Alert archive / Nebraska / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 252, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 13, 2009, 9:44 PM CDT for Brown County, Cherry County, Nebraska. It was in force for 29 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 13, 2009, 9:44 PM CDT (02:44 UTC)
- Expired
- Jul 13, 2009, 10:13 PM CDT
- In force
- 29 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
Counties Brown County, NE, Cherry County, NE
The radar
The North Platte radar (KLNX), 65 km from the middle of the area, began a volume at 02:46 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 |
|---|---|---|---|
| Jul 13, 10:00 PM CDT | TSTM WND DMG | 8 Ssw Wood Lake, NE | POWER POLES WERE REPORTED TO HAVE BEEN BROKEN BY THUNDERSTORM WIND GUSTS. LOCATION 8 MILES SOUTH... SOUTHWEST OF WOOD LAKE IS APPROXIMATE. |
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 |
|---|---|---|---|
| Jul 13, 5:52 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.7 hours before the alert went out and 154 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
- 2857 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1339 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 13.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLBF 140244 SVRLBF NEC017-031-140345- /O.NEW.KLBF.SV.W.0252.090714T0244Z-090714T0345Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 944 PM CDT MON JUL 13 2009 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL BROWN COUNTY IN NORTH CENTRAL NEBRASKA... EAST CENTRAL CHERRY COUNTY IN NORTH CENTRAL NEBRASKA... * UNTIL 1045 PM CDT * AT 943 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED 14 MILES NORTHEAST OF HIGHWAY 83 CROSSING GOOSE CREEK...OR 23 MILES SOUTHEAST OF VALENTINE...AND MOVING SOUTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RURAL EASTERN CHERRY COUNTY AT 1000 PM CDT PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 MIDNIGHT CDT TUESDAY MORNING FOR WESTERN NEBRASKA. && LAT...LON 4251 9986 4227 10051 4248 10064 4266 10025 TIME...MOT...LOC 0244Z 333DEG 12KT 4256 10037 $$ SPRINGER
1 follow-up statement
000 WWUS53 KLBF 140313 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 1013 PM CDT MON JUL 13 2009 NEC017-031-140323- /O.CAN.KLBF.SV.W.0252.000000T0000Z-090714T0345Z/ BROWN NE-CHERRY NE- 1013 PM CDT MON JUL 13 2009 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CHERRY AND WEST CENTRAL BROWN COUNTIES IS CANCELLED... THE SEVERE WEATHER THREAT HAS DIMINISHED FOR WEST CENTRAL BROWN COUNTY...BUT A TORNADO WARNING CONTINUES FOR EAST CENTRAL CHERRY COUNTY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT TUESDAY MORNING FOR WESTERN NEBRASKA. LAT...LON 4251 9986 4227 10051 4248 10064 4266 10025 TIME...MOT...LOC 0313Z 333DEG 12KT 4247 10031 $$ SPRINGER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 7:30 PM CDT | Tornado Warning | LBF | Cherry | 60 min |
| Jul 13, 7:34 PM CDT | Severe Thunderstorm Warning | LBF | Garden | 41 min |
| Jul 13, 7:39 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Cherry, Keya Paha | 66 min |
| Jul 13, 8:07 PM CDT | Severe Thunderstorm Warning | LBF | Deuel, Keith | 38 min |
| Jul 13, 8:13 PM CDT | Severe Thunderstorm Warning | LBF | Chase, Perkins | 47 min |
| Jul 13, 8:15 PM CDT | Severe Thunderstorm Warning | LBF | Arthur, Garden, Grant, Keith | 45 min |
| Jul 13, 8:24 PM CDT | Tornado Warning | LBF | Cherry | 51 min |
| Jul 13, 9:01 PM CDT | Severe Thunderstorm Warning | LBF | Arthur, Keith, Lincoln, McPherson | 44 min |
| Jul 13, 9:02 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 26 min |
| Jul 13, 9:14 PM CDT | Tornado Warning | LBF | Cherry | 46 min |
| Jul 13, 9:54 PM CDT | Tornado Warning | LBF | Cherry | 51 min |
| Jul 13, 10:43 PM CDT | Tornado Warning | LBF | Cherry | 32 min |
| Jul 13, 11:35 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha, Rock | 55 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2009Every severe thunderstorm warning in 2009
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.