Alert archive / Nebraska / Flash Flood Warnings in 2005
Flash Flood Warning 17, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Jul 10, 2005, 10:15 PM MDT for Sheridan County, Nebraska. It was in force for 30 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 10, 2005, 10:15 PM MDT (04:15 UTC)
- Expired
- Jul 10, 2005, 10:45 PM MDT
- In force
- 30 min
- Issued by
- NWS North Platte, NE
- Area
- Counties, with a storm outline in the text
County Sheridan County, NE
The radar
The Rapid City radar (KUDX), 147 km from the middle of the area, began a volume at 04:17 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 flash flood 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 nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 4.3 hours before the alert went out and 142 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLBF 110417 FFWLBF NEC161-110445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 1015 PM MDT SUN JUL 10 2005 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN SHERIDAN COUNTY IN THE PANHANDLE OF NEBRASKA THIS INCLUDES THE CITY OF GORDON * UNTIL 1045 PM MDT * AT 1011 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. * THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH ARE POSSIBLE IN THE WARNED AREA AS ANOTHER CLUSTER OF SLOW MOVING STORMS MOVES THROUGH NORTHER SHERIDAN COUNTY FROM 11 PM TO 1 AM MDT. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. LAT...LON 4274 10274 4269 10208 4298 10212 4297 10272 $$ SPRINGER
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jul 10, 1:38 PM MDT, 8 hours 37 minutes earlier.
Area forecast discussion, Jul 10, 1:38 PM MDT, 8 hours 37 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 237 PM SUN JUL 10 2005 .DISCUSSION... DENNIS NEARING LANDFALL EARLY THIS AFTERNOON JUST EAST OF MOBILE BAY IN THE FLORIDA PANHANDLE. BOTH MODELS HANDLE THIS SCENARIO GOOD BUT BEGIN TO DIFFER ON TUESDAY WITH EXTENT OF REMAINS OF DENNIS OVER MISSOURI AND BEYOND. GFS NOT AS FAR WEST WITH REMAINS AND WITH WEAK RIDGE TO EAST AND STRONGER HIGH TO THE EAST BELIEVE DENNIS WILL CURVE MORE NORTHEAST AS GFS ADVERTISES. WILL USE A BLEND FOR FORECAST BUT TREND TOWARDS GFS SOLUTION. WEAK COLD FRONT WITH MAIN ENERGY WELL OVER CANADA APPROACHING FROM THE NORTHWEST TONIGHT. WITH THE AID OF LLJ AND DRY LINE SHOULD BE ENOUGH LIFT FOR SCHC ALONG WESTERN EDGE OF CWA. THEN FOCUS SHIFTS TO NORTHWEST LATE WITH ADVANCE OF COOL FRONT. HAVE DROPPED POPS BACK TO SCHC ON MONDAY WITH SOMEWHAT FASTER MOVEMENT OF SYSTEM AND MARGINAL LIFT. TEMPERATURES TO BE SLIGHTLY COOLER ON MONDAY AND TUESDAY WITH PASSAGE OF FRONT. HAVE DROPPED PRECIPITATION ON TUESDAY MORNING WITH BOTH MODELS IN GOOD AGREEMENT ONTIMING OF SYSTEM. TEMPERATURES BEGIN TO RISE WEDNESDAY AND BEYOND AS REMNANTS OF DENNIS PULL NORTHEAST AND RIDGE BUILDS BACK IN WITH DRIER AIRMASS IN PLACE. AS WE TRANSITION TO A MORE ZONAL FLOW NEXT SYSTEM WELL NORTH IN CENTRAL CANADA APPROACHES FORECAST AREA ON FRIDAY BUT DRIER AIRMASS HAVE LEFT EXTENDED DRY FOR NOW...WITH ABOVE NORMAL TEMPERATURES. && .LBF WATCHES/WARNINGS/ADVISORIES...NONE. && POWER
Hazardous weather outlook, Jul 10, 1:57 PM MDT, 8 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTH PLATTE NE 257 PM CDT SUN JUL 10 2005 NEZ004>010-022>029-035>038-056>059-069>071-094-111030- 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 257 PM CDT SUN JUL 10 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND NORTH CENTRAL NEBRASKA. .DAY ONE...TONIGHT GENERAL THUNDERSTORM DEVELOPMENT IS POSSIBLE ACROSS THE NORTHWEST THIS EVENING...AND EAST OF THE PANHANDLE AFTER MIDNIGHT CDT. A COLD FRONT WILL APPROACH FROM THE NORTHWEST WITH AN AREA OF LOW PRESSURE EXTENDING SOUTH ON THE HIGH PLAINS. ISOLATED TO SCATTERED HIGH BASED STORMS MAY FORM IN THE NORTHWEST AS A COLD FRONT APPROACHES...MAINLY NORTHWEST OF A LINE FROM CRESCENT WILDLIFE REFUGE...IN GARDEN COUNTY...TO HYANNIS IN GRANT COUNTY...TO MILLS IN KEYA PAHA COUNTY. THEN OVERNIGHT...AS A COLD FRONT ADVANCES SOUTHEAST THERE IS A SLIGHT CHANCE FOR THUNDERSTORM DEVELOPMENT FURTHER SOUTHEAST TO INCLUDE AREAS EAST TO A LINE FROM EUSTIS IN FRONTIER COUNTY...BROKEN BOW IN CUSTER COUNTY AND BUTTE IN BOYD COUNTY. THUNDERSTORMS THAT DO FORM WILL BE CAPABLE OF STRONG WIND GUSTS TO 45 MPH AND SMALL HAIL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE CHANCE FOR THUNDERSTORMS WILL LINGER THROUGH MONDAY NIGHT AS THE COLD FRONT MOVES SOUTHEAST. THUNDERSTORMS THAT DO FORM ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS. THEN MAINLY DRY CONDITIONS ARE ANTICIPATED AS THE UPPER RIDGE REBUILDS ACROSS THE WEST AND SUPPRESS THUNDERSTORM DEVELOPMENT THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
In the hours before
Local storm report, Jul 10, 8:32 PM MDT, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
932 PM CDT SUN JUL 10 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0817 PM DOWNBURST GORDON 42.81N 102.20W
07/10/2005 SHERIDAN NE LAW ENFORCEMENT
GORDON POLICE DEPT. CALLED TO REPORT RAIN IN EXCESS OF 2
INCHES OVER A 45 MIN PERIOD AND TREE BRANCHES 3 TO 5
INCHES BROKEN OFF. THEY ESTIMATED SUSTAINED WINDS OF 30
TO 50 MPH WITH HIGHER GUSTS.
&&
JSWEETThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 6:43 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 62 min |
| Jul 10, 7:44 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 37 min |
| Jul 10, 8:03 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 57 min |
| Jul 10, 10:25 PM MDT | Flash Flood Warning | LBF | Sheridan | 3 hr |
| Jul 10, 11:31 PM MDT | Severe Thunderstorm Warning | LBF | Perkins | 59 min |
| Jul 11, 5:29 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Grant, Hooker, McPherson | 31 min |
Nearby
Flash Flood Warnings in Nebraska, 2005Every flash flood 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.