Alert archive / Nebraska / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 122, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 10, 2005, 7:02 PM MDT for Box Butte County, Nebraska. It was in force for 23 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 10, 2005, 7:02 PM MDT (01:02 UTC)
- Expired
- Jul 10, 2005, 7:25 PM MDT
- In force
- 23 min
- Issued by
- NWS Cheyenne, WY
- Area
- Counties, with a storm outline in the text
County Box Butte County, NE
The radar
The Cheyenne radar (KCYS), 186 km from the middle of the area, began a volume at 01:04 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
Rapid City, SD (KUNR), launched 00:00Z, 1.0 hours before the alert went out and 206 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.
- Mixed-layer CAPE
- 1205 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1691 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 Cheyenne, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 2:00 PM MDT, 5 hours 2 minutes earlier.
Area forecast discussion, Jul 10, 2:00 PM MDT, 5 hours 2 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHEYENNE WY 200 PM MDT SUN JUL 10 2005 .SHORT TERM...SFC FRONT DID MANAGE TO EDGE ACROSS CYS EARLIER BUT HAS RETREATED A BIT BACK NORTH THIS AFTERNOON. FRONT WILL PUSH BACK SOUTH AGAIN TONIGHT AS UPPER TROF MOVES INTO THE NRN PLAINS. WIDELY SCT LIGHT SHOWERS AND A COUPLE OF TSTRMS NOW OVER NRN AND WRN PARTS OF THE CWA. THESE SHOULD CONTINUE TO PROGRESS EASTWARD AS MID LEVEL MOISTURE SHIFTS ACROSS WITH BEST COVERAGE EXPECTED OVER THE NRN CWA THIS EVENING WHERE UPPER SUPPORT WILL BE A BIT BETTER. SFC HIGH NOSES INTO CWA MONDAY SO EXPECT DRY AND A BIT COOLER TEMPS. ISOLATED CONVECTION MAY TRY TO DEVELOP OVER THE SRN MTNS LATE IN THE AFTN IF SOME MOISTURE CAN CREEP BACK NORTH BUT EXPECT BULK OF ACTIVITY TO EXIST SOUTH ACROSS COLORADO. .LONG TERM...MON NGT THRU THU...MODELS ESPECIALLY ETA SHOWING SOME INSTBLTY AND PCPN OVER FAR SE WY INTO MON EVNG WITH WEAK MOIST LOW LEVEL UPSLOPE FLOW. WILL CUT BACK ON AREAL COVERAGE OF TSTMS AND CONFINE THEM TO FAR SE WY/FAR SW NEB PNHNDL. MODELS CONTINUE THE MOIST LOW LEVEL FLOW INTO TUE...AND HAVE ADDED SOME TSTMS TO FAR SE WY LATE IN THE DAY TUE. UPPER RIDGE REBUILDS OVER MUCH OF REGION STARTING ON TUE...CONTG INTO THU. TEMPS TO RISE A LITTLE EACH DAY...WITH HOT TEMPS ALL AREAS BY THU. MOISTURE ALSO DRIES UP WITH TIME AND HAVE LEFT WED AND THU DRY. FOR FRIDAY THROUGH SUNDAY...NORTHERN STREAM SHORTWAVE PROGRESSES EASTWARD THROUGH SOUTHERN CANADA AS FLATTEN RIDGE REAMPLIFIES SATURDAY. THE LAST COUPLE OF GFS RUNS HAS A FAIRLY DECENT SHORTWAVE TROF MIGRATING SE THROUGH OUR AREA SUNDAY AS RIDGE AXIS SHIFTS OFFSHORE. FEEL GFS BEING TOO BULLISH ON SHORTWAVE...HOWEVER HAVE INTRODUCED LOW POPS ACROSS OUR CWA SUNDAY AFTERNOON. EXPECT UNSEASONABLY WARM/DRY CONDITIONS TO CONTINUE FRIDAY AND SATURDAY...ALTHOUGH CAN NOT RULE OUT A FEW RENEGADE DIURNAL THUNDERSTORMS. IF GFS PANS OUT FOR SUNDAY EXPECT A GREATER CHANCE OF PRECIP WITH SLIGHTLY COOLER TEMPS AS WE HEAD INTO NEXT WEEK. && CYS WATCHES/WARNINGS/ADVISORIES... WY...NONE. NE...NONE. &&
Hazardous weather outlook, Jul 10, 10:35 AM MDT, 8 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 1035 AM MDT SUN JUL 10 2005 NEZ001>003-019>021-054-055-WYZ059>070-111115- SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL- CHEYENNE-CONVERSE-NIOBRARA-SOUTHWEST CARBON-NORTH CARBON- SNOWY RANGE-NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- PLATTE-GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS- 1035 AM MDT SUN JUL 10 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...TODAY AND TONIGHT WIDELY SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS SOUTHEAST WYOMING...MAINLY EAST OF THE LARAMIE RANGE BY LATE THIS AFTERNOON AND SPREAD EAST INTO MAINLY THE NORTHERN NEBRASKA PANHANDLE THIS EVENING. THE MAIN THREAT WITH THE THUNDERSTORMS WILL BE GUSTY WINDS UP TO 50 MPH. THE MOST NUMEROUS THUNDERSTORMS WILL OCCUR ACROSS THE NORTHERN PORTION OF THE AREA...FROM DOUGLAS TO CHADRON...THIS EVENING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ISOLATED AFTERNOON AND EVENING THUNDERSTORMS WILL OCCUR ACROSS THE AREA MONDAY AND AGAIN ON FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
In the hours before
Local storm report, Jul 10, 5:24 PM MDT, 1 hour 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
524 PM MDT SUN JUL 10 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0510 PM HAIL 2 W TORRINGTON 42.07N 104.22W
07/10/2005 1.00 INCH GOSHEN WY TRAINED SPOTTER
&&Local storm report, Jul 10, 6:05 PM MDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
605 PM MDT SUN JUL 10 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0550 PM HAIL 7 N MORRILL 42.07N 103.92W
07/10/2005 0.88 INCH SIOUX NE TRAINED SPOTTER
0556 PM HAIL 8 NE ANGORA 41.95N 102.99W
07/10/2005 0.88 INCH MORRILL NE TRAINED SPOTTER
DIME TO NICKEL SIZE HAIL COVERING THE GROUND
0558 PM HAIL 8 N ANGORA 41.99N 103.10W
07/10/2005 0.50 INCH MORRILL NE TRAINED SPOTTER
HAIL COVERING GROUND
&&
HUTCHEONLocal storm report, Jul 10, 6:42 PM MDT, 20 minutes before
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 6:28 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Morrill, Scotts Bluff | 38 min |
| Jul 11, 4:44 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 61 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.