Alert archive / Nebraska / Special Weather Statements in 2014
Special Weather Statement, NWS Cheyenne, WY
NWS Cheyenne, WY issued this special weather statement at Aug 8, 2014, 3:21 PM MDT for Box Butte County, Nebraska. It was in force for 54 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 8, 2014, 3:21 PM MDT (21:21 UTC)
- Expired
- Aug 8, 2014, 4:15 PM MDT
- In force
- 54 min
- Issued by
- NWS Cheyenne, WY
County Box Butte County, NE
The nearest sounding before it
Rapid City, SD (KRAP), launched 12:00Z, 9.4 hours before the alert went out and 226 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
- 1347 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- -31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Cheyenne, WY wrote its last area forecast discussion before this special weather statement went out at Aug 8, 12:06 PM MDT, 3 hours 15 minutes earlier.
Area forecast discussion, Aug 8, 12:06 PM MDT, 3 hours 15 minutes before
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</html>Hazardous weather outlook, Aug 8, 11:33 AM MDT, 3 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 1133 AM MDT FRI AUG 8 2014 WYZ103>106-109>117-091745- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY- SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- 1133 AM MDT FRI AUG 8 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT ISOLATED TO SCATTERED SHOWERS AND STORMS ARE EXPECTED FOR AREAS WEST OF THE LARAMIE RANGE THIS AFTERNOON AND EVENING. SEVERE WEATHER IS NOT EXPECTED. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AFTERNOON AND EVENING THUNDERSTORMS WILL BE POSSIBLE EACH DAY THROUGH AT LEAST THE WEEKEND. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-118-119- 091745- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS- NIOBRARA COUNTY-EAST PLATTE COUNTY-GOSHEN COUNTY- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- 1133 AM MDT FRI AUG 8 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE...SOUTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ALONG AND EAST OF THE LARAMIE RANGE THIS AFTERNOON AND EVENING. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED. HOWEVER...A FEW STORMS COULD BECOME STRONG TO LOCALLY SEVERE OVER THE WESTERN NEBRASKA PANHANDLE WITH HAIL AND GUSTY WIND. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AFTERNOON AND EVENING THUNDERSTORMS WILL BE POSSIBLE EACH DAY THROUGH AT LEAST THE WEEKEND. A FEW STRONG TO SEVERE STORMS ARE POSSIBLE OVER THE WESTERN NEBRASKA PANHANDLE ON SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE IN CHEYENNE LATER TODAY. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE
In the hours before
Local storm report, Aug 8, 2:56 PM MDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
256 PM MDT FRI AUG 08 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0240 PM HAIL 10 NNE RATTLESNAKE HILL 42.20N 103.66W
08/08/2014 M1.00 INCH SIOUX NE BROADCAST MEDIA
NICKEL TO QUARTER SIZE HAIL COVERED THE GROUND ALONG
HIGHWAY 71
&&
MAZURSpecial weather statement, Aug 8, 2:57 PM MDT, 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 257 PM MDT FRI AUG 8 2014 WYZ119-082130- EAST LARAMIE COUNTY WY- 257 PM MDT FRI AUG 8 2014 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN LARAMIE COUNTY UNTIL 330 PM MDT... AT 256 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR MERIDEN REST AREA...OR 36 MILES NORTHEAST OF CHEYENNE...MOVING EAST AT 20 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... ALBIN... && LAT...LON 4156 10407 4138 10406 4145 10433 4156 10435 TIME...MOT...LOC 2056Z 276DEG 19KT 4150 10425
Special weather statement, Aug 8, 3:05 PM MDT, 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 305 PM MDT FRI AUG 8 2014 NEZ020-WYZ119-082130- BANNER NE-EAST LARAMIE COUNTY WY- 305 PM MDT FRI AUG 8 2014 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN LARAMIE AND SOUTHWESTERN BANNER COUNTIES UNTIL 330 PM MDT... AT 304 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS STILL TRACKING A STRONG THUNDERSTORM 6 MILES EAST OF MERIDEN REST AREA...OR 34 MILES NORTHWEST OF KIMBALL...MOVING EAST AT 25 MPH. THE STORM HAS STRENGTHENED OVER THE PAST FEW MINUTES...AND IS NOW LIKELY PRODUCING HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH...ALONG WITH FREQUENT DANGEROUS LIGHTNING STRIKES. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... MAINLY RURAL AREAS OF EXTREME NORTHEASTERN LARAMIE AND WESTERN BANNER COUNTIES. && LAT...LON 4157 10386 4140 10387 4145 10433 4156 10435 TIME...MOT...LOC 2104Z 271DEG 20KT 4151 10418
Special weather statement, Aug 8, 3:21 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 321 PM MDT FRI AUG 8 2014 NEZ003-021-096-082215- BOX BUTTE NE-MORRILL NE-SOUTH SIOUX NE- 321 PM MDT FRI AUG 8 2014 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN SIOUX...NORTHWESTERN MORRILL AND SOUTHERN BOX BUTTE COUNTIES UNTIL 415 PM MDT... AT 320 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A CLUSTER OF STRONG THUNDERSTORMS FROM 6 MILES SOUTHEAST OF WATSON RANCH TO 7 MILES SOUTHEAST OF KILPATRICK LAKE...MOVING EAST AT 20 MPH. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... ALLIANCE... KILPATRICK LAKE... BEREA... && LAT...LON 4182 10297 4208 10356 4225 10353 4225 10281 TIME...MOT...LOC 2120Z 286DEG 14KT 4214 10340
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 4:55 PM MDT | Special Weather Statement | CYS | Niobrara | 50 min |
| Aug 7, 6:22 PM MDT | Special Weather Statement | CYS | Banner | 38 min |
| Aug 8, 2:57 PM MDT | Special Weather Statement | CYS | Banner | 33 min |
| Aug 8, 3:05 PM MDT | Special Weather Statement | CYS | Banner | 25 min |
| Aug 8, 3:36 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Morrill | 39 min |
| Aug 8, 3:41 PM MDT | Special Weather Statement | CYS | Kimball | 49 min |
| Aug 8, 3:57 PM MDT | Special Weather Statement | CYS | Kimball | 63 min |
| Aug 8, 5:16 PM MDT | Special Weather Statement | CYS | Cheyenne | 44 min |
| Aug 8, 5:50 PM MDT | Special Weather Statement | CYS | Sioux | 40 min |
Nearby
Special Weather Statements in Nebraska, 2014Every special weather statement in 2014
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.