Alert archive / Nebraska / Tornado Warnings in 2009
Tornado Warning 4, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at May 12, 2009, 5:53 PM MDT for Grant County, Hooker County, Nebraska. It was in force for 37 min. 4 reports 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
- May 12, 2009, 5:53 PM MDT (23:53 UTC)
- Expired
- May 12, 2009, 6:30 PM MDT
- In force
- 37 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
Counties Grant County, NE, Hooker County, NE
The radar
The North Platte radar (KLNX), 55 km from the middle of the area, began a volume at 23:56 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 |
|---|---|---|---|
| May 12, 6:17 PM MDT | FUNNEL CLOUD | 15 S Mullen, NE | FUNNEL REACHED THREE QUARTERS OF THE WAY TO THE GROUND. |
| May 12, 6:21 PM MDT | TORNADO | 15 S Mullen, NE | A TORNADOO WAS SPOTTED ON THE GROUND WITH DEBRI VISIBLE. |
| May 12, 6:34 PM MDT | HAIL 1.75 | 15 S Mullen, NE | A FEW QUARTER AND GOLF BALL SIZE HAIL STONES WERE REPORTED IN THE VICINITY OF A DISSIPATED TORNADO NEAR HIGHWAY 97 AND THE DISMAL RIVER. |
| May 12, 6:34 PM MDT | TORNADO | 15 S Mullen, NE | A TORNADO HAS DISSIPATED 1 MILE WEST OF HIGHWAY 97 AT THE DISMAL RIVER CROSSING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.9 hours before the alert went out and 104 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 584 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KLBF 122353 TORLBF NEC075-091-130030- /O.NEW.KLBF.TO.W.0004.090512T2353Z-090513T0030Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 553 PM MDT TUE MAY 12 2009 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... EASTERN GRANT COUNTY IN WEST CENTRAL NEBRASKA... HOOKER COUNTY IN WEST CENTRAL NEBRASKA... THIS INCLUDES THE CITY OF MULLEN... * UNTIL 630 PM MDT * AT 552 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES EAST OF PRATT LAKE...OR 25 MILES NORTHEAST OF ARTHUR...MOVING EAST AT 45 MPH. * THE TORNADO WILL BE NEAR... CARR LAKE BY 600 PM MDT... HIGHWAY 97 CROSSING THE DISMAL RIVER AND 8 MILES SOUTH OF MULLEN BY 625 PM MDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4207 10098 4174 10098 4176 10164 4201 10164 TIME...MOT...LOC 2353Z 266DEG 37KT 4190 10150 $$ BUTTLER
1 follow-up statement
000 WWUS53 KLBF 130009 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 709 PM CDT TUE MAY 12 2009 NEC075-130019- /O.CAN.KLBF.TO.W.0004.000000T0000Z-090513T0030Z/ GRANT NE- 609 PM MDT TUE MAY 12 2009 ...THE TORNADO WARNING FOR EASTERN GRANT COUNTY IS CANCELLED... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT WEDNESDAY MORNING FOR WESTERN NEBRASKA. LAT...LON 4176 10141 4202 10141 4207 10098 4174 10098 TIME...MOT...LOC 0009Z 266DEG 37KT 4187 10130 $$ NEC091-130030- /O.CON.KLBF.TO.W.0004.000000T0000Z-090513T0030Z/ HOOKER NE- 609 PM MDT TUE MAY 12 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR HOOKER COUNTY... AT 607 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 8 MILES NORTH OF EAST CODY LAKE...OR 19 MILES SOUTHWEST OF MULLEN...MOVING EAST AT 45 MPH. THE TORNADO WILL BE NEAR... HIGHWAY 97 CROSSING THE DISMAL RIVER BY 625 PM MDT... HIGHWAY 97 MILE MARKER 60 AND HIGHWAY 97 MILE MARKER 50 BY 630 PM MDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT WEDNESDAY MORNING FOR WESTERN NEBRASKA. && LAT...LON 4176 10141 4202 10141 4207 10098 4174 10098 TIME...MOT...LOC 0009Z 266DEG 37KT 4187 10130 $$ BUTTLER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 2:09 PM MDT | Wind Advisory | LBF | Arthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more | 29 hr |
Nearby
Tornado Warnings in Nebraska, 2009Every tornado warning in 2009Tornadoes 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.