Alert archive / Nebraska / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 325, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 11, 2005, 5:29 PM MDT for 4 counties in Nebraska. It was in force for 31 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 11, 2005, 5:29 PM MDT (23:29 UTC)
- Expired
- Jul 11, 2005, 6:00 PM MDT
- In force
- 31 min
- Issued by
- NWS North Platte, NE
- Area
- Counties, with a storm outline in the text
Counties Arthur County, NE, Grant County, NE, Hooker County, NE, McPherson County, NE
The radar
The North Platte radar (KLNX), 77 km from the middle of the area, began a volume at 23:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 11, 5:35 PM MDT | HAIL 1 | 15 Se Hyannis, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 6 minutes after it went out.
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 |
|---|---|---|---|
| Jul 11, 2:55 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.5 hours before the alert went out and 106 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
- 51 J/kg
- Mixed-layer CIN
- -503 J/kg
- Mixed-layer LCL
- 1972 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLBF 112330 SVRLBF NEC005-075-091-117-120000- /O.NEW.KLBF.SV.W.0325.050711T2329Z-050712T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 529 PM MDT MON JUL 11 2005 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA ARTHUR COUNTY IN WEST CENTRAL NEBRASKA HOOKER COUNTY IN WEST CENTRAL NEBRASKA GRANT COUNTY IN WEST CENTRAL NEBRASKA * UNTIL 600 PM MDT(700 PM CDT) * AT 524 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 18 MILES SOUTH OF WHITMAN...OR ABOUT 19 MILES NORTHEAST OF ARTHUR...AND MOVING SOUTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RURAL SOUTHWESTERN HOOKER COUNTY AT 540 PM MDT RURAL NORTHWESTERN MCPHERSON COUNTY AT 640 PM CDT RURAL NORTHEASTERN ARTHUR COUNTY AT 540 PM MDT DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. LAT...LON 4207 10194 4143 10191 4143 10077 4205 10089 $$ POWER
3 follow-up statements
000 WWUS53 KLBF 112344 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 644 PM CDT MON JUL 11 2005 NEC005-075-091-117-120000- /O.CON.KLBF.SV.W.0325.000000T0000Z-050712T0000Z/ MCPHERSON NE-ARTHUR NE-HOOKER NE-GRANT NE- 544 PM MDT MON JUL 11 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 600 PM MDT(700 PM CDT) FOR GRANT...HOOKER...ARTHUR AND MCPHERSON COUNTIES... AT 539 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 16 MILES NORTHEAST OF ARTHUR...MOVING SOUTHEAST AT 15 MPH. IF SEVERE WEATHER WAS OBSERVED...PLEASE CONTACT YOUR LOCAL LAW ENFORCEMENT AGENCY AND HAVE THEM PASS THE REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN NORTH PLATTE. DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT MONDAY EVENING(1100 PM CDT MONDAY EVENING) FOR WESTERN NEBRASKA. LAT...LON 4207 10194 4143 10191 4143 10077 4205 10089 $$ POWER
000 WWUS53 KLBF 112354 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 654 PM CDT MON JUL 11 2005 NEC005-075-091-117-120000- /O.CON.KLBF.SV.W.0325.000000T0000Z-050712T0000Z/ MCPHERSON NE-ARTHUR NE-HOOKER NE-GRANT NE- 554 PM MDT MON JUL 11 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 600 PM MDT(700 PM CDT) FOR GRANT...HOOKER...ARTHUR AND MCPHERSON COUNTIES... AT 549 PM MDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 16 MILES NORTHEAST OF ARTHUR...MOVING SOUTHEAST AT 15 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TRYON. IF SEVERE WEATHER WAS OBSERVED...PLEASE CONTACT YOUR LOCAL LAW ENFORCEMENT AGENCY AND HAVE THEM PASS THE REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN NORTH PLATTE. DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT MONDAY EVENING(1100 PM CDT MONDAY EVENING) FOR WESTERN NEBRASKA. LAT...LON 4207 10194 4143 10191 4143 10077 4205 10089 $$ POWER
000 WWUS53 KLBF 112359 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 659 PM CDT MON JUL 11 2005 NEC005-075-091-117-120009- /O.EXP.KLBF.SV.W.0325.000000T0000Z-050712T0000Z/ MCPHERSON NE-ARTHUR NE-HOOKER NE-GRANT NE- 559 PM MDT MON JUL 11 2005 ...THE SEVERE THUNDERSTORM WARNING FOR GRANT...HOOKER...ARTHUR AND MCPHERSON COUNTIES EXPIRES AT 600 PM MDT(700 PM CDT)... IF SEVERE WEATHER WAS OBSERVED...PLEASE CONTACT YOUR LOCAL LAW ENFORCEMENT AGENCY AND HAVE THEM PASS THE REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN NORTH PLATTE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT MONDAY EVENING(1100 PM CDT MONDAY EVENING) FOR WESTERN NEBRASKA. LAT...LON 4207 10194 4143 10191 4143 10077 4205 10089 $$ POWER
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 11, 2:27 PM MDT, 3 hours 2 minutes earlier.
Area forecast discussion, Jul 11, 2:27 PM MDT, 3 hours 2 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 328 PM MON JUL 11 2005 .DISCUSSION... MOSDELS IN FAIR AGREEMENT TODAY HAVE USED A BLEND FOR FORECAST. CONVECTION FIRING ALL AROUND WITH TROUGH TO THE EAST AND DIFFUSE FRONT TO THE NORTHWEST. VERY UNSTABLE THIS PM WITH BEST THETA E, CAPES OVER SOUTHWEST ZONES. LLJ NOT PROMISING TONIGHT. EXPECT CONVECTION TO MOVE IN FROM WEST AND ALONG DIFUSE FRONT AS IT BEGINS TO MOVE TO THE SOUTH TONIGHT. LOSS OF HEATING WILL BE PRIMARY CONCERN WITH AMOUNT OF CONVECTION. SOME ISOLATED CONVECTION WILL LINGER THROUGH TUESDAY WITH TEMPERATURES IN THE 80S AGAIN. RIDGE BEGINS TO BUILD IN TUESDAY NIGHT WITH WARMER TEMPERATURES WEST ON WEDNESDAY NIGHT AND DRY CONDITIONS. EXTENDED THURSDAY THROUGH SUNDAY...RIDGE BEGINS TO BUILD INTO FORECAST AREA ON THURSDAY WITHY TEMPERATURES IN THE MID TO UPPER 90S BASED ON THICKNESSES AND 850 MB TEMPS. MODELS HAVE VARIED SOMEWHAT ON FRIDAY SYSTEM WITH ADVANCING SURFACE TROUGH. 700MB TEMPS INDICATE A GOOD CAP ACROSS THE AREA FRIDAY AND SATURDAY. HAVE LEFT DRY FOR NOW WITH CAP IN PLACE H5 TROUGH APPROACHES FROM WEST WITH SURFACE TROUGH BUILDING IN ALONG THE FRONT RANGE ON SATURDAY. COOL FRONT DRIVES SOUTH ACROSS THE AREA ON SUNDAY WITH JUST SLIGHT COOL DOWN INTO THE UPPER 80S. HAVE LEFT SUNDAY DRY FOR NOW BUT BEGAN COOL DOWN TREND WITH COOLER AIR MOVING IN. && .LBF WATCHES/WARNINGS/ADVISORIES...NONE. && POWER
Hazardous weather outlook, Jul 11, 2:15 PM MDT, 3 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTH PLATTE NE 315 PM CDT MON JUL 11 2005 NEZ004>010-022>029-035>038-056>059-069>071-094-121030- 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 316 PM CDT MON JUL 11 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND NORTH CENTRAL NEBRASKA. .DAY ONE...TONIGHT THUNDERSTORM DEVELOPMENT IS POSSIBLE THIS EVENING ACROSS THE OUTLOOK AREA AS A WEAK COLD FRONT LINGERS NEAR THE NEBRASKA AND SOUTH DAKOTA BORDER AND A SURFACE TROUGH PROVIDES A FOCUS FOR DEVELOPMENT IN COLORADO. OVERNIGHT...CONVECTION EXPECTED TO DEVELOP IN COLORADO MAY SPREAD EAST INTO THE OUTLOOK AREA...AFFECTING LOCATIONS MAINLY WEST OF HIGHWAY 83. ANY THUNDERSTORMS THAT DEVELOP WILL HAVE THE POTENTIAL TO PRODUCE STRONG WINDS AND HAIL...ALONG WITH LOCALLY HEAVY RAINFALL IN SLOW MOVING STORMS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY WARM DRY AND BREEZY CONDITIONS WILL RETURN DURING THIS TIME FRAME. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... CDC/JMC
In the hours before
Special weather statement, Jul 11, 2:54 PM MDT, 2 hours 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 354 PM CDT MON JUL 11 2005 NEZ004-005-022-023-035-056>058-069-094-120400- ARTHUR NE-CHASE NE-DEUEL NE-EASTERN CHERRY NE-GARDEN NE-GRANT NE- KEITH NE-PERKINS NE-SHERIDAN NE-WESTERN CHERRY NE- INCLUDING THE CITIES OF...ARTHUR...BIG SPRINGS...CHAPPELL...GORDON... GRANT...HAY SPRINGS...IMPERIAL...OGALLALA...OSHKOSH... RUSHVILLE AND VALENTINE 354 PM CDT MON JUL 11 2005 ...SEVERE THUNDERSTORM WATCH NUMBER 635 VALID UNTIL 11 PM CDT (10 PM MDT) FOR THE EASTERN NEBRASKA PANHANDLE AND PORTIONS OF WESTERN NEBRASKA... THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA...HAS ISSUED A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM CDT (10 PM MDT). THE COUNTIES INCLUDED IN THE WATCH ARE...SHERIDAN...GARDEN...DEUEL...CHERRY...GRANT...ARTHUR...KEITH...P ERKINS...AND CHASE. PERSONS IN THE WATCH AREA SHOULD CONTINUE TO MONITOR NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR THE LATEST FORECASTS...WARNINGS...AND STATEMENTS. BUTTLER
The 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, 10:15 PM MDT | Flash Flood Warning | LBF | Sheridan | 30 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 |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.