Alert archive / Nebraska / Tornado Warnings in 2011
Tornado Warning 41, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Aug 9, 2011, 3:44 PM CDT for Frontier County, Hayes 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 9, 2011, 3:44 PM CDT (20:44 UTC)
- Expired
- Aug 9, 2011, 4:15 PM CDT
- In force
- 31 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
Counties Frontier County, NE, Hayes County, NE
The radar
The Goodland radar (KGLD), 146 km from the middle of the area, began a volume at 20:46 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 9, 3:56 PM CDT | HAIL 1.5 | 6 Ne Hayes Center, NE | LAW ENFORCEMENT REPORTED PING PONG BALL SIZED HAIL 6 MILES NORTHEAST OF HAYES CENTER. |
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 9, 2:51 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.7 hours before the alert went out and 72 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
- 98 J/kg
- Mixed-layer CIN
- -357 J/kg
- Mixed-layer LCL
- 1507 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
018
WFUS53 KLBF 092044
TORLBF
NEC063-085-092115-
/O.NEW.KLBF.TO.W.0041.110809T2044Z-110809T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
344 PM CDT TUE AUG 9 2011
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN FRONTIER COUNTY IN SOUTHWEST NEBRASKA...
EASTERN HAYES COUNTY IN SOUTHWEST NEBRASKA...
* UNTIL 415 PM CDT
* AT 340 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR HAYES CENTER STATE WILDLIFE MANAGEMENT
AREA...OR 8 MILES NORTHEAST OF HAYES CENTER...AND MOVING SOUTHEAST
AT 35 MPH.
* THIS DANGEROUS STORM WILL BE NEAR...
RED WILLOW RESERVOIR STATE RECREATION AREA AROUND 415 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE HIGHWAY 83
MILE MARKER 30.
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 4066 10120 4070 10079 4037 10049 4034 10058
4034 10088
TIME...MOT...LOC 2044Z 321DEG 31KT 4058 10090
$$
STOPPKOTTE1 follow-up statement
737
WWUS53 KLBF 092106
SVSLBF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
406 PM CDT TUE AUG 9 2011
NEC063-085-092115-
/O.CON.KLBF.TO.W.0041.000000T0000Z-110809T2115Z/
FRONTIER NE-HAYES NE-
406 PM CDT TUE AUG 9 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN HAYES AND
SOUTHWESTERN FRONTIER COUNTIES UNTIL 415 PM CDT...
AT 403 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 7 MILES NORTHWEST OF RED WILLOW RESERVOIR STATE
RECREATION AREA...OR 14 MILES EAST OF HAYES CENTER...MOVING SOUTHEAST
AT 35 MPH.
THIS DANGEROUS STORM WILL BE NEAR...
RED WILLOW RESERVOIR STATE RECREATION AREA AROUND 415 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE HIGHWAY 83
MILE MARKER 30.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4066 10120 4070 10079 4037 10049 4034 10058
4034 10088
TIME...MOT...LOC 2106Z 321DEG 31KT 4043 10074
$$
STOPPKOTTEThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 1:44 PM CDT | Severe Thunderstorm Warning | LBF | Arthur, Keith | 46 min |
| Aug 9, 2:14 PM CDT | Severe Thunderstorm Warning | LBF | Arthur, Keith, Lincoln | 46 min |
| Aug 9, 2:32 PM CDT | Tornado Warning | LBF | Keith, Lincoln | 28 min |
| Aug 9, 3:01 PM CDT | Severe Thunderstorm Warning | LBF | Hayes, Lincoln, Perkins | 44 min |
| Aug 9, 3:14 PM CDT | Tornado Warning | LBF | Hayes, Lincoln | 31 min |
| Aug 9, 3:43 PM CDT | Severe Thunderstorm Warning | LBF | Deuel | 47 min |
| Aug 9, 4:16 PM CDT | Severe Thunderstorm Warning | LBF | Frontier, Hayes | 29 min |
| Aug 9, 4:30 PM CDT | Severe Thunderstorm Warning | LBF | Chase, Perkins | 45 min |
| Aug 9, 4:56 PM CDT | Severe Thunderstorm Warning | LBF | Chase, Perkins | 49 min |
| Aug 9, 5:36 PM CDT | Severe Thunderstorm Warning | LBF | Chase, Hayes | 28 min |
| Aug 9, 5:50 PM CDT | Severe Thunderstorm Warning | LBF | Perkins | 55 min |
| Aug 9, 6:24 PM CDT | Severe Thunderstorm Warning | LBF | Chase, Hayes, Perkins | 51 min |
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.