEC069-120115-
/O.NEW.KLBF.SV.W.0326.050712T0041Z-050712T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
641 PM MDT MON JUL 11 2005

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN GARDEN COUNTY IN THE PANHANDLE OF NEBRASKA

* UNTIL 715 PM MDT

* AT 639 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 9 MILES NORTHEAST OF CRESCENT LAKE NWR...OR ABOUT
  28 MILES NORTH OF OSHKOSH...AND MOVING SOUTH AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  9 MILES EAST OF CRESCENT LAKE NWR BY 645 PM MDT

LAT...LON 4195 10255 4152 10259 4152 10203 4194 10210

$$

BUTTLER
1 follow-up statement
000 
WWUS53 KLBF 120103
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
802 PM CDT MON JUL 11 2005

NEC069-120115-
/O.CON.KLBF.SV.W.0326.000000T0000Z-050712T0115Z/
GARDEN NE-
702 PM MDT MON JUL 11 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 715 PM MDT FOR
NORTHERN GARDEN COUNTY...

AT 659 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING
HAIL UP TO GOLF BALL SIZE.  THIS STORM WAS LOCATED 8 MILES EAST OF
CRESCENT LAKE NWR...OR ABOUT 24 MILES NORTH OF OSHKOSH...MOVING SOUTH
AT 25 MPH.

IF SEVERE WEATHER WAS OBSERVED...PLEASE CONTACT YOUR LOCAL LAW
ENFORCEMENT AGENCY AND HAVE THEM PASS THE REPORT TO THE NATIONAL
WEATHER SERVICE OFFICE IN NORTH PLATTE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT
MONDAY EVENING FOR WESTERN NEBRASKA.

LAT...LON 4195 10255 4152 10259 4152 10203 4194 10210

$$

BUTTLER

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 North Platte, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 11, 2:27 PM MDT, 4 hours 14 minutes earlier.

Area forecast discussion, Jul 11, 2:27 PM MDT, 4 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTH PLATTE NE
328 PM MON JUL 11 2005

.DISCUSSION...
MOSDELS IN FAIR AGREEMENT TODAY HAVE USED A BLEND FOR FORECAST.
CONVECTION FIRING ALL AROUND WITH TROUGH TO THE EAST AND DIFFUSE
FRONT TO THE NORTHWEST. VERY UNSTABLE THIS PM WITH BEST THETA E,
CAPES OVER SOUTHWEST ZONES. LLJ NOT PROMISING TONIGHT. EXPECT
CONVECTION TO MOVE IN FROM WEST AND ALONG DIFUSE FRONT AS IT BEGINS
TO MOVE TO THE SOUTH TONIGHT. LOSS OF HEATING WILL BE PRIMARY
CONCERN WITH AMOUNT OF CONVECTION. SOME ISOLATED CONVECTION WILL
LINGER THROUGH TUESDAY WITH TEMPERATURES IN THE 80S AGAIN. RIDGE
BEGINS TO BUILD IN TUESDAY NIGHT WITH WARMER TEMPERATURES WEST ON
WEDNESDAY NIGHT AND DRY CONDITIONS.

EXTENDED THURSDAY THROUGH SUNDAY...RIDGE BEGINS TO BUILD INTO
FORECAST AREA ON THURSDAY WITHY TEMPERATURES IN THE MID TO UPPER 90S
BASED ON THICKNESSES AND 850 MB TEMPS. MODELS HAVE VARIED SOMEWHAT
ON FRIDAY SYSTEM WITH ADVANCING SURFACE TROUGH. 700MB TEMPS INDICATE
A GOOD CAP ACROSS THE AREA FRIDAY AND SATURDAY. HAVE LEFT DRY FOR
NOW WITH CAP IN PLACE H5 TROUGH APPROACHES FROM WEST WITH SURFACE
TROUGH BUILDING IN ALONG THE FRONT RANGE ON SATURDAY. COOL FRONT
DRIVES SOUTH ACROSS THE AREA ON SUNDAY WITH JUST SLIGHT COOL DOWN
INTO THE UPPER 80S. HAVE LEFT SUNDAY DRY FOR NOW BUT BEGAN COOL DOWN
TREND WITH COOLER AIR MOVING IN.

&&

.LBF WATCHES/WARNINGS/ADVISORIES...NONE.

&&

POWER
Hazardous weather outlook, Jul 11, 2:15 PM MDT, 4 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTH PLATTE NE
315 PM CDT MON JUL 11 2005

NEZ004>010-022>029-035>038-056>059-069>071-094-121030-
ARTHUR NE-BLAINE NE-BOYD NE-BROWN NE-CHASE NE-CUSTER NE-DEUEL NE-
EASTERN CHERRY NE-FRONTIER NE-GARDEN NE-GARFIELD NE-GRANT NE-
HAYES NE-HOLT NE-HOOKER NE-KEITH NE-KEYA PAHA NE-LINCOLN NE-LOGAN NE-
LOUP NE-MCPHERSON NE-PERKINS NE-ROCK NE-SHERIDAN NE-THOMAS NE-
WESTERN CHERRY NE-WHEELER NE-
INCLUDING THE CITIES OF...AINSWORTH...ARNOLD...ARTHUR...BASSETT...
BIG SPRINGS...BREWSTER...BROKEN BOW...BURWELL...CHAPPELL...CURTIS...
GORDON...GRANT...HAY SPRINGS...HAYES CENTER...IMPERIAL...MULLEN...
NORTH PLATTE...ONEILL...OGALLALA...OSHKOSH...RUSHVILLE...SPENCER...
SPRINGVIEW...STAPLETON...TAYLOR...THEDFORD...TRYON AND VALENTINE
316 PM CDT MON JUL 11 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND NORTH CENTRAL
NEBRASKA.

.DAY ONE...TONIGHT

THUNDERSTORM DEVELOPMENT IS POSSIBLE THIS EVENING ACROSS THE OUTLOOK
AREA AS A WEAK COLD FRONT LINGERS NEAR THE NEBRASKA AND SOUTH DAKOTA
BORDER AND A SURFACE TROUGH PROVIDES A FOCUS FOR DEVELOPMENT IN
COLORADO. OVERNIGHT...CONVECTION EXPECTED TO DEVELOP IN COLORADO MAY
SPREAD EAST INTO THE OUTLOOK AREA...AFFECTING LOCATIONS MAINLY WEST
OF HIGHWAY 83. ANY THUNDERSTORMS THAT DEVELOP WILL HAVE THE POTENTIAL
TO PRODUCE STRONG WINDS AND HAIL...ALONG WITH LOCALLY HEAVY RAINFALL
IN SLOW MOVING STORMS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

WARM DRY AND BREEZY CONDITIONS WILL RETURN DURING THIS TIME FRAME.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

CDC/JMC

In the hours before

Special weather statement, Jul 11, 2:54 PM MDT, 3 hours 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
354 PM CDT MON JUL 11 2005

NEZ004-005-022-023-035-056>058-069-094-120400-
ARTHUR NE-CHASE NE-DEUEL NE-EASTERN CHERRY NE-GARDEN NE-GRANT NE-
KEITH NE-PERKINS NE-SHERIDAN NE-WESTERN CHERRY NE-
INCLUDING THE CITIES OF...ARTHUR...BIG SPRINGS...CHAPPELL...GORDON...
GRANT...HAY SPRINGS...IMPERIAL...OGALLALA...OSHKOSH...
RUSHVILLE AND VALENTINE
354 PM CDT MON JUL 11 2005

...SEVERE THUNDERSTORM WATCH NUMBER 635 VALID UNTIL 11 PM CDT (10 PM
MDT) FOR THE EASTERN NEBRASKA PANHANDLE AND PORTIONS OF WESTERN
NEBRASKA...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA...HAS ISSUED A SEVERE
THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM CDT (10 PM MDT). THE
COUNTIES INCLUDED IN THE WATCH
ARE...SHERIDAN...GARDEN...DEUEL...CHERRY...GRANT...ARTHUR...KEITH...P
ERKINS...AND CHASE.

PERSONS IN THE WATCH AREA SHOULD CONTINUE TO MONITOR NOAA WEATHER
RADIO OR OTHER MEDIA OUTLETS FOR THE LATEST
FORECASTS...WARNINGS...AND STATEMENTS.

BUTTLER
Local storm report, Jul 11, 5:46 PM MDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
646 PM CDT MON JUL 11 2005

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

0635 PM     HAIL             15 SE HYANNIS           41.85N 101.55W
07/11/2005  1.00 INCH        GRANT              NE   PUBLIC

&&

RLB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 7:16 PM MDTSevere Thunderstorm WarningLBFGarden44 min
Jul 11, 7:56 PM MDTSevere Thunderstorm WarningLBFGarden36 min
Jul 12, 4:01 AM MDTFlash Flood WarningLBFWheeler119 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.