Alert archive / Nebraska / Tornado Warnings in 2011
Tornado Warning 48, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Aug 11, 2011, 7:59 PM MDT for Cherry County, 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
- Aug 11, 2011, 7:59 PM MDT (01:59 UTC)
- Expired
- Aug 11, 2011, 8:30 PM MDT
- In force
- 31 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
County Cherry County, NE
The radar
The North Platte radar (KLNX), 36 km from the middle of the area, began a volume at 02:03 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 |
|---|---|---|---|
| Aug 11, 8:10 PM MDT | HAIL 1 | 12 E Brownlee, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 11, 3:38 PM MDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.0 hours before the alert went out and 125 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
- 2513 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1288 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 281 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 19.6
The text
As transmitted, in the capitals the NWS used until 2016.
271 WFUS53 KLBF 120159 TORLBF NEC031-120230- /O.NEW.KLBF.TO.W.0048.110812T0159Z-110812T0230Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 859 PM CDT THU AUG 11 2011 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN CHERRY COUNTY IN NORTH CENTRAL NEBRASKA... * UNTIL 930 PM CDT * AT 900 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES NORTHEAST OF HIGHWAY 83 CROSSING THE NORTH LOUP RIVER...OR 25 MILES NORTH OF THEDFORD...AND MOVING SOUTH AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... HIGHWAY 83 CROSSING THE NORTH LOUP RIVER...ELSMERE AND HIGHWAY 83 MILE MARKER 160. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4209 10017 4209 10060 4241 10070 4251 10018 TIME...MOT...LOC 0200Z 339DEG 10KT 4233 10045 $$ SCHULTZ
3 follow-up statements
572 WWUS53 KLBF 120208 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 908 PM CDT THU AUG 11 2011 NEC031-120230- /O.CON.KLBF.TO.W.0048.000000T0000Z-110812T0230Z/ CHERRY NE- 908 PM CDT THU AUG 11 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CHERRY COUNTY UNTIL 930 PM CDT... AT 908 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 5 MILES NORTHEAST OF HIGHWAY 83 CROSSING THE NORTH LOUP RIVER...OR 25 MILES NORTH OF THEDFORD...MOVING SOUTH AT 10 MPH. THIS STORM WILL ALSO PRODUCE BASEBALL SIZE HAIL. LOCATIONS IMPACTED INCLUDE... ELSMERE AND HIGHWAY 83 MILE MARKER 160. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4209 10017 4209 10060 4241 10070 4251 10018 TIME...MOT...LOC 0208Z 339DEG 10KT 4231 10044 $$ SCHULTZ
805 WWUS53 KLBF 120222 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 922 PM CDT THU AUG 11 2011 NEC031-120230- /O.CON.KLBF.TO.W.0048.000000T0000Z-110812T0230Z/ CHERRY NE- 922 PM CDT THU AUG 11 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CHERRY COUNTY UNTIL 930 PM CDT... AT 922 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 10 MILES EAST OF HIGHWAY 83 CROSSING THE NORTH LOUP RIVER...OR 22 MILES NORTHEAST OF THEDFORD...MOVING SOUTH AT 10 MPH. LOCATIONS IMPACTED INCLUDE... ELSMERE AND HIGHWAY 83 MILE MARKER 160. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4240 10060 4251 10018 4209 10017 4209 10060 TIME...MOT...LOC 0222Z 339DEG 10KT 4225 10035 $$ SCHULTZ
287 WWUS53 KLBF 120233 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 933 PM CDT THU AUG 11 2011 NEC031-120243- /O.EXP.KLBF.TO.W.0048.000000T0000Z-110812T0230Z/ CHERRY NE- 933 PM CDT THU AUG 11 2011 ...THE TORNADO WARNING FOR SOUTHEASTERN CHERRY COUNTY HAS EXPIRED... THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CHERRY COUNTY UNTIL 1015 PM CDT. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT. LAT...LON 4240 10060 4251 10018 4209 10017 4209 10060 TIME...MOT...LOC 0222Z 339DEG 10KT 4225 10035 $$ SCHULTZ
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 6:03 PM MDT | Severe Thunderstorm Warning | LBF | Boyd, Holt, Keya Paha, Rock | 42 min |
| Aug 11, 6:46 PM MDT | Severe Thunderstorm Warning | LBF | Boyd, Holt, Keya Paha, Rock | 44 min |
| Aug 11, 6:48 PM MDT | Tornado Warning | LBF | Brown, Cherry | 27 min |
| Aug 11, 6:55 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha, Rock | 50 min |
| Aug 11, 7:02 PM MDT | Severe Thunderstorm Warning | LBF | Chase, Perkins | 28 min |
| Aug 11, 7:07 PM MDT | Tornado Warning | LBF | Brown, Cherry | 23 min |
| Aug 11, 7:21 PM MDT | Tornado Warning | LBF | Cherry | 39 min |
| Aug 11, 7:30 PM MDT | Severe Thunderstorm Warning | LBF | Chase | 45 min |
| Aug 11, 7:30 PM MDT | Tornado Warning | LBF | Brown, Cherry | 30 min |
| Aug 11, 7:40 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Holt, Keya Paha, Rock | 51 min |
| Aug 11, 7:58 PM MDT | Tornado Warning | LBF | Brown | 32 min |
| Aug 11, 8:30 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Brown, Cherry, Thomas | 45 min |
| Aug 11, 8:50 PM MDT | Tornado Warning | LBF | Blaine, Cherry, Thomas | 25 min |
| Aug 11, 9:14 PM MDT | Tornado Warning | LBF | Blaine, Thomas | 31 min |
| Aug 11, 9:29 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Custer, Loup | 46 min |
| Aug 11, 9:38 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Cherry | 52 min |
| Aug 11, 9:45 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Custer | 45 min |
| Aug 11, 10:17 PM MDT | Severe Thunderstorm Warning | LBF | Custer, Garfield, Loup | 43 min |
| Aug 11, 10:25 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Brown, Cherry, Thomas | 65 min |
| Aug 11, 11:09 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Custer, Loup | 51 min |
| Aug 12, 12:00 AM MDT | Severe Thunderstorm Warning | LBF | Custer, Loup | 45 min |
| Aug 12, 12:24 AM MDT | Severe Thunderstorm Warning | LBF | Cherry, Sheridan | 66 min |
| Aug 12, 12:57 AM MDT | Severe Thunderstorm Warning | LBF | Cherry | 27 min |
| Aug 12, 1:41 AM MDT | Severe Thunderstorm Warning | LBF | Cherry | 49 min |
| Aug 12, 2:02 AM MDT | Severe Thunderstorm Warning | LBF | Cherry | 32 min |
| Aug 12, 2:57 AM MDT | Areal Flood Advisory | LBF | Brown, Cherry, Rock | 6 hr |
Nearby
Tornado Warnings in Nebraska, 2011Every tornado warning in 2011Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.