Alert archive / Nebraska / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 227, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 6, 2010, 6:51 PM MDT for Deuel County, Garden County, Nebraska. It was in force for 39 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 6, 2010, 6:51 PM MDT (00:51 UTC)
- Expired
- Jul 6, 2010, 7:30 PM MDT
- In force
- 39 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Deuel County, NE, Garden County, NE
The radar
The North Platte radar (KLNX), 160 km from the middle of the area, began a volume at 00:52 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 6, 1:50 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.9 hours before the alert went out and 147 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
- 991 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1860 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
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 6, 3:00 PM MDT, 3 hours 51 minutes earlier.
Area forecast discussion, Jul 6, 3:00 PM MDT, 3 hours 51 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 400 PM CDT TUE JUL 6 2010 .DISCUSSION... SFC FRONTAL BOUNDARY HAS BECOME DEFINED ON VSBL SAT FROM NEAR KILGORE IN NCTRL NEBR THROUGH BINGHAM IN FAR SERN SHERIDAN COUNTY AND LISCO IN WRN GARDEN COUNTY. THE STRONGER SHEAR WILL FOCUS NEAR AND BEHIND THE FRONT WHERE MOISTURE SHOULD POOL AND LEAD TO MODERATE INSTABILITY AND A THREAT OF SEVERE WX IN THE FORM OF LARGER HAIL AND GUSTY WINDS. ADDITIONAL CONCERN FOR HEAVY RAINFALL DETAILED IN HYDROLOGY DISCUSSION BELOW. SURFACE FRONT SHOULD BE FORCED JUST SOUTHEAST OF FORECAST AREA BY 18Z WEDNESDAY...ESPECIALLY IF CONVECTION IS STRONG ENOUGH. LIFT OVER THIS FRONT SHOULD CONTINUE TO BRING SHOWERS AND THUNDERSTORMS TO CWA ON WEDNESDAY WITH. MUCH COOLER AIR TODAY AT 19Z WITH CPR ONLY 52 AND GCC 54. THIS COOL AIRMASS WILL DROP IN WITH THE SFC HIGH AND TEMPS TRENDED DOWN TO THE 65 TO 70 RANGE UNDER CLOUDY SKIES. UPPER TROF WILL SWING THROUGH WEDNESDAY NIGHT AND END THE PCPN THREAT THROUGH END OF THE WEEK WITH THE NEXT THREAT FOR PCPN TO BEGIN SATURDAY AFTN ACROSS THE NCTRL. NRN PLAINS UPPER TROUGH TO EVENTUALLY BRING A COLD FRONT SOUTH SUNDAY NIGHT...WITH THE BEST CHCS AT THAT TIME. SLIGHT CHC MONDAY AND MONDAY NIGHT WITH A DRY TUESDAY (DAY 7). HIGHS TO RANGE IN THE MID TO UPPER 80S...POSSIBLY REACHING THE LOWER 90S WEST BY NEXT TUESDAY. && .HYDROLOGY... HYDROLOGIC CONCERN WILL INCREASE TONIGHT INTO WEDNESDAY AS SLOW MOVING COLD FRONT SAGS SOUTHEASTWARD. MOIST ATMOSPHERE INDICATED WITH GOES DPI SHOWING INCREASING PRECIPITABLE WATER VALUES INCREASING TO NEAR 1.25 INCHES IN NCTRL NEBR NEAR AND BEHIND SFC FRONT. FORECAST PWS WILL INCREASE NEAR AND BEHIND THE FRONT INTO TONIGHT. MODEL FORECASTS INDICATE HEAVY RAIN POTENTIAL TONIGHT WEST OF VTN THROUGH MULLEN AND GRANT...WHICH MATCHES UP FAIRLY WELL WITH EXCESSIVE RAINFALL AREA. BASED ON WEEKEND RAINFALL AMOUNTS OF 1 TO 2 INCHES ACROSS SERN PANHANDLE INTO SWRN NEBR...3 HR FFG VALUES ARE AS LOW AS 1.5 INCHES FOR KEITH AND PERKINS COUNTY. AREAS ADJACENT INCLUDING LINCOLN...CHASE...HAYES AND AND FRONTIER ARE EVEN LOWER...ALTHOUGH GREATER HEAVY RAINFALL THREAT IS TO THE NORTHWEST. WILL ISSUE A FLASH FLOOD WATCH TONIGHT THROUGH 18Z WED FOR GARDEN...DEUEL...KEITH AND PERKINS COUNTY. STORMS SHOULD DEVELOP INTO A COMPLEX INVOF FRONT AND MOVE NORTHEAST ALONG THE FRONT FROM 15 TO 20 KTS. THUS...TRAINING ECHOES LIKELY. MINOR TRIBUTARIES MAY FLOOD AS WELL AREAS OF POOR DRAINAGE. && .AVIATION... A SLOW MOVING COLD FRONT WILL PROGRESS SOUTHEAST ACROSS THE AREA TONIGHT...REACHING KVTN THIS EVENING...THEN KLBF OVERNIGHT. EXPECT VFR CONDITIONS AND SOUTHERLY WIND AHEAD OF THE FRONT. ALONG THE FRONT A BAND OF THUNDERSTORMS WILL DEVELOP...AND BRING MVFR AND LOCALLY IFR CONDITIONS. BEHIND THE FRONT...NORTHERLY WINDS CAN BE EXPECTED ALONG WITH MVFR CIGS AND SCT SHOWERS AND ISOLD THUNDER. THIS ACTIVITY WILL LINGER INTO THE AFTERNOON ON WEDNESDAY. && .LBF WATCHES/WARNINGS/ADVISORIES...FLASH FLOOD WATCH IN EFFECT FROM 00Z WEDNESDAY UNTIL 18Z WEDNESDAY FOR NEZ022-056>058. && DISCUSSION...ROBERG HYDROLOGY...ROBERG AVIATION...MASEK
Hazardous weather outlook, Jul 6, 2:02 PM MDT, 4 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTH PLATTE NE 302 PM CDT TUE JUL 6 2010 NEZ004>010-022>029-035>038-056>059-069>071-094-072015- SHERIDAN-EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-GARDEN- GRANT-HOOKER-THOMAS-BLAINE-LOUP-GARFIELD-WHEELER-ARTHUR-MCPHERSON- LOGAN-CUSTER-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER- WESTERN CHERRY- 302 PM CDT TUE JUL 6 2010 /202 PM MDT TUE JUL 6 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND NORTH CENTRAL NEBRASKA. .DAY ONE...THIS AFTERNOON AND TONIGHT. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER WESTERN NEBRASKA WEST OF A LINE FROM ONEILL TO BROKEN BOW...TO NORTH PLATTE...TO IMPERIAL. A COLD FRONT WILL MOVE SOUTHEAST ACROSS WESTERN AND NORTH CENTRAL NEBRASKA. THE MAIN THREAT WITH THUNDERSTORMS THAT DEVELOP WILL BE LARGE HAIL AND DAMAGING THUNDERSTORM WINDS...AN ISOLATED TORNADO IS POSSIBLE. HEAVY RAIN IS POSSIBLE WITH THESE THUNDERSTORMS TONIGHT. AREAS OF THE SOUTHEAST NEBRASKA PANHANDLE AND PORTIONS OF SOUTHWEST NEBRASKA THAT HAD AN INCH TO TWO INCHES OF RAINFALL SUNDAY NIGHT MAY BE PRONE TO FLASH FLOODING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THE POTENTIAL FOR STORMS AND LOCALLY FLASH FLOODING CONTINUES THROUGH THE DAYTIME HOURS ON WEDNESDAY. THUNDERSTORM RETURN TO THE FORECAST ON SATURDAY AND SUNDAY AS A LOW PRESSURE SYSTEM MOVES ONTO THE NORTHERN PLAINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. && THIS PRODUCT IS NOW AVAILABLE...ALONG WITH OTHER WEATHER... HYDROLOGICAL AND CLIMATOLOGICAL INFORMATION...AT HTTP://WWW.WEATHER.GOV/NORTHPLATTE MASEK
In the hours before
Special weather statement, Jul 6, 5:29 PM MDT, 1 hour 22 minutes before
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</html>Local storm report, Jul 6, 5:55 PM MDT, 56 minutes before
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</html>Special weather statement, Jul 6, 6:02 PM MDT, 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 702 PM CDT TUE JUL 6 2010 NEZ004-070100- SHERIDAN NE- 602 PM MDT TUE JUL 6 2010 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN SHERIDAN COUNTY UNTIL 700 PM MDT... AT 556 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM PINE RIDGE TO 20 MILES NORTHWEST OF ALLIANCE...AND 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 HEAVY RAIN. LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE... HAY SPRINGS... RUSHVILLE... GORDON... INTERSECTION OF HIGHWAY 87 AND CRAVEN CREEK ROAD... INTERSECTION OF BEAVER CREEK ROAD AND WHITE CLAY CREEK ROAD... INTERSECTION OF HIGHWAY 87 AND LARABEE ROAD... INTERSECTION OF HIGHWAY 87 AND ANTELOPE ROAD... WALGREN LAKE STATE RECREATION AREA... CLINTON... HIGHWAY 250 CROSSING THE NIOBRARA RIVER... HOOVER LAKE... SMITH LAKE STATE WILDLIFE MANAGEMENT AREA... INTERSECTION OF HIGHWAY 27 AND MILLS ROAD... HIGHWAY 87 MILE MARKER 70... HIGHWAY 87 MILE MARKER 30... HIGHWAY 87 MILE MARKER 60... HIGHWAY 27 MILE MARKER 230... HIGHWAY 250 MILE MARKER 30... THESE STORMS 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. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. BUTTLER
Local storm report, Jul 6, 6:11 PM MDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
711 PM CDT TUE JUL 06 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 PM HAIL 4 SW WOOD LAKE 42.60N 100.29W
07/06/2010 E0.25 INCH CHERRY NE PUBLIC
&&
CJSSpecial weather statement, Jul 6, 6:16 PM MDT, 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 716 PM CDT TUE JUL 6 2010 NEZ022>024-035-094-070115- ARTHUR NE-GARDEN NE-GRANT NE-HOOKER NE-WESTERN CHERRY NE- 616 PM MDT TUE JUL 6 2010 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN CHERRY...GRANT... NORTHWESTERN HOOKER...NORTHEASTERN GARDEN AND NORTHWESTERN ARTHUR COUNTIES UNTIL 715 PM MDT... AT 615 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM ASHBY TO DEER LAKE...AND 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 HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE... SWEDE LAKE... HYANNIS... BOURQUIM HILL... WHITMAN... PRATT LAKE... SPRING VALLEY LAKE... JENSEN LAKE... CARR LAKE... SAND PUDDIN LAKE... GREEN LAKE... HIGHWAY 61 MILE MARKER 150... HIGHWAY 61 MILE MARKER 140... HIGHWAY 2 MILE MARKER 170... HIGHWAY 61 MILE MARKER 130... THESE STORMS 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. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. BUTTLER
Local storm report, Jul 6, 6:29 PM MDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
729 PM CDT TUE JUL 06 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0715 PM HAIL 5 NW JOHNSTOWN 42.62N 100.12W
07/06/2010 E1.00 INCH BROWN NE PUBLIC
MOST OF THE HAIL WAS NICKEL SIZE...BUT A FEW STONES WERE
THE SIZE OF QUARTERS.
&&
CJSThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 6:12 PM MDT | Severe Thunderstorm Warning | LBF | Deuel, Garden | 63 min |
| Jul 6, 6:34 PM MDT | Severe Thunderstorm Warning | LBF | Garden | 56 min |
| Jul 6, 7:23 PM MDT | Flash Flood Warning | LBF | Cherry, Garden, Grant | 3 hr |
| Jul 6, 7:41 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 64 min |
| Jul 6, 9:45 PM MDT | Flash Flood Warning | LBF | Deuel | 6 hr |
| Jul 7, 3:11 AM MDT | Flash Flood Warning | LBF | Deuel | 5 hr |
| Jul 7, 7:53 AM MDT | Areal Flood Advisory | LBF | Deuel | 5 hr |
| Jul 7, 12:31 PM MDT | Areal Flood Warning | LBF | Deuel | 30 hr |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2010Every severe thunderstorm warning in 2010
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.