Alert archive / Nebraska / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 94, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 30, 2011, 3:58 PM MDT for Banner County, Kimball County, Nebraska; Goshen County, Laramie County, Wyoming. It was in force for 47 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
- Jun 30, 2011, 3:58 PM MDT (21:58 UTC)
- Expired
- Jun 30, 2011, 4:45 PM MDT
- In force
- 47 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Banner County, NE, Kimball County, NE, Goshen County, WY, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 51 km from the middle of the area, began a volume at 22:01 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 30, 12:18 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 10.0 hours before the alert went out and 191 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2394 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
544 WUUS55 KCYS 302158 SVRCYS NEC007-105-WYC015-021-302245- /O.NEW.KCYS.SV.W.0094.110630T2158Z-110630T2245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 358 PM MDT THU JUN 30 2011 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN BANNER COUNTY IN THE PANHANDLE OF NEBRASKA... NORTHWESTERN KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA... SOUTHEASTERN GOSHEN COUNTY IN SOUTHEAST WYOMING... EASTERN LARAMIE COUNTY IN SOUTHEAST WYOMING... * UNTIL 445 PM MDT * AT 356 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES WEST OF BURNS...OR 16 MILES EAST OF CHEYENNE...AND MOVING NORTHEAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... BURNS...GUN BARREL...PINE BLUFFS...MERIDEN REST AREA...ALBIN... OLIVER RESERVOIR...LA GRANGE. THIS INCLUDES INTERSTATE 80 IN WYOMING BETWEEN MILE MARKERS 374 AND 402. THIS INCLUDES INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 1 AND 9. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4170 10419 4121 10380 4103 10449 4131 10472 TIME...MOT...LOC 2158Z 234DEG 45KT 4124 10447 WIND...HAIL 60MPH <.75IN $$ HAHN
2 follow-up statements
805 WWUS55 KCYS 302214 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 414 PM MDT THU JUN 30 2011 NEC007-105-WYC015-021-302245- /O.CON.KCYS.SV.W.0094.000000T0000Z-110630T2245Z/ BANNER NE-KIMBALL NE-GOSHEN WY-LARAMIE WY- 414 PM MDT THU JUN 30 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN LARAMIE...SOUTHEASTERN GOSHEN...NORTHWESTERN KIMBALL AND SOUTHWESTERN BANNER COUNTIES UNTIL 445 PM MDT... AT 410 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STRONG WINDS WERE LOCATED 8 MILES SOUTH OF GUN BARREL...OR 28 MILES NORTHEAST OF CHEYENNE...MOVING NORTHEAST AT 40 MPH. IN ADDITION...A WIND GUST OF 60 MPH WAS REPORTED IN CHEYENNE AT 350 PM WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... PINE BLUFFS...MERIDEN REST AREA...ALBIN...OLIVER RESERVOIR...LA GRANGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4170 10419 4121 10380 4103 10449 4131 10472 TIME...MOT...LOC 2213Z 234DEG 45KT 4135 10426 WIND...HAIL 60MPH <.75IN $$ HAHN
029 WWUS55 KCYS 302241 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 441 PM MDT THU JUN 30 2011 NEC007-105-WYC015-021-302251- /O.EXP.KCYS.SV.W.0094.000000T0000Z-110630T2245Z/ BANNER NE-KIMBALL NE-GOSHEN WY-LARAMIE WY- 441 PM MDT THU JUN 30 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LARAMIE...SOUTHEASTERN GOSHEN...NORTHWESTERN KIMBALL AND SOUTHWESTERN BANNER COUNTIES WILL EXPIRE AT 445 PM MDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM. LAT...LON 4170 10419 4121 10380 4103 10449 4131 10472 TIME...MOT...LOC 2241Z 234DEG 45KT 4155 10388 $$ HAHN
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 Jun 30, 2:06 PM MDT, 1 hour 52 minutes earlier.
Area forecast discussion, Jun 30, 2:06 PM MDT, 1 hour 52 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHEYENNE WY 206 PM THU JUN 30 2011 .SHORT TERM...TONIGHT THROUGH SATURDAY... THUNDERSTORMS CONTINUE TO DEVELOP EARLY THIS AFTERNOON OVER THE SOUTHEAST PART OF WYOMING AND NORTHERN COLORADO. MANY OF THE STORMS WILL BECOME STRONG OR SEVERE THROUGH THE REST OF THE AFTERNOON AND EARLY TONIGHT AS THE ACTIVITY SPREAD EAST. MAIN THREAT FROM THE STORMS WILL BE STRONG WIND GUSTS...LARGE HAIL AND HEAVY RAINFALL. SO FAR TODAY TO THE WEST OF THE LARAMIE RANGE...SMALL HAIL...WIND GUSTS TO 40 MPH AND A PERIOD OF HEAVY RAIN HAS BEEN NOTED. DEEPER MOISTURE...GREATER INSTABILITY AND LARGER CAPE VALUES ARE OVER THE EAST PART OF THE CWA. THAT IS WHERE THE POTENTIAL FOR LARGER HAIL EXISTS. ALL OF THE ACTIVITY IS AHEAD OF A POTENT SHORTWAVE TROUGH CURRENTLY OVER EXTREME EAST CENTRAL UTAH. THAT FEATURE WILL MOVE ACROSS THE CWA TONIGHT. AHEAD OF THE SHORTWAVE TROUGH IS A 250 MB JET SEGMENT WHICH HAS BEEN AIDING STORM DEVELOPMENT OVER SOUTHEAST WYOMING. MODELS DIFFER WITH THE TIMING OF THE SHORTWAVE TROUGH WITH THE NAM BEING MUCH SLOWER. AT THIS TIME WILL FOLLOW MORE CLOSELY THE 00Z ECMWF TIMING WHICH MOVES THE FEATURE JUST EAST OF THE CWA AT 12Z FRIDAY. SHOWERS AND THUNDERSTORMS WILL CONTINUE AHEAD OF THE SHORTWAVE TROUGH TONIGHT. LOW CLOUDS AND WILL BE POSSIBLE LATER TONIGHT AND THROUGH MID MORNING FRIDAY OVER THE NORTHERN PANHANDLE WHERE THE SURFACE DEW POINTS WILL BE HIGHEST. AN ASSOCIATED SURFACE COLD FRONT WILL MOVE ACROSS THE CWA TONIGHT AND IS PRECEEDED BY A PRE FRONTAL TROUGH. BEHIND THE FRONT FOR FRIDAY WILL BE COOLER AND MORE STABLE AIR AS SURFACE HIGH PRESSURE BUILDS OVER THE REGION. FOR SATURDAY THE FLOW ALOFT IS MORE WESTERLY WITH A WEAK SHORTWAVE TROUGH MOVING ACROSS THE CWA. THE SURFACE HIGH WILL BE OVER THE PLAINS WITH SOUTHEAST RETURN FLOW INCREASING THE LOW LEVEL MOISTURE. PRECIPITABLE WATER VALUES INCREASE TO AN INCH OVER THE PANHANDLE ON SATURDAY. WILL INCREASE POPS FOR SATURDAY OVER MAINLY THE EASTERN PART OF THE CWA AND WARM TEMPERATURES. SPC HAS PLACED THE RISK OVER SEVERE OVER A NARROW PART OF SOUTHEAST WYOMING SATURDAY AFTERNOON AND LOOKS REASONABLE AT THIS TIME. .LONG TERM... LINGERING CONVECTION EXPECTED TO END SATURDAY EVENING WITH MAINLY DRY WEATHER EXPECTED SUNDAY AND MONDAY AS UPPER HIGH BUILDS OVER THE CWA WITH ASSOCIATED HEIGHT RISES. TEMPERATURES QUITE WARM SUNDAY AND INDEPENDENCE DAY WITH MAXS AROUND 100 POSSIBLE OVER THE PANHANDLE...ESPECIALLY MONDAY. INCREASE IN MOISTURE THEN EXPECTED OVER THE REGION BY MIDWEEK WHICH WILL BRING SOME MINOR COOLING AS WELL AS AN INCREASE IN MAINLY LATE DAY CONVECTION...BEGINNING TUESDAY THEN SOMEWHAT MORE SO WEDNESDAY AND THURSDAY. && .AVIATION...00Z TAF ISSUANCE... MAINLY VFR CONDITIONS EXPECTED TONIGHT THROUGH FRIDAY OUTSIDE OF SCTD TSRAS TONIGHT WHERE BRIEF MVFR CIGS/VSBYS POSSIBLE. BRIEF GUSTY SFC WINDS ALSO POSSIBLE VCTY ANY CBS. && .FIRE WEATHER... THUNDERSTORMS WILL AFFECT MOST OF THE CWA THROUGH TONIGHT WITH WETTING RAIN LIKELY. BEHIND THE COLD FRONT FOR FRIDAY WILL BE COOLER TEMPERATURES...A MUCH LOWER CHANCE OF LATE DAY STORMS AND GUSTY NORTHWEST OR NORTH WINDS. TEMPERATURES THEN WARM FOR THE WEEKEND AND MINIMUM RELATIVE HUMIDITY VALUES OVER THE LOWER ELEVATIONS DROP TO BETWEEN 15 AND 30 PERCENT. SOME LATE DAY THUNDERSTORMS WILL AFFECT THE EAST PART OF THE CWA SATURDAY. MID AND UPPER LEVEL MOISTURE RETURNS TO THE CWA MONDAY AND PERSISTS THROUGH THE MID PART OF NEXT WEEK. THE ADDITIONAL MOISUTRE WILL HELP TO PRODUCE LATE DAY SHOWERS AND THUDNERSTORMS. A COLD FRONT WILL MOVE ACROSS THE CWA MONDAY AFTERNOON AND MONDAY EVENING. && .HYDROLOGY... FLOOD WARNINGS REMAIN IN EFFECT FOR SARATOGA...SINCLAIR...HENRY AND MITCHELL ALONG THE NORTH PLATTE RIVER AS WELL AS THE LARAMIE RIVER NEAR LARAMIE AND THE ENCAMPMENT RIVER AT ENCAMPMENT. RIVER LEVELS WILL REMAIN STEADY OR SLOWLY FALL THROUGH EARLY NEXT WEEK ALONG THE LOWER NORTH PLATTE RIVER...WITH DIURNAL RISES AND FALLS MIXED IN WITH A GENERAL DECREASING TREND FURTHER WEST. VERY WARM TEMPERATURES ARE FORECAST OVER THE WEEKEND AND EARLY NEXT WEEK WHICH WILL RESULT IN INCREASED MOUNTAIN SNOW MELT. HOWEVER...WITH MOST OF THE SNOW PACK BELOW 9500 FEET MSL IN THE MOUNTAINS ALREADY MELTED... DO NOT ANTICIPATE ANY SIGNIFICANT RISES THIS WEEK. && .CYS WATCHES/WARNINGS/ADVISORIES... WY...NONE. NE...NONE. && WEILAND/EMANUEL
Hazardous weather outlook, Jun 30, 12:32 PM MDT, 3 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 1232 PM MDT THU JUN 30 2011 WYZ101>119-011045- CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN 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- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- 1232 PM MDT THU JUN 30 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE TO THE NORTHEAST AND SPREAD OVER THE REST OF SOUTHEAST WYOMING BY MID AFTERNOON. SOME OF THE THUNDERSTORMS WILL PRODUCE HAIL TO ONE INCH IN DIAMETER...WIND GUSTS TO 60 MPH AND HEAVY RAINFALL. THE THUNDERSTORMS WILL END OVER SOUTHEAST WYOMING BY LATE THIS EVENING. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ISOLATED STRONG STORMS MAY DEVELOP MAINLY NORTH OF A GLENDO TO TORRINGTON LINE ON FRIDAY. THERE IS ALSO A CHANCE OF THUNDERSTORMS ON SATURDAY AND EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ002-003-019>021-054-055-095-096-011045- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- 1232 PM MDT THU JUN 30 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS MAY DEVELOP OR MOVE INTO THE NEBRASKA PANHANDLE BY LATE IN THE AFTERNOON. SOME OF THE STORMS MAY BECOME SEVERE WITH THE MAIN THREATS BEING WIND GUSTS TO 70 MPH...HAIL UP TO ONE AND ONE HALF INCHES IN DIAMETER AND HEAVY RAIN. THE STORMS WILL WEAKEN AND MOVE EAST OF THE PANHANDLE SHORTLY AFTER MIDNIGHT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE WESTERN NEBRASKA PANHANDLE UNTIL 9 PM. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ISOLATED STRONG STORMS MAY DEVELOP MAINLY NORTH OF A TORRINGTON TO ALLIANCE LINE ON FRIDAY. THERE IS ALSO A CHANCE OF THUNDERSTORMS ON SATURDAY AND EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE WEILAND
In the hours before
Local storm report, Jun 30, 2:22 PM MDT, 1 hour 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
222 PM MDT THU JUN 30 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0140 PM TSTM WND GST 13 S GLEN 42.42N 103.58W
06/30/2011 M57 MPH SIOUX NE DEPT OF HIGHWAYS
0150 PM TSTM WND GST DOUGLAS 42.76N 105.39W
06/30/2011 M50 MPH CONVERSE WY ASOS
&&
BCHAPMANSpecial weather statement, Jun 30, 3:04 PM MDT, 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 304 PM MDT THU JUN 30 2011 WYZ116-117-302145- SOUTH LARAMIE RANGE WY-SOUTH LARAMIE RANGE FOOTHILLS WY- 304 PM MDT THU JUN 30 2011 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN LARAMIE AND SOUTHEASTERN ALBANY COUNTIES UNTIL 400 PM MDT... AT 302 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG WINDS ASSOCIATED WITH A THUNDERSTORM NEAR VIRGINIA DALE...OR 29 MILES SOUTHEAST OF LARAMIE...MOVING NORTHEAST AT 30 MPH. WIND GUSTS OUT OF THE SOUTH OF UP TO 50 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... BUFORD... CRYSTAL LAKE RESERVOIR... GRANITE SPRINGS RESERVOIR... FEDERAL... THIS INCLUDES INTERSTATE 80 IN WYOMING BETWEEN MILE MARKERS 330 AND 350. THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. HAHN
Special weather statement, Jun 30, 3:33 PM MDT, 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 333 PM MDT THU JUN 30 2011 NEZ002-095-302200- DAWES NE-NORTH SIOUX NE- 333 PM MDT THU JUN 30 2011 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN SIOUX AND NORTHERN DAWES COUNTIES UNTIL 400 PM MDT... AT 329 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7 MILES NORTHWEST OF CRAWFORD...OR 25 MILES WEST OF CHADRON...MOVING NORTHEAST AT 50 MPH. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... AGATE DAM RESERVOIR... WHITNEY LAKE... CHADRON AIRPORT... WHITNEY... THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. HAHN
Local storm report, Jun 30, 3:41 PM MDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
341 PM MDT THU JUN 30 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0338 PM TSTM WND GST 4 W CHEYENNE 41.15N 104.86W
06/30/2011 M54 MPH LARAMIE WY OTHER FEDERAL
OBSERVED AT F.E. WARREN AFB.
&&
MJAMSKILocal storm report, Jun 30, 3:42 PM MDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
342 PM MDT THU JUN 30 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0339 PM TSTM WND GST CHEYENNE 41.15N 104.79W
06/30/2011 M57 MPH LARAMIE WY ASOS
&&
MJAMSKILocal storm report, Jun 30, 3:53 PM MDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
353 PM MDT THU JUN 30 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0352 PM TSTM WND GST 10 N CHEYENNE 41.29N 104.79W
06/30/2011 E60 MPH LARAMIE WY NWS EMPLOYEE
&&
MJAMSKIThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:16 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Morrill | 29 min |
| Jun 30, 2:03 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 24 min |
| Jun 30, 4:01 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 29 min |
| Jun 30, 4:24 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 53 min |
| Jun 30, 5:15 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Morrill | 17 min |
| Jun 29, 6:20 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 51 min |
| Jun 29, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 38 min |
| Jun 29, 6:57 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 37 min |
| Jun 30, 11:16 AM MDT | River Flood Warning | CYS | Carbon | 34 hr |
| Jun 30, 3:19 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 41 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2011Severe Thunderstorm Warnings in Wyoming, 2011Every severe thunderstorm warning 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.